Revision: 51709
http://brlcad.svn.sourceforge.net/brlcad/?rev=51709&view=rev
Author: phoenixyjll
Date: 2012-07-30 08:15:19 +0000 (Mon, 30 Jul 2012)
Log Message:
-----------
Plot the 2D trimming polyline curves better.
Modified Paths:
--------------
brlcad/trunk/src/librt/primitives/brep/brep_debug.cpp
Modified: brlcad/trunk/src/librt/primitives/brep/brep_debug.cpp
===================================================================
--- brlcad/trunk/src/librt/primitives/brep/brep_debug.cpp 2012-07-29
23:52:46 UTC (rev 51708)
+++ brlcad/trunk/src/librt/primitives/brep/brep_debug.cpp 2012-07-30
08:15:19 UTC (rev 51709)
@@ -699,6 +699,36 @@
}
+void plotcurveonsurface(ON_Curve *curve,
+ ON_Surface *surface,
+ struct bn_vlblock *vbp,
+ int plotres,
+ const int red = 255,
+ const int green = 255,
+ const int blue = 0)
+{
+ if (curve->Dimension() != 2)
+ return;
+ register struct bu_list *vhead;
+ vhead = rt_vlblock_find(vbp, red, green, blue);
+
+ for (int i = 0; i <= plotres; i++) {
+ ON_2dPoint pt2d;
+ ON_3dPoint pt3d;
+ ON_3dPoint pt1, pt2;
+ pt2d = curve->PointAt(curve->Domain().ParameterAt((double)i/plotres));
+ pt3d = surface->PointAt(pt2d.x, pt2d.y);
+ pt1 = pt2;
+ pt2 = pt3d;
+ if (i != 0) {
+ RT_ADD_VLIST(vhead, pt1, BN_VLIST_LINE_MOVE);
+ RT_ADD_VLIST(vhead, pt2, BN_VLIST_LINE_DRAW);
+ }
+ }
+ return;
+}
+
+
void
plottrim(const ON_Curve &curve, double from, double to)
{
@@ -2552,7 +2582,8 @@
}
-int brep_intersect(struct rt_db_internal *intern1, struct rt_db_internal
*intern2, int i, int j, struct bn_vlblock *vbp, double max_dis) {
+int brep_intersect(struct rt_db_internal *intern1, struct rt_db_internal
*intern2, int i, int j, struct bn_vlblock *vbp, double max_dis)
+{
RT_CK_DB_INTERNAL(intern1);
RT_CK_DB_INTERNAL(intern2);
struct rt_brep_internal *bi1, *bi2;
@@ -2594,29 +2625,11 @@
/* plot the returned 2d curves in UV parameter spaces */
for (int k = 0; k < curve_uv.Count(); k++) {
- ON_3dPointArray ptarray3d;
- for (int l = 0; l < 1000; l++) {
- ON_3dPoint pt2d =
curve_uv[k]->PointAt(curve_uv[k]->Domain().ParameterAt(l/1000.0));
- ON_3dPoint pt3d = surf1.PointAt(pt2d.x, pt2d.y);
- ptarray3d.Append(ON_3dPoint(pt3d));
- }
- ON_PolylineCurve polycurve(ptarray3d);
- ON_NurbsCurve nurbscurve;
- polycurve.GetNurbForm(nurbscurve);
- plotcurve(nurbscurve, vbp, 1000, PEACH);
+ plotcurveonsurface(curve_uv[k], &surf1, vbp, curve_uv[k]->KnotCount() -
1, PEACH);
delete curve_uv[k];
}
for (int k = 0; k < curve_st.Count(); k++) {
- ON_3dPointArray ptarray3d;
- for (int l = 0; l < 1000; l++) {
- ON_3dPoint pt2d =
curve_st[k]->PointAt(curve_st[k]->Domain().ParameterAt(l/1000.0));
- ON_3dPoint pt3d = surf2.PointAt(pt2d.x, pt2d.y);
- ptarray3d.Append(ON_3dPoint(pt3d));
- }
- ON_PolylineCurve polycurve(ptarray3d);
- ON_NurbsCurve nurbscurve;
- polycurve.GetNurbForm(nurbscurve);
- plotcurve(nurbscurve, vbp, 1000, DARKVIOLET);
+ plotcurveonsurface(curve_st[k], &surf2, vbp, curve_st[k]->KnotCount() -
1, DARKVIOLET);
delete curve_st[k];
}
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