[GRASS-user] Patch tiles faster

2011-10-04 Thread Radim Blazek
Hi, I need to patch more non overlapping raster maps into one map. Currently I am using r.patch, but it is very slow for larger maps (about 40 minutes in my case). It is so slow probably because it is reading and processing all input tile maps with extent of the output map. Is there a faster way ho

Re: [GRASS-user] Patch tiles faster

2011-10-05 Thread Massimiliano Cannata
Hi, don't know about speed but maybe take a look at "gdal_merge.py", it may works out... Maxi On 10/04/2011 07:27 PM, Radim Blazek wrote: Hi, I need to patch more non overlapping raster maps into one map. Currently I am using r.patch, but it is very slow for larger maps (about 40 minutes in my

Re: [GRASS-user] Patch tiles faster

2011-10-05 Thread Alex Mandel
What about creating a gdal vrt, then if you need one file you can convert it to another format. Alex On 10/05/2011 12:06 AM, Massimiliano Cannata wrote: > Hi, > don't know about speed but maybe take a look at "gdal_merge.py", > it may works out... > > Maxi > > On 10/04/2011 07:27 PM, Radim Blaz