Added -t option to control rttree_reduce culling
Fixed bug for tensor tree with -n > 1 & +forw +back
Compromise on default number of samples
Increased default sampling to -c 10000
Improved parallel calculation of variable-resolution BSDFs
Added unit specification to +/-geom option
Added commas after each data value for WINDOW 6 compatibility
Added comment with execution arguments
Added tensor tree variable-resolution BSDF generation
Fixed bug in computation of isotropic distribution
Fixes to get working version of variable-resolution BSDF
Fixed bug in missing persist file and changed to percentile-based threshold
Incomplete implementation of variable-resolution BSDF calculation
Eliminated Unix dependencies
Bug fix for 32-bit OS
Fixed usage message
Fixed interpretation of Klems directions
Added -r option and fixed ray leakage (thanks to David G-M for help)
Added BRDF computation to genBSDF
Fixed error in command line parsing
Fixed issue with leading white space in split command
Minor change to avoid floating point errors
Slight correction to averaged cosine (thanks to Jacob)
Fixed normalization of computed BSDF
Corrected ordering of BSDF data
Working version of genBSDF with detail geometry support in mkillum
Initial version of genBSDF, probably buggy
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