﻿{"id":10830,"date":"2023-06-19T09:05:00","date_gmt":"2023-06-19T07:05:00","guid":{"rendered":"https:\/\/www.sigterritoires.fr\/?p=10830"},"modified":"2023-06-18T08:04:38","modified_gmt":"2023-06-18T06:04:38","slug":"eliminacao-de-sobreposicoes-e-lacunas-entre-poligonos-numa-camada-com-qgis-e-postgis","status":"publish","type":"post","link":"https:\/\/www.sigterritoires.fr\/index.php\/pt\/eliminacao-de-sobreposicoes-e-lacunas-entre-poligonos-numa-camada-com-qgis-e-postgis\/","title":{"rendered":"Elimina\u00e7\u00e3o de sobreposi\u00e7\u00f5es e lacunas entre pol\u00edgonos numa camada (com QGis e Postgis)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Para aqueles que n\u00e3o est\u00e3o familiarizados com as alegrias de trabalhar com o cadastro franc\u00eas, devem saber que, se tiverem a oportunidade de trabalhar com dados cadastrais correspondentes a \u00ab\u00a0Lieux-dits\u00a0\u00bb (uma subdivis\u00e3o de comunas), verificar\u00e3o que a coer\u00eancia espacial (topologia) n\u00e3o \u00e9 realmente respeitada:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"384\" data-attachment-id=\"10695\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a1-10\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?fit=3025%2C1813&amp;ssl=1\" data-orig-size=\"3025,1813\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?fit=640%2C384&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=640%2C384&#038;ssl=1\" alt=\"\" class=\"wp-image-10695\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=1024%2C614&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=300%2C180&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=768%2C460&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=1536%2C921&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=2048%2C1227&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=150%2C90&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a1.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De facto, o limite de cada localidade \u00e9 o limite da estrada adjacente, o que deixa espa\u00e7os vazios onde se encontram as estradas. Embora em alguns casos isto n\u00e3o seja um problema, torna-se um problema quando se adiciona a camada \u00ab\u00a0Comunas\u00a0\u00bb (do mesmo cadastro) ao mapa:<\/p>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"381\" data-attachment-id=\"10696\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a2-9\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?fit=3013%2C1793&amp;ssl=1\" data-orig-size=\"3013,1793\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?fit=640%2C381&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=640%2C381&#038;ssl=1\" alt=\"\" class=\"wp-image-10696\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=1024%2C609&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=300%2C179&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=768%2C457&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=1536%2C914&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=2048%2C1219&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=150%2C89&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a2.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A esta escala n\u00e3o parece muito limpo, mas se fizermos um zoom \u00e9 ainda pior.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"374\" data-attachment-id=\"10697\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a3-13\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?fit=3031%2C1769&amp;ssl=1\" data-orig-size=\"3031,1769\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a3\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?fit=640%2C374&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=640%2C374&#038;ssl=1\" alt=\"\" class=\"wp-image-10697\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=1024%2C598&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=300%2C175&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=768%2C448&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=1536%2C896&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=2048%2C1195&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=150%2C88&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?resize=250%2C146&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a3.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">E se olharmos para a camada de localidade propriamente dita, encontramos numerosas anomalias topol\u00f3gicas:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"383\" data-attachment-id=\"10698\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a4-9\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?fit=3035%2C1813&amp;ssl=1\" data-orig-size=\"3035,1813\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a4\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?fit=640%2C383&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=640%2C383&#038;ssl=1\" alt=\"\" class=\"wp-image-10698\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=1024%2C612&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=300%2C179&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=768%2C459&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=1536%2C918&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=2048%2C1223&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=150%2C90&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a4.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Aqui, veremos como resolver ambos os problemas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Como corrigir a topologia da camada de localidade removendo os pol\u00edgonos sobrepostos e os espa\u00e7os vazios entre eles;<\/li>\n\n\n\n<li>Como recriar uma camada comum que seja consistente com a nova camada de localidade e que se sobreponha exatamente aos limites da localidade.