<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE qgisgrassmodule SYSTEM "http://mrcc.com/qgisgrassmodule.dtd"> <qgisgrassmodule label="Convert points to centroids" module="v.type"> <option key="input" typemask="point"/> <option key="output"/> <option key="type" answer="point,centroid" hidden="yes" /> </qgisgrassmodule>