﻿{"id":11696,"date":"2023-08-01T09:00:00","date_gmt":"2023-08-01T07:00:00","guid":{"rendered":"https:\/\/www.sigterritoires.fr\/?p=11696"},"modified":"2023-07-30T21:39:01","modified_gmt":"2023-07-30T19:39:01","slug":"qgis-para-lidar-colorir-a-partir-de-uma-imagem-com-lastools","status":"publish","type":"post","link":"https:\/\/www.sigterritoires.fr\/index.php\/pt\/qgis-para-lidar-colorir-a-partir-de-uma-imagem-com-lastools\/","title":{"rendered":"QGis para LIDAR: colorir a partir de uma imagem com LAStools"},"content":{"rendered":"\n<p>Na figura, voc\u00ea pode ver a mensagem devido \u00e0 falta de licen\u00e7a. Acima de 3 milh\u00f5es de pontos, haver\u00e1 pequenas distor\u00e7\u00f5es e alguns atributos a menos.<\/p>\n\n\n\n<p>O resultado final das quatro novas nuvens de pontos pode agora ser carregado na janela do QGis:<\/p>\n\n\n\n<p>Neste artigo, voc\u00ea descobrir\u00e1 como transferir as cores (colorir) de uma imagem ou ortofoto para os pontos de uma nuvem LIDAR usando a caixa de ferramentas <a href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/qgis-3-32-ferramentas-para-dados-lidar\/\">LAStools<\/a> no QGis, que renderiza o LIDAR como uma fotografia. Daremos uma olhada em como criar arquivos .bat usando o LAStools para processar um conjunto de arquivos.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/dados-lidar-no-qgis-3-32\/\">1- Dados LIDAR no QGis 3.32<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/carregamento-de-dados-ign-france-hd-lidar-no-qgis\/\">2- Descarregar os dados do IGN HD LIDAR e carreg\u00e1-los no QGis<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/qgis-3-32-ferramentas-para-dados-lidar\/\">3- Ferramentas para dados LIDAR no QGis 3.32<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.sigterritoires.fr\/index.php\/pt\/qgis-para-lidar-colorir-a-partir-de-uma-imagem\/\" title=\"4-Colortiser un nuage de points \u00e0 partir d\u2019une orthophoto\">4-colorir a partir de uma imagem<\/a><\/p>\n\n\n\n<p>5-colorir a partir de uma imagem com LAStools<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-prise-en-charge-des-contenus-embarques wp-block-embed-prise-en-charge-des-contenus-embarques wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"jetpack-video-wrapper\"><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/PI8-V8BbUts?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/div>\n<\/div><figcaption class=\"wp-element-caption\">Veja este v\u00eddeo e muitos outros no nosso canal do Youtube: <a href=\"https:\/\/www.youtube.com\/@sigterritoires\">https:\/\/www.youtube.com\/@sigterritoires<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tratamentos LAStools<\/h2>\n\n\n\n<p>A caixa de ferramentas do LASTOOLS consiste em tr\u00eas tipos de ferramentas:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"553\" data-attachment-id=\"11366\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-3-32-outils-pour-les-donnees-lidar\/bloc_lastools_traitements\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?fit=665%2C575&amp;ssl=1\" data-orig-size=\"665,575\" 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=\"bloc_lastools_traitements\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?fit=640%2C553&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?resize=640%2C553&#038;ssl=1\" alt=\"Bloco de ferramentas lastools para Qgis\" class=\"wp-image-11366\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?w=665&amp;ssl=1 665w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?resize=300%2C259&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?resize=150%2C130&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/bloc_lastools_traitements.png?resize=173%2C150&amp;ssl=1 173w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><em>file <\/em><\/strong>&#8211; As ferramentas b\u00e1sicas que usam um arquivo como entrada de processamento.<\/li>\n\n\n\n<li><strong><em>folder <\/em><\/strong>&#8211; Ferramentas semelhantes, mas que usam um diret\u00f3rio como entrada de processamento. Todos os arquivos LAS ou LAZ nesse diret\u00f3rio s\u00e3o processados. O nome do processamento termina com Pro.<\/li>\n\n\n\n<li><strong><em>pipelines <\/em><\/strong>&#8211; ferramentas que encadeiam automaticamente uma s\u00e9rie de ferramentas anteriores.