Merge branch 'master' of github.com:libigl/libigl

Former-commit-id: dad96b289633869cb6d7175e85b08305818a0b54

README.md

@@ -150,6 +150,7 @@ BibTeX entry:
  - EPF Lausanne, [Computer Graphics and Geometry Laboratory](http://lgg.epfl.ch/people.php), Switzerland
  - ETH Zurich, [Interactive Geometry Lab](http://igl.ethz.ch/) and [Advanced Technologies Lab](http://ait.inf.ethz.ch/), Swizterland
  - George Mason University, [CraGL](http://cs.gmu.edu/~ygingold/), USA
+ - [Hong Kong University of Science and Technology](http://www.ust.hk/), USA
  - NYUPoly, [Game Innovation Lab](http://game.engineering.nyu.edu/), USA
  - New York University, [Media Research Lab](http://mrl.nyu.edu/), USA
  - [Cornell University](http://www.graphics.cornell.edu/), USA

examples/quicklook-mesh/Makefile

@@ -28,6 +28,8 @@ MESA_LIB=-L$(MESA)/lib -lOSMesa -lGL
 OBJC_LIB=-lobjc
 
 all: obj Mesh.qlgenerator
+deploy:
+	dylibbundler -od -b -x ./Mesh.qlgenerator/Contents/MacOS/Mesh -d ./Mesh.qlgenerator/Contents/libs -p @loader_path/../libs/
 install:
 	rm -rf /Library/QuickLook/Mesh.qlgenerator
 	cp -R Mesh.qlgenerator /Library/QuickLook/Mesh.qlgenerator

include/igl/boundary_facets.cpp

@@ -132,6 +132,8 @@ Ret igl::boundary_facets(
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
 // generated by autoexplicit.sh
+template void igl::boundary_facets<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >&);
+// generated by autoexplicit.sh
 template void igl::boundary_facets<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 3, 0, -1, 3> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
 template void igl::boundary_facets<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
 template void igl::boundary_facets<int, int>(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >&);

include/igl/create_shader_program.cpp

@@ -14,6 +14,7 @@
 #include <cstdio>
 
 IGL_INLINE bool igl::create_shader_program(
+  const std::string & geom_source,
   const std::string & vert_source,
   const std::string & frag_source,
   const std::map<std::string,GLuint> & attrib,
@@ -36,6 +37,18 @@ IGL_INLINE bool igl::create_shader_program(
     return false;
   }
 
+  if(geom_source != "")
+  {
+    // load vertex shader
+    GLuint g = igl::load_shader(geom_source.c_str(),GL_GEOMETRY_SHADER_EXT);
+    if(g == 0)
+    {
+      cerr<<"geometry shader failed to compile."<<endl;
+      return false;
+    }
+    glAttachShader(id,g);
+  }
+
   if(vert_source != "")
   {
     // load vertex shader
@@ -80,6 +93,27 @@ IGL_INLINE bool igl::create_shader_program(
   return true;
 }
 
+IGL_INLINE bool igl::create_shader_program(
+  const std::string & vert_source,
+  const std::string & frag_source,
+  const std::map<std::string,GLuint> & attrib,
+  GLuint & prog_id)
+{
+  return create_shader_program("",vert_source,frag_source,attrib,prog_id);
+}
+
+
+IGL_INLINE GLuint igl::create_shader_program(
+  const std::string & geom_source,
+  const std::string & vert_source,
+  const std::string & frag_source,
+  const std::map<std::string,GLuint> & attrib)
+{
+  GLuint prog_id = 0;
+  create_shader_program(geom_source,vert_source,frag_source,attrib,prog_id);
+  return prog_id;
+}
+
 IGL_INLINE GLuint igl::create_shader_program(
   const std::string & vert_source,
   const std::string & frag_source,
@@ -89,4 +123,5 @@ IGL_INLINE GLuint igl::create_shader_program(
   create_shader_program(vert_source,frag_source,attrib,prog_id);
   return prog_id;
 }
+
 #endif

