Tagged Questions
0
votes
1answer
72 views
How can i select many rows from a table?
I want to create an action that select many rows from PostGIS table to show many lines in QGIS.
How can i select many rows from table with python to add these rows in a layer?
Thank you
1
vote
2answers
61 views
ArcGIS 10.1: “ERROR 000223: Cannot extract event table properties” when iterating through multiple files/folder
I am trying to convert ~270k csv-files with lat/long-data to layerfiles. The files are split into folders by year, i.e. ~30 folders with ~9k csv-files in each.
I have written a script to iterate ...
0
votes
1answer
73 views
Split Map using Python in Qgis
I have a map, in which each region is defined as an attribute of the map (I can select each region from the attribute table). I am trying to create new layers each one containing only 1 region using ...
5
votes
1answer
372 views
Export each layer in map to a separate image
I have a mxd file with multiple layers I have to export to PNG/JPG. I would like to create a script which turns on layers one at the time before they are exported. So far I have come up with the ...
0
votes
0answers
61 views
How to apply an existing symbol in pyQGIS?
I'd like to change the layer rendering style from python code.
Basically I want to do the same operations I can do from QGis by:
Right-click on a layer
Select Properties
Select one of the displayed ...
2
votes
1answer
530 views
Create new polygon layers from postcodes latitude & longitude
First at all, I want to say that I am geocoding enthusiastic but have no formal background on GIS. I'll do my best to use the right wording and make myself clear what I am striving for.
Also the only ...
1
vote
0answers
143 views
Hack to change data source of a layer file in ArcGIS 9.3.1 with python?
I'm looking for a way to change the source of my layer file using python. Actually I want to do this because I need to re-use a XSL template which is defined under the tap HTML popup of the layer ...
1
vote
1answer
242 views
Applying layer file not formating labels in ARCGIS 10
I'm applying layer files in ARCGIS 10 using the ApplySymbologyFromLayer_management command via a python script tool. The symbology part works fine but the lables are not formatting.
It is my ...
2
votes
1answer
525 views
Add AutoCAD .dwg annotation file to Arcmap using python (Same as +ADD Data button)
I would like to add an AutoCad .dwg file to Arcmap using python the same way that the +ADD Data button does.
I can add an Annotation layer with python but only as a feature layer not as an annotation ...
2
votes
1answer
205 views
How to create new layer within a DXF file?
Using OGR in Python, I'd like to create some geometries within a DXF file, but not in the "0" layer, but in new ones.
I tried with:
import ogr, os, osr, sys
ds = ...
2
votes
1answer
514 views
OGR and DXF files: Is it possible to handle layer names? (only “entities”)
I'm using Python and OGR to extract the layers of a DXF file and convert them into SHP.
I began with:
import ogr, os, sys
driver = ogr.GetDriverByName('DXF')
datasource = driver.Open('test1.dxf', 0)
...
2
votes
1answer
305 views
Changing the name of layer using python
I am attempting to change the name of the layer. The following code changes the name of the layer but then removes the layer from the map, and I am not sure why.
Note: I don't have any remove layer ...
2
votes
0answers
273 views
Add CAD Drawing Dataset into ArcMap using Python
I am trying to add an CAD Drawing Dataset into ArcMap using Python.
Question is how to add a Auto-CAD .dwg file to ArcMap using Python
Normally comes in as CAD file within a Group layer with:
...
7
votes
2answers
870 views
How can I iterate over map layers in QGIS python
I'm having trouble figuring out how to iterate over map layers. I can access the currently highlighted layer in the table of contents via iface.activeLayer() but I want my code to operate on all ...
