<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Cris<br class=""><br class="">By adding extra sides to your footprint, (see attached) connecting the internal holes to the outer boundary, you can convert your polygon to a simple polygon, with no internal holes, and then represent that polygon with an IndexedFaceSet<br class=""><br class=""><div class="">The NurbsTrimmedSurface node allows can represent such a surface with internal holes, but this node is unsupported by most X3D browsers, and it is not supported in X3DOM.<br class=""><br class=""><img height="428" width="426" apple-width="yes" apple-height="yes" apple-inline="yes" id="67ACB1FC-8CDE-4480-A392-22BF040451CE" src="cid:C73370F1-AF2E-45DB-84B4-56F6EFF3363A@gateway.pace.com" class=""><br class=""><blockquote type="cite" class="">On Dec 15, 2014, at 4:12 AM, Cris Lacumba <<a href="mailto:cris.lacumba@gmail.com" class="">cris.lacumba@gmail.com</a>> wrote:<br class=""><br class="">Hello to all,<br class=""><br class="">I'm trying to represent the 2D footprint of a building.However, some of them have patios or holes inside the footprint. (see the attachment)<br class="">How can I represent that using IndexedFaceSet?<br class=""><br class="">Thanks in advance<br class=""><br class="">Best regards<br class=""><br class="">Cris <br class=""><footprint2D.png>_______________________________________________<br class="">X3D-Public mailing list<br class=""><a href="mailto:X3D-Public@web3d.org" class="">X3D-Public@web3d.org</a><br class="">http://web3d.org/mailman/listinfo/x3d-public_web3d.org<br class=""></blockquote><br class="">Vincent Marchetti<br class=""><a href="mailto:vmarchetti@ameritech.net" class="">vmarchetti@ameritech.net</a><br class=""><br class=""><br class=""><br class=""></div></body></html>