Revision 2.34 - (view) (download) (annotate) - [select for diffs]
Wed Jun 29 15:52:07 2022 UTC (2 years, 10 months ago) by greg
Branch: MAIN
CVS Tags: HEAD, rad5R4
Changes since 2.33: +3 -2 lines
Diff to previous 2.33 , to selected 2.1

fix: Added missing check in make_rbfrep() for failure to add RBF

Further tuned relative error for better agreement to integrated values

Revision 2.32 - (view) (download) (annotate) - [select for diffs]
Tue Apr 9 22:39:33 2019 UTC (6 years ago) by greg
Branch: MAIN
Changes since 2.31: +2 -2 lines
Diff to previous 2.31 , to selected 2.1

Reduced relative error tolerance to 1/4 what it was after finding issues

Reduced relative error tolerance value

Revision 2.30 - (view) (download) (annotate) - [select for diffs]
Tue Dec 6 23:39:54 2016 UTC (8 years, 4 months ago) by greg
Branch: MAIN
CVS Tags: rad5R1
Changes since 2.29: +2 -2 lines
Diff to previous 2.29 , to selected 2.1

Decreased slope limit to be more conservative

Improved behavior around peaks by limiting slope of accepted smooth regions

Revision 2.28 - (view) (download) (annotate) - [select for diffs]
Wed Feb 3 18:42:13 2016 UTC (9 years, 3 months ago) by greg
Branch: MAIN
Changes since 2.27: +3 -3 lines
Diff to previous 2.27 , to selected 2.1

Added missing factor affecting BSDF color

Updated pabopto2bsdf to handle tristimulus color -- change in .sir format

Revision 2.26 - (view) (download) (annotate) - [select for diffs]
Fri Aug 22 05:38:44 2014 UTC (10 years, 8 months ago) by greg
Branch: MAIN
CVS Tags: rad4R2P1, rad4R2P2, rad5R0
Changes since 2.25: +2 -2 lines
Diff to previous 2.25 , to selected 2.1

Set minimum cosine to 0.02 to avoid blowing-up values near grazing

Changed RBF lobe creation to put peak at centroid of quadtree leaf

Revision 2.24 - (view) (download) (annotate) - [select for diffs]
Fri Mar 21 01:04:42 2014 UTC (11 years, 1 month ago) by greg
Branch: MAIN
Changes since 2.23: +5 -5 lines
Diff to previous 2.23 , to selected 2.1

Changed behavior so bad incident directions are skipped rather than dying

Forgot to call exit(1)

Revision 2.22 - (view) (download) (annotate) - [select for diffs]
Fri Mar 21 00:27:39 2014 UTC (11 years, 1 month ago) by greg
Branch: MAIN
Changes since 2.21: +8 -3 lines
Diff to previous 2.21 , to selected 2.1

Improved error reporting (slightly)

Allow averaging of negative values, but avoid creating zero or negative lobes

Revision 2.20 - (view) (download) (annotate) - [select for diffs]
Sat Mar 8 18:16:49 2014 UTC (11 years, 1 month ago) by greg
Branch: MAIN
Changes since 2.19: +11 -11 lines
Diff to previous 2.19 , to selected 2.1

Added neighborhood difference to distance metric for better lobe shaping

Went back to earlier absolute threshold

Revision 2.18 - (view) (download) (annotate) - [select for diffs]
Tue Feb 18 16:42:16 2014 UTC (11 years, 2 months ago) by greg
Branch: MAIN
Changes since 2.17: +3 -3 lines
Diff to previous 2.17 , to selected 2.1

Reduced error thresholds to improve lobe sampling

Fixed problem with zero min_bsdf value

Revision 2.16 - (view) (download) (annotate) - [select for diffs]
Fri Nov 8 23:49:07 2013 UTC (11 years, 5 months ago) by greg
Branch: MAIN
Changes since 2.15: +2 -2 lines
Diff to previous 2.15 , to selected 2.1

Changed return value for singular matrix (colinear values)

Fixed significant bug in RBF fitting routine

Revision 2.14 - (view) (download) (annotate) - [select for diffs]
Mon Oct 21 22:03:03 2013 UTC (11 years, 6 months ago) by greg
Branch: MAIN
Changes since 2.13: +3 -2 lines
Diff to previous 2.13 , to selected 2.1

Minor correction

Fixed potential bug in smoothness criterion

Revision 2.12 - (view) (download) (annotate) - [select for diffs]
Mon Oct 21 18:33:15 2013 UTC (11 years, 6 months ago) by greg
Branch: MAIN
Changes since 2.11: +154 -352 lines
Diff to previous 2.11 , to selected 2.1

Major overhaul/redesign of radial basis function derivation

Fixed overflow and tweaked culling operations

Revision 2.10 - (view) (download) (annotate) - [select for diffs]
Fri Oct 18 02:49:30 2013 UTC (11 years, 6 months ago) by greg
Branch: MAIN
Changes since 2.9: +49 -9 lines
Diff to previous 2.9 , to selected 2.1

Fixed bug for transmission and improved culling in uniform regions

Fixed bug for closely-space sample points that caused poor convergence

Revision 2.8 - (view) (download) (annotate) - [select for diffs]
Wed Oct 2 20:38:26 2013 UTC (11 years, 7 months ago) by greg
Branch: MAIN
Changes since 2.7: +4 -2 lines
Diff to previous 2.7 , to selected 2.1

Added test to prevent tally of negative BSDF values

Adjusted maximum fraction for neighbor contribution upwards a bit

Revision 2.6 - (view) (download) (annotate) - [select for diffs]
Wed Sep 25 05:03:10 2013 UTC (11 years, 7 months ago) by greg
Branch: MAIN
Changes since 2.5: +64 -2 lines
Diff to previous 2.5 , to selected 2.1

Put limit on lobe radius based on neighbor values

Fixed calculation of bsdf_min

Revision 2.4 - (view) (download) (annotate) - [select for diffs]
Wed Mar 20 01:00:22 2013 UTC (12 years, 1 month ago) by greg
Branch: MAIN
Changes since 2.3: +5 -1 lines
Diff to previous 2.3 , to selected 2.1

Added minimum BSDF to output where we have no data.

Bug fix in geodesic() and other minor improvements

Revision 2.2 - (view) (download) (annotate) - [select for diffs]
Tue Nov 13 04:23:38 2012 UTC (12 years, 5 months ago) by greg
Branch: MAIN
Changes since 2.1: +16 -8 lines
Diff to previous 2.1

Tried to improve convergence of RBF fit

Broke pabopto2xml into pabopto2bsdf and bsdf2ttree