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">O exemplo abaixo foi criado com base nos dados do registo cadastral oficial do departamento 71, descarregado a partir da seguinte liga\u00e7\u00e3o <a href=\"https:\/\/cadastre.data.gouv.fr\/data\/etalab-cadastre\/2023-01-01\/shp\/departements\/71\/\">https:\/\/cadastre.data.gouv.fr\/data\/etalab-cadastre\/2023-01-01\/shp\/departements\/71\/<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como corrigir a topologia da camada de localidade<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A solu\u00e7\u00e3o aqui proposta necessita de uma base de dados PostgreSQL\/Postgis. \u00c9 poss\u00edvel adapt\u00e1-la ao SQLite para utilizar um ficheiro <a href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/ptshapefile-vs-geopackage-qual-formato-escolher\/\">geopackage<\/a> e o QGis DB Manager. Mas \u00e9 preciso contar com tempos de processamento muito longos e contornar algumas defici\u00eancias e bugs. Vamos ver a melhor solu\u00e7\u00e3o aqui, mas apresentaremos a solu\u00e7\u00e3o com o Geopackage noutro artigo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1-Criar uma camada com um buffer \u00e0 volta das localidades<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para gerir os espa\u00e7os entre pol\u00edgonos, ainda que algumas ferramentas de snapping possam resolver certos problemas, a solu\u00e7\u00e3o mais simples e mais radical \u00e9 construir um buffer \u00e0 volta dos pol\u00edgonos, de modo a transformar os espa\u00e7os vazios em sobreposi\u00e7\u00f5es. No caso das localidades, os espa\u00e7os vazios s\u00e3o da ordem dos 10m. Constru\u00edmos um buffer de 6m \u00e0 volta das localidades, o que dar\u00e1 uma sobreposi\u00e7\u00e3o de pelo menos 2-3 metros.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"316\" data-attachment-id=\"10699\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a5-8\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?fit=1663%2C821&amp;ssl=1\" data-orig-size=\"1663,821\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a5\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?fit=640%2C316&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?resize=640%2C316&#038;ssl=1\" alt=\"\" class=\"wp-image-10699\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?resize=1024%2C506&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?resize=300%2C148&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?resize=768%2C379&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?resize=1536%2C758&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?resize=150%2C74&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?resize=250%2C123&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?w=1663&amp;ssl=1 1663w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a5.png?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"333\" data-attachment-id=\"10700\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a6-8\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?fit=2225%2C1155&amp;ssl=1\" data-orig-size=\"2225,1155\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a6\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?fit=640%2C333&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=640%2C333&#038;ssl=1\" alt=\"\" class=\"wp-image-10700\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=1024%2C532&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=300%2C156&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=768%2C399&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=1536%2C797&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=2048%2C1063&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=150%2C78&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?resize=250%2C130&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a6.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Escolha um ficheiro de sa\u00edda permanente no formato Geopackage, que lhe permitir\u00e1 seguir o procedimento no passo seguinte sem modifica\u00e7\u00f5es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O resultado da camada tamp\u00e3o \u00e9 o seguinte:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"382\" data-attachment-id=\"10701\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a7-8\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?fit=2560%2C1529&amp;ssl=1\" data-orig-size=\"2560,1529\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a7\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?fit=640%2C382&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7.jpg?resize=640%2C382&#038;ssl=1\" alt=\"\" class=\"wp-image-10701\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?resize=1024%2C611&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?resize=300%2C179&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?resize=768%2C459&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?resize=1536%2C917&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?resize=2048%2C1223&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?resize=150%2C90&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a7-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"388\" data-attachment-id=\"10702\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a8-8\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?fit=2985%2C1809&amp;ssl=1\" data-orig-size=\"2985,1809\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a8\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?fit=640%2C388&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=640%2C388&#038;ssl=1\" alt=\"\" class=\"wp-image-10702\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=1024%2C621&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=300%2C182&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=768%2C465&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=1536%2C931&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=2048%2C1241&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=150%2C91&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?resize=248%2C150&amp;ssl=1 248w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a8.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">J\u00e1 n\u00e3o temos de gerir os espa\u00e7os entre os pol\u00edgonos, apenas as sobreposi\u00e7\u00f5es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2- Carregar o layer lieux-dits no PostgreSQL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pode seguir os pormenores de como carregar a camada no artigo <a href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/carregar-dados-do-geopackage-para-o-postgresql-postgis-com-o-qgis\/\" title=\"\">Como carregar um geopackage no Postgis com o QGis<\/a> . Utiliza-se o mesmo procedimento para carregar shapefiles.