split windows header-only tutorial actions (#2238)

* split windows header-only tutorial actions * double quote issue? * split 7 into 8 and 9
2023-08-19 11:06:48 -04:00
parent 83922780e1
commit 7765697eb6
16 changed files with 46 additions and 17 deletions
@@ -0,0 +1,58 @@
+#include <igl/readOFF.h>
+#include <igl/combine.h>
+
+#include <igl/opengl/glfw/Viewer.h>
+//#include <igl/opengl/glfw/imgui/ImGuiPlugin.h>
+#include <igl/opengl/glfw/imgui/ImGuiMenu.h>
+
+#include <igl/fast_find_self_intersections.h>
+
+Eigen::MatrixXd V1,V2,V;
+Eigen::MatrixXi F1,F2,F;
+
+int main(int argc, char *argv[])
+{
+
+  // Load two meshes 
+  igl::readOFF(TUTORIAL_SHARED_PATH "/planexy.off", V1, F1);
+  igl::readOFF(TUTORIAL_SHARED_PATH "/cow.off",     V2, F2);
+
+  // Combine into one mesh (will produce self-intersections)
+  igl::combine<Eigen::MatrixXd,Eigen::MatrixXi>({V1,V2},{F1,F2}, V,F);
+
+  // Plot the mesh
+  igl::opengl::glfw::Viewer viewer;
+  viewer.data().set_mesh(V, F);
+
+  Eigen::VectorXi I;
+  Eigen::MatrixXd edges;
+
+  if(igl::fast_find_self_intersections(V,F,I,edges))
+  {
+    std::cout<<"Found "<<I.sum()<<" self intersections"<<std::endl;
+
+    // plot edge vertices
+    //viewer.data().add_points(edges, Eigen::RowVector3d(1,0,0));
+
+    // Plot the edges of the self intersects
+    for (unsigned i=0;i<edges.rows(); i+=2)
+    {
+      viewer.data().add_edges
+      (
+        edges.row(i),
+        edges.row(i+1),
+        Eigen::RowVector3d(1,0,0)
+      );
+    }
+    std::cout<<std::endl;
+  }
+  viewer.data().set_data(I.cast<double>());
+  viewer.data().double_sided=true;
+
+  igl::opengl::glfw::imgui::ImGuiMenu menu;
+  //plugin.widgets.push_back(&menu);
+  menu.callback_draw_viewer_window = [](){};
+
+  // Launch the viewer
+  viewer.launch();
+}