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rAKA/third-party/iohelper/src/paraview_helper.tcc
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paraview_helper.tcc
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#include <cassert>
#if defined(__INTEL_COMPILER)
#pragma warning ( push )
/// remark #981: operands are evaluated in unspecified order
#pragma warning ( disable : 981 )
#endif //defined(__INTEL_COMPILER)
inline std::string ParaviewHelper::dataTypeToStr(DataType data_type) {
std::string str;
switch(data_type) {
case _bool : str = "UInt8" ; break;
case _uint : str = "UInt32" ; break;
case _int : str = "Int32" ; break;
case _float : str = "Float32"; break;
case _double : str = "Float64"; break;
case _uint64 : str = "UInt64" ; break;
case _int64 : str = "Int64" ; break;
case _uint8 : str = "UInt8" ; break;
}
return str;
}
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::visitField(T & visited){
this->position_flag = false;
switch (current_stage){
case _s_writeFieldProperty: writeFieldProperty(visited); break;
case _s_writePosition: this->position_flag = true; /* FALLTHRU */
// [[fallthrough]] un-comment when compiler gets it
case _s_writeField: writeField(visited); break;
case _s_writeConnectivity: writeConnectivity(visited); break;
case _s_writeElemType: writeElemType(visited); break;
case _s_buildOffsets: writeOffsets(visited); break;
default:
std::stringstream sstr;
sstr << "the stage " << current_stage << " is not a known paraviewhelper stage";
IOHELPER_THROW(sstr.str(),
IOHelperException::_et_unknown_visitor_stage);
}
}
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::writeFieldProperty(T & data){
if (not static_cast<bool>(data.isHomogeneous()))
IOHELPER_THROW(std::string("try to write field property of a non homogeneous field"),
IOHelperException::_et_non_homogeneous_data);
UInt dim = data.getDim();
std::string name = data.getName();
PDataArray(name, dim, dataTypeToStr(data.getDataType()));
}
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::writeField(T & data){
typename T::iterator it = data.begin();
typename T::iterator end = data.end();
compteur = 0;
UInt dim;
if(data.isHomogeneous()) {
dim = data.getDim();
if (position_flag) {
dim = 3;
}
for (; it != end; ++it) {
pushData((*it), dim);
}
}
else {
for (; it != end; ++it) {
pushData((*it));
}
}
}
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::writeConnectivity(T & data) {
typename T::iterator it = data.begin();
typename T::iterator end = data.end();
for (; it != end; ++it) {
auto type = (ElemType)it.element_type();
//typename T::iterator::type & n = *it;
UInt dim = (*it).size();
assert(nb_node_per_elem[type] == dim);
UInt * reorder = this->write_reorder[type];
for (UInt i = 0; i < dim; ++i) {
this->pushDatum((*it)[reorder[i]], dim);
}
}
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::writeElemType(T & data){
typename T::iterator it = data.begin();
typename T::iterator end = data.end();
for (; it != end; ++it) {
auto type = (ElemType)it.element_type();
this->pushDatum(this->paraview_code_type[type], 1);
}
}
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::writeOffsets(T & data){
typename T::iterator it = data.begin();
typename T::iterator end = data.end();
UInt count = 0;
for (; it != end; ++it) {
count += (*it).size();
pushDatum(count);
}
}
/* -------------------------------------------------------------------------- */
template <template<typename T> class Cont, typename T>
inline void ParaviewHelper::pushData(const Cont<T> & n, UInt dim){
for (UInt i = 0; i < n.size(); ++i) {
pushDatum<T>(n[i], dim);
}
for (UInt i = n.size(); i < dim; ++i) { T t = T(); this->pushDatum<T>(t, dim); }
}
/* -------------------------------------------------------------------------- */
template <template<typename T> class Cont, typename T>
inline void ParaviewHelper::pushData(const Cont<T> & n) {
for (UInt i = 0; i < n.size(); ++i) {
pushDatum<T>(n[i], n.size());
}
}
/* -------------------------------------------------------------------------- */
inline void ParaviewHelper::setMode(int mode){
bflag = BASE64 & mode;
}
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::writePVTU(T & per_node_data, T & per_elem_data,
const std::vector<std::string> & vtus){
current_stage = _s_writeFieldProperty;
file << "<VTKFile type=\"PUnstructuredGrid\" version=\"0.1\" " << std::endl;
file << "byte_order=\"LittleEndian\">" << std::endl;
