[GRASS-user] r3.out.vtk for paraview

[Markus Neteler]

On Wed, Nov 21, 2018 at 4:06 AM Francois Chartier
<fra.chartier at gmail.com> wrote:
> Hi,
>
> I would like to export a 3D raster done with V.VOL.RST to view it in paraview.
> With r3.out.vtk, i am using the DEM as the upper layer and another  bottom layer.  I created a RGB raster map based on the DEM, same raster for 3 colors.
>
> any ideas why this is not working?
>
> (Tue Nov 20 22:03:53 2018)
> r3.out.vtk -s --overwrite input=nov16region111 at Toronto output=VTKnov20 top=GTA_DEM_Raster at PERMANENT bottom=Rock at Toronto rgbmaps=geotechnov8 at Toronto vectormaps=geotechNov8
> ERROR: Please provide three RGB 3D raster maps
> (Tue Nov 20 22:03:54 2018) Command finished (0 sec)

You need to specify three maps:

rgbmaps=name[,name,...]
    Three (R,G,B) 3D raster maps to create RGB values [redmap,greenmap,bluemap]

Indeed, the [,name,...] is confusing here!

Markus