<\/li>\n<\/ol>\n\n\n\n<p>No grupo de <strong><em>folder<\/em><\/strong>, voc\u00ea encontrar\u00e1 apenas alguns dos processos presentes no grupo de <strong><em>files<\/em><\/strong>. Mas voc\u00ea pode, com um pouco de trabalho, criar um arquivo .bat para executar um comando de arquivo em um diret\u00f3rio inteiro. Aqui, veremos o procedimento com a ferramenta LAScolor, que est\u00e1 presente apenas no grupo de arquivos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">LAScolor: colorindo uma nuvem de pontos<\/h2>\n\n\n\n<p>Tomaremos como exemplo um grupo de quatro nuvens de pontos IGN HD LIDAR n\u00e3o classificadas e a imagem BDOrtho correspondente<\/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\/07\/entree_lascolor_qgis.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"360\" data-attachment-id=\"11670\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-pour-lidarcoloriser-a-partir-dune-image-avec-lastools\/entree_lascolor_qgis\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?fit=3842%2C2160&amp;ssl=1\" data-orig-size=\"3842,2160\" 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=\"entree_lascolor_qgis\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?fit=640%2C360&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?resize=640%2C360&#038;ssl=1\" alt=\"nuvens lidar e ortofoto como entrada para lascolor no qgis\" class=\"wp-image-11670\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?resize=1536%2C864&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?resize=2048%2C1151&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/entree_lascolor_qgis.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p>O LAStools pode ser executado na linha de comando, fora do QGis. Em vez de procurar a sintaxe necess\u00e1ria para a linha de comando, podemos executar a ferramenta no QGis e recuperar a linha de comando gerada pelo plug-in do registro de execu\u00e7\u00e3o. Com algumas modifica\u00e7\u00f5es, teremos o arquivo .bat que desejamos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Executando a ferramenta por meio do plug-in QGis<\/h2>\n\n\n\n<p>Executamos a ferramenta LAScolor na caixa de ferramentas LAStools do QGis:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/outil_lascolor_qgis.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"795\" data-attachment-id=\"11671\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-pour-lidarcoloriser-a-partir-dune-image-avec-lastools\/outil_lascolor_qgis\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/outil_lascolor_qgis.png?fit=605%2C795&amp;ssl=1\" data-orig-size=\"605,795\" 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=\"outil_lascolor_qgis\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/outil_lascolor_qgis.png?fit=605%2C795&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/outil_lascolor_qgis.png?resize=605%2C795&#038;ssl=1\" alt=\"Caixa de ferramentas lastools no qgis 3.32\" class=\"wp-image-11671\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/outil_lascolor_qgis.png?w=605&amp;ssl=1 605w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/outil_lascolor_qgis.png?resize=228%2C300&amp;ssl=1 228w\" sizes=\"auto, (max-width: 605px) 100vw, 605px\" \/><\/a><\/figure>\n\n\n\n<p>Para a ferramenta, selecionamos uma das nuvens de pontos, a ortofoto, e damos a ela qualquer nome como sa\u00edda. N\u00e3o manteremos o resultado do processamento, pois o faremos com o arquivo .bat para todas as nuvens no diret\u00f3rio.<\/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\/07\/dialogue_lascolor_qgis.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"426\" data-attachment-id=\"11672\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-pour-lidarcoloriser-a-partir-dune-image-avec-lastools\/dialogue_lascolor_qgis\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?fit=2083%2C1385&amp;ssl=1\" data-orig-size=\"2083,1385\" 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=\"dialogue_lascolor_qgis\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?fit=640%2C426&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?resize=640%2C426&#038;ssl=1\" alt=\"di\u00e1logo do lascolor\" class=\"wp-image-11672\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?resize=1024%2C681&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?resize=300%2C199&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?resize=1536%2C1021&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?resize=2048%2C1362&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/dialogue_lascolor_qgis.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p>O LAStools \u00e9 fornecido em duas vers\u00f5es: 32 bits e 64 bits. Por padr\u00e3o, as caixas de di\u00e1logo usam a vers\u00e3o de 32 bits da ferramenta. O problema \u00e9 que essas vers\u00f5es est\u00e3o limitadas a gerenciar 4 GB de mem\u00f3ria e, dado o n\u00famero de pontos presentes nas nuvens LIDAR, esse limite \u00e9 frequentemente excedido. Para evitar mensagens de erro de aloca\u00e7\u00e3o de mem\u00f3ria, \u00e9 melhor marcar sempre a caixa da vers\u00e3o de 64 bits.<\/p>\n\n\n\n<p>Quando voc\u00ea clica em Executar, a janela exibe a guia Registro:<\/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\/07\/journal_execution_lascolor_qgis.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"426\" data-attachment-id=\"11673\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-pour-lidarcoloriser-a-partir-dune-image-avec-lastools\/journal_execution_lascolor_qgis\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?fit=2083%2C1385&amp;ssl=1\" data-orig-size=\"2083,1385\" 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=\"journal_execution_lascolor_qgis\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?fit=640%2C426&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?resize=640%2C426&#038;ssl=1\" alt=\"Registro de processamento do lascolor\" class=\"wp-image-11673\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?resize=1024%2C681&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?resize=300%2C199&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?resize=1536%2C1021&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?resize=2048%2C1362&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/journal_execution_lascolor_qgis.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p>Ap\u00f3s \u00ab\u00a0Linha de comando do LAStools\u00a0\u00bb, voc\u00ea encontrar\u00e1 a linha de comando que estamos procurando.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>C:\/lidar\/cantal\/LAStoolsbinascolor -cpu64 -i \"C:\\lidar\/colouriseinput\/semis1.laz\" -image \"C:\\lidar\/colouriseortho.tif\" -o \"C:\/lidar\/colouriseoutput\/semis1.laz\"<\/code><\/pre>\n\n\n\n<p>Neste exemplo:<\/p>\n\n\n\n<p><strong><em>C:\/lidar\/cantal\/LAStools\\bin\\lascolor<\/em><\/strong> \u00e9 o execut\u00e1vel da ferramenta<\/p>\n\n\n\n<p><strong><em>-cpu64<\/em><\/strong> corresponde \u00e0 solicita\u00e7\u00e3o para executar a vers\u00e3o de 64 bits da ferramenta<\/p>\n\n\n\n<p><strong><em>-i \u00ab\u00a0C:\\lidar\\coloriser\\input\\semis1.laz\u00a0\u00bb<\/em><\/strong> \u00e9 a nuvem de entrada<\/p>\n\n\n\n<p><strong><em>-image \u00ab\u00a0C:\\lidar\\coloriser\\ortho.tif\u00a0\u00bb<\/em><\/strong> \u00e9 a imagem a ser usada para colorir a nuvem de pontos<\/p>\n\n\n\n<p><strong><em>-o \u00ab\u00a0C:\/lidar\/colorise\/output\/semis1.laz\u00a0\u00bb<\/em><\/strong> \u00e9 a nuvem colorida resultante<\/p>\n\n\n\n<p>Abrimos um arquivo de texto vazio no Edit para criar nosso pequeno programa em lote.<\/p>\n\n\n\n<p>A primeira linha desse arquivo ser\u00e1 a linha que cria o loop de processamento para todos os arquivos em um diret\u00f3rio.<\/p>\n\n\n\n<p>Essa linha ser\u00e1<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for \/r diret\u00f3rio %%i in (extens\u00e3o) do (<\/code><\/pre>\n\n\n\n<p>Em linguagem simples, o conte\u00fado da vari\u00e1vel %%i ser\u00e1 o nome completo (incluindo o caminho) de cada arquivo com uma determinada extens\u00e3o em um determinado diret\u00f3rio.<\/p>\n\n\n\n<p>Em nosso exemplo, essa linha ser\u00e1<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for \/r \"C:\\lidar\\colorise\\input\" %%i in (*.laz) do (<\/code><\/pre>\n\n\n\n<p>Se suas nuvens de pontos estiverem no formato LAS, ser\u00e1 necess\u00e1rio alterar *.laz para *.las<\/p>\n\n\n\n<p>A segunda linha \u00e9 o comando que executa o LAScolor, onde modificamos a entrada e a sa\u00edda.<\/p>\n\n\n\n<p>No arquivo de entrada do comando, substitu\u00edmos <strong><em>-i \u00ab\u00a0C:\\lidar\\coloriser\\inputsemis1.laz\u00a0\u00bb<\/em><\/strong> pela vari\u00e1vel do loop for: <strong><em>-i %%i<\/em><\/strong><\/p>\n\n\n\n<p>Para o arquivo de sa\u00edda, precisamos usar uma vari\u00e1vel desconhecida. N\u00e3o podemos usar a vari\u00e1vel <strong><em>%%i<\/em><\/strong> como est\u00e1 porque ela cont\u00e9m o caminho do arquivo de entrada e queremos criar o arquivo de sa\u00edda em outro diret\u00f3rio. Portanto, precisamos recuperar o nome do arquivo de entrada sem o caminho. Para fazer isso, usamos a vari\u00e1vel <strong><em>%%~ni<\/em><\/strong>. A <strong><em>~n<\/em><\/strong> recupera o nome de <strong><em>%%i<\/em><\/strong> sem o caminho ou a extens\u00e3o.<\/p>\n\n\n\n<p>Portanto, nossa sa\u00edda ser\u00e1<\/p>\n\n\n\n<p><strong><em>-o C:\/lidar\/coloriser\/output\/%%~ni.laz<\/em><\/strong><\/p>\n\n\n\n<p>Precisamos adicionar o caminho do diret\u00f3rio de sa\u00edda e a extens\u00e3o desejada \u00e0 vari\u00e1vel.