Revision: 56676
http://sourceforge.net/p/brlcad/code/56676
Author: starseeker
Date: 2013-08-07 18:40:18 +0000 (Wed, 07 Aug 2013)
Log Message:
-----------
Output a 3D line
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 2013-08-07 17:47:53 UTC (rev
56675)
+++ brlcad/trunk/src/conv/step/ON_Brep.cpp 2013-08-07 18:40:18 UTC (rev
56676)
@@ -59,7 +59,35 @@
#include "STEPEntity.h"
+void
+ON_3dPoint_to_Cartesian_point(ON_3dPoint *inpnt, SdaiCartesian_point
*step_pnt) {
+ RealAggregate_ptr coord_vals = step_pnt->coordinates_();
+ RealNode *xnode = new RealNode();
+ xnode->value = inpnt->x;
+ coord_vals->AddNode(xnode);
+ RealNode *ynode = new RealNode();
+ ynode->value = inpnt->y;
+ coord_vals->AddNode(ynode);
+ RealNode *znode = new RealNode();
+ znode->value = inpnt->z;
+ coord_vals->AddNode(znode);
+}
+void
+ON_3dVector_to_Direction(ON_3dVector *invect, SdaiDirection *step_direction) {
+ invect->Unitize();
+ RealAggregate_ptr coord_vals = step_direction->direction_ratios_();
+ RealNode *xnode = new RealNode();
+ xnode->value = invect->x;
+ coord_vals->AddNode(xnode);
+ RealNode *ynode = new RealNode();
+ ynode->value = invect->y;
+ coord_vals->AddNode(ynode);
+ RealNode *znode = new RealNode();
+ znode->value = invect->z;
+ coord_vals->AddNode(znode);
+}
+
bool ON_BRep_to_STEP(ON_Brep *brep, Registry *registry, InstMgr *instance_list)
{
std::vector<STEPentity *> cartesian_pnts;
@@ -91,51 +119,60 @@
// Cartesian points (actual 3D geometry)
cartesian_pnts.at(i) = registry->ObjCreate("CARTESIAN_POINT");
instance_list->Append(cartesian_pnts.at(i), completeSE);
- RealAggregate_ptr coord_vals = ((SdaiCartesian_point
*)cartesian_pnts.at(i))->coordinates_();
- RealNode *xnode = new RealNode();
- xnode->value = brep->m_V[i].Point().x;
- coord_vals->AddNode(xnode);
- RealNode *ynode = new RealNode();
- ynode->value = brep->m_V[i].Point().y;
- coord_vals->AddNode(ynode);
- RealNode *znode = new RealNode();
- znode->value = brep->m_V[i].Point().z;
- coord_vals->AddNode(znode);
+ ON_3dPoint v_pnt = brep->m_V[i].Point();
+ ON_3dPoint_to_Cartesian_point(&(v_pnt), (SdaiCartesian_point
*)cartesian_pnts.at(i));
// Vertex points (topological, references actual 3D geometry)
vertex_pnts.at(i) = registry->ObjCreate("VERTEX_POINT");
- ((SdaiVertex_point
*)vertex_pnts.at(i))->vertex_geometry_((const SdaiPoint_ptr)vertex_pnts.at(i));
+ ((SdaiVertex_point
*)vertex_pnts.at(i))->vertex_geometry_((const
SdaiPoint_ptr)cartesian_pnts.at(i));
instance_list->Append(vertex_pnts.at(i), completeSE);
}
-#if 0
+
// 3D curves
for (int i = 0; i < brep->m_C3.Count(); ++i) {
int curve_converted = 0;
ON_Curve* curve = brep->m_C3[i];
/* Supported curve types */
ON_ArcCurve *a_curve = ON_ArcCurve::Cast(curve);
- ON_BezierCurve *b_curve = ON_BezierCurve::Cast(curve);
ON_LineCurve *l_curve = ON_LineCurve::Cast(curve);
ON_NurbsCurve *n_curve = ON_NurbsCurve::Cast(curve);
- ON_PolyLineCurve *pl_curve = ON_PolyLineCurve::Cast(curve);
ON_PolyCurve *p_curve = ON_PolyCurve::Cast(curve);
if (a_curve && !curve_converted) {
+ std::cout << "Have ArcCurve\n";
}
if (l_curve && !curve_converted) {
+ std::cout << "Have LineCurve\n";
+ ON_Line *m_line = &(l_curve->m_line);
+ /* In STEP, a line consists of a cartesian point and a
3D vector. Since
+ * it does not appear that OpenNURBS data structures
reference m_V points
+ * for these constructs, create our own */
+ three_dimensional_curves.at(i) =
registry->ObjCreate("LINE");
+ SdaiLine *curr_line = (SdaiLine
*)three_dimensional_curves.at(i);
+ curr_line->pnt_((SdaiCartesian_point
*)registry->ObjCreate("CARTESIAN_POINT"));
+ ON_3dPoint_to_Cartesian_point(&(m_line->from),
curr_line->pnt_());
+ curr_line->dir_((SdaiVector
*)registry->ObjCreate("VECTOR"));
+ SdaiVector *curr_dir = curr_line->dir_();
+ curr_dir->orientation_((SdaiDirection
*)registry->ObjCreate("DIRECTION"));
+ ON_3dVector on_dir = m_line->Direction();
+ ON_3dVector_to_Direction(&(on_dir),
curr_line->dir_()->orientation_());
+ curr_line->dir_()->magnitude_(m_line->Length());
+ instance_list->Append(curr_line->pnt_(), completeSE);
+ instance_list->Append(curr_dir->orientation_(),
completeSE);
+ instance_list->Append(curr_line->dir_(), completeSE);
+ instance_list->Append(three_dimensional_curves.at(i),
completeSE);
}
if (p_curve && !curve_converted) {
+ std::cout << "Have PolyCurve\n";
}
- if (pl_curve && !curve_converted) {
- }
- if (b_curve && !curve_converted) {
- }
if (n_curve && !curve_converted) {
+ std::cout << "Have NurbsCurve\n";
+ //MakePiecewiseBezier
}
/* Whatever this is, if it's not a supported type and it does
have
* a NURBS form, use that */
}
-#endif
+
return true;
}
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