include/igl/create_shader_program.h

@@ -21,6 +21,8 @@ namespace igl
   // source strings and vertex attributes assigned from a map before linking the
   // shaders to the program, making it ready to use with glUseProgram(id)
   // Inputs:
+  //   geom_source  string containing source code of geometry shader (can be
+  //     "" to mean use default pass-through)
   //   vert_source  string containing source code of vertex shader
   //   frag_source  string containing source code of fragment shader
   //   attrib  map containing table of vertex attribute strings add their
@@ -34,10 +36,21 @@ namespace igl
   //
   // See also: destroy_shader_program
   IGL_INLINE bool create_shader_program(
+    const std::string &geom_source,
     const std::string &vert_source,
     const std::string &frag_source,
     const std::map<std::string,GLuint> &attrib,
     GLuint & id);
+  IGL_INLINE bool create_shader_program(
+    const std::string &vert_source,
+    const std::string &frag_source,
+    const std::map<std::string,GLuint> &attrib,
+    GLuint & id);
+  IGL_INLINE GLuint create_shader_program(
+    const std::string & geom_source,
+    const std::string & vert_source,
+    const std::string & frag_source,
+    const std::map<std::string,GLuint> &attrib);
   IGL_INLINE GLuint create_shader_program(
     const std::string & vert_source,
     const std::string & frag_source,

include/igl/face_occurrences.cpp

@@ -52,5 +52,7 @@ IGL_INLINE void igl::face_occurrences(
 
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
+// generated by autoexplicit.sh
+template void igl::face_occurrences<unsigned int, int>(std::vector<std::vector<unsigned int, std::allocator<unsigned int> >, std::allocator<std::vector<unsigned int, std::allocator<unsigned int> > > > const&, std::vector<int, std::allocator<int> >&);
 template void igl::face_occurrences<int, int>(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, std::vector<int, std::allocator<int> >&);
 #endif

include/igl/is_boundary_edge.cpp

@@ -107,7 +107,7 @@ void igl::is_boundary_edge(
   // Look of occurances of 1
   for(int e = 0;e<E.rows();e++)
   {
-    B(e) = (N(EMAP(e)) == 1);
+    B(e) = N(e) == 1;
   }
 }
 

include/igl/list_to_matrix.cpp

@@ -124,6 +124,12 @@ IGL_INLINE bool igl::list_to_matrix(const std::vector<T > & V,Mat & M)
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
 // generated by autoexplicit.sh
+template bool igl::list_to_matrix<unsigned int, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> > >(std::vector<std::vector<unsigned int, std::allocator<unsigned int> >, std::allocator<std::vector<unsigned int, std::allocator<unsigned int> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >&);
+// generated by autoexplicit.sh
+template bool igl::list_to_matrix<float, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> > >(std::vector<std::vector<float, std::allocator<float> >, std::allocator<std::vector<float, std::allocator<float> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> >&);
+// generated by autoexplicit.sh
+template bool igl::list_to_matrix<double, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> > >(std::vector<std::vector<double, std::allocator<double> >, std::allocator<std::vector<double, std::allocator<double> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> >&);
+// generated by autoexplicit.sh
 template bool igl::list_to_matrix<double, Eigen::Matrix<double, -1, 1, 0, -1, 1> >(std::vector<double, std::allocator<double> > const&, Eigen::Matrix<double, -1, 1, 0, -1, 1>&);
 // generated by autoexplicit.sh
 template bool igl::list_to_matrix<int, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);

include/igl/max_size.cpp

@@ -27,6 +27,8 @@ IGL_INLINE int igl::max_size(const std::vector<T> & V)
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
 // generated by autoexplicit.sh
+template int igl::max_size<std::vector<unsigned int, std::allocator<unsigned int> > >(std::vector<std::vector<unsigned int, std::allocator<unsigned int> >, std::allocator<std::vector<unsigned int, std::allocator<unsigned int> > > > const&);
+// generated by autoexplicit.sh
 template int igl::max_size<std::vector<int, std::allocator<int> > >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&);
 // generated by autoexplicit.sh
 template int igl::max_size<std::vector<double, std::allocator<double> > >(std::vector<std::vector<double, std::allocator<double> >, std::allocator<std::vector<double, std::allocator<double> > > > const&);

