Is there a setting or is it a bug that Non-rectangular Viewports only display correctly if the viewport layer AM_VIEWS is not frozen or on? We typically toggel the visibility with the command amlayvpo. This is not just visual the non-rectangular viewport will not plot properly.
Troy Nageotte
Inventor Professional 11 SP3
MDT 2007 SP2
Windows XP SP2
CAD Manager
Watchtower