//--------------------------------------------------------------
size_t DataSet::loadFragment(const std::string & filePath, const std::string & particleType)
{
static const int stride = 1;
ofxHDF5File h5File;
h5File.open(filePath, true);
ofxHDF5GroupPtr h5Group = h5File.loadGroup(particleType);
// Load the coordinate data and convert angles to radians.
auto coordDataSet = h5Group->loadDataSet("Coordinates");
int coordCount = coordDataSet->getDimensionSize(0) / stride;
coordDataSet->setHyperslab(0, coordCount, stride);
vector<glm::vec3> coordData(coordCount);
coordDataSet->read(coordData.data());
// Load the mass data.
auto massDataSet = h5Group->loadDataSet("Masses");
int massCount = massDataSet->getDimensionSize(0) / stride;
massDataSet->setHyperslab(0, massCount, stride);
vector<float> massData(massCount);
massDataSet->read(massData.data());
// Load the star formation rate data.
auto sfrDataSet = h5Group->loadDataSet("StarFormationRate");
int sfrCount = sfrDataSet->getDimensionSize(0) / stride;
sfrDataSet->setHyperslab(0, sfrCount, stride);
vector<float> sfrData(sfrCount);
sfrDataSet->read(sfrData.data());
// Add valid points to the data set.
size_t total = 0;
for (int i = 0; i < coordData.size(); ++i)
{
if (coordData[i].z > 0.0f)
{
this->coordinates.push_back(glm::vec3(ofDegToRad(coordData[i].x), ofDegToRad(coordData[i].y), coordData[i].z));
this->minRadius = std::min(this->minRadius, coordData[i].z);
this->maxRadius = std::max(this->maxRadius, coordData[i].z);
this->masses.push_back(massData[i]);
if (particleType == "PartType6")
{
this->starFormationRates.push_back(sfrData[i]);
}
else
{
// These are stars so just put in dummy data.
this->starFormationRates.push_back(-1.0f);
}
++total;
}
}
return total;
}
int
ADIOS_Var::getNumDataElem()
{
int getNumElem = 1;
for (int i=0; i<getNumDimension(); i++) {
getNumElem *= getDimensionSize(i);
}
return getNumElem;
}
int64_t
ADIOS_Var::getDataLen()
{
uint64_t total_bytes = adios_type_size(getType(), readValue());
for (int i=0; i<getNumDimension(); i++) {
total_bytes *= getDimensionSize(i);
}
return total_bytes;
}
int64_t
ADIOS_Var::getDimensionArray(std::vector<uint64_t>* dims)
{
dims->resize(getNumDimension());
for (int i=0; i<getNumDimension(); i++) {
(*dims)[i] = getDimensionSize(i);
}
return dims->size();
}