Python bindings for QGIS.

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546 views

How to translate ESRI cursor example to pyQgis?

For example, how to translate this code into pyqgis? rows = gp.UpdateCursor("D:/St_Johns/data.mdb/roads") row = rows.Next() while row: row.buffer_distance = row.road_type * 100 ...
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1answer
284 views

How to move Layer to back?

from my Plugin I've loaded a rasterlayer using the following code: fileName = "/path/to/raster/file.tif" fileInfo = QFileInfo(fileName) baseName = fileInfo.baseName() rlayer = ...
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1answer
271 views

How to handle geometry change in Vector Layer?

Hy, I'm building a plugin in python that manage some lists of wkt from different intern sources (web services, bd, etc..). I can display every source without any problem. For displaying them, I use ...
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0answers
135 views

Setting border-style to 'no pen' using QgsGraduatedSymbolRendererV2

I am developing a QGIS plugin that, after a series of inputs, will produce a thematic map using the QgsGraduatedSymbolRendererV2. Because the polygon are very small, the boarders make it such that ...
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2answers
195 views

extract edge of a line of a vector layer in a new point layer [closed]

I'm using python to build a plug-in in Qgis. I need to extract the edges of each line feature of a vector layer to create a new point layer of all edges. Someone can help me? My data input is a vector ...
3
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2answers
142 views

How can I read the settings for the QgsPaperItem from XML?

I saved a template qpt for the map composer and now I want to read all the settings. I am able to insert the items with composition.addItemsfromXML... But this doesn't load the settings for the ...
2
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1answer
316 views

How to add Real Attributes to Shapefile using pyqgis?

I created the Qmarxan plugin using the fTools plugin as an example base. When I create a new shapefile using the QgsVectorFileWriter function I don't have any difficulty specifying a "Real" field with ...
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1answer
836 views

Is there a way to access QGIS plugins in Python?

Is there a way to access QGIS plugins in Python? I'd like to write a script to do some geoprocessing, and I'd like to use the clip, regular points and convex hull tools in fTools, as well as the Road ...