include/igl/min_size.cpp

@@ -33,6 +33,8 @@ IGL_INLINE int igl::min_size(const std::vector<T> & V)
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
 // generated by autoexplicit.sh
+template int igl::min_size<std::vector<unsigned int, std::allocator<unsigned int> > >(std::vector<std::vector<unsigned int, std::allocator<unsigned int> >, std::allocator<std::vector<unsigned int, std::allocator<unsigned int> > > > const&);
+// generated by autoexplicit.sh
 template int igl::min_size<std::vector<int, std::allocator<int> > >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&);
 // generated by autoexplicit.sh
 template int igl::min_size<std::vector<double, std::allocator<double> > >(std::vector<std::vector<double, std::allocator<double> >, std::allocator<std::vector<double, std::allocator<double> > > > const&);

include/igl/polygon_mesh_to_triangle_mesh.cpp

@@ -68,6 +68,8 @@ IGL_INLINE void igl::polygon_mesh_to_triangle_mesh(
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
 // generated by autoexplicit.sh
+template void igl::polygon_mesh_to_triangle_mesh<int, Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >&);
+// generated by autoexplicit.sh
 template void igl::polygon_mesh_to_triangle_mesh<int, Eigen::Matrix<int, -1, 3, 0, -1, 3> >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
 template void igl::polygon_mesh_to_triangle_mesh<int, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
 #endif

include/igl/readMESH.cpp

@@ -465,6 +465,8 @@ IGL_INLINE bool igl::readMESH(
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
 // generated by autoexplicit.sh
+template bool igl::readMESH<Eigen::Matrix<float, -1, 3, 1, -1, 3>, Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >&);
+// generated by autoexplicit.sh
 template bool igl::readMESH<Eigen::Matrix<double, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 3, 0, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
 // generated by autoexplicit.sh
 template bool igl::readMESH<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);

include/igl/readSTL.cpp

@@ -222,6 +222,8 @@ close_true:
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template specialization
 // generated by autoexplicit.sh
+template bool igl::readSTL<Eigen::Matrix<float, -1, 3, 1, -1, 3>, Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
+// generated by autoexplicit.sh
 template bool igl::readSTL<Eigen::Matrix<double, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 3, 0, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
 // generated by autoexplicit.sh
 template bool igl::readSTL<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);

include/igl/read_triangle_mesh.cpp

@@ -147,4 +147,5 @@ IGL_INLINE bool igl::read_triangle_mesh(
 template bool igl::read_triangle_mesh<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
 template bool igl::read_triangle_mesh<double, int>(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<std::vector<double, std::allocator<double> >, std::allocator<std::vector<double, std::allocator<double> > > >&, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >&);
 template bool igl::read_triangle_mesh<Eigen::Matrix<double, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3> >(std::string, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 3, 0, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
+template bool igl::read_triangle_mesh<Eigen::Matrix<float, -1, 3, 1, -1, 3>, Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, 3, 1, -1, 3> >&);
 #endif

index.html

@@ -169,6 +169,7 @@ BibTeX entry:</p>
 <li>EPF Lausanne, <a href="http://lgg.epfl.ch/people.php">Computer Graphics and Geometry Laboratory</a>, Switzerland</li>
 <li>ETH Zurich, <a href="http://igl.ethz.ch/">Interactive Geometry Lab</a> and <a href="http://ait.inf.ethz.ch/">Advanced Technologies Lab</a>, Swizterland</li>
 <li>George Mason University, <a href="http://cs.gmu.edu/~ygingold/">CraGL</a>, USA</li>
+<li><a href="http://www.ust.hk/">Hong Kong University of Science and Technology</a>, USA</li>
 <li>NYUPoly, <a href="http://game.engineering.nyu.edu/">Game Innovation Lab</a>, USA</li>
 <li>New York University, <a href="http://mrl.nyu.edu/">Media Research Lab</a>, USA</li>
 <li><a href="http://www.graphics.cornell.edu/">Cornell University</a>, USA</li>

tutorial/203_CurvatureDirections/main.cpp

@@ -17,7 +17,7 @@ int main(int argc, char *argv[])
 {
   using namespace Eigen;
   std::string filename = "../shared/fertility.off";
-  if(argc>=1)
+  if(argc>1)
   {
     filename = argv[1];
   }

tutorial/CMakeLists.shared

@@ -45,7 +45,7 @@ if(NOT APPLE)
 endif(NOT APPLE)
 
 include_directories( ${EIGEN_INCLUDE_DIR})
-include_directories( ${LIBIGL_INCLUDE_DIR})
+include_directories( ${LIBIGL_INCLUDE_DIRS})
 include_directories( ${GLFW_INCLUDE_DIR})
 include_directories(
 	/usr/local/include