<\/p>\n\n\n\n<p>O resultado final do nosso arquivo .bat ser\u00e1, ent\u00e3o, o seguinte:<\/p>\n\n\n\n<pre class=\"wp-block-code has-cyan-bluish-gray-background-color has-background\"><code>for \/r \"C:\\lidar\\coloriser\\input\" %%i in (*.laz) do (\nC:\/lidar\/cantal\/LAStools\\bin\\lascolor -cpu64 \n-i %%i \n-image \"C:\\lidar\\coloriser\\ortho.tif\" \n-o C:\/lidar\/coloriser\/output\/%%~ni.laz\n)<\/code><\/pre>\n\n\n\n<p>Para execut\u00e1-lo, abra uma janela de terminal (janela de comando), v\u00e1 para o diret\u00f3rio do arquivo bat que voc\u00ea acabou de criar e digite .\\nom_du_fichier.bat (1)<\/p>\n\n\n\n<p>Voc\u00ea ver\u00e1 suas nuvens de pontos sendo processadas (2):<\/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\/07\/terminal_execution_fichier_bat_lascolor.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"436\" data-attachment-id=\"11674\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-pour-lidarcoloriser-a-partir-dune-image-avec-lastools\/terminal_execution_fichier_bat_lascolor\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?fit=2848%2C1940&amp;ssl=1\" data-orig-size=\"2848,1940\" 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=\"terminal_execution_fichier_bat_lascolor\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?fit=640%2C436&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?resize=640%2C436&#038;ssl=1\" alt=\"janela de comando e execu\u00e7\u00e3o do arquivo .bat\" class=\"wp-image-11674\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?resize=1024%2C698&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?resize=300%2C204&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?resize=768%2C523&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?resize=1536%2C1046&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?resize=2048%2C1395&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/terminal_execution_fichier_bat_lascolor.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p>Na figura, voc\u00ea pode ver a mensagem devido \u00e0 falta de licen\u00e7a. Acima de 3 milh\u00f5es de pontos, haver\u00e1 pequenas distor\u00e7\u00f5es e alguns atributos a menos.<\/p>\n\n\n\n<p>O resultado final das quatro novas nuvens de pontos pode agora ser carregado na janela do 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\/07\/nuages_lidar_colorises_avec_lascolor.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"360\" data-attachment-id=\"11685\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-pour-lidarcoloriser-a-partir-dune-image-avec-lastools\/nuages_lidar_colorises_avec_lascolor\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?fit=3842%2C2160&amp;ssl=1\" data-orig-size=\"3842,2160\" 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=\"nuages_lidar_colorises_avec_lascolor\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?fit=640%2C360&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?resize=640%2C360&#038;ssl=1\" alt=\"resultado da colora\u00e7\u00e3o das nuvens lidar\" class=\"wp-image-11685\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?resize=1536%2C864&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?resize=2048%2C1151&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Na figura, voc\u00ea pode ver a mensagem devido \u00e0 falta de licen\u00e7a. Acima de 3 milh\u00f5es de pontos, haver\u00e1 pequenas distor\u00e7\u00f5es e alguns atributos a menos. O resultado final das quatro novas nuvens de pontos pode&hellip;<\/p>\n","protected":false},"author":1,"featured_media":11685,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"give_campaign_id":0,"_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_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2426],"tags":[2557,2559,2563,2441,2436,2434,2561,2160],"class_list":["post-11696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lidar-pt","tag-colorir","tag-dados","tag-lascolor","tag-lastools","tag-lidar-pt","tag-nuvens-de-pontos","tag-orthofoto-pt","tag-qgis-pt"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/07\/nuages_lidar_colorises_avec_lascolor.png?fit=3842%2C2160&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p6XU0A-32E","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/posts\/11696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/comments?post=11696"}],"version-history":[{"count":0,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/posts\/11696\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/media\/11685"}],"wp:attachment":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/media?parent=11696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/categories?post=11696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/tags?post=11696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}