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440 jab 1 
/*
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 *  load.cpp
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 *  GEL
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 *
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 *  Created by J. Andreas Bærentzen on 08/03/09.
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 *  Copyright 2009 __MyCompanyName__. All rights reserved.
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 *
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 */
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#include "load.h"
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#include "obj_load.h"
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#include "ply_load.h"
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#include "HMesh/x3d_load.h"
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#include "HMesh/FaceCirculator.h"
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#include "CGLA/Vec3i.h"
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using namespace std;
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using namespace CGLA;
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using namespace HMesh;
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namespace Geometry
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{
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	void load(const string& fn, TriMesh &mesh)
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	{
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		if(fn.substr(fn.length()-4,fn.length())==".obj")
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		{
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			obj_load(fn, mesh);
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		}
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		else if(fn.substr(fn.length()-4,fn.length())==".ply")
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		{
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			ply_load(fn, mesh);
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		}
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		else if(fn.substr(fn.length()-4,fn.length())==".x3d")
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		{
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			Manifold m;
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			x3d_load(fn, m);
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			for(VertexIter v=m.vertices_begin(); v != m.vertices_end();++v)
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				v->touched = mesh.geometry.add_vertex(v->pos);
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			for(FaceIter f = m.faces_begin(); f!= m.faces_end(); ++f)
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			{
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				Vec3i face;
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				int i=0;
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				for(FaceCirculator fc(f); !fc.end(); ++fc,++i)
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				{
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					if(i<2)
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						face[i] = fc.get_vertex()->touched;
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					else
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					{
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						face[2] = fc.get_vertex()->touched;
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						mesh.geometry.add_face(face);
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						face[1] = face[2];
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					}
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				}
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			}
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		}
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		else
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		{
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			cout << "Either the format was unrecognized or the file did not have the appropriate extension" << endl;
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			exit(0);
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		}
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	}
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}
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