[GRASS-dev] d.rast.multi ?

[Yann Chemin]

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_newcomb at 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 <wenzeslaus at gmail.com> wrote:
>>
>> On 19 March 2013 09:31, Yann Chemin <yann.chemin at 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.chemin at 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 at IWMI
>> >> Skype/FB: yann.chemin
>> >
>> >
>> >
>> > --
>> > Yann Chemin
>> > Researcher at IWMI
>> > Skype/FB: yann.chemin
>> > _______________________________________________
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>
>
>
>
> --
> Doug Newcomb
> USFWS
> Raleigh, NC
> 919-856-4520 ext. 14 doug_newcomb at 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 at IWMI
Skype/FB: yann.chemin