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"379\" data-attachment-id=\"10703\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a9-8\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?fit=3157%2C1871&amp;ssl=1\" data-orig-size=\"3157,1871\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a9\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?fit=640%2C379&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=640%2C379&#038;ssl=1\" alt=\"\" class=\"wp-image-10703\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=1024%2C607&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=300%2C178&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=768%2C455&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=1536%2C910&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=2048%2C1214&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=150%2C89&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?resize=250%2C148&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a9.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">E encontra a sua tabela no PostreSQL com o pgAdmin<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"415\" data-attachment-id=\"10704\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a10-6\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?fit=3135%2C2033&amp;ssl=1\" data-orig-size=\"3135,2033\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a10\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?fit=640%2C415&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=640%2C415&#038;ssl=1\" alt=\"\" class=\"wp-image-10704\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=1024%2C664&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=300%2C195&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=768%2C498&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=1536%2C996&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=2048%2C1328&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=150%2C97&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?resize=231%2C150&amp;ssl=1 231w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a10.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3- Executar o script SQL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vamos utilizar um \u00fanico script para fazer todo o trabalho:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Criamos uma vista com duas colec\u00e7\u00f5es de geometrias. Inicialmente, estas s\u00e3o os pol\u00edgonos das localidades em duplicado<\/li>\n\n\n\n<li>A primeira cole\u00e7\u00e3o cont\u00e9m as partes dos pol\u00edgonos que n\u00e3o se sobrep\u00f5em a outros pol\u00edgonos.<\/li>\n\n\n\n<li>As partes que se sobrep\u00f5em s\u00e3o mantidas na segunda cole\u00e7\u00e3o<\/li>\n\n\n\n<li>Acrescentamos a parte sobreposta ao mais pequeno dos dois pol\u00edgonos afectados pela sobreposi\u00e7\u00e3o<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">O gui\u00e3o \u00e9 o seguinte:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>DROP TABLE IF EXISTS table_corrigee ; \n\nCREATE OR REPLACE VIEW auto_jointure AS SELECT\n\n    tampon.id as id,\n    tampon.nom as \"nom\",\n    tampon.commune as \"commune\",\n-- recuperamos todos os pol\u00edgonos da tabela de buffer em duas colec\u00e7\u00f5es: uma onde temos as geometrias completas e outra onde temos as partes sobrepostas. De momento, ambas as colec\u00e7\u00f5es cont\u00eam as geometrias completas.\n    ST_Union(tampon.geom) AS full_geom,\n    ST_Union(tampon_bis.geom) AS shared_geom\n    FROM  tampon ,tampon AS tampon_bis\n    WHERE\n      --verificar a validade dos pol\u00edgonos como precau\u00e7\u00e3o\n      ST_IsValid(tampon.geom) AND ST_IsValid(tampon_bis.geom)\n      --filtro para reter os pol\u00edgonos que se intersectam\n      AND ST_intersects(tampon.geom,tampon_bis.geom)   \n      --eliminar os pol\u00edgonos que se intersectam\n      AND tampon.id &lt;&gt; tampon_bis.id          \n      --para uma intersec\u00e7\u00e3o de 2 pol\u00edgonos, manter apenas o mais pequeno\n      AND ST_Area(tampon_bis.geom) &lt; ST_Area(tampon.geom)\n      --Como estamos a fazer \"uni\u00f5es\", temos de efetuar um agrupamento nos outros atributos\n    GROUP BY tampon.id,tampon.\"nom\" , tampon.commune ;\n\/*\nVamos criar uma tabela com o resultado final: o primeiro passo \u00e9 remover todas as \u00e1reas sobrepostas. O segundo passo consiste em adicionar as \u00e1reas sobrepostas ao menor dos dois pol\u00edgonos. Os buracos criados pelo primeiro passo s\u00e3o preenchidos por este segundo passo. Os pol\u00edgonos finais s\u00e3o cont\u00edguos, sem sobreposi\u00e7\u00f5es ou espa\u00e7os vazios.\n*\/\n\n    CREATE TABLE table_corrigee AS SELECT\n    id,\n    \"nom\",\n    commune,\n\/* As intersec\u00e7\u00f5es s\u00e3o subtra\u00eddas da camada que cont\u00e9m todos os pol\u00edgonos, removendo assim as partes em conflito*\/\n    ST_Multi(ST_Difference(full_geom,shared_geom)) as geom,\n    ST_Area(full_geom) as area\n    FROM auto_jointure\n    WHERE ST_IsValid(full_geom) AND ST_IsValid(shared_geom)\n\/*As intersec\u00e7\u00f5es acabadas de subtrair devem ser adicionadas para preencher os espa\u00e7os criados*\/\n    UNION \n      SELECT\n      id,\n      \"nom\",\n      commune,\n      geom,\n      ST_Area(geom)\n      FROM tampon\n      WHERE id NOT IN (SELECT id FROM auto_jointure);\n\/*Uma chave prim\u00e1ria \u00e9 ent\u00e3o redefinida para que o QGIS possa carregar a camada*\/\n\nALTER TABLE table_corrigee ADD CONSTRAINT pk_table_corrigee PRIMARY KEY (id);<\/em>\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Para adaptar o gui\u00e3o ao seu caso, \u00e9 necess\u00e1rio utilizar um processador de texto para substituir os seguintes elementos<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>todas as ocorr\u00eancias de <strong><em>tampon <\/em><\/strong>pelo nome da sua tabela que cont\u00e9m os buffers de geometria,<\/li>\n\n\n\n<li>todas as ocorr\u00eancias de <strong><em>table_corrigee<\/em><\/strong> pelo nome da tabela de resultados que pretende,<\/li>\n\n\n\n<li>e verifique se o identificador da sua tabela com buffer \u00e9 <strong><em>id<\/em><\/strong>. Por defeito, pode ter o nome <strong><em>fid<\/em><\/strong>. Neste caso, substitua todas as ocorr\u00eancias de <strong>id<\/strong> por <strong><em>fid<\/em><\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Carregue esta nova camada no QGis:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"361\" data-attachment-id=\"10710\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a11-6\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?fit=3807%2C2149&amp;ssl=1\" data-orig-size=\"3807,2149\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a11\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?fit=640%2C361&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=640%2C361&#038;ssl=1\" alt=\"\" class=\"wp-image-10710\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=1024%2C578&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=768%2C434&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=1536%2C867&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=2048%2C1156&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=150%2C85&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?resize=250%2C141&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a11.