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Updated tutorial unittest. Fixed tutorial variable names.

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This commit is contained in:
Jan Möbius
2018-12-03 07:52:59 +01:00
parent 6578d0da9c
commit ab12d50e5e
2 changed files with 44 additions and 49 deletions
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43
Doc/Tutorial/03-properties/smooth.cc
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@@ -26,29 +26,28 @@ int main(int argc, char** argv)
} }
{ {
// Add a vertex property storing the computed centers of gravity // Add a vertex property storing the computed centers of gravity
auto cog = OpenMesh::makeTemporaryProperty<OpenMesh::VertexHandle, MyMesh::Point>(mesh); auto cog = OpenMesh::makeTemporaryProperty<OpenMesh::VertexHandle, MyMesh::Point>(mesh);
// Smooth the mesh several times // Smooth the mesh several times
for (int i = 0; i < iterations; ++i) { for (int i = 0; i < iterations; ++i) {
// Iterate over all vertices to compute centers of gravity // Iterate over all vertices to compute centers of gravity
for (const auto& vh : mesh.vertices()) { for (const auto& vh : mesh.vertices()) {
cog[vv] = {0,0,0}; cog[vh] = {0,0,0};
int valence = 0; int valence = 0;
// Iterate over all 1-ring vertices around vh // Iterate over all 1-ring vertices around vh
for (const auto& vvh : mesh.vv_range(vh)) { for (const auto& vvh : mesh.vv_range(vh)) {
cog[vv] += mesh.point(vvh); cog[vh] += mesh.point(vvh);
++valence; ++valence;
} }
cog[vv] /= valence; cog[vh] /= valence;
} }
// Move all vertices to the previously computed positions // Move all vertices to the previously computed positions
for (const auto& vh : mesh.vertices()) { for (const auto& vh : mesh.vertices()) {
mesh.point(vv) = cog[vv]; mesh.point(vh) = cog[vh];
} }
} }
// The cog vertex property is removed from the mesh at the end of this scope } // The cog vertex property is removed from the mesh at the end of this scope
}
// Write mesh file // Write mesh file
if (!OpenMesh::IO::read_mesh(mesh, outfile)) { if (!OpenMesh::IO::read_mesh(mesh, outfile)) {

46
src/Unittests/unittests_tutorials.cc
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@@ -1,5 +1,6 @@
#include <gtest/gtest.h> #include <gtest/gtest.h>
#include <OpenMesh/Core/Utils/PropertyManager.hh>
#include <Unittests/unittests_common.hh> #include <Unittests/unittests_common.hh>
#include <string> #include <string>
#include <map> #include <map>
@@ -448,36 +449,31 @@ TEST_F(OpenMeshTutorials, using_custom_properties) {
bool ok = OpenMesh::IO::read_mesh(mesh, "output.off"); bool ok = OpenMesh::IO::read_mesh(mesh, "output.off");
EXPECT_TRUE(ok) << "Cannot read mesh from file 'output.off'"; EXPECT_TRUE(ok) << "Cannot read mesh from file 'output.off'";
// this vertex property stores the computed centers of gravity const int iterations = 100;
OpenMesh::VPropHandleT<MyMesh::Point> cogs;
mesh.add_property(cogs);
// smoothing mesh N times
MyMesh::VertexIter v_it, v_end(mesh.vertices_end());
MyMesh::VertexVertexIter vv_it;
MyMesh::Point cog;
MyMesh::Scalar valence;
unsigned int i, N(100);
for (i=0; i < N; ++i)
{ {
for (v_it = mesh.vertices_begin(); v_it != v_end; ++v_it) // Add a vertex property storing the computed centers of gravity
{ auto cog = OpenMesh::makeTemporaryProperty<OpenMesh::VertexHandle, MyMesh::Point>(mesh);
mesh.property(cogs,*v_it).vectorize(0.0f);
valence = 0.0;
for (vv_it = mesh.vv_iter( *v_it ); vv_it.is_valid(); ++vv_it) // Smooth the mesh several times
{ for (int i = 0; i < iterations; ++i) {
mesh.property(cogs,*v_it) += mesh.point( *vv_it ); // Iterate over all vertices to compute centers of gravity
++valence; for (const auto& vh : mesh.vertices()) {
cog[vh] = {0,0,0};
int valence = 0;
// Iterate over all 1-ring vertices around vh
for (const auto& vvh : mesh.vv_range(vh)) {
cog[vh] += mesh.point(vvh);
++valence;
}
cog[vh] /= valence;
}
// Move all vertices to the previously computed positions
for (const auto& vh : mesh.vertices()) {
mesh.point(vh) = cog[vh];
} }
mesh.property(cogs,*v_it) /= valence;
} }
} // The cog vertex property is removed from the mesh at the end of this scope
for (v_it = mesh.vertices_begin(); v_it != v_end; ++v_it)
if ( !mesh.is_boundary( *v_it ) )
mesh.set_point( *v_it, mesh.property(cogs,*v_it) );
}
// write mesh // write mesh
ok = OpenMesh::IO::write_mesh(mesh, "smoothed_custom_properties_output.off"); ok = OpenMesh::IO::write_mesh(mesh, "smoothed_custom_properties_output.off");