Re: [Flightgear-devel] Double sided in Blender

2009-06-20 Thread Roy Vegard Ovesen
On Friday 12 June 2009 07:20:25 Innis Cunningham wrote: Thanks Gary I don't think that is it I have checked the normals and flip them to no avail. Correct me if I am wrong but if the object is double sided then you should not be able to see through it from one side.As I said before when the

Re: [Flightgear-devel] Double sided in Blender

2009-06-12 Thread Gary Neely
Innis, Now you have me puzzled and I love a puzzle. Yes, an object that is marked as double-sided should render both sides, because in effect the double-sided toggle is telling the render engine to consider each polygon as two polygons with the normals inverted. If you like, feel free to take

[Flightgear-devel] Double sided in Blender

2009-06-11 Thread Innis Cunningham
Hello All I am trying to build a hangar with Blender 2.48 not a hard task you might say but for some reason when I join two objects to one some of the sides become single sided that is they become transparent from one side in FG.If I leave them as separate objects they show double sided in

Re: [Flightgear-devel] Double sided in Blender

2009-06-11 Thread Gary Neely
Innis, It sounds like some polygon normals are inverted. This is pretty common after joins. After doing a join on objects in Blender, select your object, go to Edit mode, and on the button bar find the Mesh Tools More menu. From there, select Draw Normals. The normal is a line perpendicular to

Re: [Flightgear-devel] Double sided in Blender

2009-06-11 Thread Innis Cunningham
Thanks Gary I don't think that is it I have checked the normals and flip them to no avail. Correct me if I am wrong but if the object is double sided then you should not be able to see through it from one side.As I said before when the faces concerned are separate objects they show double sided