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Merge branch 'PLY_texcoord' into 'master'

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PLY reader/writer: Support for meshlab texture coordinates and ids in PLY IO...

See merge request OpenMesh/OpenMesh!327
This commit is contained in:
Jan Möbius
2023-02-28 10:04:45 +00:00
parent 1cfa2396b3 318d035c97
commit fb75158cf4
7 changed files with 373 additions and 7 deletions
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3
Doc/changelog.docu
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@@ -13,6 +13,9 @@
<li>OM Reader/Writer: Only rad and write custom properties if the Custom option is set (The default option contains this flag).</li>
</ul>
<b>IO</b>
<ul>
<li>PLY reader/writer: Support for meshlab texture coordinates and ids in PLY IO (Thanks to Gregoire Grzeczkowicz for the patch)</li>
<b>Tools</b>
<ul>

3
src/OpenMesh/Core/IO/importer/ImporterT.hh
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@@ -443,8 +443,9 @@ public:
mesh_.add_property(property,"TextureMapping");
}
if ( mesh_.property(property).find( _id ) == mesh_.property(property).end() )
if ( mesh_.property(property).find( _id ) == mesh_.property(property).end() ) {
mesh_.property(property)[_id] = _name;
}
}
// low-level access to mesh

150
src/OpenMesh/Core/IO/reader/PLYReader.cc
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@@ -135,7 +135,11 @@ bool _PLYReader_::read(std::istream& _in, BaseImporter& _bi, Options& _opt) {
return false;
}
// Add TextureFiles
int texture_index = 0;
for(auto const & texture_file : texture_files_) {
_bi.add_texture_information(texture_index++, texture_file);
}
// filter relevant options for reading
bool swap = _opt.check(Options::Swap);
@@ -157,6 +161,9 @@ bool _PLYReader_::read(std::istream& _in, BaseImporter& _bi, Options& _opt) {
if (options_.face_has_color() && userOptions_.face_has_color()) {
_opt += Options::FaceColor;
}
if (options_.face_has_texcoord() && userOptions_.face_has_texcoord()) {
_opt += Options::FaceTexCoord;
}
if (options_.is_binary()) {
_opt += Options::Binary;
}
@@ -282,12 +289,14 @@ bool _PLYReader_::read_ascii(std::istream& _in, BaseImporter& _bi, const Options
unsigned int i, j, k, l, idx;
unsigned int nV;
OpenMesh::Vec3f v, n;
OpenMesh::Vec3f v, n, t3d;
std::string trash;
OpenMesh::Vec2f t;
OpenMesh::Vec4i c;
float tmp;
BaseImporter::VHandles vhandles;
std::vector<Vec3f> face_texcoords3d;
std::vector<Vec2f> face_texcoords;
VertexHandle vh;
_bi.reserve(vertexCount_, 3* vertexCount_ , faceCount_);
@@ -304,7 +313,7 @@ bool _PLYReader_::read_ascii(std::istream& _in, BaseImporter& _bi, const Options
for (std::vector<ElementInfo>::iterator e_it = elements_.begin(); e_it != elements_.end(); ++e_it)
{
if (_in.eof()) {
if (_in.eof()) {
if (err_enabled)
omerr().enable();
@@ -460,6 +469,61 @@ bool _PLYReader_::read_ascii(std::istream& _in, BaseImporter& _bi, const Options
++complex_faces;
break;
case TEXCOORD:
// nV = number of texcoord for current face
_in >> nV;
if (_opt.face_has_texcoord()) {
// need to know the number of vertex for this face
assert(!vhandles.empty());
if (nV == 2 * vhandles.size()) {
face_texcoords.clear();
face_texcoords.reserve(vhandles.size());
for (j = 0; j < vhandles.size(); j++) {
_in >> t[0];
_in >> t[1];
face_texcoords.push_back(t);
}
_bi.add_face_texcoords(fh, vhandles[0], face_texcoords);
} else if (nV == 3 * vhandles.size()) {
face_texcoords3d.clear();
face_texcoords3d.reserve(vhandles.size());
for (j = 0; j < vhandles.size(); j++) {
_in >> t3d[0];
_in >> t3d[1];
_in >> t3d[2];
face_texcoords3d.push_back(t3d);
}
_bi.add_face_texcoords(fh, vhandles[0], face_texcoords3d);
} else {
for (j = 0; j < nV; j++) {
_in >> trash;
}
}
} else {
for (j = 0; j < nV; j++) {
_in >> trash;
}
}
break;
case TEXNUMBER:
_in >> idx;
_bi.set_face_texindex(fh, idx);
break;
case COLORRED:
if (prop.value == ValueTypeFLOAT32 || prop.value == ValueTypeFLOAT) {
_in >> tmp;
@@ -504,7 +568,7 @@ bool _PLYReader_::read_ascii(std::istream& _in, BaseImporter& _bi, const Options
break;
}
}
if (_opt.face_has_color())
if (_opt.face_has_color())
_bi.set_color(fh, Vec4uc(c));
}
}
@@ -539,9 +603,11 @@ bool _PLYReader_::read_ascii(std::istream& _in, BaseImporter& _bi, const Options
bool _PLYReader_::read_binary(std::istream& _in, BaseImporter& _bi, bool /*_swap*/, const Options& _opt) const {
OpenMesh::Vec3f v, n; // Vertex
OpenMesh::Vec3f v, n, t3d; // Vertex
OpenMesh::Vec2f t; // TexCoords
BaseImporter::VHandles vhandles;
std::vector<Vec3f> face_texcoords3d;
std::vector<Vec2f> face_texcoords;
VertexHandle vh;
OpenMesh::Vec4i c; // Color
float tmp;
@@ -707,6 +773,56 @@ bool _PLYReader_::read_binary(std::istream& _in, BaseImporter& _bi, bool /*_swap
if (!fh.is_valid())
++complex_faces;
break;
case TEXCOORD:
// nV = number of texcoord for current face
readInteger(prop.listIndexType, _in, nV);
if (_opt.face_has_texcoord()) {
// need to know the number of vertex for this face
assert(!vhandles.empty());
if (nV == 2 * vhandles.size()) {
face_texcoords.clear();
face_texcoords.reserve(vhandles.size());
for (std::size_t j = 0; j < vhandles.size(); j++) {
readValue(prop.value, _in, t[0]);
readValue(prop.value, _in, t[1]);
face_texcoords.push_back(t);
}
_bi.add_face_texcoords(fh, vhandles[0], face_texcoords);
} else if (nV == 3 * vhandles.size()) {
face_texcoords3d.clear();
face_texcoords3d.reserve(vhandles.size());
for (std::size_t j = 0; j < vhandles.size(); j++) {
readValue(prop.value, _in, t3d[0]);
readValue(prop.value, _in, t3d[1]);
readValue(prop.value, _in, t3d[2]);
face_texcoords3d.push_back(t3d);
}
_bi.add_face_texcoords(fh, vhandles[0], face_texcoords3d);
} else {
consume_input(_in, nV * scalar_size_[prop.value]);
}
} else {
consume_input(_in, nV * scalar_size_[prop.value]);
}
break;
case TEXNUMBER:
unsigned int idx;
readInteger(prop.value, _in, idx);
_bi.set_face_texindex(fh, idx);
break;
case COLORRED:
if (prop.value == ValueTypeFLOAT32 ||
prop.value == ValueTypeFLOAT) {
@@ -1170,6 +1286,9 @@ bool _PLYReader_::can_u_read(std::istream& _is) const {
// clear element list
elements_.clear();
// clear texture list
texture_files_.clear();
// read 1st line
std::string line;
std::getline(_is, line);
@@ -1231,6 +1350,19 @@ bool _PLYReader_::can_u_read(std::istream& _is) const {
if (keyword == "comment") {
std::getline(_is, line);
// Meshlab puts texture filenames as comments
// We collect them into a vector and add them in the
// given order to our mesh to keep the indices.