file << " <PUnstructuredGrid GhostLevel=\"0\">" << std::endl;
file << " <PPoints>" << std::endl;
file << " <PDataArray type=\"Float64\" NumberOfComponents=\"3\" format=\"";
if (bflag == BASE64) {
file << "binary";
} else {
file << "ascii";
}
file << "\" />" << std::endl;
file << " </PPoints>" << std::endl;
file << " <PPointData>" << std::endl;
auto itNodeField = per_node_data.begin();
auto endNodeField = per_node_data.end();
for (; itNodeField != endNodeField; ++itNodeField) {
if ((*itNodeField).first != "positions") {
(*itNodeField).second->accept(*this);
}
}
file << " </PPointData>" << std::endl;
file << " <PCellData>" << std::endl;
auto itElemField = per_elem_data.begin();
auto endElemField = per_elem_data.end();
for (; itElemField != endElemField ; ++itElemField) {
std::string name = (*itElemField).first;
if (name == "connectivities" || name == "element_type") {
continue;
}
(*itElemField).second->accept(*this);
}
file << " </PCellData>" << std::endl;
for (UInt l = 0; l < vtus.size(); ++l) {
file << " <Piece Source=\"" << vtus[l] << "\" />" << std::endl;
}
file << " </PUnstructuredGrid>" << std::endl;
file << "</VTKFile>" << std::endl;
file.close();
}
/* -------------------------------------------------------------------------- */
template <typename T>
void ParaviewHelper::pushDataFields(T & per_node_data, T & per_elem_data){
startPointDataList();
{
auto itNodeField = per_node_data.begin();
auto endNodeField = per_node_data.end();
for (; itNodeField != endNodeField; ++itNodeField) {
std::string name = (*itNodeField).first;
if (name == "positions") {
continue;
}
FieldInterface & f = *(*itNodeField).second;
startData(f.getName(), f.getDim(), dataTypeToStr(f.getDataType()));
pushField(f);
endData();
}
}
endPointDataList();
startCellDataList();
{
auto itElemField = per_elem_data.begin();
auto endElemField = per_elem_data.end();
for (; itElemField != endElemField; ++itElemField) {
std::string name = (*itElemField).first;
if (name == "connectivities" || name == "element_type") {
continue;
}
FieldInterface & f = *(*itElemField).second;
startData(f.getName(), f.getDim(), dataTypeToStr(f.getDataType()));
pushField(f);
endData();
}
}
endCellDataList();
}
/* -------------------------------------------------------------------------- */
template <typename T>
inline void ParaviewHelper::pushDatum(const T & n,
__attribute__((unused)) UInt size){
if (bflag == BASE64) {
b64.push<T>(n);
} else {
if (compteur == 0) {
file << " ";
}
++compteur;
file << n << " ";
}
}
/* -------------------------------------------------------------------------- */
template <>
inline void ParaviewHelper::pushDatum<double>(const double & n,
UInt size){
if (bflag == BASE64) {
b64.push<double>(n);
} else {
if (compteur % size == 0) {
file << " ";
}
file << std::setw(22);
file << std::setprecision(15);
file << std::scientific;
file << n;
file << " ";
++compteur;
if (compteur % size == 0) {
file << std::endl;
}
}
}
/* -------------------------------------------------------------------------- */
template <>
inline void ParaviewHelper::pushDatum<ElemType>(const ElemType & n,
__attribute__((unused)) UInt size){
UInt n_ = this->paraview_code_type[n];
pushDatum<UInt>(n_);
}
/* -------------------------------------------------------------------------- */
inline void ParaviewHelper::pushPosition(FieldInterface & f){
current_stage = _s_writePosition;
f.accept(*this);
}
/* -------------------------------------------------------------------------- */
inline void ParaviewHelper::pushField(FieldInterface & f){
current_stage = _s_writeField;
f.accept(*this);
}
/* -------------------------------------------------------------------------- */
inline void ParaviewHelper::pushConnectivity(FieldInterface & f) {
current_stage = _s_writeConnectivity;
f.accept(*this);
}
/* -------------------------------------------------------------------------- */
inline void ParaviewHelper::pushElemType(FieldInterface & f) {
current_stage = _s_writeElemType;
f.accept(*this);
}
/* -------------------------------------------------------------------------- */
inline void ParaviewHelper::buildOffsets(FieldInterface & f){
current_stage = _s_buildOffsets;
f.accept(*this);
}
/* -------------------------------------------------------------------------- */
#if defined(__INTEL_COMPILER)
#pragma warning ( pop )
#endif //defined(__INTEL_COMPILER)
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