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Although the title does not reflect anymore the solution I solved the problem this way: I generated the PNG files with the GRASS animation tool as suggested by me in my question and by @markusN in his answer. That part I already had but I mention it for completeness of the answer. Instead getting the time stamps from the shapefile I exported the ...


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Consider to look into GRASS GIS 7. It comes with an easy to use animation tool (with film export): http://grass.osgeo.org/grass70/manuals/wxGUI.animation.html Example video: http://www.youtube.com/watch?v=oTQ963mC9JE ... and more related videos: http://www.youtube.com/user/kratoan1


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This is connected to a related question I asked earlier: Create and immediately update field using Field Calculator Following on from Matthias' answer, this expression allowed me to add a filter and populate NewColumn in just one step: case when "column_1" ILIKE '%Country%' then 1 else 0 end


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Sure. import fiona with fiona.open("file.shp") as src: filtered = filter(lambda f: f['properties']['foo']=='bar', src) It's documented at http://toblerity.org/fiona/manual.html#filtering. The thing is: shapefiles don't have standard and interoperable attribute indexes and so you have to loop over all features and test them no matter what. If you ...


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You could achieve this based on the QGIS Combo Manager Just create your own filter for the fields in a subclass of FieldCombo. The following code is untested (literally), so please bear with me if there's a typo or other minor problems, and think of it as a reference. from qgiscombomanager import * class MyFieldCombo( FieldCombo ): def __init__(self, ...



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