if (line.rfind(" TextureFile ", 0) == 0) {
std::string filename = line.substr(13);
// This trim is required especially on windows as
// we can run into problems with line endings on
// files from different platforms.
trim(filename);
texture_files_.push_back(filename);
}
} else if (keyword == "element") {
_is >> elementName;
_is >> elementCount;
@@ -1300,6 +1432,11 @@ bool _PLYReader_::can_u_read(std::istream& _is) const {
omerr() << "Custom face Properties defined, before 'vertex_indices' property was defined. They will be skipped" << std::endl;
elements_.back().properties_.clear();
}
} else if (propertyName == "texcoord")
{
property.property = TEXCOORD;
options_ += Options::FaceTexCoord;
} else {
options_ += Options::Custom;
}
@@ -1408,6 +1545,9 @@ bool _PLYReader_::can_u_read(std::istream& _is) const {
options_ += Options::ColorAlpha;
if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
options_ += Options::ColorFloat;
} else if (propertyName == "texnumber") {
entry = PropertyInfo(TEXNUMBER, valueType);
options_ += Options::FaceTexCoord;
}
}

5
src/OpenMesh/Core/IO/reader/PLYReader.hh
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@@ -61,6 +61,7 @@
#include <string>
#include <cstdio>
#include <vector>
#include <list>
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
@@ -165,7 +166,7 @@ private:
TEXX,TEXY,
COLORRED,COLORGREEN,COLORBLUE,COLORALPHA,
XNORM,YNORM,ZNORM, CUSTOM_PROP, VERTEX_INDICES,
UNSUPPORTED
TEXCOORD, TEXNUMBER, UNSUPPORTED
};
/// Stores sizes of property types
@@ -200,6 +201,8 @@ private:
mutable std::vector< ElementInfo > elements_;
mutable std::vector< std::string > texture_files_;
template<typename T>
inline void read(_PLYReader_::ValueType _type, std::istream& _in, T& _value, OpenMesh::GenProg::TrueType /*_binary*/) const
{

BIN
src/Unittests/TestFiles/meshlab-faceTexCoords-binary.ply Normal file
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Binary file not shown.

34
src/Unittests/TestFiles/meshlab-faceTexCoords.ply Normal file
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@@ -0,0 +1,34 @@
ply
format ascii 1.0
comment VCGLIB generated
comment TextureFile tex_0.jpg
comment TextureFile tex_1.jpg
element vertex 8
property float x
property float y
property float z
element face 12
property list uchar int vertex_indices
property list uchar float texcoord
property int texnumber
end_header
0.5 0.5 0.5
-0.5 0.5 0.5
0.5 -0.5 0.5
-0.5 -0.5 0.5
0.5 0.5 -0.5
-0.5 0.5 -0.5
0.5 -0.5 -0.5
-0.5 -0.5 -0.5
3 0 1 2 6 0 0 0.1 0.1 0.2 0.2 0
3 3 2 1 6 0 0 -0.1 -0.1 -0.2 -0.2 0
3 0 2 4 6 0 0 0.1 0.1 0.2 0.3 1
3 6 4 2 6 0 0 0.1 0.1 0.2 0.2 1
3 0 4 1 6 0 0 0.1 0.1 0.2 0.2 1
3 5 1 4 6 0 0 0.1 0.1 0.2 0.2 1
3 7 5 6 6 0 0 0.1 0.1 0.2 0.2 0
3 4 6 5 6 0 0 0.1 0.1 0.2 0.2 0
3 7 6 3 6 0 0 0.1 0.1 0.2 0.2 0
3 2 3 6 6 0 0 0.1 0.1 0.2 0.2 0
3 7 3 5 6 0 0 0.1 0.1 0.2 0.2 0
3 1 5 3 6 0 0 0.1 0.1 0.2 0.2 0

185
src/Unittests/unittests_read_write_PLY.cc
View File

@@ -463,6 +463,191 @@ TEST_F(OpenMeshReadWritePLY, WriteAndReadBinaryPLYWithFloatVertexColors) {
mesh_.release_vertex_colors();
}
/*
* Just load a ply file of a cube with face texcoord and face texture index
*/
TEST_F(OpenMeshReadWritePLY, LoadPLYFromMeshLabWithFaceTexCoord) {
mesh_.clear();
mesh_.request_halfedge_texcoords2D();
mesh_.request_face_texture_index();
OpenMesh::IO::Options options;
options += OpenMesh::IO::Options::FaceTexCoord;
std::string file_name = "meshlab-faceTexCoords.ply";
bool ok = OpenMesh::IO::read_mesh(mesh_, file_name, options);
EXPECT_TRUE(ok) << "Unable to load meshlab-faceTexCoords.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_FALSE(options.vertex_has_normal()) << "Wrong user options are returned!";
EXPECT_FALSE(options.vertex_has_texcoord()) << "Wrong user options are returned!";
