add vcglib

vcglib/wrap/io_trimesh/export_iv.h

@@ -0,0 +1,78 @@
+/****************************************************************************
+* 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.                                                         *
+*                                                                           *
+****************************************************************************/
+
+
+
+/** Function to save in Inventor format file.
+	@param filename Name of the new inventor file
+*/
+void Save_Iv(const char * filename) 
+{
+  FILE *fp;
+  fp = fopen(filename,"wb");
+  fprintf(fp,"#Inventor V2.1 ascii \n" );
+  fprintf(fp," \n" );
+  fprintf(fp,"Separator { \n " );
+  fprintf(fp,"ShapeHints {\n");
+  fprintf(fp,"vertexOrdering  COUNTERCLOCKWISE\n");
+  fprintf(fp,"shapeType       UNKNOWN_SHAPE_TYPE\n");
+  fprintf(fp,"}\n");
+  fprintf(fp,"MaterialBinding {\n");
+  fprintf(fp,"  value PER_FACE\n");
+  fprintf(fp,"}\n");
+  fprintf(fp,"Material{\n");
+  fprintf(fp,"  diffuseColor [\n");
+  fprintf(fp,"  ]\n");
+  fprintf(fp,"}\n");
+  
+  fprintf(fp,"Coordinate3 { \n " );
+  fprintf(fp,"point [  " );
+
+	face_iterator fi;
+	vertex_iterator vi;
+	map<vertex_pointer,int> index;
+	int ind;
+	for(ind=0,vi=vert.begin(); vi!=vert.end(); ++vi,++ind)
+	{
+		fprintf(fp,"%f%s",(*vi).P()[0]," " );
+    fprintf(fp,"%f%s",(*vi).P()[1]," " );
+		fprintf(fp,"%f%s",(*vi).P()[2],",\n");
+		index[&*vi] = ind;
+	}
+  fprintf(fp," ] \n" );
+  fprintf(fp,"} \n" ); 
+
+  fprintf(fp,"IndexedFaceSet { \n" );
+  fprintf(fp,"coordIndex [ " );
+  for (fi=face.begin(); fi!=face.end(); ++fi)
+  {
+		for (int j = 0; j < 3; j++)
+			fprintf(fp,"%i%s",index[(*fi).V(j)],", ");
+		fprintf(fp,"%s","-1, \n");
+	}
+  fprintf(fp," ] \n" );
+  fprintf(fp," } \n" );
+  fprintf(fp," } \n" );
+
+  fclose(fp);
+}