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...Pyqgisdevelopercookbook release qgisproject mar contents introduction scripting in the python console plugins running code when qgis starts applications technical notes on pyqt and sip loadingprojects loadinglayers vector layers raster qgsproject instance using layer details renderer query values retrieving information about attributes iterating over selecting features modifying spatial index creating appearance symbology of further topics geometryhandling geometry construction access to predicates operations projections support coordinate reference systems crstransformation map canvas embeddingmapcanvas rubber bands vertex markers tools with i writing custom items maprenderingandprinting simple rendering different crs output print layout expressions filtering calculating parsing evaluating...