Thank you Doug, yes r.patch is a good alternative, but it means writing to disk etc. Was more thinking of a display memory thingy.
Been thinking about the virtual rasters indeed, maybe will have a look, any C code page you could direct me to? Cheers, Yann On 20 March 2013 05:39, Newcomb, Doug <doug_newc...@fws.gov> wrote: > Yann, > If I have a large number of layers, I usually do it from a command line or > with a script. I done r.patch with over 100 layers in one command ( before > I discovered gdalbuildvirt :-)) > > Doug > > > On Tue, Mar 19, 2013 at 4:36 AM, Vaclav Petras <wenzesl...@gmail.com> wrote: >> >> On 19 March 2013 09:31, Yann Chemin <yann.che...@gmail.com> wrote: >> > OK found Ctrl+Shift+L in wxGUI >> > >> Yes, it is my favorite feature. I use it even to find and add one map. >> >> However, there is some issue with many layers in layer manager. If you >> load more than 20 (?) layers (maps) only some of them will be >> rendered. There were no investigations; maybe it applies only to >> vectors. And, of course, it is slow. >> >> > Thanks ! >> > Yann >> > >> > On 19 March 2013 13:56, Yann Chemin <yann.che...@gmail.com> wrote: >> >> I am dealing with hourly Microwave data that are not covering the >> >> whole World in each layer. >> >> >> >> To have a decent presentation map of the data, I'd like to get a set >> >> (say 30-50 layers) displayed in one go. >> >> >> >> OK I could do it with the png driver in a script (which is what it may >> >> eventually become), but for the sake of knowledge, is there a GUI >> >> option to load a (rather large) set of images in one block without >> >> having to struggle with a cluttered GIS Manager? >> >> >> >> Thanks >> >> Yann >> >> >> >> -- >> >> Yann Chemin >> >> Researcher@IWMI >> >> Skype/FB: yann.chemin >> > >> > >> > >> > -- >> > Yann Chemin >> > Researcher@IWMI >> > Skype/FB: yann.chemin >> > _______________________________________________ >> > grass-dev mailing list >> > grass-dev@lists.osgeo.org >> > http://lists.osgeo.org/mailman/listinfo/grass-dev >> _______________________________________________ >> grass-dev mailing list >> grass-dev@lists.osgeo.org >> http://lists.osgeo.org/mailman/listinfo/grass-dev > > > > > -- > Doug Newcomb > USFWS > Raleigh, NC > 919-856-4520 ext. 14 doug_newc...@fws.gov > --------------------------------------------------------------------------------------------------------- > The opinions I express are my own and are not representative of the official > policy of the U.S.Fish and Wildlife Service or Dept. of the Interior. Life > is too short for undocumented, proprietary data formats. -- Yann Chemin Researcher@IWMI Skype/FB: yann.chemin _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev