void VolumeCrop::crop() {
if (!inport_.hasData())
return;
const VolumeHandleBase* inputHandle = inport_.getData();
VolumeHandle* outputVolume = 0;
tgt::ivec3 start, dimensions;
start.x = clipRight_.get();
start.y = clipFront_.get();
start.z = clipBottom_.get();
dimensions.x = clipLeft_.get() - clipRight_.get() + 1;
dimensions.y = clipBack_.get() - clipFront_.get() + 1;
dimensions.z = clipTop_.get() - clipBottom_.get() + 1;
outputVolume = VolumeOperatorSubset::APPLY_OP(inport_.getData(), start, dimensions, progressBar_);
outputVolume->setSpacing(inputHandle->getSpacing());
// assign computed volume to outport
if (outputVolume) {
if(preserveLocation_.get()) {
outputVolume->setPhysicalToWorldMatrix(inputHandle->getPhysicalToWorldMatrix());
}
else {
oldVolumePosition(outputVolume);
outputVolume->setPhysicalToWorldMatrix(tgt::mat4::identity);
}
outport_.setData(outputVolume);
}
else
outport_.setData(0);
}
