﻿{"id":10385,"date":"2023-05-17T10:30:00","date_gmt":"2023-05-17T08:30:00","guid":{"rendered":"https:\/\/www.sigterritoires.fr\/?p=10385"},"modified":"2023-05-20T09:33:37","modified_gmt":"2023-05-20T07:33:37","slug":"tutorial-del-plugin-qgis-green-view-index","status":"publish","type":"post","link":"https:\/\/www.sigterritoires.fr\/index.php\/es\/tutorial-del-plugin-qgis-green-view-index\/","title":{"rendered":"Tutorial del plugin QGis Green View Index"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El \u00cdndice de Vista Verde para QGIS es un plugin que realiza los tres procedimientos principales necesarios para calcular el IVV de un \u00e1rea determinada:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Generar puntos aleatorios en un \u00e1rea<\/li>\n\n\n\n<li>Descarga de im\u00e1genes de Google Street View para las coordenadas de estos puntos<\/li>\n\n\n\n<li>C\u00e1lculo del \u00edndice de verdor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vamos a publicar una serie de tres art\u00edculos:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1-<a href=\"https:\/\/www.sigterritoires.fr\/index.php\/es\/el-plugin-green-view-index-de-qgis\/\" title=\"Conceptos del \u00edndice Green View e instalaci\u00f3n del plugin\">Conceptos del \u00edndice Green View e instalaci\u00f3n del plugin<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2-Tutorial del plugin Green View Index (este art\u00edculo)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.sigterritoires.fr\/index.php\/es\/indice-de-vista-verde-del-plugin-qgis-comparacion-con-imagenes-aereas\/\" title=\"3-Comparaci\u00f3n de los resultados del plugin y del procesamiento de fotos a\u00e9reas\">3-Comparaci\u00f3n de los resultados del plugin y del procesamiento de fotos a\u00e9reas<\/a><\/p>\n\n\n\n<!--more-->\n\n\n\n<h1 class=\"wp-block-heading\">2-Tutorial del plugin Green View Index<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">NOTA: En el momento de escribir esto (Mayo 2023) la versi\u00f3n disponible del plugin es todav\u00eda una versi\u00f3n experimental. Como con cualquier versi\u00f3n experimental, es aconsejable usarlo con una versi\u00f3n Long Term Release (LTR) de QGis, ya que es la versi\u00f3n con la que se ha probado el plugin. Si utiliza otras versiones, es posible que experimente fallos de funcionamiento. En tal caso, env\u00ede un peque\u00f1o informe de error al dise\u00f1ador del plugin, Alexandros Voukenas: avoukenas@gmail.com.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.1-Generar la capa de puntos de vista<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si ya dispone de una capa con los puntos de vista que desea utilizar, puede pasar al siguiente paso. Sin embargo, aseg\u00farese de que cada punto de su capa tiene un identificador \u00fanico, ya que ser\u00e1 necesario en el segundo paso.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si no dispone de una capa de puntos, utilice el plugin para generar una capa con un muestreo aleatorio.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Como entrada, necesita definir lo que define su \u00e1rea de inter\u00e9s (AOI).<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La primera opci\u00f3n es una capa poligonal para definir directamente el \u00e1rea de inter\u00e9s. En este caso, se generar\u00e1n puntos aleatorios dentro del AOI, independientemente de la red de carreteras subyacente.<\/li>\n\n\n\n<li>La segunda opci\u00f3n es definir una red de carreteras como entrada, y se generar\u00e1n puntos aleatorios a lo largo de las l\u00edneas de esta red (se ajustar\u00e1n a las geometr\u00edas de las l\u00edneas).<\/li>\n\n\n\n<li>La tercera opci\u00f3n es definir tanto el \u00e1rea de inter\u00e9s como la red de carreteras como entrada. En este caso, la red de carreteras se recortar\u00e1 primero a los l\u00edmites del \u00e1rea de inter\u00e9s, y despu\u00e9s se generar\u00e1n puntos a lo largo de las l\u00edneas de la red de carreteras restante.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Puede utilizar el <a href=\"https:\/\/www.sigterritoires.fr\/index.php\/es\/proyecciones-qgis-crs\/\">SRC<\/a> de su elecci\u00f3n para las capas de entrada. La \u00fanica restricci\u00f3n es que si elige utilizar tanto un \u00e1rea de inter\u00e9s como una red de carreteras, ambas capas deben tener el mismo SRC.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">El script necesita dos par\u00e1metros adicionales para funcionar:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La <strong>distancia m\u00ednima<\/strong> entre puntos y el <strong>n\u00famero de puntos<\/strong> a generar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La distancia m\u00ednima debe expresarse en metros (independientemente del SRC de la geometr\u00eda de entrada). Adem\u00e1s, como par\u00e1metro, anula el n\u00famero de puntos a generar. Esto significa que si se fija a la vez la distancia m\u00ednima y el n\u00famero de puntos, es posible que se generen menos puntos para satisfacer la distancia m\u00ednima.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La ventana para este tratamiento tiene el siguiente aspecto:<\/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\/05\/b6.