f6af84f5f8
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@626 fdac6126-5c0c-442c-9429-916003d36597
381 lines
16 KiB
C++
381 lines
16 KiB
C++
#ifndef INCLUDE_UNITTESTS_LOADING_HH
|
|
#define INCLUDE_UNITTESTS_LOADING_HH
|
|
|
|
#include <gtest/gtest.h>
|
|
#include <Unittests/unittests_common.hh>
|
|
|
|
|
|
class OpenMeshLoader : public OpenMeshBase {
|
|
|
|
protected:
|
|
|
|
// This function is called before each test is run
|
|
virtual void SetUp() {
|
|
|
|
// Do some initial stuff with the member data here...
|
|
}
|
|
|
|
// This function is called after all tests are through
|
|
virtual void TearDown() {
|
|
|
|
// Do some final stuff with the member data here...
|
|
}
|
|
|
|
// Member already defined in OpenMeshBase
|
|
//Mesh mesh_;
|
|
};
|
|
|
|
/*
|
|
* ====================================================================
|
|
* Define tests below
|
|
* ====================================================================
|
|
*/
|
|
|
|
/*
|
|
* Just load a simple mesh file in obj format and count whether
|
|
* the right number of entities has been loaded.
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleOFFFile) {
|
|
|
|
mesh_.clear();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1.off");
|
|
|
|
EXPECT_TRUE(ok);
|
|
|
|
EXPECT_EQ(7526u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(22572u, mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(15048u, mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Just load a simple mesh file in stla format and count whether
|
|
* the right number of entities has been loaded.
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleSTLFile) {
|
|
|
|
mesh_.clear();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1.stl");
|
|
|
|
EXPECT_TRUE(ok);
|
|
|
|
EXPECT_EQ(7526u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(22572u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(15048u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Just load a simple mesh file in stlb format and count whether
|
|
* the right number of entities has been loaded.
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleSTLBinaryFile) {
|
|
|
|
mesh_.clear();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1Binary.stl");
|
|
|
|
EXPECT_TRUE(ok);
|
|
|
|
EXPECT_EQ(7526u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(22572u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(15048u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Just load a point file in ply format and count whether
|
|
* the right number of entities has been loaded.
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimplePointPLYFileWithBadEncoding) {
|
|
|
|
mesh_.clear();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "pointCloudBadEncoding.ply");
|
|
|
|
EXPECT_TRUE(ok) << "Unable to load pointCloudBadEncoding.ply";
|
|
|
|
EXPECT_EQ(10u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(0u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(0u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
}
|
|
|
|
/*
|
|
* Just load a point file in ply format and count whether
|
|
* the right number of entities has been loaded.
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimplePointPLYFileWithGoodEncoding) {
|
|
|
|
mesh_.clear();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "pointCloudGoodEncoding.ply");
|
|
|
|
EXPECT_TRUE(ok) << "Unable to load pointCloudGoodEncoding.ply";
|
|
|
|
EXPECT_EQ(10u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(0u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(0u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
}
|
|
|
|
|
|
/*
|
|
* Just load a obj file of a cube
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleOBJ) {
|
|
|
|
mesh_.clear();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal.obj");
|
|
|
|
EXPECT_TRUE(ok) << "Unable to load cube-minimal.obj";
|
|
|
|
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
}
|
|
|
|
/*
|
|
* Just load a obj file of a cube and checks the halfedge and vertex normals
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleOBJCheckHalfEdgeAndVertexNormals) {
|
|
|
|
mesh_.clear();
|
|
|
|
mesh_.request_halfedge_normals();
|
|
mesh_.request_vertex_normals();
|
|
|
|
std::string file_name = "cube-minimal.obj";
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, file_name);
|
|
|
|
EXPECT_TRUE(ok) << file_name;
|
|
|
|
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
EXPECT_EQ(36u , mesh_.n_halfedges()) << "The number of loaded halfedges is not correct!";
|
|
|
|
///////////////////////////////////////////////
|
|
//check vertex normals
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(0))[0] ) << "Wrong vertex normal at vertex 0 component 0";
|
|
