Revision: 56695
http://sourceforge.net/p/brlcad/code/56695
Author: starseeker
Date: 2013-08-08 18:23:31 +0000 (Thu, 08 Aug 2013)
Log Message:
-----------
Add knots to curves
Modified Paths:
--------------
brlcad/trunk/src/conv/step/ON_Brep.cpp
Modified: brlcad/trunk/src/conv/step/ON_Brep.cpp
===================================================================
--- brlcad/trunk/src/conv/step/ON_Brep.cpp 2013-08-08 18:07:51 UTC (rev
56694)
+++ brlcad/trunk/src/conv/step/ON_Brep.cpp 2013-08-08 18:23:31 UTC (rev
56695)
@@ -100,6 +100,33 @@
control_pnts->AddNode(new EntityNode((SDAI_Application_instance
*)step_cartesian));
}
}
+
+void
+ON_NurbsCurveKnots_to_Aggregates(ON_NurbsCurve *incrv,
SdaiB_spline_curve_with_knots *step_crv)
+{
+ IntAggregate_ptr knot_multiplicities = step_crv->knot_multiplicities_();
+ RealAggregate_ptr knots = step_crv->knots_();
+ int i = 0;
+ std::cout << "KnotCount: " << incrv->KnotCount() << "\n";
+ while (i < incrv->KnotCount()) {
+ int multiplicity_val = incrv->KnotMultiplicity(i);
+ /* Add knot */
+ RealNode *knot = new RealNode();
+ knot->value = incrv->Knot(i);
+ knots->AddNode(knot);
+ /* OpenNURBS and STEP have different notions of end knot
conditions -
+ * see http://wiki.mcneel.com/developer/onsuperfluousknot */
+ std::cout << "Multiplicity: " << multiplicity_val << " ";
+ if ((i == 0) || (i == (incrv->KnotCount() -
incrv->KnotMultiplicity(0)))) multiplicity_val++;
+ std::cout << "Multiplicity after increment (" << i << "): " <<
multiplicity_val << "\n";
+ /* Set Multiplicity */
+ IntNode *multiplicity = new IntNode();
+ multiplicity->value = multiplicity_val;
+ knot_multiplicities->AddNode(multiplicity);
+ i += incrv->KnotMultiplicity(i);
+ }
+}
+
#if 0
void
ON_RationalNurbsCurve_to_EntityAggregate(ON_NurbsCurve *incrv,
SdaiRational_B_spline_curve *step_crv) {
@@ -177,10 +204,12 @@
if (n_curve->IsRational()) {
three_dimensional_curves.at(i) =
registry->ObjCreate("RATIONAL_B_SPLINE_CURVE");
} else {
- three_dimensional_curves.at(i) =
registry->ObjCreate("B_SPLINE_CURVE");
+ three_dimensional_curves.at(i) =
registry->ObjCreate("B_SPLINE_CURVE_WITH_KNOTS");
SdaiB_spline_curve *curr_curve =
(SdaiB_spline_curve *)three_dimensional_curves.at(i);
curr_curve->degree_(n_curve->Degree());
ON_NurbsCurveCV_to_EntityAggregate(n_curve,
curr_curve, registry, instance_list);
+ SdaiB_spline_curve_with_knots *curve_knots =
(SdaiB_spline_curve_with_knots *)three_dimensional_curves.at(i);
+ ON_NurbsCurveKnots_to_Aggregates(n_curve,
curve_knots);
}
instance_list->Append(three_dimensional_curves.at(i),
completeSE);
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