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"394\" data-attachment-id=\"10354\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b6-5\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?fit=2207%2C1361&amp;ssl=1\" data-orig-size=\"2207,1361\" 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=\"b6\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?fit=640%2C394&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=640%2C394&#038;ssl=1\" alt=\"\" class=\"wp-image-10354\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=1024%2C631&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=300%2C185&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=768%2C474&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=1536%2C947&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=2048%2C1263&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=150%2C93&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?resize=243%2C150&amp;ssl=1 243w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b6.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\">Como resultado tendr\u00e1 una nueva capa de puntos distribuidos en su \u00e1rea de inter\u00e9s:<\/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\/05\/b7-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"306\" data-attachment-id=\"10355\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b7-5\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?fit=2560%2C1223&amp;ssl=1\" data-orig-size=\"2560,1223\" 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=\"b7\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?fit=640%2C306&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7.jpg?resize=640%2C306&#038;ssl=1\" alt=\"\" class=\"wp-image-10355\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?resize=1024%2C489&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?resize=300%2C143&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?resize=768%2C367&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?resize=1536%2C734&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?resize=2048%2C979&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?resize=150%2C72&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?resize=250%2C119&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b7-scaled.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2.2-Descarga de las im\u00e1genes Street View<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El siguiente paso consiste en descargar las im\u00e1genes GSV en las ubicaciones de los puntos de muestra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La ventana de descarga permite configurar todas las opciones de las im\u00e1genes de Google Street View.<\/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\/05\/b8.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"391\" data-attachment-id=\"10356\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b8-5\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?fit=2211%2C1351&amp;ssl=1\" data-orig-size=\"2211,1351\" 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=\"b8\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?fit=640%2C391&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=640%2C391&#038;ssl=1\" alt=\"\" class=\"wp-image-10356\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=1024%2C626&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=300%2C183&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=768%2C469&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=1536%2C939&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=2048%2C1251&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=150%2C92&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?resize=245%2C150&amp;ssl=1 245w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b8.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\"><strong><em>Input sample points layer<\/em><\/strong> et <strong><em>Unique ID field from sample points layer<\/em><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La entrada de este script puede ser la capa producida por el script anterior o un conjunto de datos propio, siempre que incluya un campo ID \u00fanico de tipo \u00ab\u00a0Entero\u00a0\u00bb. Este campo debe suministrarse como par\u00e1metro de entrada, de modo que cuando las im\u00e1genes se guarden en el disco, su ID forme parte de su nombre.<\/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\/05\/b9.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"315\" data-attachment-id=\"10360\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b9-5\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?fit=900%2C443&amp;ssl=1\" data-orig-size=\"900,443\" 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=\"b9\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?fit=640%2C315&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?resize=640%2C315&#038;ssl=1\" alt=\"\" class=\"wp-image-10360\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?w=900&amp;ssl=1 900w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?resize=300%2C148&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?resize=768%2C378&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?resize=150%2C74&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b9.jpg?resize=250%2C123&amp;ssl=1 250w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Google Street View API key<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta es la clave que obtuviste al final del art\u00edculo anterior.