[GRASS-user] GRASS pygrass - composite

[Pierric de Laborie]

Thanks for your input. This was probably the reason why. Grass defaulted
the region to the raster with the highest resolution.

2015-02-12 9:23 GMT+01:00 Micha Silver <micha at arava.co.il>:

>  On 11/02/2015 14:55, Pierric de Laborie wrote:
>
>  Dear Pietro,
>
>  I ran the same command with the highest level of verbose. Unfortunately
> it didn't give much more information when blocking at the problematic step.
>
>  I also started the same command from GRASS GUI on another debian machine
> and it got stuck also. It is like the installation on Debian Wheezy doesn't
> fully work (?)
>
>
>  GRASS 7.0.0svn (222):~/Grass_test >* g.gisenv set="DEBUG=5"      *
>
>
>  D1/1: G_set_program_name(): g.gisenv
> D1/5: G_set_program_name(): g.gisenv
> D2/5: G_option_to_separator(): key = separator -> sep = '/'
>
>  GRASS 7.0.0svn (222):~/Grass_test > * r.composite red=B5 at PERMANENT
> green=B4 at PERMANENT blue=B3 at PERMANENT output=mycompo*
>
>  D1/5: G_set_program_name(): r.composite
> D2/5: G_file_name(): path = /tmp/grassdata/222/PERMANENT
> D2/5: G_file_name(): path = /tmp/grassdata/222/PERMANENT/cell/mycompo
> D2/5: G_file_name(): path = /tmp/grassdata/222/PERMANENT/WIND
> D2/5: G_file_name(): path = /tmp/grassdata/222/PERMANENT/WIND
> D2/5:   file open: read (mode = r)
> D2/5: G__read_Cell_head
> D2/5: G__read_Cell_head_array
> D3/5: region item: proj:       1
> D3/5: region item: zone:       32
> D3/5: region item: north:      3948015
> D3/5: region item: south:      0
> D3/5: region item: east:       841215
> D3/5: region item: west:       0
> D3/5: region item: cols:       841215
> D3/5: region item: rows:       3948015
> D3/5: region item: e-w resol:  1
> D3/5: region item: n-s resol:  1
> D3/5: region item: top:        1.000000000000000
> D3/5: region item: bottom:     0.000000000000000
>
>  This one input raster is huge. 840,000x394,000 = 331,000,000,000 pixels.
> That's probably not what you want. If you have your region set to match
> this raster (rather than the others, which seem to be normal size) then
> that would certainly cause the machine to lock up.
>
>
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