[GRASS-user] v vol rst super slow

[Francois Chartier]

which output do you select to have a 3D Raster?

2018-05-23 15:32 GMT-04:00 Markus Metz <markus.metz.giswork at gmail.com>:

>
>
> On Wed, May 23, 2018 at 1:40 PM, Markus Neteler <neteler at osgeo.org> wrote:
> >
> > On Wed, May 23, 2018 at 1:18 PM, Sören Gebbert
> > <soerengebbert at googlemail.com> wrote:
> > > Hi,
> > > your region settings are interesting.
> > > Do you really need a resolution of 5m in x,y plane and 1m in z
> direction?
> > > As a result you have 23,507,876,616 voxel to compute, but only 76887
> > > points for interpolation.
> > >
> > > I would suggest you reduce the resolution of your region
> > > significantly, at least to test the interpolation settings.
> >
> > Indeed, at least to get a complete run.
> >
> > > Best regards
> > > Soeren
> > >
> > > 2018-05-23 13:09 GMT+02:00 Francois Chartier <fra.chartier at gmail.com>:
> > >> see below
> > >> g.region -3p
> > >>
> > >> projection: 1 (UTM)
> > [...]
> > >> cells:      76572888
> > >> cells3:     23507876616
> > [...]
> > >> v.vol.rst input=BHMat1All_May12 at Toronto wcolumn=cat dmin=0.1
> > >> 25 records selected from table
> > >> Processing all selected output files will require 0 bytes of disk
> space for
> > >> temp files
>
> These 0 bytes are caused by integer overflow, easy to fix.
>
> > >> WARNING: Unable to create <(null)> raster map without cross_input
> raster map
> > >> being specified
> >
> > that comes from
> > vector/v.vol.rst/main.c" line 640
> >
> > To be studied...
>
> The reason is that no output has been specified.
>
> Markus M
>
>
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