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petrasovaa merged 3 commits into from
May 28, 2026
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docs: replace outdated WMS server in r.out.vtk example #4897

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d1768c6
fix: replace outdated WMS server in r.out.vtk example #48444
rohannallamadge Dec 29, 2024
5695a58
Merge branch 'main' into Mercator
petrasovaa May 28, 2026
67611b3
use nc dataset
petrasovaa May 28, 2026
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18 changes: 10 additions & 8 deletions raster/r.out.vtk/r.out.vtk.html
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Expand Up @@ -90,19 +90,21 @@ <h3>Simple Spearfish example</h3>
paraview --data=/tmp/out.vtk
</pre></div>

<h3>Spearfish example with RGB data</h3>
<h3>North Carolina sample dataset example with RGB data</h3>

<div class="code"><pre>
#set the region
g.region n=4926990 s=4914840 w=591570 e=607800 res=30 -p
# set the region to the statewide North Carolina elevation map
g.region raster=elev_state_500m -p

# using r.in.wms to create RGB data to get a satellite coverage
r.in.wms layers=global_mosaic mapserver=http://wms.jpl.nasa.gov/wms.cgi \
output=wms_global_mosaic
# use r.in.wms with the -b flag to fetch RGB satellite imagery from
# NASA GIBS as separate .red, .green and .blue rasters
r.in.wms -b layers=BlueMarble_ShadedRelief_Bathymetry \
url=https://gibs.earthdata.nasa.gov/wms/epsg4326/best/wms.cgi \
output=wms_blue_marble

# export the data to VTK
r.out.vtk rgbmaps=wms_global_mosaic.red,wms_global_mosaic.green,wms_global_mosaic.blue \
elevation=elevation.10m output=/tmp/out.vtk
r.out.vtk rgbmaps=wms_blue_marble.red,wms_blue_marble.green,wms_blue_marble.blue \
elevation=elev_state_500m output=/tmp/out.vtk

# visualize in Paraview or other VTK viewer:
paraview --data=/tmp/out.vtk
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18 changes: 10 additions & 8 deletions raster/r.out.vtk/r.out.vtk.md
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Expand Up @@ -93,19 +93,21 @@ r.out.vtk input=elevation.10m,slope,aspect elevation=elevation.10m output=/tmp/o
paraview --data=/tmp/out.vtk
```

### Spearfish example with RGB data
### North Carolina sample dataset example with RGB data

```sh
#set the region
g.region n=4926990 s=4914840 w=591570 e=607800 res=30 -p
# set the region to the statewide North Carolina elevation map
g.region raster=elev_state_500m -p

# using r.in.wms to create RGB data to get a satellite coverage
r.in.wms layers=global_mosaic mapserver=http://wms.jpl.nasa.gov/wms.cgi \
output=wms_global_mosaic
# use r.in.wms with the -b flag to fetch RGB satellite imagery from
# NASA GIBS as separate .red, .green and .blue rasters
r.in.wms -b layers=BlueMarble_ShadedRelief_Bathymetry \
url=https://gibs.earthdata.nasa.gov/wms/epsg4326/best/wms.cgi \
output=wms_blue_marble

# export the data to VTK
r.out.vtk rgbmaps=wms_global_mosaic.red,wms_global_mosaic.green,wms_global_mosaic.blue \
elevation=elevation.10m output=/tmp/out.vtk
r.out.vtk rgbmaps=wms_blue_marble.red,wms_blue_marble.green,wms_blue_marble.blue \
elevation=elev_state_500m output=/tmp/out.vtk

# visualize in Paraview or other VTK viewer:
paraview --data=/tmp/out.vtk
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