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"191\" data-attachment-id=\"10712\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a12-6\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?fit=2560%2C764&amp;ssl=1\" data-orig-size=\"2560,764\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a12\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?fit=640%2C191&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12.jpg?resize=640%2C191&#038;ssl=1\" alt=\"\" class=\"wp-image-10712\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?resize=1024%2C305&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?resize=300%2C89&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?resize=768%2C229&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?resize=1536%2C458&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?resize=2048%2C611&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?resize=150%2C45&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?resize=250%2C75&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a12-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>\u00c0 esquerda a camada corrigida, \u00e0 direita a camada de localidade original<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Resolvemos o problema da coer\u00eancia topol\u00f3gica das localidades.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como recriar uma camada de comunas que seja coerente com a nova camada de lieux-dits<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Se sobrepusermos a nossa nova camada com os limites das comunas do cadastro, podemos ver que n\u00e3o s\u00e3o coerentes com as nossas novas localidades, tal como n\u00e3o s\u00e3o coerentes com as localidades originais.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"393\" data-attachment-id=\"10713\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a13-1\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?fit=3023%2C1857&amp;ssl=1\" data-orig-size=\"3023,1857\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a13-1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?fit=640%2C393&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=640%2C393&#038;ssl=1\" alt=\"\" class=\"wp-image-10713\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=1024%2C629&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=300%2C184&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=768%2C472&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=1536%2C944&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=2048%2C1258&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=150%2C92&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?resize=244%2C150&amp;ssl=1 244w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a13-1.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Para obter fronteiras comunais coerentes, bastaria agrupar as localidades por comuna. O problema \u00e9 que nem todas as \u00e1reas comunais est\u00e3o divididas em localidades. Por conseguinte, existem \u00ab\u00a0lacunas\u00a0\u00bb na camada de localidade, o que \u00e9 perfeitamente normal.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"388\" data-attachment-id=\"10714\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a14-7\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?fit=2560%2C1553&amp;ssl=1\" data-orig-size=\"2560,1553\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a14\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?fit=640%2C388&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14.jpg?resize=640%2C388&#038;ssl=1\" alt=\"\" class=\"wp-image-10714\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?resize=1024%2C621&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?resize=300%2C182&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?resize=768%2C466&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?resize=1536%2C932&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?resize=2048%2C1242&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?resize=150%2C91&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?resize=247%2C150&amp;ssl=1 247w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a14-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Para construir comunas completas, \u00e9 necess\u00e1rio primeiro criar os pol\u00edgonos em falta para as localidades, atribuir o c\u00f3digo de comuna correspondente e, em seguida, agrupar as localidades utilizando o atributo de comuna.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1-Cria\u00e7\u00e3o dos pol\u00edgonos em falta<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Em primeiro lugar, vamos criar uma nova camada de pol\u00edgonos, direito de passagem, com um \u00fanico pol\u00edgono que envolve completamente a nossa camada de localidade.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"585\" data-attachment-id=\"10715\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a15-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?fit=1237%2C1131&amp;ssl=1\" data-orig-size=\"1237,1131\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a15\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?fit=640%2C585&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?resize=640%2C585&#038;ssl=1\" alt=\"\" class=\"wp-image-10715\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?resize=1024%2C936&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?resize=300%2C274&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?resize=768%2C702&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?resize=150%2C137&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?resize=164%2C150&amp;ssl=1 164w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a15.png?w=1237&amp;ssl=1 