148 lines
3.2 KiB
C++
148 lines
3.2 KiB
C++
#include <gtest/gtest.h>
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#include <Unittests/unittests_common.hh>
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#include <iostream>
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namespace {
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class OpenMeshCentroids : public OpenMeshBase {
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protected:
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// This function is called before each test is run
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virtual void SetUp() {
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[5];
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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// Add two faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[1]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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/* Test setup:
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0 ==== 2
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|\ 0 /|
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| \ / |
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|2 1 3|
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| / \ |
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|/ 1 \|
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3 ==== 4 */
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}
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// This function is called after all tests are through
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virtual void TearDown() {
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// Do some final stuff with the member data here...
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}
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};
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/*
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* ====================================================================
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* Define tests below
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* ====================================================================
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*/
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/*
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* Calculate centroid on a single triangle
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*/
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TEST_F(OpenMeshCentroids, FaceCentroidTriMesh)
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{
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auto centroid = mesh_.calc_centroid(OpenMesh::FaceHandle(0));
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EXPECT_EQ( centroid[0], 1.0f );
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EXPECT_EQ( centroid[1], Mesh::Scalar(2)/Mesh::Scalar(3));
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EXPECT_EQ( centroid[2], 0.0f );
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}
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/*
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* Calculate centroid on a single edge
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*/
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TEST_F(OpenMeshCentroids, EdgeCentroidTriMesh)
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{
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auto centroid = mesh_.calc_centroid(OpenMesh::EdgeHandle(2));
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EXPECT_EQ( centroid[0], 1.0f );
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EXPECT_EQ( centroid[1], 1.0f );
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EXPECT_EQ( centroid[2], 0.0f );
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}
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/*
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* Calculate centroid on a single halfedge
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*/
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TEST_F(OpenMeshCentroids, HalfedgeCentroidTriMesh)
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{
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auto centroid = mesh_.calc_centroid(OpenMesh::HalfedgeHandle(5));
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EXPECT_EQ( centroid[0], 1.0f );
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EXPECT_EQ( centroid[1], 1.0f );
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EXPECT_EQ( centroid[2], 0.0f );
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}
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/*
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* Calculate centroid on a single vertex
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*/
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TEST_F(OpenMeshCentroids, VertexCentroidTriMesh)
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{
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auto centroid = mesh_.calc_centroid(OpenMesh::VertexHandle(0));
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EXPECT_EQ( centroid[0], 0.0f );
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EXPECT_EQ( centroid[1], 1.0f );
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EXPECT_EQ( centroid[2], 0.0f );
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}
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/*
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* Calculate centroid of whole mesh
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*/
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TEST_F(OpenMeshCentroids, MeshCentroidTriMesh)
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{
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auto centroid = mesh_.calc_centroid(OpenMesh::MeshHandle());
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EXPECT_EQ( centroid[0], 1.0f );
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EXPECT_EQ( centroid[1], 0.0f );
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EXPECT_EQ( centroid[2], 0.0f );
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}
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}
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