Once a PEC or PMC node has been created on the Navigation Tree, you can draw objects in the project workspace, and they will be added under that node. In other words, all the CAD objects belonging to a PEC or PMC group have the same color or texture.
{| style="width: 600px" border="1" cellspacing="1" cellpadding="1"| class="rtecenter" style="vertical-align: bottom" |[[Image:FDTD2.png]]| class="rtecenter" style="vertical-align: bottom" |[[Image:FDTD3.png]]|}
Figure 1: [[FDTD Module]]'s PEC and PMC material dialogs.