<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE qgisgrassmodule SYSTEM "http://mrcc.com/qgisgrassmodule.dtd"> <qgisgrassmodule label="Extrudes flat vector object to 3D with height based on attribute" module="v.extrude"> <option key="input" layeroption="layer"/> <option key="elevation" label="Elevation raster for height extraction (optional)"/> <flag key="t" answer="on" advanced="yes" /> <option key="zshift" advanced="yes" /> <field key="height_column" layer="input" type="integer,double"/> <option key="output"/> </qgisgrassmodule>