<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_1_1449128347368_21323">Dear group,</div><div id="yui_3_16_0_1_1449128347368_21324"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">I would like to use two clipping boxes to "cut off" the top and side in my model to better visualize lighting distribution in my design.</div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">I have tried to include two clipping boxes in a clipping box octree:</div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">oconv objects/BOX_top.rad objects/BOX_PL2-3.rad > octrees/Clipping_box.oct<br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">I then use vwrays for illustration:</div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">vwrays -fd -vf views/View_perspective.vf -x 1000 -y 1000 | rtrace -w -h -fd -opd octrees/Clipping_box.oct | rtrace -w -ab 1 -fdc `vwrays -d -vf views/View_perspective.vf -x 1000 -y 1000` octrees/office.oct > images/office.pic<br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">My problem is that the only things that seem to be "cut off" is the intersecting part of the two boxes.</div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">Is there a way to work with two clipping boxes to "cut off" the top and side in a model for better visualization of the lighting distribution?</div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">Any input is much appreciated.</div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">Best regards</div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr"><br></div><div id="yui_3_16_0_1_1449128347368_21325" dir="ltr">Per Haugaard</div></div></body></html>