EXPECT_EQ(-1, mesh_.normal(mesh_.vertex_handle(0))[1] ) << "Wrong vertex normal at vertex 0 component 1";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(0))[2] ) << "Wrong vertex normal at vertex 0 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(3))[0] ) << "Wrong vertex normal at vertex 3 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(3))[1] ) << "Wrong vertex normal at vertex 3 component 1";
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(3))[2] ) << "Wrong vertex normal at vertex 3 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(4))[0] ) << "Wrong vertex normal at vertex 4 component 0";
|
|
EXPECT_EQ(-1, mesh_.normal(mesh_.vertex_handle(4))[1] ) << "Wrong vertex normal at vertex 4 component 1";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(4))[2] ) << "Wrong vertex normal at vertex 4 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(7))[0] ) << "Wrong vertex normal at vertex 7 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(7))[1] ) << "Wrong vertex normal at vertex 7 component 1";
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(7))[2] ) << "Wrong vertex normal at vertex 7 component 2";
|
|
|
|
///////////////////////////////////////////////
|
|
//check halfedge normals
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(0))[0] ) << "Wrong halfedge normal at halfedge 0 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(0))[1] ) << "Wrong halfedge normal at halfedge 0 component 1";
|
|
EXPECT_EQ(-1, mesh_.normal(mesh_.halfedge_handle(0))[2] ) << "Wrong halfedge normal at halfedge 0 component 2";
|
|
|
|
EXPECT_EQ(-1, mesh_.normal(mesh_.halfedge_handle(10))[0] ) << "Wrong halfedge normal at halfedge 10 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(10))[1] ) << "Wrong halfedge normal at halfedge 10 component 1";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(10))[2] ) << "Wrong halfedge normal at halfedge 10 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(19))[0] ) << "Wrong halfedge normal at halfedge 19 component 0";
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.halfedge_handle(19))[1] ) << "Wrong halfedge normal at halfedge 19 component 1";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(19))[2] ) << "Wrong halfedge normal at halfedge 19 component 2";
|
|
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.halfedge_handle(24))[0] ) << "Wrong halfedge normal at halfedge 24 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(24))[1] ) << "Wrong halfedge normal at halfedge 24 component 1";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(24))[2] ) << "Wrong halfedge normal at halfedge 24 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(30))[0] ) << "Wrong halfedge normal at halfedge 30 component 0";
|
|
EXPECT_EQ(-1, mesh_.normal(mesh_.halfedge_handle(30))[1] ) << "Wrong halfedge normal at halfedge 30 component 1";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(30))[2] ) << "Wrong halfedge normal at halfedge 30 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(35))[0] ) << "Wrong halfedge normal at halfedge 35 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.halfedge_handle(35))[1] ) << "Wrong halfedge normal at halfedge 35 component 1";
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.halfedge_handle(35))[2] ) << "Wrong halfedge normal at halfedge 35 component 2";
|
|
|
|
mesh_.release_vertex_normals();
|
|
mesh_.release_halfedge_normals();
|
|
|
|
}
|
|
|
|
/*
|
|
* Just load a obj file of a cube and checks the halfedge texCoords
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleOBJCheckTexCoords) {
|
|
|
|
mesh_.clear();
|
|
|
|
mesh_.request_halfedge_texcoords2D();
|
|
|
|
std::string file_name = "cube-minimal-texCoords.obj";
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, file_name);
|
|
|
|
EXPECT_TRUE(ok) << file_name;
|
|
|
|
EXPECT_EQ(1, mesh_.texcoord2D(mesh_.halfedge_handle(0))[0] ) << "Wrong texCoord at halfedge 0 component 0";
|
|
EXPECT_EQ(1, mesh_.texcoord2D(mesh_.halfedge_handle(0))[1] ) << "Wrong texCoord at halfedge 0 component 1";
|
|
|
|
EXPECT_EQ(3, mesh_.texcoord2D(mesh_.halfedge_handle(10))[0] ) << "Wrong texCoord at halfedge 1 component 0";
|
|
EXPECT_EQ(3, mesh_.texcoord2D(mesh_.halfedge_handle(10))[1] ) << "Wrong texCoord at halfedge 1 component 1";
|
|
|
|
EXPECT_EQ(6, mesh_.texcoord2D(mesh_.halfedge_handle(19))[0] ) << "Wrong texCoord at halfedge 4 component 0";
|
|
EXPECT_EQ(6, mesh_.texcoord2D(mesh_.halfedge_handle(19))[1] ) << "Wrong texCoord at halfedge 4 component 1";
|
|
|
|
EXPECT_EQ(7, mesh_.texcoord2D(mesh_.halfedge_handle(24))[0] ) << "Wrong texCoord at halfedge 7 component 0";
|
|
EXPECT_EQ(7, mesh_.texcoord2D(mesh_.halfedge_handle(24))[1] ) << "Wrong texCoord at halfedge 7 component 1";
|
|
|
|
EXPECT_EQ(9, mesh_.texcoord2D(mesh_.halfedge_handle(30))[0] ) << "Wrong texCoord at halfedge 9 component 0";
|
|
