meshing/lods/main.cxx

Refer to the Level of Details (LOD's) Example.

// ****************************************************************************
// $Id$
//
//
// This file is part of the CAD Exchanger software.
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#include <iostream>
using namespace std;
static int NumberOfTriangles (const ModelData_PolyRepresentation& thePoly)
{
int trianglesNb = 0;
const ModelData_PolyShapeList& aList = thePoly.Get();
for (size_t i = 0; i < aList.Size (); ++i) {
const ModelData_PolyVertexSet& aPVS = aList[i];
const ModelData_IndexedTriangleSet& anITS = static_cast<const ModelData_IndexedTriangleSet&> (aPVS);
trianglesNb += anITS.NumberOfFaces();
}
}
return trianglesNb;
}
static ModelData_BRepRepresentation CreateSphereBRep (ModelData_Point thePosition, double theRadius)
{
ModelData_Solid aSphere = ModelAlgo_TopoPrimitives::CreateSphere (thePosition, theRadius);
ModelData_Body aBody = ModelData_Body::Create (aSphere);
return aBRep;
}
void AddPolyToPart (ModelData_Part& thePart,
{
ModelAlgo_BRepMesher aMesher (aParam);
ModelData_PolyRepresentation aPoly = aMesher.Compute (aBRep);
cout << "A polygonal representation with " << NumberOfTriangles (aPoly) << " triangles has been added." << endl;
}
int main()
{
auto aKey = LicenseKey::Value();
// Activate the license (aKey must be defined in cadex_license.cxx)
cerr << "Failed to activate CAD Exchanger license." << endl;
return 1;
}
ModelData_BRepRepresentation aBRep = CreateSphereBRep (ModelData_Point (0., 0., 0.), 10.);
ModelData_Part aPart (aBRep, "Sphere");
// Save the result
if (!aModel.Save ("SphereWithLODs.xml")) {
cout << "Unable to save the model!" << endl;
return 1;
}
return 0;
}