EXPECT_TRUE(options.face_has_texcoord()) << "Wrong user options are returned!";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(0))[0] ) << "Wrong texCoord at halfedge 0 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(0))[1] ) << "Wrong texCoord at halfedge 0 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(1))[0] ) << "Wrong texCoord at halfedge 1 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(1))[1] ) << "Wrong texCoord at halfedge 1 component 1";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(2))[0] ) << "Wrong texCoord at halfedge 2 component 0";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(2))[1] ) << "Wrong texCoord at halfedge 2 component 1";
EXPECT_FLOAT_EQ(-0.2, mesh_.texcoord2D(mesh_.halfedge_handle(3))[0] ) << "Wrong texCoord at halfedge 3 component 0";
EXPECT_FLOAT_EQ(-0.2, mesh_.texcoord2D(mesh_.halfedge_handle(3))[1] ) << "Wrong texCoord at halfedge 3 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(4))[0] ) << "Wrong texCoord at halfedge 4 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(4))[1] ) << "Wrong texCoord at halfedge 4 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(5))[0] ) << "Wrong texCoord at halfedge 5 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(5))[1] ) << "Wrong texCoord at halfedge 5 component 1";
EXPECT_FLOAT_EQ(-0.1, mesh_.texcoord2D(mesh_.halfedge_handle(6))[0] ) << "Wrong texCoord at halfedge 6 component 0";
EXPECT_FLOAT_EQ(-0.1, mesh_.texcoord2D(mesh_.halfedge_handle(6))[1] ) << "Wrong texCoord at halfedge 6 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(7))[0] ) << "Wrong texCoord at halfedge 7 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(7))[1] ) << "Wrong texCoord at halfedge 7 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(8))[0] ) << "Wrong texCoord at halfedge 8 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(8))[1] ) << "Wrong texCoord at halfedge 8 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(9))[0] ) << "Wrong texCoord at halfedge 9 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(9))[1] ) << "Wrong texCoord at halfedge 9 component 1";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(10))[0] ) << "Wrong texCoord at halfedge 10 component 0";
EXPECT_FLOAT_EQ(0.3, mesh_.texcoord2D(mesh_.halfedge_handle(10))[1] ) << "Wrong texCoord at halfedge 10 component 1";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(11))[0] ) << "Wrong texCoord at halfedge 11 component 0";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(11))[1] ) << "Wrong texCoord at halfedge 11 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(12))[0] ) << "Wrong texCoord at halfedge 12 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(12))[1] ) << "Wrong texCoord at halfedge 12 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(13))[0] ) << "Wrong texCoord at halfedge 13 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(13))[1] ) << "Wrong texCoord at halfedge 13 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(14))[0] ) << "Wrong texCoord at halfedge 14 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(14))[1] ) << "Wrong texCoord at halfedge 14 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(15))[0] ) << "Wrong texCoord at halfedge 15 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(15))[1] ) << "Wrong texCoord at halfedge 15 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(16))[0] ) << "Wrong texCoord at halfedge 16 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(16))[1] ) << "Wrong texCoord at halfedge 16 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(17))[0] ) << "Wrong texCoord at halfedge 17 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(17))[1] ) << "Wrong texCoord at halfedge 17 component 1";
//check texture mapping for the mesh
OpenMesh::MPropHandleT< std::map< int, std::string > > property;
mesh_.get_property_handle(property, "TextureMapping");
EXPECT_EQ(mesh_.property(property).size(), 2u) << "Wrong texture number";
