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I am creating my plugin in QGIS. In file name.py under run I have self.dlg.show()result = self.dlg.exec_()if result: call_my_function()And my_function ends like this error = QgsVectorFileWriter.writeAsVectorFormat(layer, "/home/Aerov/name_of_result.shp", "CP1250", None,"ESRI Shapefile")if...

I have seen another method for this to create centerlines, but that involved splitting the line and deleting the line closures. This is a huge network and the time involved in that would be impossible.I was hoping there was another method that I could not find that someone would help me out...

I'm looking for any region that is smaller than block groups. And it doesn't have to be for the whole United States. Does this exist? Does anyone have any ideas? I feel like I saw somewhere that income data exists on the block level for some cities, but I haven't been able to find anything...

Bonjour, Voici mon problème J'ai une table avec les colonnes suivantes: Code : --------- Nom, Adresse1, Adresse2, Adresse3, VilleCP أكثر...

I'm using ggplot to create a map using the Robinson projection. Ultimately, I'll be plotting individual countries, but I need to provide continent boundaries as a background layer (since some countries will not be plotted). I can successfully plot the two layers of my data (continents +...

I'm plotting vector data for different attributes for countries across Europe. I've used symbology to plot categories of countries. However, the data are numbers so are on a continuous scale. I would therefore like to plot the numbers in each country on a continuous colour or shading gradient...

What is the best method to take a set of points and generate a line? There are too many to simply guess a "connect-the-dots" situation & These points do not have an attributes in which they can be sequenced. My first thoughts are to generate a small buffer to create a polygon or polyline...

The Problem: I've installed Nominatim on CentOS 7, but I'm running into an import error when I try to load the data. Here is the error: Import Please download and build osm2pgsql. If it is already installed, check the path in your local settings (settings/local.php) file. ERROR: osm2pgsql...

I am working with c++/!qt with the c++ api qgis 2.8.2 for a stand alone project application I had to change and add attribute for feature Does anyone know where i can find the default attribute of a feature like the color, the position, the label. أكثر...

Does anyone know the precise list of differences between esri wkt and ogc wkt projection format strings? I know there are various tools to help convert from esri wkt to ogc wkt, incl gdal utilities and various website services. But my question is not of a practical kind, I simply want to...

I am trying to get the values of attributes of the selected features of a layer field by field and copy to another layer that I created in qgis with pyqgis. Is here a example for this. Every example I found leaded me to the dead end. أكثر...

I'm trying to understand GeoTIFF info, but not getting far. For instance, using listgeo with one file I can get this output: Geotiff_Information: Version: 1 Key_Revision: 1.0 Tagged_Information: ModelTiepointTag (2,3): 0 0 0...

“The business of weather is a storm of data driven change,” said Dr. Joel Myers, founder, president and chairman of Accuweather in his keynote address entitled “Transformational Change Driven by Big Data” at the Esri User Conference 2015 held in San Diego. Myers added that, “We are reinventing...

Analysis, 3D, Smart Mapping, and Other Trends Enable Us to Think About GIS Differently The web continues to have an enormous impact on how we practice GIS and how we apply geospatial tools and capabilities to support our workflows and solve problems. It has fundamentally changed everything we...

TweetI always make the time to have a one on one at ESRIUC with Ted Florence, CEO and get caught up on his flagship product, chat some hockey, and get some candid comments about life as a software solution provider. This year Ted pulled out his iPad and showed me the most recent build of […]...

I'm currently working with Leaflet and a dockable web framework called Golden Layout. I'm trying to load tiles into the map, but they are not loading properly and I'm not sure why. Currently, I have created a function to handle the creation of the map. The map container itself is created...

Converting a .mxd to .dxf is something we need to do, and we do not only need the layers but also the layout of a map on our .mxd to be transfered to .dxf. I've done some research on the internet but it seems like an very difficult feat. In the ArcGIS Discussion Forums, some people mention the...

I'm using the QGIS google layers plugin to digitize a parcel as a shapefile. Later I want to import it to PostGIS. I know that google maps use a special 'google mercator' projection. What is the correct code of this projection: 900913 or 3857? Or are these two codes describing the identical...

This release is the*32nd birthday release of GRASS GIS. The new release provides a series of stability fixes in the core system and the graphical user interface, some manual enhancements, PyGRASS improvements, and a few language translations. This release addresses some minor issues found in the...

Bonjour, Voici mon problème J'ai une table avec les colonnes suivantes: Code : --------- Nom, Adresse1, Adresse2, Adresse3, VilleCP أكثر...