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I have some queries which clip rasters from polygon. So how I can see my result query in postgis or How I can check my query true or false ? أكثر...

In QGIS 2.8, the heatmap plugin got CRS broken. I updated to 2.10, now in the plugin the dialog is broken: it does not let you choose the format. I render layers for atlases with heatmap style. But I need to export it to GeoTIFF, and I don't see a way to do this. Updating the QGIS is not easy...

I'm trying to colorize a SRTM raster in QGIS 2.10 following a tutorial found on the Ireland QGIS User Group Blog. My problem is that when I try to set the render type as single band pseudocolour in the Style Preferences, nothing happens and the raster rendering remains unchanged. Then when I...

Bonjour, Ce ticket fait suite, à celui-ci;http://www.forumsig.org/showthread.php/41371-Installation-PgAgent-bug-Cmake Je m'étais lancé dans une installation manuelle de PgAgent, car la plus part des tutos indiquent de le télécharger sur le site de PostGreSQL. Mais c'est un peu trop complexe...

Bonjour, Ce message pour une question relativement simple je pense, mais qui me pose problème. Je souhaite représenter des flux sur MI, avec l'outil Arrow40. Pour ce faire, je dispose de 2 tables : > La première, avec les communes de France, et la carto. Chaque commune dispose dans la...

Bonjour, Je suis novice en SIG et je souhaiterais créer une couche polygone sous qgis (correspondant à une zone marine) à l'aide de coordonnées GPS officiels. Seulement je ne sais pas si cela est possible manuellement ou si dois créer un fichier .csv obligatoirement. Je vous remercie... أكثر...

I'm a beginner to Qgis and Python;i need a script (don't need it to be a plugin) to get maps of selected features from a layer satisfying certain conditions;Here is my code: from qgis.gui import *from PyQt4.QtCore import *from PyQt4.QtGui import *import timefnam...

I need to show the Map only for the World like http://stackoverflow.com/questions/16558231/leafletjs-setmaxbounds-wont-let-zoom-out-to-see-whole-world How to set this in OL3, tried by giving extent to the view but not working view : new ol.View({ center ...

I have two shp layers with different numbers of fields and slightly different attributes of those field, like the column name or field length.I arranged them so they are in the same order and now want to copy points from the Layer Georef_FO to the Layer Georef_FO_2.Screenshot attached. I put...

I'm looking for shape files (or some similar format) of Colombia's municipality boundaries. Wikipedia has a map that seems to be correct and which matches another dataset that I will eventually be merging in based on municipality names and DANE codes. I've tried contacting the file creator...

This is probably a really basic question. I'm working with Leaflet trying to get some GeoJSON going. Everything works fine when I directly define a var as the GeoJSON I'm trying to display: var censustracts = { "type": "FeatureCollection", ...That works great but fills up my script...

I am trying to set a rule that would move up filled lines and hide an empty line (it can be on any line) in a postal address through PythonCaller transformer. I have a database table consisted of address elements (organisation_name, department_name, house_name, house_number, street_name...

I have a LiDAR map and want to change the view so that the ground shadow is manipulated (looking for archaeological anomalies). I think it is the sun angle that I need to alter but I don't know how. I am running on Windows 7 with QGIS 2.4 downloaded. I am new to QGIS and I am struggling with...

I have done some interpolation in Geostatistical Analyst in ArcGIS and I got the Standard Deviation (SD) a bit different from the SD that I calculated in Excel Spreadsheet. What algorithm does each package use? Why are the results different? أكثر...

I have a plugin with my own map canvas and I create a button in order to remove all the layers visible or opened in map canvas.I use this lines: QgsMapLayerRegistry.instance().removeAllMapLayers()self.canvas.refresh() And it works but I noted that the layers are not in canvas but exist even...

Bonjour, je fais mes 1ers pas sur PostGre/postGis. (et également sur le forum :) ) Je souhaite importer mes fichiers Edigeo 2015 à l'échelle du département dans une base postgres via le plugin cadastre. Je n'ai pas d'erreur lors de l'import (direct via mes fichiers zippés) mais à l'affichage...

I am having difficulties in R getting climate data from a netCDF file into the right format for further analysis. I am working with gridded global data on Standardized Precipitation Index (downloaded from here and want to aggregate the monthly values for each grid-cells to an annual average...

Kilometers driving covering ALL roads (with fewest but unavoidably some roads back and forth)? I want to be able to tell some KM for this but it is foreseeable that some roads will be needed to travel across twice to reach others that have not been covered. I have ArcMap, Qgis, Grass (dont...

I am developing a desktop GIS application using JavaFX that needs to run on Linux. I have been using ArcGIS java sdk and it is really good for all my requirements. But when I started testing it on our actual field machines it is not working. My client is using an AMD driver on their Centos...

I am working to develop an application on CentOS 6.2 using the ArcGISRunetimeSDK for Java. The application works as expected when the default drivers are used (mesa, I believe), but immediately after installing the latest AMD Catalyst driver for the FirePro V4900 in our system the application...