Revision: 56134
http://sourceforge.net/p/brlcad/code/56134
Author: brlcad
Date: 2013-07-19 19:05:52 +0000 (Fri, 19 Jul 2013)
Log Message:
-----------
revert r56106 as it breaks the nirt regression. hit results seem to be shifted
by the distance introduced in that change, which increased the bounding box by
2 times the distance tolerance.
Revision Links:
--------------
http://sourceforge.net/p/brlcad/code/56106
Modified Paths:
--------------
brlcad/trunk/src/librt/prep.c
Modified: brlcad/trunk/src/librt/prep.c
===================================================================
--- brlcad/trunk/src/librt/prep.c 2013-07-19 19:01:48 UTC (rev 56133)
+++ brlcad/trunk/src/librt/prep.c 2013-07-19 19:05:52 UTC (rev 56134)
@@ -204,7 +204,6 @@
register int i;
struct resource *resp;
vect_t diag;
- fastf_t dist2;
RT_CK_RTI(rtip);
@@ -255,13 +254,12 @@
* Enlarge the model RPP just slightly, to avoid nasty effects
* with a solid's face being exactly on the edge
*/
- dist2 = 2.0 * rtip->rti_tol.dist;
- rtip->mdl_min[X] -= dist2;
- rtip->mdl_min[Y] -= dist2;
- rtip->mdl_min[Z] -= dist2;
- rtip->mdl_max[X] += dist2;
- rtip->mdl_max[Y] += dist2;
- rtip->mdl_max[Z] += dist2;
+ rtip->mdl_min[X] = floor(rtip->mdl_min[X]);
+ rtip->mdl_min[Y] = floor(rtip->mdl_min[Y]);
+ rtip->mdl_min[Z] = floor(rtip->mdl_min[Z]);
+ rtip->mdl_max[X] = ceil(rtip->mdl_max[X]);
+ rtip->mdl_max[Y] = ceil(rtip->mdl_max[Y]);
+ rtip->mdl_max[Z] = ceil(rtip->mdl_max[Z]);
/* Compute radius of a model bounding sphere */
VSUB2(diag, rtip->mdl_max, rtip->mdl_min);
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