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Field of View (FOV) value<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En Google Street View, el fov (90 por defecto con GSV pero 60\u00b0 por defecto en el plugin) determina el campo de visi\u00f3n horizontal de la imagen. El campo de visi\u00f3n se expresa en grados, con un valor m\u00e1ximo permitido en GSV de 120. Cuando se trata de una ventana de tama\u00f1o fijo, como una imagen de Street View de tama\u00f1o fijo, el campo de visi\u00f3n representa esencialmente el zoom, con n\u00fameros m\u00e1s peque\u00f1os indicando un nivel de zoom m\u00e1s alto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">60\u00b0 es un muy buen compromiso para las im\u00e1genes urbanas. Este par\u00e1metro afecta al n\u00famero de im\u00e1genes descargadas, ya que determina el n\u00famero de direcciones necesarias para escanear el c\u00edrculo completo alrededor del punto de vista (siguiente par\u00e1metro). Con 60\u00b0 necesitar\u00e1 seis direcciones, mientras que con 90\u00b0 s\u00f3lo necesitar\u00e1 cuatro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Heading values (horizontal angle) for which to download images, separated by semicolon.<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por defecto las direcciones est\u00e1n ajustadas a un FOV de 60\u00b0. Si cambia la configuraci\u00f3n anterior, aseg\u00farese de ajustarla para cubrir el c\u00edrculo completo alrededor del punto de vista. Por ejemplo, si elige un FOV de 90\u00b0, deber\u00e1 ajustar los valores de las direcciones a \u00ab\u00a00;90;180;270\u00a0\u00bb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Pitch values (vertical angle) for which to download images, separated by semicolon.<\/em><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"192\" data-attachment-id=\"10362\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b10-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?fit=1321%2C847&amp;ssl=1\" data-orig-size=\"1321,847\" 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=\"b10\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?fit=640%2C411&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?resize=300%2C192&#038;ssl=1\" alt=\"\" class=\"wp-image-10362\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?resize=300%2C192&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?resize=1024%2C657&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?resize=768%2C492&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?resize=150%2C96&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?resize=234%2C150&amp;ssl=1 234w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b10.jpg?w=1321&amp;ssl=1 1321w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Por defecto, encontrar\u00e1 tres \u00e1ngulos de visi\u00f3n: -45\u00b0, 0 y 45\u00b0. Puedes reducir el n\u00famero de \u00e1ngulos de visi\u00f3n, por ejemplo para reducirlo simplemente a una mirada horizontal (0\u00b0), pero esto reducir\u00e1 el inter\u00e9s del Green View Index, que consiste precisamente en tener en cuenta las diferentes miradas que tenemos sobre nuestro entorno.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Image size<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por defecto, las im\u00e1genes tendr\u00e1n 600&#215;600 p\u00edxeles, lo que permite una muy buena definici\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Geotag Images<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si la casilla est\u00e1 marcada, la latitud y la longitud se a\u00f1aden al nombre del archivo de imagen, para que puedan integrarse en el proyecto QGis con el plugin Photo Import.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 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\/0W8tGyzwicA?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><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Metadata only<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si esta casilla est\u00e1 marcada, las im\u00e1genes no se cargan. S\u00f3lo obtendr\u00e1 un archivo <a href=\"https:\/\/www.sigterritoires.fr\/index.php\/es\/importar-csv-qgis\/\">csv<\/a> con el estado y la fecha de la imagen para cada imagen solicitada. De este modo, podr\u00e1 comprobar si se respetan las condiciones de su estudio, sin perjudicar su cr\u00e9dito asociado a la clave API, y solo proceder\u00e1 a la descarga con pleno conocimiento de la calidad de las im\u00e1genes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Output folder containing GSV images<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ATENCI\u00d3N: Por el momento el plugin ofrece el men\u00fa desplegable est\u00e1ndar, con la opci\u00f3n de subir las im\u00e1genes a un directorio permanente o a un directorio temporal. <span style=\"text-decoration: underline;\">No elija \u00ab\u00a0directorio temporal\u00a0\u00bb<\/span>. Sube tus im\u00e1genes a un directorio permanente, reservado s\u00f3lo para tus im\u00e1genes AOI.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">2.3 C\u00e1lculo del Green View Index<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">El tercer script del plugin realiza el c\u00e1lculo final del Green View Index para cada punto de vista de nuestro AOI.<\/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\/05\/b11.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"398\" data-attachment-id=\"10364\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b11-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?fit=2225%2C1381&amp;ssl=1\" data-orig-size=\"2225,1381\" 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=\"b11\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?fit=640%2C398&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=640%2C398&#038;ssl=1\" alt=\"\" class=\"wp-image-10364\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=1024%2C636&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=300%2C186&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=768%2C477&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=1536%2C953&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=2048%2C1271&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=150%2C93&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?resize=242%2C150&amp;ssl=1 242w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b11.