https://community.graphisoft.com/t5/Libraries-objects/How-to-use-EDGE-and-PGON-commands-versus-PLANE/m-p/171949#M19534 <DIV class="actalk-migrated-content"><T>I created a GDL object using PLANE command, however an error comes just for the 3D view as " Normal vector and edge 3 is not perpendicular in pgon 1. "<BR /> <BR /> The shape is drawn with a part missing in 3D. Although the HOTSPOTs and HOTLINES are drawn fully, which indicated that the problem is not in the equations used. I guess the engine does not create exactly the surfaces that I created, but recreates polygons and edges of its own.<BR /> <BR /> I wonder if I can try re-writing the script using EDGE and PGON. I looked at the script of the GDL object " Tensile Roof 13" which has some common features with my object, however I don't quite understand how these commands work. I have two loops showing all the points by x(n, m), y(n, m) and z(n, m). How can I allocate indices to the EDGE and PGON?<BR /> <BR /> Please advise.<BR /> <BR /> Thank you.</T></DIV> Tue, 13 Jul 2010 13:41:19 GMT Anonymous 2010-07-13T13:41:19Z https://community.graphisoft.com/t5/Libraries-objects/How-to-use-EDGE-and-PGON-commands-versus-PLANE/m-p/171949#M19534 <DIV class="actalk-migrated-content"><T>I created a GDL object using PLANE command, however an error comes just for the 3D view as " Normal vector and edge 3 is not perpendicular in pgon 1. "<BR /> <BR /> The shape is drawn with a part missing in 3D. Although the HOTSPOTs and HOTLINES are drawn fully, which indicated that the problem is not in the equations used. I guess the engine does not create exactly the surfaces that I created, but recreates polygons and edges of its own.<BR /> <BR /> I wonder if I can try re-writing the script using EDGE and PGON. I looked at the script of the GDL object " Tensile Roof 13" which has some common features with my object, however I don't quite understand how these commands work. I have two loops showing all the points by x(n, m), y(n, m) and z(n, m). How can I allocate indices to the EDGE and PGON?<BR /> <BR /> Please advise.<BR /> <BR /> Thank you.</T></DIV> Tue, 13 Jul 2010 13:41:19 GMT https://community.graphisoft.com/t5/Libraries-objects/How-to-use-EDGE-and-PGON-commands-versus-PLANE/m-p/171949#M19534 Anonymous 2010-07-13T13:41:19Z