Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-10-02 04:59:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

Create first groups and datasets

Browse Source
This commit is contained in:
johltn
2021-02-15 21:17:35 +01:00
parent 274235ebea
commit 08f7008cb5
2 changed files with 78 additions and 136 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/serializers/HdfSerializer.cpp
+73 -133
View File
@@ -30,7 +30,7 @@
#include <iomanip> #include <iomanip>
const H5std_string FILE_NAME("output_file.hdf5"); const H5std_string FILE_NAME("output_file2.hdf5");
HdfSerializer::HdfSerializer(const std::string& obj_filename, const std::string& mtl_filename, const SerializerSettings& settings) HdfSerializer::HdfSerializer(const std::string& obj_filename, const std::string& mtl_filename, const SerializerSettings& settings)
@@ -39,20 +39,20 @@ HdfSerializer::HdfSerializer(const std::string& obj_filename, const std::string&
, obj_stream(IfcUtil::path::from_utf8(obj_filename).c_str()) , obj_stream(IfcUtil::path::from_utf8(obj_filename).c_str())
, mtl_stream(IfcUtil::path::from_utf8(mtl_filename).c_str()) , mtl_stream(IfcUtil::path::from_utf8(mtl_filename).c_str())
, vcount_total(1) , vcount_total(1)
, file(FILE_NAME, H5F_ACC_TRUNC)
{ {
obj_stream << std::setprecision(settings.precision); obj_stream << std::setprecision(settings.precision);
mtl_stream << std::setprecision(settings.precision); mtl_stream << std::setprecision(settings.precision);
guids = {};
file = H5::H5File(FILE_NAME, H5F_ACC_TRUNC);
} }
bool HdfSerializer::ready() { bool HdfSerializer::ready() {
return obj_stream.is_open() && mtl_stream.is_open(); return obj_stream.is_open() && mtl_stream.is_open();
} }
@@ -67,7 +67,7 @@ void HdfSerializer::writeHeader() {
std::string mtl_basename = mtl_filename; std::string mtl_basename = mtl_filename;
std::string::size_type slash = mtl_basename.find_last_of(dir_separator); std::string::size_type slash = mtl_basename.find_last_of(dir_separator);
if (slash != std::string::npos) { if (slash != std::string::npos) {
mtl_basename = mtl_basename.substr(slash+1); mtl_basename = mtl_basename.substr(slash + 1);
} }
obj_stream << "mtllib " << mtl_basename << "\n"; obj_stream << "mtllib " << mtl_basename << "\n";
mtl_stream << "# File generated by IfcOpenShell " << IFCOPENSHELL_VERSION << "\n"; mtl_stream << "# File generated by IfcOpenShell " << IFCOPENSHELL_VERSION << "\n";
@@ -75,10 +75,10 @@ void HdfSerializer::writeHeader() {
void HdfSerializer::writeMaterial(const IfcGeom::Material& style) void HdfSerializer::writeMaterial(const IfcGeom::Material& style)
{ {
std::string material_name = (settings().get(SerializerSettings::USE_MATERIAL_NAMES) std::string material_name = (settings().get(SerializerSettings::USE_MATERIAL_NAMES)
? style.original_name() : style.name()); ? style.original_name() : style.name());
IfcUtil::sanitate_material_name(material_name); IfcUtil::sanitate_material_name(material_name);
mtl_stream << "newmtl " << material_name << "\n"; mtl_stream << "newmtl " << material_name << "\n";
if (style.hasDiffuse()) { if (style.hasDiffuse()) {
const double* diffuse = style.diffuse(); const double* diffuse = style.diffuse();
@@ -94,144 +94,84 @@ void HdfSerializer::writeMaterial(const IfcGeom::Material& style)
if (style.hasTransparency()) { if (style.hasTransparency()) {
const double transparency = 1.0 - style.transparency(); const double transparency = 1.0 - style.transparency();
if (transparency < 1) { if (transparency < 1) {
mtl_stream << "d " << transparency << "\n"; mtl_stream << "d " << transparency << "\n";
} }
} }
} }
void HdfSerializer::write(const IfcGeom::TriangulationElement<real_t>* o)
{
const H5std_string DATASET_NAME("IntArray");
const int NX = 5; // dataset dimensions
const int NY = 6;
const int RANK = 2;
int i, j;
int data[NX][NY]; // buffer for data to write void HdfSerializer::write(const IfcGeom::TriangulationElement<real_t>* o){
for (j = 0; j < NX; j++)
std::string guid = o->guid();
//Logger::Status(guid);
//Logger::Status(o->context());
//Logger::Status("\n");
H5::Group elementGroup;
H5::Group meshGroup;
H5::DataSet dataset;
const IfcGeom::Representation::Triangulation<real_t>& mesh = o->geometry();
const int vcountt = (int)mesh.verts().size() / 3;
if (std::find(guids.begin(), guids.end(), guid) != guids.end())
{ {
for (i = 0; i < NY; i++) elementGroup = file.openGroup(guid);
data[j][i] = i + j; meshGroup = elementGroup.openGroup("Triangle Mesh");
} dataset = meshGroup.openDataSet("Positions");
} else {
guids.insert(guid);
elementGroup = file.createGroup(guid);
meshGroup = elementGroup.createGroup("Triangle Mesh");
H5::Group group = file.createGroup("/Data"); H5std_string DATASET_NAME_POSITIONS("Positions");
