Therion itself does not provide this output.<div><br></div><div>But VTK toolkit, that is used by Loch, can calulate volume of polygon mesh. It should not be a problem to add this tool to loch viewer, but I am not sure about the precision.</div>

<div><br></div><div>Would you like to use it on 3D from scraps ar LRUD data?</div><div><br></div><div>S.<br><br></div>