From 98cc5ee0280cf05a34d0c003c35cdd4265b2e5ee Mon Sep 17 00:00:00 2001
From: cignoni <paolo.cignoni@isti.cnr.it>
Date: Tue, 18 Oct 2011 00:02:12 +0000
Subject: [PATCH] Added minimal example of disk parametrization.

---
 .../trimesh_diskparam/trimesh_diskparam.cpp   | 86 +++++++++++++++++++
 .../trimesh_diskparam/trimesh_diskparam.pro   | 13 +++
 2 files changed, 99 insertions(+)
 create mode 100644 apps/sample/trimesh_diskparam/trimesh_diskparam.cpp
 create mode 100644 apps/sample/trimesh_diskparam/trimesh_diskparam.pro

diff --git a/apps/sample/trimesh_diskparam/trimesh_diskparam.cpp b/apps/sample/trimesh_diskparam/trimesh_diskparam.cpp
new file mode 100644
index 00000000..7333bd42
--- /dev/null
+++ b/apps/sample/trimesh_diskparam/trimesh_diskparam.cpp
@@ -0,0 +1,86 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2009                                           \/)\/    *
+* 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/simplex/vertex/base.h>
+#include<vcg/simplex/vertex/component.h>
+
+#include <vcg/complex/used_types.h>
+
+#include<vcg/simplex/face/base.h>
+#include<vcg/simplex/face/component.h>
+#include<vcg/complex/complex.h>
+#include<vcg/complex/algorithms/create/platonic.h>
+#include<vcg/complex/algorithms/parametrization/poisson_solver.h>
+#include<vcg/complex/algorithms/update/texture.h>
+#include<wrap/io_trimesh/import_ply.h>
+#include<wrap/io_trimesh/export_ply.h>
+
+using namespace vcg;
+using namespace std;
+
+class MyEdge;
+class MyFace;
+class MyVertex;
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>   ::AsVertexType,
+                                        Use<MyEdge>     ::AsEdgeType,
+                                        Use<MyFace>     ::AsFaceType>{};
+
+class MyVertex  : public Vertex<MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::TexCoord2f, vertex::BitFlags  >{};
+class MyFace    : public Face< MyUsedTypes, face::VertexRef, face::BitFlags, face::FFAdj , face::WedgeTexCoord2f> {};
+class MyEdge    : public Edge<MyUsedTypes>{};
+class MyMesh    : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge>  > {};
+
+
+int main( int argc, char **argv )
+{
+  MyMesh m;
+  if(argc < 2 ) return -1;
+
+  printf("Reading %s\n",argv[1]);
+  int ret= tri::io::ImporterPLY<MyMesh>::Open(m,argv[1]);
+  if(ret!=0)
+  {
+    printf("Unable to open %s for '%s'\n",argv[1],tri::io::ImporterPLY<MyMesh>::ErrorMsg(ret));
+    return -1;
+  }
+
+  printf("Mesh has %i vn %i fn\n",m.vn,m.fn);
+  tri::PoissonSolver<MyMesh> PS(m);
+
+  if(!PS.IsFeaseable())
+  {
+    printf("mesh is not homeomorphic to a disk\n");
+    return -1;
+  } else
+    printf("OK - mesh is homeomorphic to a disk\n");
+
+  PS.Init();
+  PS.SetBorderAsFixed();
+  PS.FixDefaultVertices();
+  PS.SolvePoisson(true);
+
+  tri::UpdateTexture<MyMesh>::WedgeTexFromVertexTex(m);
+  tri::io::ExporterPLY<MyMesh>::Save(m,"pippo.ply",tri::io::Mask::IOM_WEDGTEXCOORD);
+
+  return 0;
+}
diff --git a/apps/sample/trimesh_diskparam/trimesh_diskparam.pro b/apps/sample/trimesh_diskparam/trimesh_diskparam.pro
new file mode 100644
index 00000000..966c1d09
--- /dev/null
+++ b/apps/sample/trimesh_diskparam/trimesh_diskparam.pro
@@ -0,0 +1,13 @@
+#DEFINES += VCG_USE_EIGEN
+
+TARGET = trimesh_diskparam
+DEPENDPATH += . ../../..
+
+INCLUDEPATH += . ../../..
+
+CONFIG += console stl
+TEMPLATE = app
+SOURCES += trimesh_diskparam.cpp ../../../wrap/ply/plylib.cpp
+
+# Mac specific Config required to avoid to make application bundles
+CONFIG -= app_bundle