protected void setVolumeData(VolumeData v) { nBytes = 0; volumetricOrigin = v.volumetricOrigin; volumetricVectors = v.volumetricVectors; voxelCounts = v.voxelCounts; voxelData = v.getVoxelData(); volumeData = v; /* if (mustCalcPoint) v.setDataSource(this); */ }