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I have created a table join between a vector shape-file and a csv file using pyQgs. Now i want to edit the csv file (not from inside QGIS) . But when i double click on the csv file , it says that the file is locked for editing by another process (which means by QGIS) . Is there any way i can...

I am using QGIS to calculate the form (or shape) factor of polygons following what Louf and Barthelemy did here: http://rsif.royalsocietypublishing.org/content/11/101/20140924 The form factor is defined as the ratio between the area of the block and the area of the circumscribed circle...

سلام.مشکل در نصب ArcGIS Desktop VBA Resources for Developers دارم.م أكثر...

I have XY info from a selected point on the map. My question i simple: How do I get a WMS layers features based on this point's geometry, with some added buffer of course. Thanks أكثر...

I am working with ArcGIS JS library, I am trying to add direction widget in my code, and it is working fine. I am following this example:https://developers.arcgis.com/javascript/jssamples/widget_directions_basic.html Now, what I want to do is to add direction widget in separate function and...

تتقدم مؤسسة التقنيات الأرضية للمساحة ونظم المعلومات الجغرافية بعروض مميزة ومغرية على التالي: 1. الأجهزة المساحية بكافة أنواعها 2. إكسسوارات الأجهزة... أكثر...

تتقدم مؤسسة التقنيات الأرضية للمساحة ونظم المعلومات الجغرافية بعروض مميزة ومغرية على التالي: 1. الأجهزة المساحية بكافة أنواعها 2. إكسسوارات الأجهزة... أكثر...

we can do a selection by "select by Attribute" and using RtClick on layer --> Data-->Export Data-->Export Selected Features output the selected as .shp format file. Now I am trying to do this in Model Builder (Using the NEW_SELECTION type of selection) like : But I couldn't figure it out what...

If i export my joined table to csv i get the numeric id value instead of the value relation name from the joined table. Can I export my table with the value relation value? Best regards أكثر...

I'm struggling with the Spanish municipality level, it would be great if someone can help. I need to incorporate population data with the lat/long for each Spanish municipality and below are the details of my current files: I cannot find one master csv having population for each...

I have not managed to Save separate attribute values using Relation reference in QGIS?, so I continue exploring chain filters and then saving the whole combination into one attribute. But: Is it possible to chain filters for only a limited number of filters? I have 8 attributes depending on...

First of all, I'm very rookie in using QGIS. I want to calculate minimum distance between points and a line in QGIS. I use "Distance Matrix", point shape file contains 1337 points data, and I made unique ID as sequence number. A line is actually coast line and I convert text file to vector, then...

I'm working with QGIS 2.8.1. and I want to convert many xls files into csv format using python. My input directory is: D:\PATRICIA\TESTE\XLS and output is: D:\PATRICIA\TESTE\CSV2. I wrote this code based on suggestions from...

I have several dozen Shapefiles (*.shp) that I want to Import into Microstation V8i. Unfortunately, I can only choose one file at a time, so this would be a tedious task. Is there a way to Import many files at once? أكثر...

I have a image has EPSG:32649 coordinate system and I wanto display this image on a EPSG:4326 map on arcgis desktop (arcmap) . Any one can help me? أكثر...

I have a large shapefile (saleArea.shp) which includes hundreds of small adjacent polygons. I would like to dissolve the polygons based on some conditions from tValues field into 5 bigger groups like 1- "tValues" = 0.151561 AND "tValues" = 0.254023 AND "tValues" = 0.379096 AND "tValues" =...

Im looking for a way to zoom and add a marker in a url? Ive found a way to zoom but not to add a marker at the position:http://.cartodb.com/viz//embed_map?zoom=3&center_lat=10&center_lon=35 Is there something similar like Google maps?http://maps.google.com/maps?q=loc:36.26577,-92.54324 cheers...

I have a custom application based on ArcFM Viewer for ArcGIS Engine. I want to use an external GPS receiver with that application and the setup window does not let me choose a different geographic datum. In comparison the corresponding drop down field in ArcGIS Desktop has a variety of datums to...

I have been trying to look for an easy/quick way to select a certain amount of polygons (layer 1) from a 90 points shapefile (layer 2). The idea is to identify the nearest 300 buildings from each of the 90 vaccination sites. Selecting these buildings based on a distance is easy but based on...

I manage to change my datasouce by right clicking on an mxd file and choosing a different sde database connection file as shown in the following image. However When I try to do this using arcpy script the datasource it is not changed, but the new mxd is created (having the old datasource)...