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\">Los tres primeros par\u00e1metros ya se han definido en los pasos anteriores.s. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Write green mask images.<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si se marca esta casilla, el script a\u00f1ade la imagen procesada verde\/no verde utilizada para el c\u00e1lculo del \u00edndice al directorio de im\u00e1genes.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b13.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"292\" height=\"385\" data-attachment-id=\"10365\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b13-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b13.png?fit=292%2C385&amp;ssl=1\" data-orig-size=\"292,385\" 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=\"b13\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b13.png?fit=292%2C385&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b13.png?resize=292%2C385&#038;ssl=1\" alt=\"\" class=\"wp-image-10365\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b13.png?w=292&amp;ssl=1 292w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b13.png?resize=228%2C300&amp;ssl=1 228w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b13.png?resize=114%2C150&amp;ssl=1 114w\" sizes=\"auto, (max-width: 292px) 100vw, 292px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Output layer<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El script crear\u00e1 una nueva capa de puntos a\u00f1adiendo a la capa de puntos de entrada del primer paso un campo GVI con el valor calculado para el \u00edndice en cada punto de vista.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"300\" data-attachment-id=\"10366\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b12-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?fit=1199%2C1431&amp;ssl=1\" data-orig-size=\"1199,1431\" 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=\"b12\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?fit=640%2C764&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?resize=251%2C300&#038;ssl=1\" alt=\"\" class=\"wp-image-10366\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?resize=251%2C300&amp;ssl=1 251w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?resize=858%2C1024&amp;ssl=1 858w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?resize=768%2C917&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?resize=126%2C150&amp;ssl=1 126w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b12.png?w=1199&amp;ssl=1 1199w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Tenga en cuenta que la capa creada estar\u00e1 en coordenadas geogr\u00e1ficas, y no en el src de la capa de entrada si era preexistente.<\/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\/05\/b14-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"267\" data-attachment-id=\"10367\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/tutoriel-du-plugin-qgis-green-view-index\/b14-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?fit=2560%2C1066&amp;ssl=1\" data-orig-size=\"2560,1066\" 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=\"b14\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?fit=640%2C267&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14.jpg?resize=640%2C267&#038;ssl=1\" alt=\"\" class=\"wp-image-10367\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?resize=1024%2C427&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?resize=300%2C125&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?resize=768%2C320&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?resize=1536%2C640&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?resize=2048%2C853&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?resize=150%2C62&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?resize=250%2C104&amp;ssl=1 250w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-scaled.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2023\/05\/b14-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\"><a href=\"https:\/\/www.sigterritoires.fr\/index.php\/es\/indice-de-vista-verde-del-plugin-qgis-comparacion-con-imagenes-aereas\/\" title=\"En el pr\u00f3ximo art\u00edculo \">En el pr\u00f3ximo art\u00edculo <\/a>veremos una comparaci\u00f3n de los resultados del Green View Index frente al tratamiento de im\u00e1genes a\u00e9reas verticales.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El \u00cdndice de Vista Verde para QGIS es un plugin que realiza los tres procedimientos principales necesarios para calcular el IVV de un \u00e1rea determinada: Vamos a publicar una serie de tres art\u00edculos: 1-Conceptos del \u00edndice&hellip;<\/p>\n","protected":false},"author":1,"featured_media":10387,"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":[1357],"tags":[1958,1960,1369],"class_list":["post-10385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qgis-es","tag-green-view-index-es","tag-plugins-es","tag-qgis-es"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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