1237w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"384\" data-attachment-id=\"10716\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a16-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?fit=2560%2C1535&amp;ssl=1\" data-orig-size=\"2560,1535\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a16\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?fit=640%2C384&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16.jpg?resize=640%2C384&#038;ssl=1\" alt=\"\" class=\"wp-image-10716\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?resize=1024%2C614&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?resize=300%2C180&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?resize=768%2C460&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?resize=1536%2C921&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?resize=2048%2C1228&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?resize=150%2C90&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a16-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De seguida, utilizamos o tratamento \u00ab\u00a0Diferen\u00e7a\u00a0\u00bb para manter na nossa tabela corrigida apenas as zonas de direito de passagem que n\u00e3o correspondem \u00e0s localidades existentes:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"370\" data-attachment-id=\"10717\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a17-1\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?fit=2989%2C1729&amp;ssl=1\" data-orig-size=\"2989,1729\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a17-1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?fit=640%2C370&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=640%2C370&#038;ssl=1\" alt=\"\" class=\"wp-image-10717\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=1024%2C592&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=300%2C174&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=768%2C444&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=1536%2C889&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=2048%2C1185&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=150%2C87&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?resize=250%2C145&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a17-1.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pode deixar o resultado dos tratamentos como camadas tempor\u00e1rias porque n\u00e3o ter\u00e1 mais nenhuma utiliza\u00e7\u00e3o para elas depois do resultado final.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O resultado da diferen\u00e7a \u00e9:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"386\" data-attachment-id=\"10718\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a18-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?fit=2999%2C1809&amp;ssl=1\" data-orig-size=\"2999,1809\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a18\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?fit=640%2C386&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=640%2C386&#038;ssl=1\" alt=\"\" class=\"wp-image-10718\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=1024%2C618&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=300%2C181&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=768%2C463&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=1536%2C927&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=2048%2C1235&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=150%2C90&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a18.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O resultado \u00e9 um \u00fanico multipol\u00edgono. Antes de continuar, temos de converter esta camada multipol\u00edgono em pol\u00edgonos simples, para podermos remover o contorno da \u00e1rea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Utilizamos o processamento de pe\u00e7a \u00fanica e pe\u00e7a m\u00faltipla<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"381\" data-attachment-id=\"10719\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a19-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?fit=1711%2C1017&amp;ssl=1\" data-orig-size=\"1711,1017\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a19\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?fit=640%2C381&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?resize=640%2C381&#038;ssl=1\" alt=\"\" class=\"wp-image-10719\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?resize=1024%2C609&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?resize=300%2C178&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?resize=768%2C456&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?resize=1536%2C913&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?resize=150%2C89&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?w=1711&amp;ssl=1 1711w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a19.png?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Quando o processamento estiver conclu\u00eddo, passe o resultado para o modo de edi\u00e7\u00e3o e seleccione o pol\u00edgono exterior.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"392\" data-attachment-id=\"10720\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a20-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?fit=2989%2C1829&amp;ssl=1\" data-orig-size=\"2989,1829\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a20\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?fit=640%2C392&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=640%2C392&#038;ssl=1\" alt=\"\" class=\"wp-image-10720\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=1024%2C627&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=300%2C184&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=768%2C470&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=1536%2C940&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=2048%2C1253&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=150%2C92&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?resize=245%2C150&amp;ssl=1 245w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a20.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">E estamos a acabar com ele:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"400\" data-attachment-id=\"10721\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a21-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?fit=2829%2C1769&amp;ssl=1\" data-orig-size=\"2829,1769\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a21\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?fit=640%2C400&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=640%2C400&#038;ssl=1\" alt=\"\" class=\"wp-image-10721\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=1024%2C640&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=300%2C188&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=768%2C480&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=1536%2C960&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=2048%2C1281&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=150%2C94&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?resize=240%2C150&amp;ssl=1 240w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a21.