Hi All,<br><br>Here's my Report for Week 3<br><br><a href="http://trac.osgeo.org/postgis/wiki/PostGIS_Raster_SoC_Idea_2012/Distance_Analysis_Tools#Week3Report">http://trac.osgeo.org/postgis/wiki/PostGIS_Raster_SoC_Idea_2012/Distance_Analysis_Tools#Week3Report</a><br>

<br><br>Sorry for the late submission but I was stucked at some point.<br><br>Best,<br>Qing<br>