Tagged Questions

0
votes
0answers
102 views

how to plot point on openlayer google street layer programmatically

I want to plot points on google street layer using python programming and postgresql database. Mainly I want to extract data from database and plot it on the google street layer on Quantum GIS 1.8 ...
1
vote
0answers
159 views

How to debug 'Layer is not valid error' from Python plugin?

I'm trying to understand what goes wrong with a QGIS python plugin. Basically I'm trying to render a series of POINT. The query works fine, at least giving it by hand from inside PostGIS DB: "SELECT ...
2
votes
1answer
248 views

How to load a postgres view using pyQgis?

Under Qgis 1.8 on Windows 7 I have this problem with my pyArchInit plugin: I need to load on the map canvas my geometries from a postgis layer. Till the 1.7.4 version I use the method explained on the ...