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remove parallel processing, replace mesh generation with getting facets

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This commit is contained in:
Eric Trombly
2020-03-30 11:18:36 -05:00
parent 3f36f55853
commit fbc266c158
4 changed files with 122 additions and 133 deletions
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48
src/Mod/Path/App/AppPathPy.cpp
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@@ -44,6 +44,7 @@
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopExp_Explorer.hxx>
@@ -53,6 +54,7 @@
#include <BRepAdaptor_HCompCurve.hxx>
#include <Approx_Curve3d.hxx>
#include <BRepAdaptor_HCurve.hxx>
#include <BRepMesh_IncrementalMesh.hxx>
#include "CommandPy.h"
#include "PathPy.h"
@@ -103,6 +105,9 @@ public:
Module() : Py::ExtensionModule<Module>("Path")
{
add_varargs_method("getFacets",&Module::getFacets,
"getFacets(shape): simplified mesh generation"
);
add_varargs_method("write",&Module::write,
"write(object,filename): Exports a given path object to a GCode file"
);
@@ -142,6 +147,49 @@ public:
private:
Py::Object getFacets(const Py::Tuple& args)
{
PyObject *shape;
PyObject *list = PyList_New(0);
if (!PyArg_ParseTuple(args.ptr(), "O", &shape))
throw Py::Exception();
auto theShape = static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->getShape();
for(TopExp_Explorer ex(theShape, TopAbs_FACE); ex.More(); ex.Next())
{
TopoDS_Face currentFace = TopoDS::Face(ex.Current());
TopLoc_Location loc;
Handle(Poly_Triangulation) facets = BRep_Tool::Triangulation(currentFace, loc);
const TopAbs_Orientation anOrientation = currentFace.Orientation();
bool flip = (anOrientation == TopAbs_REVERSED);
if(!facets.IsNull()){
auto nodes = facets->Nodes();
auto triangles = facets->Triangles();
for(int i = 1; i <= triangles.Length(); i++){
Standard_Integer n1,n2,n3;
triangles[i].Get(n1, n2, n3);
gp_Pnt p1 = nodes[n1];
gp_Pnt p2 = nodes[n2];
gp_Pnt p3 = nodes[n3];
p1.Transform(loc.Transformation());
p2.Transform(loc.Transformation());
p3.Transform(loc.Transformation());
PyObject *t1 = PyTuple_Pack(3, PyFloat_FromDouble(p1.X()), PyFloat_FromDouble(p1.Y()), PyFloat_FromDouble(p1.Z()));
PyObject *t2 = PyTuple_Pack(3, PyFloat_FromDouble(p2.X()), PyFloat_FromDouble(p2.Y()), PyFloat_FromDouble(p2.Z()));
PyObject *t3 = PyTuple_Pack(3, PyFloat_FromDouble(p3.X()), PyFloat_FromDouble(p3.Y()), PyFloat_FromDouble(p3.Z()));
PyObject *points;
if(flip)
{
points = PyTuple_Pack(3, t2, t1, t3);
} else {
points = PyTuple_Pack(3, t1, t2, t3);
}
PyList_Append(list, points);
}
}
}
return Py::asObject(list);
}
Py::Object write(const Py::Tuple& args)
{
char* Name;