EXPECT_EQ(mesh_.property(property).count(0), 1u) << "Could not find texture with id 0";
EXPECT_TRUE((mesh_.property(property)[0] == std::string("tex_0.jpg"))) << "Wrong texture name";
EXPECT_EQ(mesh_.property(property).count(1), 1u) << "Could not find texture with id 1";
EXPECT_TRUE((mesh_.property(property)[1] == std::string("tex_1.jpg"))) << "Wrong texture name";
//check texture mapping per face
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(0)), 0) << "Face 0 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(1)), 0) << "Face 1 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(2)), 1) << "Face 2 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(3)), 1) << "Face 3 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(4)), 1) << "Face 4 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(5)), 1) << "Face 5 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(6)), 0) << "Face 6 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(7)), 0) << "Face 7 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(8)), 0) << "Face 8 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(9)), 0) << "Face 9 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(10)), 0) << "Face 10 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(11)), 0) << "Face 11 texture index is not set correctly";
mesh_.release_halfedge_texcoords2D();
mesh_.release_face_texture_index();
}
/*
* Just load a binary ply file of a cube with face texcoord and face texture index
*/
TEST_F(OpenMeshReadWritePLY, LoadBinaryPLYFromMeshLabWithFaceTexCoord) {
mesh_.clear();
mesh_.request_halfedge_texcoords2D();
mesh_.request_face_texture_index();
OpenMesh::IO::Options options;
options += OpenMesh::IO::Options::FaceTexCoord;
options += OpenMesh::IO::Options::Binary;
std::string file_name = "meshlab-faceTexCoords-binary.ply";
bool ok = OpenMesh::IO::read_mesh(mesh_, file_name, options);
EXPECT_TRUE(ok) << "Unable to load meshlab-faceTexCoords-binary.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_FALSE(options.vertex_has_normal()) << "Wrong user options are returned!";
EXPECT_FALSE(options.vertex_has_texcoord()) << "Wrong user options are returned!";
EXPECT_TRUE(options.face_has_texcoord()) << "Wrong user options are returned!";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(0))[0] ) << "Wrong texCoord at halfedge 0 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(0))[1] ) << "Wrong texCoord at halfedge 0 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(1))[0] ) << "Wrong texCoord at halfedge 1 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(1))[1] ) << "Wrong texCoord at halfedge 1 component 1";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(2))[0] ) << "Wrong texCoord at halfedge 2 component 0";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(2))[1] ) << "Wrong texCoord at halfedge 2 component 1";
EXPECT_FLOAT_EQ(-0.2, mesh_.texcoord2D(mesh_.halfedge_handle(3))[0] ) << "Wrong texCoord at halfedge 3 component 0";
EXPECT_FLOAT_EQ(-0.2, mesh_.texcoord2D(mesh_.halfedge_handle(3))[1] ) << "Wrong texCoord at halfedge 3 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(4))[0] ) << "Wrong texCoord at halfedge 4 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(4))[1] ) << "Wrong texCoord at halfedge 4 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(5))[0] ) << "Wrong texCoord at halfedge 5 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(5))[1] ) << "Wrong texCoord at halfedge 5 component 1";
EXPECT_FLOAT_EQ(-0.1, mesh_.texcoord2D(mesh_.halfedge_handle(6))[0] ) << "Wrong texCoord at halfedge 6 component 0";
