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Bonjour a vous ;) je viens sur ce forum parce que je souhaiterais obtenir le logiciel QGIS 2.12.1 mais en l'installant sur mon pc, il y a un message d'erreur et suivant cela, les fichiers a extraire sont corrompu...:( la preuve en un screen de la fenêtre Pièce jointe 7972... أكثر...

I write a qgis plugin using SAGA by Processing. Is is possible to test whether Saga is installed and which version is on. For GDAL, it's OK with "processing.tools.raster.gdal.version" ThanksJean أكثر...

I have two landuse change maps and I'd like to create some alluvial diagrams to show change over time. This way I can tell what became what. Are there any tools in QGis or other GIS that can create such graph? أكثر...

I have a data table about national bus lines, with timestamps, vehicle IDs, line IDs (which line the bus is moving on), and coordinates(geom). I can add my points to QGIS on show them on OSM, but I'd like to create lines from these points (so I can show fuel lvl on them, for example or speed)...

المحتويات 1. التعريف بالكرطوغرافيا ü التعريف الكرطوغرافي ومراحل تطورها ü أنواع الخرائط والعمل الكرطوغرافي 2. أشكال التوطين الكرطوغرافي ü التوطين النقطي (الرموز الهندسية، التصويرية...) ü أشكال التوطين الخطي ü التوطين المساحي 3. المتغيرات البصرية ü متغير الشكل ü متغير...

I'm working on a plugin to put items (pictures, arrows, labels) on the Print Composer layout. Everything is fine with the exception that once they are drawn, none of these show up in the "items" window until I save, close and open the file, or duplicate the composer (only in the duplicate). It...

الشركة العالمية - مصر أكثر...

الشركة العالمية - مصر أكثر...

I am trying to map which county a set of coordinates I have are in. I want the code to go through each coordinate, check which county it is in, and then print the corresponding county. However, currently when ran the cursor in idle just flashes and nothing appears to happen. Any help with where...

I'm trying to build an application witch allows to export point table to a CSV file. Application must have a module to choose columns that we want to export and automatically adds X and Y coordinates columns to exported CSV file. I've done a simple application from this...

I am working on a Unity3d Project and want to show world map using google on sphere or plane but actually the problem is GOOGlE provide stataic api which don't provide image greater then 640x640. How can i get HD interactive image or else solution. I heard about tiles but i didnot find it on...

I am trying to select zonetypes (eg forest, agriculture) within a municipality and to show the area of each zonetype in this municipality. I am doing this in ModelBuilder and will Export it to a python script later. I am stuck with following Points How can I tell ModelBuilder to perform the...

I am looking for a simple way to concatenate one geospatial pdf (with multiple layers in a single image) and regular pdf. I have tried tools such as pdfunite, pdftk and pdfconcat, without success. The result is always a regular pdf, losing the layers and geospatial references. Does it exist a...

I try to draw a graph in map with R code : df

I'm adding map into my map app. I follow tutorial: https://developers.arcgis.com/android/guide/develop-your-first-map-app.htm. But when I run my app, it don't appear the map. I only saw a black screen. I checked many times but i don't find any error. Can anybody help me about this problem.Sorry...

I have tried to look for an answer to this question, but cannot find an adequate solution. I have two point layers. One is of locations by lat/longs of homes in Louisiana. The other is a layer of points that map the coast of Louisiana. Basically, I want to calculate the distance to the coast of...

I am trying to make a web application that renders 3D buildings (LoD1). I have a PostGIS (2.2.1dev) database which contains the 2D geometry of the buildings and the height. I used st_extrude to make a 3D geometry out of it. The problem is that I end up with a PolyhedralSurface, while I need a...

I am developing a node.js/javascript application where I would have dozens of beacons in a row (positions known), which gives me their distances to specific object (3 or 4 distances per object). The idea is to trilaterate those distances to infer the coordinates of this object. I have...

I have a set of different layers (and their respective shapefiles) with information of electric lines. All the layers have the same Fields in their Attribute Tables, but contain information about different features. I want to merge only the layers that I choose and save them into a new...

Can anyone tell me what this means? and what I have to do to get it done? I'd like to export my map from QGIS to use as a webmap. Data is from a postGIS database. Fehler bei der Ausführung von Python-Code: Traceback (most recent call last): File...