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Assim, temos agora uma camada de <strong><em>Geometrias Simples<\/em><\/strong> que cont\u00e9m todos os locais onde n\u00e3o existem localidades e uma camada de <strong><em>localidades corrigidas<\/em><\/strong>. Fundimos as duas camadas numa \u00fanica camada sem lacunas:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"309\" data-attachment-id=\"10722\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a22-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?fit=1723%2C833&amp;ssl=1\" data-orig-size=\"1723,833\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a22\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?fit=640%2C309&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?resize=640%2C309&#038;ssl=1\" alt=\"\" class=\"wp-image-10722\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?resize=1024%2C495&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?resize=300%2C145&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?resize=768%2C371&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?resize=1536%2C743&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?resize=150%2C73&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?resize=250%2C121&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?w=1723&amp;ssl=1 1723w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a22.png?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"420\" data-attachment-id=\"10723\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a23-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?fit=2560%2C1679&amp;ssl=1\" data-orig-size=\"2560,1679\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a23\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?fit=640%2C420&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23.jpg?resize=640%2C420&#038;ssl=1\" alt=\"\" class=\"wp-image-10723\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?resize=1024%2C672&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?resize=300%2C197&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?resize=768%2C504&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?resize=1536%2C1007&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?resize=2048%2C1343&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?resize=150%2C98&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?resize=229%2C150&amp;ssl=1 229w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a23-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ainda temos de resolver o problema dos atributos dos pol\u00edgonos que n\u00e3o s\u00e3o localidades. Estes precisam de ter um atributo que contenha o c\u00f3digo da comuna, para que possam ser agrupados por comuna.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vamos utilizar a camada de comunas do registo predial e efetuar uma jun\u00e7\u00e3o por localidade com a nova camada fundida.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"296\" data-attachment-id=\"10724\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a24-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?fit=1635%2C757&amp;ssl=1\" data-orig-size=\"1635,757\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a24\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?fit=640%2C296&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?resize=640%2C296&#038;ssl=1\" alt=\"\" class=\"wp-image-10724\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?resize=1024%2C474&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?resize=300%2C139&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?resize=768%2C356&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?resize=1536%2C711&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?resize=150%2C69&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?resize=250%2C116&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?w=1635&amp;ssl=1 1635w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a24.png?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"342\" data-attachment-id=\"10725\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a25-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?fit=2217%2C1185&amp;ssl=1\" data-orig-size=\"2217,1185\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a25\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?fit=640%2C342&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=640%2C342&#038;ssl=1\" alt=\"\" class=\"wp-image-10725\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=1024%2C547&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=300%2C160&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=768%2C411&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=1536%2C821&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=2048%2C1095&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=150%2C80&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?resize=250%2C134&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a25.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Temos agora a tabela em anexo:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"277\" data-attachment-id=\"10726\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a26-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?fit=3471%2C1501&amp;ssl=1\" data-orig-size=\"3471,1501\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a26\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?fit=640%2C277&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=640%2C277&#038;ssl=1\" alt=\"\" class=\"wp-image-10726\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=1024%2C443&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=300%2C130&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=768%2C332&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=1536%2C664&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=2048%2C886&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=150%2C65&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?resize=250%2C108&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a26.