diff --git a/src/Mod/Raytracing/App/AppRaytracingPy.cpp b/src/Mod/Raytracing/App/AppRaytracingPy.cpp
index 050cc0e8d7..8891db4885 100644
--- a/src/Mod/Raytracing/App/AppRaytracingPy.cpp
+++ b/src/Mod/Raytracing/App/AppRaytracingPy.cpp
@@ -29,6 +29,7 @@
#include
#include "PovTools.h"
+#include "LuxTools.h"
// automatically generated.....
#include "FreeCADpov.h"
@@ -92,6 +93,32 @@ getPartAsPovray(PyObject *self, PyObject *args)
return Py::new_reference_to(Py::String(out.str()));
}
+/// get part as lux string
+static PyObject *
+getPartAsLux(PyObject *self, PyObject *args)
+{
+ float r=0.5,g=0.5,b=0.5;
+ PyObject *ShapeObject;
+ const char *PartName;
+ if (! PyArg_ParseTuple(args, "sO!|fff",&PartName,
+ &(Part::TopoShapePy::Type), &ShapeObject,&r,&g,&b))
+ return NULL;
+
+ std::stringstream out;
+ TopoDS_Shape &aShape = static_cast(ShapeObject)->getTopoShapePtr()->_Shape;
+
+ // write a material entry
+ // This must not be done in PovTools::writeShape!
+ out << "MakeNamedMaterial \"FreeCADMaterial_" << PartName << "\"" << endl;
+ out << " \"color Kd\" [" << r << " " << g << " " << b << "]" << endl;
+ out << " \"float sigma\" [0.000000000000000]" << endl;
+ out << " \"string type\" [\"matte\"]" << endl << endl;
+
+ LuxTools::writeShape(out,PartName,aShape,(float)0.1);
+
+ return Py::new_reference_to(Py::String(out.str()));
+}
+
/// write part file
static PyObject *
writePartFile(PyObject *self, PyObject *args)
@@ -218,6 +245,7 @@ struct PyMethodDef Raytracing_methods[] = {
{"writePartFile", writePartFile , 1},
{"writePartFileCSV", writePartFileCSV, 1},
{"getPartAsPovray", getPartAsPovray , 1},
+ {"getPartAsLux", getPartAsLux , 1},
{"writeDataFile", writeDataFile , 1},
{"writeCameraFile", writeCameraFile , 1},
{"copyResource", copyResource , 1},
diff --git a/src/Mod/Raytracing/App/LuxTools.cpp b/src/Mod/Raytracing/App/LuxTools.cpp
index 402bb978b7..22eef40480 100644
--- a/src/Mod/Raytracing/App/LuxTools.cpp
+++ b/src/Mod/Raytracing/App/LuxTools.cpp
@@ -63,3 +63,75 @@ std::string LuxTools::getCamera(const CamDef& Cam)
return out.str();
}
+
+void LuxTools::writeShape(std::ostream &out, const char *PartName, const TopoDS_Shape& Shape, float fMeshDeviation)
+{
+ Base::Console().Log("Meshing with Deviation: %f\n",fMeshDeviation);
+
+ TopExp_Explorer ex;
+ BRepMesh_IncrementalMesh MESH(Shape,fMeshDeviation);
+
+ // counting faces and start sequencer
+ int l = 1;
+ for (ex.Init(Shape, TopAbs_FACE); ex.More(); ex.Next(),l++) {}
+ Base::SequencerLauncher seq("Writing file", l);
+
+ // write object
+ out << "AttributeBegin # \"" << PartName << "\"" << endl;
+ out << "Transform [1.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 1.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 1.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 1.000000000000000]" << endl;
+ out << "NamedMaterial \"FreeCADMaterial_" << PartName << "\"" << endl;
+ out << "Shape \"mesh\"" << endl;
+
+ // gather vertices, normals and face indices
+ std::stringstream triindices;
+ std::stringstream N;
+ std::stringstream P;
+ l = 1;
+ int vi = 0;
+ for (ex.Init(Shape, TopAbs_FACE); ex.More(); ex.Next(),l++) {
+
+ // get the shape and mesh it
+ const TopoDS_Face& aFace = TopoDS::Face(ex.Current());
+
+ // this block mesh the face and transfers it in a C array of vertices and face indexes
+ Standard_Integer nbNodesInFace,nbTriInFace;
+ gp_Vec* vertices=0;
+ gp_Vec* vertexnormals=0;
+ long* cons=0;
+
+ PovTools::transferToArray(aFace,&vertices,&vertexnormals,&cons,nbNodesInFace,nbTriInFace);
+
+ if (!vertices) break;
+ // writing vertices
+ for (int i=0; i < nbNodesInFace; i++) {
+ P << vertices[i].X() << " " << vertices[i].Z() << " " << vertices[i].Y() << " ";
+ }
+
+ // writing per vertex normals
+ for (int j=0; j < nbNodesInFace; j++) {
+ N << vertexnormals[j].X() << " " << vertexnormals[j].Z() << " " << vertexnormals[j].Y() << " ";
+ }
+
+ // writing triangle indices
+ for (int k=0; k < nbTriInFace; k++) {
+ triindices << cons[3*k]+vi << " " << cons[3*k+2]+vi << " " << cons[3*k+1]+vi << " ";
+ }
+
+ vi = vi + nbNodesInFace;
+
+ delete [] vertexnormals;
+ delete [] vertices;
+ delete [] cons;
+
+ seq.next();
+
+ } // end of face loop
+
+ // write mesh data
+ out << " \"integer triindices\" [" << triindices.str() << "]" << endl;
+ out << " \"point P\" [" << P.str() << "]" << endl;
+ out << " \"normal N\" [" << N.str() << "]" << endl;
+ out << " \"bool generatetangents\" [\"false\"]" << endl;
+ out << " \"string name\" [\"" << PartName << "\"]" << endl;
+ out << "AttributeEnd # \"\"" << endl;
+}
diff --git a/src/Mod/Raytracing/App/LuxTools.h b/src/Mod/Raytracing/App/LuxTools.h
index 5064da9ad8..d00cae657d 100644
--- a/src/Mod/Raytracing/App/LuxTools.h
+++ b/src/Mod/Raytracing/App/LuxTools.h
@@ -37,9 +37,11 @@ namespace Raytracing
class AppRaytracingExport LuxTools
{
public:
- /// returns the given camera position as povray defines in a file
+ /// returns the given camera position as luxray defines
static std::string getCamera(const CamDef& Cam);
+ /// returns the given shape as luxrender material + shape data
+ static void writeShape(std::ostream &out, const char *PartName, const TopoDS_Shape& Shape, float fMeshDeviation=0.1);
};
} // namespace Raytracing
-#endif // _PovTools_h_
+#endif // _LuxTools_h_