EXPECT_FLOAT_EQ(-0.1, mesh_.texcoord2D(mesh_.halfedge_handle(6))[1] ) << "Wrong texCoord at halfedge 6 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(7))[0] ) << "Wrong texCoord at halfedge 7 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(7))[1] ) << "Wrong texCoord at halfedge 7 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(8))[0] ) << "Wrong texCoord at halfedge 8 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(8))[1] ) << "Wrong texCoord at halfedge 8 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(9))[0] ) << "Wrong texCoord at halfedge 9 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(9))[1] ) << "Wrong texCoord at halfedge 9 component 1";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(10))[0] ) << "Wrong texCoord at halfedge 10 component 0";
EXPECT_FLOAT_EQ(0.3, mesh_.texcoord2D(mesh_.halfedge_handle(10))[1] ) << "Wrong texCoord at halfedge 10 component 1";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(11))[0] ) << "Wrong texCoord at halfedge 11 component 0";
EXPECT_FLOAT_EQ(0.2, mesh_.texcoord2D(mesh_.halfedge_handle(11))[1] ) << "Wrong texCoord at halfedge 11 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(12))[0] ) << "Wrong texCoord at halfedge 12 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(12))[1] ) << "Wrong texCoord at halfedge 12 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(13))[0] ) << "Wrong texCoord at halfedge 13 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(13))[1] ) << "Wrong texCoord at halfedge 13 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(14))[0] ) << "Wrong texCoord at halfedge 14 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(14))[1] ) << "Wrong texCoord at halfedge 14 component 1";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(15))[0] ) << "Wrong texCoord at halfedge 15 component 0";
EXPECT_FLOAT_EQ(0.1, mesh_.texcoord2D(mesh_.halfedge_handle(15))[1] ) << "Wrong texCoord at halfedge 15 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(16))[0] ) << "Wrong texCoord at halfedge 16 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(16))[1] ) << "Wrong texCoord at halfedge 16 component 1";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(17))[0] ) << "Wrong texCoord at halfedge 17 component 0";
EXPECT_FLOAT_EQ(0, mesh_.texcoord2D(mesh_.halfedge_handle(17))[1] ) << "Wrong texCoord at halfedge 17 component 1";
//check texture mapping for the mesh
OpenMesh::MPropHandleT< std::map< int, std::string > > property;
mesh_.get_property_handle(property, "TextureMapping");
EXPECT_EQ(mesh_.property(property).size(), 2u) << "Wrong texture number";
EXPECT_EQ(mesh_.property(property).count(0), 1u) << "Could not find texture with id 0";
EXPECT_TRUE((mesh_.property(property)[0] == std::string("tex_0.jpg"))) << "Wrong texture name";
EXPECT_EQ(mesh_.property(property).count(1), 1u) << "Could not find texture with id 1";
EXPECT_TRUE((mesh_.property(property)[1] == std::string("tex_1.jpg"))) << "Wrong texture name";
//check texture mapping per face
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(0)), 0) << "Face 0 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(1)), 0) << "Face 1 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(2)), 1) << "Face 2 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(3)), 1) << "Face 3 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(4)), 1) << "Face 4 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(5)), 1) << "Face 5 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(6)), 0) << "Face 6 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(7)), 0) << "Face 7 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(8)), 0) << "Face 8 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(9)), 0) << "Face 9 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(10)), 0) << "Face 10 texture index is not set correctly";
EXPECT_EQ(mesh_.property(mesh_.face_texture_index_pph(), mesh_.face_handle(11)), 0) << "Face 11 texture index is not set correctly";
mesh_.release_halfedge_texcoords2D();
mesh_.release_face_texture_index();
}
/*
* Just load a ply file of a cube with vertex texCoords
*/