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nesta imagem, temos os primeiros cinco registos correspondentes a \u00e1reas que n\u00e3o s\u00e3o localidades. O atributo <strong><em>comuna<\/em><\/strong>, que nos interessa para o passo seguinte, n\u00e3o est\u00e1 preenchido, mas o atributo <strong><em>id2<\/em><\/strong>, que prov\u00e9m da uni\u00e3o por localidade com a camada de comunas, est\u00e1 corretamente preenchido.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Abra a tabela no modo de edi\u00e7\u00e3o. Utilize uma express\u00e3o para selecionar os registos que n\u00e3o t\u00eam o atributo <strong><em>comuna <\/em><\/strong>preenchido e, em seguida, abra a calculadora de campos e actualize o campo <strong><em>comuna <\/em><\/strong>com o conte\u00fado de <strong><em>id2<\/em><\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"264\" data-attachment-id=\"10727\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a27-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?fit=3509%2C1449&amp;ssl=1\" data-orig-size=\"3509,1449\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a27\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?fit=640%2C264&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=640%2C264&#038;ssl=1\" alt=\"\" class=\"wp-image-10727\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=1024%2C423&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=300%2C124&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=768%2C317&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=1536%2C634&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=2048%2C846&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=150%2C62&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?resize=250%2C103&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a27.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"291\" data-attachment-id=\"10728\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a28-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?fit=3341%2C1519&amp;ssl=1\" data-orig-size=\"3341,1519\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a28\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?fit=640%2C291&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=640%2C291&#038;ssl=1\" alt=\"\" class=\"wp-image-10728\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=1024%2C466&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=300%2C136&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=768%2C349&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=1536%2C698&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=2048%2C931&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=150%2C68&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?resize=250%2C114&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a28.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"254\" data-attachment-id=\"10729\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a29-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?fit=3187%2C1263&amp;ssl=1\" data-orig-size=\"3187,1263\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a29\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?fit=640%2C254&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=640%2C254&#038;ssl=1\" alt=\"\" class=\"wp-image-10729\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=1024%2C406&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=300%2C119&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=768%2C304&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=1536%2C609&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=2048%2C812&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=150%2C59&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?resize=250%2C99&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a29.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Agora podemos agrupar as localidades por comuna para obter a nossa camada de comunas que \u00e9 coerente com as localidades.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Utilizamos o tratamento <strong><em>Grupo<\/em><\/strong>, com a camada resultante da jun\u00e7\u00e3o que acab\u00e1mos de modificar.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"343\" data-attachment-id=\"10730\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a30-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?fit=2211%2C1183&amp;ssl=1\" data-orig-size=\"2211,1183\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a30\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?fit=640%2C343&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=640%2C343&#038;ssl=1\" alt=\"\" class=\"wp-image-10730\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=1024%2C548&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=300%2C161&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=768%2C411&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=1536%2C822&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=2048%2C1096&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=150%2C80&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?resize=250%2C134&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a30.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ent\u00e3o temos as nossas novas comunas. Resta apenas uma \u00faltima opera\u00e7\u00e3o a efetuar. Como em qualquer opera\u00e7\u00e3o de fus\u00e3o, o resultado conter\u00e1 uma s\u00e9rie de pequenas impurezas que precisam de ser eliminadas:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"386\" data-attachment-id=\"10731\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a31-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?fit=3005%2C1813&amp;ssl=1\" data-orig-size=\"3005,1813\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a31\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?fit=640%2C386&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=640%2C386&#038;ssl=1\" alt=\"\" class=\"wp-image-10731\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=1024%2C618&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=300%2C181&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=768%2C463&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=1536%2C927&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=2048%2C1236&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=150%2C90&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?resize=250%2C150&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a31.