add vcglib

vcglib/apps/sample/trimesh_ball_pivoting/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.13)
+project(trimesh_ball_pivoting)
+
+if (VCG_HEADER_ONLY)
+	set(SOURCES
+		trimesh_ball_pivoting.cpp
+		${VCG_INCLUDE_DIRS}/wrap/ply/plylib.cpp)
+endif()
+
+add_executable(trimesh_ball_pivoting
+	${SOURCES})
+
+target_link_libraries(
+	trimesh_ball_pivoting
+	PUBLIC
+		vcglib
+	)

vcglib/apps/sample/trimesh_ball_pivoting/trimesh_ball_pivoting.cpp

@@ -0,0 +1,108 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2016                                           \/)\/    *
+* 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/complex/algorithms/create/ball_pivoting.h>
+
+// input output
+#include <wrap/io_trimesh/import_ply.h>
+#include <wrap/io_trimesh/export_ply.h>
+
+using namespace vcg;
+using namespace std;
+
+class MyFace;
+class MyVertex;
+
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>		::AsVertexType,
+                                                                                Use<MyFace>			::AsFaceType>{};
+
+class MyVertex  : public Vertex< MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::BitFlags, vertex::Mark>{};
+class MyFace    : public Face  < MyUsedTypes, face::VertexRef, face::Normal3f, face::BitFlags > {};
+class MyMesh    : public vcg::tri::TriMesh< vector<MyVertex>, vector<MyFace> > {};
+
+bool callback(int percent, const char *str) {
+  cout << "str: " << str << " " << percent << "%\n";
+  return true;
+}
+
+int  main(int argc, char **argv)
+{
+ if(argc<3)
+    {
+        printf(
+      "Usage: trimesh_ball_pivoting filein.ply fileout.ply [opt]\n"
+      "options: \n"
+      "-r <val> radius of the rolling ball\n"
+      "-c <val> clustering radius (as fraction of radius) default: 0.05\n"
+            );
+        exit(0);
+    }
+
+   float radius = 0.0f;
+   float clustering = 0.05;
+   int i = 3;
+    while(i<argc)
+        {
+            if(argv[i][0]!='-')
+                {printf("Error unable to parse option '%s'\n",argv[i]); exit(0);}
+            switch(argv[i][1])
+            {
+                case 'r' :	radius = atof(argv[++i]); printf("Using %f sphere radius\n",radius);  break;
+                case 'c' :	clustering = atof(argv[++i]); printf("Using %f clustering radius\n",clustering); break;
+
+                default : {printf("Error unable to parse option '%s'\n",argv[i]); exit(0);}
+            }
+            ++i;
+        }
+    if(radius == 0)
+      printf("Autodetecting ball radius...\n");
+
+    MyMesh m;
+
+    if(vcg::tri::io::ImporterPLY<MyMesh>::Open(m,argv[1])!=0)
+        {
+      printf("Error reading file  %s\n",argv[1]);
+            exit(0);
+        }
+  vcg::tri::UpdateBounding<MyMesh>::Box(m);
+  vcg::tri::UpdateNormal<MyMesh>::PerFace(m);
+  printf("Input mesh  vn:%i fn:%i\n",m.VN(),m.FN());
+
+  int t0=clock();
+  // Initialization
+  tri::BallPivoting<MyMesh> pivot(m, radius, clustering);
+  printf("Ball radius: %f\nClustering points withing %f radii\n", pivot.radius, clustering);
+
+  int t1=clock();
+  // the main processing
+  pivot.BuildMesh(callback);
+
+  int t2=clock();
+
+  printf("Output mesh vn:%i fn:%i\n",m.VN(),m.FN());
+  printf("Created in :%i msec (%i+%i)\n",t2-t0,t1-t0,t2-t1);
+
+  vcg::tri::io::ExporterPLY<MyMesh>::Save(m,argv[2]);
+  return 0;
+
+}

vcglib/apps/sample/trimesh_ball_pivoting/trimesh_ball_pivoting.pro

@@ -0,0 +1,3 @@
+include(../common.pri)
+TARGET = trimesh_ball_pivoting
+SOURCES += trimesh_ball_pivoting.cpp ../../../wrap/ply/plylib.cpp