vcglib/apps/sample/trimesh_isosurface/trimesh_isosurface.cpp

76 lines
3.2 KiB
C++

/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004-2012 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
#include <vcg/complex/complex.h>
#include <vcg/math/perlin_noise.h>
#include <vcg/complex/algorithms/create/marching_cubes.h>
#include <vcg/complex/algorithms/create/extended_marching_cubes.h>
#include <vcg/complex/algorithms/create/mc_trivial_walker.h>
#include <wrap/io_trimesh/export_ply.h>
using namespace std;
using namespace vcg;
typedef float ScalarType;
class MyFace;
class MyVertex;
struct MyUsedTypes : public UsedTypes< Use<MyVertex> ::AsVertexType,
Use<MyFace> ::AsFaceType>{};
class MyVertex : public Vertex< MyUsedTypes, vertex::Coord3f>{};
class MyFace : public Face< MyUsedTypes, face::VertexRef, face::BitFlags> {};
class MyMesh : public vcg::tri::TriMesh< std::vector< MyVertex>, std::vector< MyFace > > {};
typedef SimpleVolume<SimpleVoxel> MyVolume;
int main(int /*argc*/ , char /**argv[]*/)
{
MyVolume volume;
typedef vcg::tri::TrivialWalker<MyMesh,MyVolume> MyWalker;
typedef vcg::tri::MarchingCubes<MyMesh, MyWalker> MyMarchingCubes;
MyWalker walker;
// Simple initialization of the volume with some cool perlin noise
volume.Init(Point3i(64,64,64));
for(int i=0;i<64;i++)
for(int j=0;j<64;j++)
for(int k=0;k<64;k++)
volume.Val(i,j,k)=(j-32)*(j-32)+(k-32)*(k-32) + i*10*(float)math::Perlin::Noise(i*.2,j*.2,k*.2);
// MARCHING CUBES
MyMesh mc_mesh;
printf("[MARCHING CUBES] Building mesh...");
MyMarchingCubes mc(mc_mesh, walker);
walker.BuildMesh<MyMarchingCubes>(mc_mesh, volume, mc, 20*20);
vcg::tri::io::ExporterPLY<MyMesh>::Save( mc_mesh, "marching_cubes.ply");
printf("OK!\n");
};