Merge pull request #203 from PFasano99/embree

Embree adaptor
cnr-isti-vclab · Oct 21, 2022 · e2121c5 · e2121c5
2 parents fc3fb6d + 02d9ecc
commit e2121c5
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diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
@@ -5,3 +5,4 @@ project(VCGApps)
 add_subdirectory(sample)
 add_subdirectory(metro)
 add_subdirectory(tridecimator)
+add_subdirectory(embree)
diff --git a/apps/embree/CMakeLists.txt b/apps/embree/CMakeLists.txt
@@ -0,0 +1,18 @@
+cmake_minimum_required (VERSION 3.13)
+project (embree_sample)
+
+set(SOURCES embree_sample.cpp)
+
+FIND_PACKAGE(embree 3.0)
+
+if(embree_FOUND)
+	add_executable(embree_sample ${SOURCES})
+
+	target_link_libraries(
+		embree_sample
+		PUBLIC
+			embree
+			vcglib)
+endif()
+
+
diff --git a/apps/embree/embree_sample.cpp b/apps/embree/embree_sample.cpp
@@ -0,0 +1,120 @@
+/*
+ echo $LD_LIBRARY_PATH
+  LD_LIBRARY_PATH=/mnt/c/Users/super/Dropbox/3DProcessing/project3D/embree-3.13.3.x86_64.linux/lib:$LD_LIBRARY_PATH
+
+  LD_LIBRARY_PATH=/mnt/e/UniversitàMagistrale/secondoSemestre/3DgeometricModelingProcessing/vcglib/wrap/embree/embree-3.13.3.x86_64.linux/lib:$LD_LIBRARY_PATH
+
+  export LD_LIBRARY_PATH
+  g++ ./wrap/embree/vcgForEmbree.cpp -o prova.o -lembree3 -I ./vcg -I ./ -I ./eigenlib -I ./wrap/embree/embree-3.13.3.x86_64.linux/include -L ./wrap/embree/embree-3.13.3.x86_64.linux/lib -std=c++11
+  
+  g++ ./wrap/embree/sample/embree_sample.cpp -o prova.o  -lembree3 -I ./vcg -I ./ -I ./eigenlib -I ./wrap/embree/embree-3.13.3.x86_64.linux/include -L ./wrap/embree/embree-3.13.3.x86_64.linux/lib -std=c++11 -fopenmp -O3
+  ./prova.o ./wrap/embree/sample/ExampleMeshes/bunny10k.off 32 false
+*/
+#include <iostream>
+
+#include <vcg/complex/complex.h>
+
+//import export
+#include<wrap/io_trimesh/import_ply.h>
+#include<wrap/io_trimesh/export_ply.h>
+#include <wrap/io_trimesh/export_off.h>
+#include <wrap/io_trimesh/import_off.h>
+
+#include <time.h>
+#include <vcg/math/gen_normal.h>
+#include <vcg/complex/allocate.h>
+
+//vcgLibForEmbree
+#include<wrap/embree/EmbreeAdaptor.h>
+
+class MyVertex; class MyEdge; class MyFace;
+struct MyUsedTypes : public vcg::UsedTypes<vcg::Use<MyVertex>   ::AsVertexType,
+    vcg::Use<MyEdge>     ::AsEdgeType,
+    vcg::Use<MyFace>     ::AsFaceType> {};
+
+class MyVertex : public vcg::Vertex< MyUsedTypes, vcg::vertex::Coord3f, vcg::vertex::Normal3f, vcg::vertex::BitFlags, vcg::vertex::VFAdj, vcg::vertex::Qualityf, vcg::vertex::Color4b> {};
+class MyFace : public vcg::Face<   MyUsedTypes, vcg::face::FFAdj, vcg::face::VFAdj, vcg::face::Normal3f, vcg::face::VertexRef, vcg::face::BitFlags, vcg::face::Color4b, vcg::face::Qualityf> {};
+class MyEdge : public vcg::Edge<   MyUsedTypes> {};
+
