/**
* Get the volume that corresponds to the given dimensions.
*
* @param volume the volume to get
* @return the corresponding volume
*/
public final Viewer3DNodeVolume getVolume(final Viewer3DNodeAxes.Volume volume) {
Viewer3DNodeVolume vol;
final String key = volume.getCacheString();
if (m_caching && m_cache.containsKey(key)) {
vol = m_cache.get(key);
} else {
// create the new volume
final vtkImageData vtkImg = m_converter.getVTKImageData(volume);
// copy the current settings if possible
if (m_current != null) {
final TransferFunctionBundle gray = new TransferFunctionBundle(m_current.getBundleGray());
final TransferFunctionBundle rgb = new TransferFunctionBundle(m_current.getBundleRGB());
vol = new Viewer3DNodeVolume(vtkImg, volume, gray, rgb);
} else {
vol = new Viewer3DNodeVolume(vtkImg, volume);
}
if (m_caching) {
m_cache.put(key, vol);
}
}
m_current = vol;
vol.setMapper(m_mapper);
return vol;
}
/**
* If this method is called, all images cached by this instance will be deleted by a call to the
* vtkImageData.Delete() method.<br>
* This means that the memory of all images will be freed, regardless if one of the images is
* currently being rendered!
*/
public final void delete() {
if (m_cache != null) {
for (final Viewer3DNodeVolume v : m_cache.values()) {
v.delete(false);
}
m_cache.clear();
}
m_converter = null;
m_current = null;
m_cache = null;
m_mapper = null;
m_axes = null;
}