EXPECT_EQ(9, mesh_.texcoord2D(mesh_.halfedge_handle(30))[1] ) << "Wrong texCoord at halfedge 9 component 1";
|
|
|
|
EXPECT_EQ(12, mesh_.texcoord2D(mesh_.halfedge_handle(35))[0] ) << "Wrong texCoord at halfedge 11 component 0";
|
|
EXPECT_EQ(12, mesh_.texcoord2D(mesh_.halfedge_handle(35))[1] ) << "Wrong texCoord at halfedge 11 component 1";
|
|
|
|
mesh_.release_halfedge_texcoords2D();
|
|
}
|
|
|
|
|
|
/*
|
|
* Just load a obj file of a cube with vertex colors defined directly after the vertex definitions
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleOBJWithVertexColorsAfterVertices) {
|
|
|
|
mesh_.clear();
|
|
|
|
mesh_.request_vertex_colors();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal-vertex-colors-after-vertex-definition.obj");
|
|
|
|
EXPECT_TRUE(ok) << "Unable to load cube-minimal-vertex-colors-after-vertex-definition.obj";
|
|
|
|
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[0] ) << "Wrong vertex color at vertex 3 component 0";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(3))[1] ) << "Wrong vertex color at vertex 3 component 1";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(3))[2] ) << "Wrong vertex color at vertex 3 component 2";
|
|
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[2] ) << "Wrong vertex color at vertex 4 component 2";
|
|
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[2] ) << "Wrong vertex color at vertex 7 component 2";
|
|
|
|
mesh_.release_vertex_colors();
|
|
}
|
|
|
|
/*
|
|
* Just load a obj file of a cube with vertex colors defined as separate lines
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimpleOBJWithVertexColorsAsVCLines) {
|
|
|
|
mesh_.clear();
|
|
|
|
mesh_.request_vertex_colors();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal-vertex-colors-as-vc-lines.obj");
|
|
|
|
EXPECT_TRUE(ok) << "Unable to load cube-minimal-vertex-colors-as-vc-lines.obj";
|
|
|
|
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
|
|
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[0] ) << "Wrong vertex color at vertex 3 component 0";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(3))[1] ) << "Wrong vertex color at vertex 3 component 1";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(3))[2] ) << "Wrong vertex color at vertex 3 component 2";
|
|
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
|
|
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[2] ) << "Wrong vertex color at vertex 4 component 2";
|
|
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
|
|
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[2] ) << "Wrong vertex color at vertex 7 component 2";
|
|
|
|
mesh_.release_vertex_colors();
|
|
|
|
}
|
|
|
|
/*
|
|
* Just load a ply
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimplePLY) {
|
|
|
|
mesh_.clear();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal.ply");
|
|
|
|
EXPECT_TRUE(ok) << "Unable to load cube-minimal.ply";
|
|
|
|
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Just load a ply with normals, ascii mode
|
|
*/
|
|
TEST_F(OpenMeshLoader, LoadSimplePLYWithNormals) {
|
|
|
|
mesh_.clear();
|
|
|
|
mesh_.request_vertex_normals();
|
|
|
|
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal-normals.ply");
|
|
|
|
EXPECT_TRUE(ok) << "Unable to load cube-minimal-normals.ply";
|
|
|
|
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
|
|
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
|
|
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
|
|
|
|
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(0))[0] ) << "Wrong normal at vertex 0 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(0))[1] ) << "Wrong normal at vertex 0 component 1";
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(0))[2] ) << "Wrong normal at vertex 0 component 2";
|
|
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(3))[0] ) << "Wrong normal at vertex 3 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(3))[1] ) << "Wrong normal at vertex 3 component 1";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(3))[2] ) << "Wrong normal at vertex 3 component 2";
|
|
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(4))[0] ) << "Wrong normal at vertex 4 component 0";
|
|
EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(4))[1] ) << "Wrong normal at vertex 4 component 1";
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(4))[2] ) << "Wrong normal at vertex 4 component 2";
|
|
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(7))[0] ) << "Wrong normal at vertex 7 component 0";
|
|
EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(7))[1] ) << "Wrong normal at vertex 7 component 1";
|
|
EXPECT_EQ(2, mesh_.normal(mesh_.vertex_handle(7))[2] ) << "Wrong normal at vertex 7 component 2";
|
|
|
|
mesh_.release_vertex_normals();
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif // INCLUDE GUARD
|