Revision: 41749
http://brlcad.svn.sourceforge.net/brlcad/?rev=41749&view=rev
Author: brlcad
Date: 2010-12-21 21:50:48 +0000 (Tue, 21 Dec 2010)
Log Message:
-----------
more details on the tgc bug. it's somehow only calculating one hit for rays
that perfectly graze the edge of the cylinder's lengthwise tube surface (not
the end disks or actual topological edges). bug may be specific to cones that
pinch to a point (like s.nos5g) but unconfirmed.
Modified Paths:
--------------
brlcad/trunk/TODO
Modified: brlcad/trunk/TODO
===================================================================
--- brlcad/trunk/TODO 2010-12-21 21:48:44 UTC (rev 41748)
+++ brlcad/trunk/TODO 2010-12-21 21:50:48 UTC (rev 41749)
@@ -46,6 +46,14 @@
THESE ARE UNSCHEDULED BACKLOG TASKS
-----------------------------------
+* investigate why solids.sh fails on three pixels on some 64-bit
+ platforms. it grazingly hits/misses a tgc causing a regression
+ failure.
+
+ havoc.g s.nos5g reliably exhibits the grazing edge bug where only
+ one hit point is being returned. to reproduce:
+ e s.nos5g ; ae 35 25 ; units mm ; center 26912.4 7089.08 7168.96 ; nirt
+
* deprecate rtg3 and burst
* make sure 'preview' works, particularly the 'tree' subcommand.
@@ -606,10 +614,6 @@
* address the TODO items in src/mged/clone.c
-* investigate why solids.sh fails on three pixels on some 64-bit
- platforms. it grazingly hits/misses a tgc causing a regression
- failure.
-
* develop a low-level tool for investigating, reporting statistics on,
and repairing geometry database files. the tool should nominally
perform big/little endian conversions, report number and types of
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