kopia lustrzana https://github.com/OpenDroneMap/WebODM
33 wiersze
1.3 KiB
Plaintext
Executable File
33 wiersze
1.3 KiB
Plaintext
Executable File
# area_file: Geospatial file containing the area to measure
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# points_file: Geospatial file containing the points defining the area
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# dsm_file: GeoTIFF DEM containing the surface
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# ------
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# output: prints the volume to stdout
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#Import raster ans vector
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v.import input=${area_file} output=polygon_area --overwrite
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v.import input=${points_file} output=polygon_points --overwrite
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v.buffer -s --overwrite input=polygon_area type=area output=region distance=3 minordistance=3
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r.external input=${dsm_file} output=dsm --overwrite
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# Set Grass region to DSM resolution
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g.region rast=dsm
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# Set Grass region to vector bbox
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g.region vector=region
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# Create a mask to speed up computation
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r.mask vect=region
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# Transfer dsm raster data to vector
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v.what.rast map=polygon_points raster=dsm column=height
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v.to.rast input=polygon_area output=r_polygon_area use=val value=255 --overwrite
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# Decimate DSM and generate interpolation of new terrain
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#v.surf.rst --overwrite input=polygon_points zcolumn=height elevation=dsm_below_pile mask=r_polygon_area
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v.surf.bspline --overwrite input=polygon_points column=height raster_output=dsm_below_pile lambda_i=100
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# Compute difference between dsm and new dsm
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r.mapcalc expression='pile_height_above_dsm=dsm-dsm_below_pile' --overwrite
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# Volume output from difference
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r.volume -f input=pile_height_above_dsm clump=r_polygon_area
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