tutorial/cmake/FindLIBIGL.cmake

@@ -2,7 +2,8 @@
 # Once done this will define
 #
 #  LIBIGL_FOUND - system has LIBIGL
-#  LIBIGL_INCLUDE_DIR - the LIBIGL include directory
+#  LIBIGL_INCLUDE_DIR - **the** LIBIGL include directory
+#  LIBIGL_INCLUDE_DIRS - LIBIGL include directories
 #  LIBIGL_SOURCES - the LIBIGL source files
 if(NOT LIBIGL_FOUND)
 
@@ -22,7 +23,7 @@ FIND_PATH(LIBIGL_INCLUDE_DIR igl/readOBJ.h
 
 if(LIBIGL_INCLUDE_DIR)
    set(LIBIGL_FOUND TRUE)
-   set(LIBIGL_INCLUDE_DIR ${LIBIGL_INCLUDE_DIR}  ${LIBIGL_INCLUDE_DIR}/../external/Singular_Value_Decomposition)
+   set(LIBIGL_INCLUDE_DIRS ${LIBIGL_INCLUDE_DIR}  ${LIBIGL_INCLUDE_DIR}/../external/Singular_Value_Decomposition)
    #set(LIBIGL_SOURCES
    #   ${LIBIGL_INCLUDE_DIR}/igl/viewer/Viewer.cpp
    #)
@@ -33,6 +34,7 @@ if(LIBIGL_USE_STATIC_LIBRARY)
   set(LIBIGL_LIB_DIRS
    /usr/lib
    /usr/local/lib
+   $ENV{LIBIGL}/lib
    $ENV{LIBIGLROOT}/lib
    $ENV{LIBIGL_ROOT}/lib
    $ENV{LIBIGL_DIR}/lib
@@ -59,7 +61,7 @@ if(LIBIGL_USE_STATIC_LIBRARY)
 #  endif(NOT LIBIGLMOSEK_LIBRARY)
   set(LIBIGL_LIBRARIES ${LIBIGL_LIBRARIES}  ${LIBIGLMOSEK_LIBRARY})
 #if(MOSEK_FOUND)
-#    set(LIBIGL_INCLUDE_DIR ${LIBIGL_INCLUDE_DIR}  ${MOSEK_INCLUDE_DIR})
+#    set(LIBIGL_INCLUDE_DIRS ${LIBIGL_INCLUDE_DIRS}  ${MOSEK_INCLUDE_DIR})
 #    set(LIBIGL_LIBRARIES ${LIBIGL_LIBRARIES}  ${MOSEK_LIBRARIES})
 #  else(MOSEK_FOUND)
 #    set(LIBIGL_FOUND FALSE)
@@ -103,7 +105,7 @@ if(LIBIGL_USE_STATIC_LIBRARY)
   set(LIBIGL_LIBRARIES ${LIBIGL_LIBRARIES}  ${LIBIGLMATLAB_LIBRARY})
   find_package(Matlab REQUIRED)
   if(MATLAB_FOUND)
-    set(LIBIGL_INCLUDE_DIR ${LIBIGL_INCLUDE_DIR}  ${MATLAB_INCLUDE_DIR})
+    set(LIBIGL_INCLUDE_DIRS ${LIBIGL_INCLUDE_DIRS}  ${MATLAB_INCLUDE_DIR})
     set(LIBIGL_LIBRARIES ${LIBIGL_LIBRARIES}  ${MATLAB_LIBRARIES})
   else(MATLAB_FOUND)
     set(LIBIGL_FOUND FALSE)
@@ -167,6 +169,6 @@ else(LIBIGL_FOUND)
    endif(LIBIGL_FIND_REQUIRED)
 endif(LIBIGL_FOUND)
 
-MARK_AS_ADVANCED(LIBIGL_INCLUDE_DIR LIBIGL_LIBRARIES IGL_VIEWER_SOURCES)
+MARK_AS_ADVANCED(LIBIGL_INCLUDE_DIRS LIBIGL_INCLUDE_DIR LIBIGL_LIBRARIES IGL_VIEWER_SOURCES)
 
 endif(NOT LIBIGL_FOUND)