+class MyMesh : public vcg::tri::TriMesh< std::vector<MyVertex>, std::vector<MyFace>, std::vector<MyEdge>  > {};
+
+using namespace vcg;
+using namespace std;
+
+
+int main( int argc, char **argv )
+{
+    cout << "start" << endl;
+  MyMesh m;
+  int ret = tri::io::ImporterOFF<MyMesh>::Open(m, argv[1]);
+  if(ret!=tri::io::ImporterOFF<MyMesh>::NoError)
+  {
+    cout<<"Error reading file \n"<<endl;
+    exit(0);
+  }
+
+  char *endptr;
+  int nOfRays = 150; //strtof(argv[2], &endptr);
+  if (argc > 2) {
+      nOfRays = std::stoi(argv[2]);
+  }
+
+
+  MyMesh m2,m3,m4,m5,m6;
+  vcg::tri::Append<MyMesh,MyMesh>::MeshCopy(m2,m);
+  vcg::tri::Append<MyMesh,MyMesh>::MeshCopy(m3,m);
+  vcg::tri::Append<MyMesh,MyMesh>::MeshCopy(m4, m);
+  vcg::tri::Append<MyMesh, MyMesh>::MeshCopy(m5, m);
+  vcg::tri::Append<MyMesh,MyMesh>::MeshCopy(m6,m);
+
+  EmbreeAdaptor<MyMesh> adaptor = EmbreeAdaptor<MyMesh>(m,8);
+  adaptor.computeAmbientOcclusion(m,nOfRays);
+  tri::UpdateQuality<MyMesh>::VertexFromFace(m);
+  tri::UpdateColor<MyMesh>::PerVertexQualityGray(m);
+  tri::UpdateNormal<MyMesh>::NormalizePerVertex(m);
+  tri::io::ExporterOFF<MyMesh>::Save(m,"testAO.off",tri::io::Mask::IOM_VERTCOLOR);
+
+  cout << "Done AO" << endl;
+
+  std::vector<Point3f> unifDirVec;
+  std::vector<Point3f> ndir;
+	GenNormal<float>::Fibonacci(nOfRays,unifDirVec);
+    Point3f dir(0, 1, 0);
+
+    for (int g = 0; g < nOfRays; g++) {
+        if (unifDirVec.at(g) >= dir) {
+            ndir.push_back(unifDirVec.at(g));
+        }
+    }
+  adaptor = EmbreeAdaptor<MyMesh>(m2,8);
+  adaptor.computeAmbientOcclusion(m2,ndir);
+  tri::UpdateQuality<MyMesh>::VertexFromFace(m2);
+  tri::UpdateColor<MyMesh>::PerVertexQualityGray(m2);
+  tri::io::ExporterOFF<MyMesh>::Save(m2,"testAODir.off",tri::io::Mask::IOM_VERTCOLOR);
+
+  cout << "Done AO Directioned" << endl;
+
+  EmbreeAdaptor<MyMesh> adaptor2 = EmbreeAdaptor<MyMesh>(m4,8);
+  adaptor2.computeSDF(m4,nOfRays,90);
+  tri::UpdateQuality<MyMesh>::VertexFromFace(m4);
+  tri::UpdateColor<MyMesh>::PerVertexQualityRamp(m4);
+  tri::io::ExporterOFF<MyMesh>::Save(m4,"testSDF.off",tri::io::Mask::IOM_VERTCOLOR);
+
+  cout << "Done SDF" << endl;
+
+  adaptor = EmbreeAdaptor<MyMesh>(m5,8);
+  adaptor.computeNormalAnalysis(m5, nOfRays);
+  tri::io::ExporterOFF<MyMesh>::Save(m5, "testNormal.off", tri::io::Mask::IOM_FACENORMAL);
+  //vector<Point3f> BentNormal = adaptor.AOBentNormal(m5,nOfRays);
+
+  cout << "Done NormalAnlysis" << endl;
+
+  adaptor = EmbreeAdaptor<MyMesh>(m6, 4);
+  Point3f p(1, 0, 0);
+  adaptor.selectVisibleFaces(m6, p);
+  tri::io::ExporterOFF<MyMesh>::Save(m6, "testSelectS.off", tri::io::Mask::IOM_FACECOLOR);
+
+  cout << "done face selection" << endl;
+  cout << "Done All" << endl;
+  return 0;
+}