I was trying to obtain a ground raster using spdmfgrd function. These
are the steps of the processing (SPDLIB 3.3.309 version)
1. Convert a LAZ file into SPD with spdtranslate
2. Remove the noise with spdrmnoise
3. Delete the previous classes with spdclearclass
4. I obtain the following error message running the spdpmfgrd (no
error if I don't use the --image option).
spdpmfgrd --maxfilter 20 --gdal GTiff --image -i
/media/geom/DISCO2/temp/Lidar_tmp1/1797/1797_noclass.spd -o
/media/geom/DISCO2/temp/1797_grd.tif
spdpmfgrd SPDLib 3.3.309, Copyright (C) 2016 Sorted Pulse Library (SPD)
This program comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under certain conditions; See
website (http://www.spdlib.org). Bugs are to be reported on the trac
or directly to spdlib-develop@lists.sourceforge.net
Using native resolution for processing
Processing block 1 of 21 blocks
Processing block 2 of 21 blocks
Processing block 3 of 21 blocks
Processing block 4 of 21 blocks
Processing block 5 of 21 blocks
Processing block 6 of 21 blocks
Processing block 7 of 21 blocks
Processing block 8 of 21 blocks
Processing block 9 of 21 blocks
Processing block 10 of 21 blocks
Processing block 11 of 21 blocks
Processing block 12 of 21 blocks
Processing block 13 of 21 blocks
Processing block 14 of 21 blocks
Processing block 15 of 21 blocks
Processing block 16 of 21 blocks
Processing block 17 of 21 blocks
Processing block 18 of 21 blocks
Processing block 19 of 21 blocks
Processing block 20 of 21 blocks
Processing block 21 of 21 blocks
Complete
*** Error in `spdpmfgrd': free(): invalid next size (fast):
0x0000000002e73b90 ***
Aborted
Any hint would be greatly appreciated,
Best,
Aitor
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