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Bonjour, Je rencontre un problème avec la fonction statistiques focales de spatial analyst. J'ai donc une grille de données, en maille de 50m*50m. Toutes les cellules de la grille ne contiennent pas de valeurs, les autre sont donc en Nodata. Je souhaite utiliser la fonction...

Bonjour à tous, J'ai installé Lizmap sur un serveur windows 2012 R2 en suivant ce lien: http://docs.3liz.com/fr/admin_guide/installation/windows.html J'arrive à voir les exemples proposés. Mon problème se situe au niveau de la synchronisation avec le plugin Lizmap dans QGIS, mon...

Bonjour, Un point et un segment retourne comme non connecté avec le vérificateur de topologie alors que l'accroche objet les relies. Je suspecté la polyligne d'avoir un "z" different de 0. Est il possible de modifier le 0 pour le mettre à 0 ? Merci d'avance. أكثر...

Analysis of location data can give you answers to many questions. Foursquare is trying to prove that you can use location specific data about people behavioral patterns to predict iPhone sales during the first weekend it hits stores around the world. The company analyzed foot traffic at Apple...

I am using ffmpeg to convert a set of images in png format to mp4 video. I am trying this code line in command line: ffmpeg -framerate 1/5 -i colorraster%02d.png -c:v libx264 -r 30 -pix_f t yuv420p out.mp4 But appears this error: The images open correctly and normally through any...

I'm working on a project involving a ratio of frequent travellers / population divided in Forward Sortation Areas from Canada Post (FSAs are the first three characters of a postal code: A1A). I Created an 8km buffer around stations and then Intersected the FSA data with the 8km buffer, only to...

I have tried to classify the land with SCP plugins. how do I get IMAGE ID in LANDSAT8 as in the image below. Thank you for your help and advice. أكثر...

Summary: A hepatitis B-like virus has been found for the first time in fish. A team of USGS researchers found the virus in white sucker from the Great Lakes Region using gene-sequencing technologies Contact Information: Cassidy Hahn ( Phone...

I would like to automate digitizing and attributing new features in arcmap. If I have a feature class of GPS points and I want to automatically create new points that will snap to the GPS points. Is there a python script I can use for that? Thanks أكثر...

Is there an option in QGIS to fill holes in polygons automatically by setting parameters e.g. maximum area, distance between borderlines? I want to delete/fill holes that a very "thin"/small. أكثر...

I need to calculate the pairwise distances among 330 points that are in one shapefile and also pairwise distances among 948 points that are also in one shapefile. These points are in shapefiles, each has latitude/longitude coordinates that are in the projection I need to obtain distances in...

Bonjour à tous, cela fait une semaine que nous avons déménagé nos bureaux et que je dispose d'un nouvel ordinateur. J'ai donc réinstaller Qgis 2.8.3 et Osgeo4W. Tous se passe bien jusqu'à l'utilisation de Qgis. Impossible d'installer OSM et Lizmap. J'ai donc télécharger les plugins pour...

bonjour, Je cherche un outil que je pensais existant ,en tt cas dans les versions précédentes, qui me permettrait de créée un polygone autour de mon polygone source.c'est à dire de créée une géométrie avec un trou représentant le polygone source et cela à l'échelle mondiale... afin de faire...

In ArcMap you can display images in the Image Coordinate System (ICS) by choosing Focus on Image in the Image Analysis window.Is it possible to achieve the same thing in ArcObjects .NET AxMapControl and if it is, how do I do it? أكثر...

I have a GeoTIFF file for which gdalsrsinfo reports this: PROJ.4 : '+proj=utm +zone=32 +datum=WGS84 +units=m +no_defs 'OGC WKT :PROJCS["WGS 84 / UTM zone 32N",GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]]...

I am on ArcGIS 10.3.1. I have a point feature class that represents the corner vertices of the polygons. They are located in a regular grid. The labels represent the OBJECTID. The points can be digitized in a random order with no sequence whatsoever. There are no attributes defined. What I...

I have an Oracle XE 11g spatial database that is connected to a web map. All the layers of the web map are stored in the database and they work just fine. I sometime need to edit some of the layers in the web map and for this task I use QGIS but the problem is that when I try to add the Oracle...

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QGIS Exercise :*Graphic Modeler Example أكثر...

I am trying to do the rule based styling in openlayers 3, here is my code: CONFIG <div class="container-fluid"> I am trying trying to get the style from symbolizer, but I am getting error. Like openlayer2 I used the filters for AND operation but I...