Revision: 51721
http://brlcad.svn.sourceforge.net/brlcad/?rev=51721&view=rev
Author: crdueck
Date: 2012-07-30 19:22:34 +0000 (Mon, 30 Jul 2012)
Log Message:
-----------
minor changes, use HREVERSE instead of HSCALE to reverse a plane
Modified Paths:
--------------
brlcad/trunk/src/libged/analyze.c
Modified: brlcad/trunk/src/libged/analyze.c
===================================================================
--- brlcad/trunk/src/libged/analyze.c 2012-07-30 18:19:18 UTC (rev 51720)
+++ brlcad/trunk/src/libged/analyze.c 2012-07-30 19:22:34 UTC (rev 51721)
@@ -784,7 +784,7 @@
VSUB2(v1, face->pts[2], face->pts[0]);
VSUB2(v2, face->pts[3], face->pts[1]);
VCROSS(tmp, v2, v1);
- face->area = fabs(VDOT(face->plane_eqn, tmp)) / 2.0;
+ face->area = fabs(VDOT(face->plane_eqn, tmp)) * 0.5;
break;
default:
/* N-Sided Face - Sort points, and compute area using Green's Theorem
*/
@@ -795,7 +795,7 @@
VCROSS(tmp, face->pts[i], face->pts[i + 1 == face->npts ? 0 : i +
1]);
VADD2(sum, sum, tmp);
}
- face->area = fabs(VDOT(face->plane_eqn, sum)) / 2.0;
+ face->area = fabs(VDOT(face->plane_eqn, sum)) * 0.5;
break;
}
@@ -905,7 +905,7 @@
* This corrects the output rotation, fallback angles so that
* they always give the outward pointing normal vector. */
if (DIST_PT_PLANE(center_pt, face.plane_eqn) > 0.0) {
- HSCALE(face.plane_eqn, face.plane_eqn, -1.0);
+ HREVERSE(face.plane_eqn, face.plane_eqn);
}
sprintf(face.label, "%d", prface[type][i]);
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