H5std_string DATASET_NAME_NORMALS("Normals");
H5std_string DATASET_NAME_INDICES("Indices");
hsize_t dimsf[2]; // dataset dimensions const int RANK = 2;
dimsf[0] = NX; hsize_t dimsf[2];
dimsf[1] = NY; dimsf[0] = vcountt;
H5::DataSpace dataspace(RANK, dimsf); dimsf[1] = 3;
H5::DataSpace dataspace(RANK, dimsf);
H5::IntType datatype(H5::PredType::NATIVE_INT);
datatype.setOrder(H5T_ORDER_LE);
dataset = meshGroup.createDataSet(DATASET_NAME_POSITIONS, datatype, dataspace);
H5::IntType datatype(H5::PredType::NATIVE_INT); for (std::vector<real_t>::const_iterator it = mesh.verts().begin(); it != mesh.verts().end(); ) {
datatype.setOrder(H5T_ORDER_LE); const real_t x = *(it++);
H5::DataSet dataset = group.createDataSet(DATASET_NAME, datatype, dataspace); const real_t y = *(it++);
dataset.write(data, H5::PredType::NATIVE_INT); const real_t z = *(it++);
data_container.push_back(x);
data_container.push_back(y);
data_container.push_back(z);
obj_stream << "g " << object_id(o) << "\n";
obj_stream << "s 1" << "\n";
const bool isyup = settings().get(SerializerSettings::USE_Y_UP);
const IfcGeom::Representation::Triangulation<real_t>& mesh = o->geometry();
const int vcount = (int)mesh.verts().size() / 3;
for ( std::vector<real_t>::const_iterator it = mesh.verts().begin(); it != mesh.verts().end(); ) {
const real_t x = *(it++);
const real_t y = *(it++);
const real_t z = *(it++);
if (isyup) {
obj_stream << "v " << x << " " << z << " " << -y << "\n";
} else {
obj_stream << "v " << x << " " << y << " " << z << "\n";
}
}
for ( std::vector<real_t>::const_iterator it = mesh.normals().begin(); it != mesh.normals().end(); ) {
const real_t x = *(it++);
const real_t y = *(it++);
const real_t z = *(it++);
obj_stream << "vn " << x << " " << y << " " << z << "\n";
}
for (std::vector<real_t>::const_iterator it = mesh.uvs().begin(); it != mesh.uvs().end();) {
const real_t u = *it++;
const real_t v = *it++;
obj_stream << "vt " << u << " " << v << "\n";
}
int previous_material_id = -2;
std::vector<int>::const_iterator material_it = mesh.material_ids().begin();
const bool has_uvs = !mesh.uvs().empty();
const bool has_normals = !mesh.normals().empty();
for ( std::vector<int>::const_iterator it = mesh.faces().begin(); it != mesh.faces().end(); ) {
const int material_id = *(material_it++);
if (material_id != previous_material_id) {
const IfcGeom::Material& material = mesh.materials()[material_id];
std::string material_name = (settings().get(SerializerSettings::USE_MATERIAL_NAMES)
? material.original_name() : material.name());
IfcUtil::sanitate_material_name(material_name);
obj_stream << "usemtl " << material_name << "\n";
if (materials.find(material_name) == materials.end()) {
writeMaterial(material);
materials.insert(material_name);
}
previous_material_id = material_id;
} }
const int v1 = *(it++)+vcount_total; //data_container.clear();
const int v2 = *(it++)+vcount_total; //data_container.push_back(3.4);
const int v3 = *(it++)+vcount_total;
dataset.write(data_container.data(), H5::PredType::NATIVE_DOUBLE);
data_container.clear();
if (has_normals && has_uvs) {
obj_stream << "f " << v1 << "/" << v1 << "/" << v1 << " "
<< v2 << "/" << v2 << "/" << v2 << " "
<< v3 << "/" << v3 << "/" << v3 << "\n";
} else if (has_normals) {
obj_stream << "f " << v1 << "//" << v1 << " "
<< v2 << "//" << v2 << " "
<< v3 << "//" << v3 << "\n";
} else {
obj_stream << "f " << v1 << " " << v2 << " " << v3 << "\n";
}
} }
std::set<int> faces_set (mesh.faces().begin(), mesh.faces().end());
const std::vector<int>& edges = mesh.edges();
for ( std::vector<int>::const_iterator it = edges.begin(); it != edges.end(); ) {
const int i1 = *(it++);
const int i2 = *(it++);
if (faces_set.find(i1) != faces_set.end() || faces_set.find(i2) != faces_set.end()) {
continue;
}
const int material_id = *(material_it++);
if (material_id != previous_material_id) {
const IfcGeom::Material& material = mesh.materials()[material_id];
std::string material_name = (settings().get(SerializerSettings::USE_MATERIAL_NAMES)
? material.original_name() : material.name());
IfcUtil::sanitate_material_name(material_name);
obj_stream << "usemtl " << material_name << "\n";
if (materials.find(material_name) == materials.end()) {
writeMaterial(material);
materials.insert(material_name);
}
previous_material_id = material_id;
}
const int v1 = i1 + vcount_total;
const int v2 = i2 + vcount_total;
obj_stream << "l " << v1 << " " << v2 << "\n";
}
vcount_total += vcount;
} }
src/serializers/HdfSerializer.h
+2
View File
@@ -37,6 +37,8 @@ private:
unsigned int vcount_total; unsigned int vcount_total;
std::set<std::string> materials; std::set<std::string> materials;
H5::H5File file; H5::H5File file;
std::set<std::string> guids;
std::vector<double> data_container;
public: public: