Revision: 52568
http://brlcad.svn.sourceforge.net/brlcad/?rev=52568&view=rev
Author: brlcad
Date: 2012-09-27 04:42:35 +0000 (Thu, 27 Sep 2012)
Log Message:
-----------
should achieve the same effect to call Length() instead of IsSingleton() and
with considerably less computation. also allows ON_Interval to remain
unmodified.
Modified Paths:
--------------
brlcad/trunk/src/libnurbs/opennurbs_ext.cpp
Modified: brlcad/trunk/src/libnurbs/opennurbs_ext.cpp
===================================================================
--- brlcad/trunk/src/libnurbs/opennurbs_ext.cpp 2012-09-26 21:56:31 UTC (rev
52567)
+++ brlcad/trunk/src/libnurbs/opennurbs_ext.cpp 2012-09-27 04:42:35 UTC (rev
52568)
@@ -225,7 +225,7 @@
for (int knot_index = 1; knot_index <= knotcnt; knot_index++) {
ON_Interval range(knots[knot_index - 1], knots[knot_index]);
- if(!range.IsSingleton())
+ if (range.Length() > TOL)
getHVTangents(trimCurve, range, splitlist);
}
for (std::list<double>::iterator l = splitlist.begin(); l !=
splitlist.end(); l++) {
@@ -477,9 +477,9 @@
double midpoint = (t[1]+t[0])/2.0;
ON_Interval left(t[0], midpoint);
ON_Interval right(midpoint, t[1]);
- if(!left.IsSingleton())
+ if (left.Length() > TOL)
getHVTangents(curve, left, list);
- if(!right.IsSingleton())
+ if (right.Length() > TOL)
getHVTangents(curve, right, list);
return true;
} else if (tanx_changed) {//find horz
@@ -517,9 +517,9 @@
double midpoint = (t[1]+t[0])/2.0;
ON_Interval left(t[0], midpoint);
ON_Interval right(midpoint, t[1]);
- if(!left.IsSingleton())
+ if (left.Length() > TOL)
getHVTangents(curve, left, list);
- if(!right.IsSingleton())
+ if (right.Length() > TOL)
getHVTangents(curve, right, list);
return true;
}
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