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107 bj 1 
#include <iostream>
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#include "CGLA/Vec3f.h"
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#include "HMeshUtil/quadric_simplify.h"
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#include "HMeshUtil/x3d_save.h"
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#include "HMeshUtil/x3d_load.h"
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#include "HMeshUtil/caps_and_needles.h"
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using namespace std;
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using namespace CGLA;
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using namespace HMeshUtil;
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using namespace HMesh;
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int main(int argc, char** argv)
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{
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    Manifold m;
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		if(argc>1)
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			x3d_load(argv[1], m);
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		else
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			x3d_load("../../data/small.x3d", m);
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    Vec3f p0, p7;
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    m.get_bbox(p0, p7);
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    Vec3f d = p7-p0;
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    float s = 1.0/d.max_coord();
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    cout << p0 << p7 << d << s << endl;
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    for(VertexIter vi = m.vertices_begin(); vi != m.vertices_end(); ++vi)
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    {
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				vi->pos = (vi->pos - p0) * s;
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    }
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    cout << "Perform quadric based simplification ... " << endl;
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    if(argc>2)
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			quadric_simplify(m,atoi(argv[2]));
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		else
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			quadric_simplify(m,1500);
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    cout << "Removing caps and needles ... " << endl;
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    remove_caps_from_trimesh(m, M_PI * 0.85);
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    remove_needles_from_trimesh(m, 1e-4);
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    cout << "Validity: " << m.is_valid() << endl;
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    cout << "Now saving ... " << endl;
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    x3d_save("../../data/decimated.x3d", m);
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}