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Para o fazer, vamos utilizar o tratamento Remover buracos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"text-decoration: underline;\">N\u00e3o se esque\u00e7a de guardar o resultado num ficheiro permanente &#8211; seria dif\u00edcil ter de refazer tudo!<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"335\" data-attachment-id=\"10732\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a32-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?fit=2227%2C1165&amp;ssl=1\" data-orig-size=\"2227,1165\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a32\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?fit=640%2C335&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=640%2C335&#038;ssl=1\" alt=\"\" class=\"wp-image-10732\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=1024%2C536&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=300%2C157&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=768%2C402&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=1536%2C804&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=2048%2C1071&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=150%2C78&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?resize=250%2C131&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a32.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"391\" data-attachment-id=\"10733\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a33\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?fit=2913%2C1777&amp;ssl=1\" data-orig-size=\"2913,1777\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a33\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?fit=640%2C391&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=640%2C391&#038;ssl=1\" alt=\"\" class=\"wp-image-10733\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=1024%2C625&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=300%2C183&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=768%2C468&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=1536%2C937&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=2048%2C1249&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=150%2C92&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?resize=246%2C150&amp;ssl=1 246w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a33.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Podemos agora comparar o resultado da nossa nova camada comum com a camada original<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"196\" data-attachment-id=\"10734\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/eliminer-les-superpositions-et-les-espaces-entre-polygones-dans-une-coucheavec-qgis-et-postgis\/a34\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?fit=5945%2C1823&amp;ssl=1\" data-orig-size=\"5945,1823\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"a34\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?fit=640%2C196&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=640%2C196&#038;ssl=1\" alt=\"\" class=\"wp-image-10734\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=1024%2C314&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=300%2C92&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=768%2C236&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=1536%2C471&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=2048%2C628&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=150%2C46&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?resize=250%2C77&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/06\/a34.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption class=\"wp-element-caption\">\u00c0 esquerda est\u00e1 a camada cadastral original, \u00e0 direita a camada que constru\u00edmos<\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Para aqueles que n\u00e3o est\u00e3o familiarizados com as alegrias de trabalhar com o cadastro franc\u00eas, devem saber que, se tiverem a oportunidade de trabalhar com dados cadastrais correspondentes a \u00ab\u00a0Lieux-dits\u00a0\u00bb (uma subdivis\u00e3o de comunas), verificar\u00e3o que&hellip;<\/p>\n","protected":false},"author":1,"featured_media":10846,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[2136,2134],"tags":[2138,2140,2156,2142,2148,2144,2146,2158,2160,2150,2152,2154],"class_list":["post-10830","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-postgis","category-qgis","tag-analise-espacial","tag-dados-espaciais","tag-geometria-pt","tag-gestao-territorial","tag-investigacao-geografica","tag-modelacao-geoespacial","tag-poligonos","tag-postgis-pt","tag-qgis-pt","tag-sig-sistema-de-informacao-geografica","tag-territorios","tag-visualizacao-cartografica"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Para aqueles que n\u00e3o est\u00e3o familiarizados com as alegrias de trabalhar com o cadastro franc\u00eas, devem saber que, se tiverem a oportunidade de trabalhar com dados cadastrais correspondentes a &quot;Lieux-dits&quot; (uma subdivis\u00e3o de comunas), verificar\u00e3o que a coer\u00eancia espacial (topologia) n\u00e3o \u00e9 realmente respeitada: De facto, o limite de cada localidade \u00e9 o limite da\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Atilio Francois\"\/>\n\t<meta name=\"google-site-verification\" content=\"ByXHZUbGNn7RNv-Xk5A-ysTZrM65VLIO2RxfSJ2nIEQ\" \/>\n\t<meta name=\"keywords\" content=\"an\u00e1lise espacial,dados espaciais,geometr\u00eda,gest\u00e3o territorial,investiga\u00e7\u00e3o geogr\u00e1fica,modela\u00e7\u00e3o geoespacial,pol\u00edgonos,postgis,qgis,sig (sistema de informa\u00e7\u00e3o geogr\u00e1fica),territ\u00f3rios,visualiza\u00e7\u00e3o cartogr\u00e1fica\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/eliminacao-de-sobreposicoes-e-lacunas-entre-poligonos-numa-camada-com-qgis-e-postgis\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Blog SIG &amp; Territoires | le portail des professionnels du SIG\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Elimina\u00e7\u00e3o de sobreposi\u00e7\u00f5es e lacunas entre pol\u00edgonos numa camada (com QGis e Postgis) | Blog SIG &amp; Territoires\" \/>\n\t\t<meta property=\"og:description\" content=\"Para aqueles que n\u00e3o est\u00e3o familiarizados com as alegrias de trabalhar com o cadastro franc\u00eas, devem saber que, se tiverem a oportunidade de trabalhar com dados cadastrais 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