Requested by Ger Tielemans on sage-support. See [[sage-support message](https://groups.google.com/d/msg/sage-support/HSc7-yyJI_g/TWP00jssAAAJ)]. PCRaster: - home: http://pcraster.geo.uu.nl/ - download: http://pcraster.geo.uu.nl/downloads/latest-release/
