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== Running VPB ==
 
== Running VPB ==
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Here are the options I've used:
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Here are the options I've used to generate some scenery of the UK:
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  ./bin/osgdem --geocentric -t /home/stuart/FlightGear/VPB/data/CORINE/u2018_clc2018_v2020_20u1_raster100m/DATA/U2018_CLC2018_V2020_20u1.tif -d /home/stuart /FlightGear/VPB/data/SRTM90/srtm_36_01.tif -e -5 54 -2 56 --PagedLOD -l 5 --RGB-24 -o foo.osgb
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  ./bin/osgdem --TERRAIN \
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--compressor-nvtt \
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--compression-quality-highest \
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--geocentric \
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-t /home/stuart/FlightGear/VPB/data/CORINE/u2018_clc2018_v2020_20u1_raster100m/DATA/U2018_CLC2018_V2020_20u1.tif \
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-d /home/stuart/FlightGear/VPB/data/SRTM90/srtm_34_02.tif \
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-d /home/stuart/FlightGear/VPB/data/SRTM90/srtm_35_01.tif \
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-d /home/stuart/FlightGear/VPB/data/SRTM90/srtm_35_02.tif \
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-d /home/stuart/FlightGear/VPB/data/SRTM90/srtm_36_01.tif \
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-d /home/stuart/FlightGear/VPB/data/SRTM90/srtm_36_02.tif \
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-b -10 50 0 60 \
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--PagedLOD \
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-l 8 \
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-o uk.osgb
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* --TERRAIN to use osgTerrain::Terrain database
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*  --compressor-nvtt --compression-quality-highest to generate native mipmaps
 
* --geocentric because that's what FG uses
 
* --geocentric because that's what FG uses
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* -t the texture to drape (in this case CORINE)
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* -d the DEM to use (in this case pieces of SRTM90)
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* -b is the extents in decimal degrees: LON1 LAT1 LON2 LAT2
 
* --PagedLOD to generate PagedLOD nodes
 
* --PagedLOD to generate PagedLOD nodes
 
* -l 5 the number of LOD levels to generate
 
* -l 5 the number of LOD levels to generate
* -t the texture to drape (in this case CORINE)
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* -d the DEM to use (in this case a piece of SRTM90)
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* -e is the extents in decimal degrees: LON1 LAT1 LON2 LAT2
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* --RGB-24 to user an RGB output texture
   
* -o is the output file, in this case native OSG binary format.
 
* -o is the output file, in this case native OSG binary format.

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