<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Jesus,<div><br></div><div><br></div><div>Good to hear that at least the plotting works!</div><div><br></div><div>Just to supplement what Emmanuel wrote:</div><div><br></div><div><div>For the 'TRACE' option there is currently no support for Octave. </div><div><br></div><div>If you want to visualise in 3D you can alternatively try using the 'VRML' output option - which has the caveat that maximum ~1000 rays in practice can be visualised. If you have FreeWRL or another VRML/x3d browser installed this can then be used to open the resulting mcdisplay_commands.wrl (example attached) and get the type of graphics you find attached.</div><div><br></div><div>In principle there is also a Scilab option - which unfortunatlely only works with the specific 4.0 version of Scilab and also not nice to use...</div><div><br></div><div>Best,</div><div><br></div><div>Peter</div><div><br></div><div></div></div></body></html>