std::shared_ptr<VolumeRAM> VolumeGL2RAMConverter::createFrom(
std::shared_ptr<const VolumeGL> volumeGL) const {
auto volume = createVolumeRAM(volumeGL->getDimensions(), volumeGL->getDataFormat());
if (volume) {
volumeGL->getTexture()->download(volume->getData());
return volume;
} else {
LogError("Cannot convert format from GL to RAM:" << volumeGL->getDataFormat()->getString());
}
return nullptr;
}
DataRepresentation* VolumeGL2RAMConverter::createFrom(const DataRepresentation* source) {
const VolumeGL* volumeGL = static_cast<const VolumeGL*>(source);
VolumeRAM* volume = createVolumeRAM(volumeGL->getDimensions(), volumeGL->getDataFormat());
if (volume) {
volumeGL->getTexture()->download(volume->getData());
return volume;
} else {
LogError("Cannot convert format from GL to RAM:" << volumeGL->getDataFormat()->getString());
}
return nullptr;
}
std::shared_ptr<VolumeRAM> VolumeCL2RAMConverter::createFrom(
std::shared_ptr<const VolumeCL> volumeCL) const {
size3_t dimensions = volumeCL->getDimensions();
auto destination = createVolumeRAM(dimensions, volumeCL->getDataFormat());
if (destination) {
volumeCL->download(destination->getData());
// const cl::CommandQueue& queue = OpenCL::getInstance()->getQueue();
// queue.enqueueReadImage(volumeCL->getVolume(), true, glm::size3_t(0),
// glm::size3_t(dimension), 0, 0, volumeRAM->getData());
}
return destination;
}
DataRepresentation* VolumeCL2RAMConverter::createFrom(const DataRepresentation* source) {
DataRepresentation* destination = 0;
const VolumeCL* volumeCL = static_cast<const VolumeCL*>(source);
size3_t dimensions = volumeCL->getDimensions();
destination = createVolumeRAM(dimensions, volumeCL->getDataFormat());
if (destination) {
VolumeRAM* volumeRAM = static_cast<VolumeRAM*>(destination);
volumeCL->download(volumeRAM->getData());
//const cl::CommandQueue& queue = OpenCL::getInstance()->getQueue();
//queue.enqueueReadImage(volumeCL->getVolume(), true, glm::size3_t(0), glm::size3_t(dimension), 0, 0, volumeRAM->getData());
}
return destination;
}
std::shared_ptr<VolumeRAM> VolumeCLGL2RAMConverter::createFrom(
std::shared_ptr<const VolumeCLGL> volumeCLGL) const {
const size3_t dimensions{volumeCLGL->getDimensions()};
auto destination = createVolumeRAM(dimensions, volumeCLGL->getDataFormat());
if (destination) {
volumeCLGL->getTexture()->download(destination->getData());
// const cl::CommandQueue& queue = OpenCL::getPtr()->getQueue();
// queue.enqueueReadVolume(volumeCL->get(), true, glm::size3_t(0), glm::size3_t(dimensions,
// 1), 0, 0, volumeRAM->getData());
} else {
LogError("Invalid conversion or not implemented");
}
return destination;
}
std::shared_ptr<VolumeRepresentation> Volume::createDefaultRepresentation() const {
return createVolumeRAM(getDimensions(), getDataFormat());
}
Volume* MPVMVolumeReader::readMetaData(std::string filePath) {
if (!filesystem::fileExists(filePath)) {
std::string newPath = filesystem::addBasePath(filePath);
if (filesystem::fileExists(newPath)) {
filePath = newPath;
} else {
throw DataReaderException("Error could not find input file: " + filePath, IvwContext);
}
}
std::string fileDirectory = filesystem::getFileDirectory(filePath);
// Read the mpvm file content
std::istream* f = new std::ifstream(filePath.c_str());
std::string textLine;
std::vector<std::string> files;
while (!f->eof()) {
getline(*f, textLine);
textLine = trim(textLine);
files.push_back(textLine);
};
delete f;
if (files.empty()) throw DataReaderException("Error: No PVM files found in " + filePath, IvwContext);
if (files.size() > 4)
throw DataReaderException("Error: Maximum 4 pvm files are supported, file: " + filePath, IvwContext);
// Read all pvm volumes
std::vector<Volume*> volumes;
for (size_t i = 0; i < files.size(); i++) {
Volume* newVol = PVMVolumeReader::readPVMData(fileDirectory + files[i]);
if (newVol)
volumes.push_back(newVol);
else
LogWarn("Could not load " << fileDirectory << files[i]);
}
if (volumes.empty())
throw DataReaderException("No PVM volumes could be read from file: " + filePath, IvwContext);
if (volumes.size() == 1) {
printPVMMeta(volumes[0], fileDirectory + files[0]);
return volumes[0];
}
// Make sure dimension and format match
const DataFormatBase* format = volumes[0]->getDataFormat();
size3_t mdim = volumes[0]->getDimensions();
for (size_t i = 1; i < volumes.size(); i++) {
if (format != volumes[i]->getDataFormat() || mdim != volumes[i]->getDimensions()) {
LogWarn("PVM volumes did not have the same format or dimensions, using first volume.");
printPVMMeta(volumes[0], fileDirectory + files[0]);
return volumes[0];
}
}
// Create new format
const DataFormatBase* mformat =
DataFormatBase::get(format->getNumericType(), volumes.size(), format->getSize()*8);
// Create new volume
Volume* volume = new Volume();
glm::mat3 basis = volumes[0]->getBasis();
volume->setBasis(basis);
volume->setOffset(-0.5f * (basis[0] + basis[1] + basis[2]));
volume->setDimensions(mdim);
volume->dataMap_.initWithFormat(mformat);
volume->setDataFormat(mformat);
volume->copyMetaDataFrom(*volumes[0]);
// Merge descriptions but ignore the rest
StringMetaData* metaData = volume->getMetaData<StringMetaData>("description");
if (metaData) {
std::string descStr = metaData->get();
for (size_t i = 1; i < volumes.size(); i++) {
metaData = volumes[0]->getMetaData<StringMetaData>("description");
if (metaData) descStr = descStr + ", " + metaData->get();
}
volume->setMetaData<StringMetaData>("description", descStr);
}
// Create RAM volume
VolumeRAM* mvolRAM = createVolumeRAM(mdim, mformat);
unsigned char* dataPtr = static_cast<unsigned char*>(mvolRAM->getData());
std::vector<const unsigned char*> volumesDataPtr;
for (size_t i = 0; i < volumes.size(); i++) {
volumesDataPtr.push_back(static_cast<const unsigned char*>(
volumes[i]->getRepresentation<VolumeRAM>()->getData()));
}
// Copy the data from the other volumes to the new multichannel volume
size_t mbytes = mformat->getSize();
size_t bytes = format->getSize();
size_t dims = mdim.x * mdim.y * mdim.z;
size_t vsize = volumesDataPtr.size();
for (size_t i = 0; i < dims; i++) {
for (size_t j = 0; j < vsize; j++) {
for (size_t b = 0; b < bytes; b++) {
dataPtr[i * mbytes + (j * bytes) + b] = volumesDataPtr[j][i * bytes + b];
}
}
}
// Delete the single channel volumes
for (size_t i = 0; i < volumes.size(); i++) {
delete volumes[i];
}
volume->addRepresentation(mvolRAM);
printPVMMeta(volume, filePath);
return volume;
}
