Double normals and changng color

jerrylynnb · 9th September 2007, 02:56 AM

I am new. I was able to create half a globe (a sphere and then delete half of the vertices), but, only one side is visible, and it becomes invisible when I rotate it. How do I get AC3D to convert this object so that both sides have normals, and you can see the inside as well as the outside? NOTE: I achieved this in a round about way, but flipping the normals , then creating another sphere and slicing it in half, and then merging the two objects - not a good solution because the headlight view showed a black "ghost" where the two half spheres were not exactly on the same vertices.

Assuming there is a simple way to instruct AC3D (v6.0) that all surfaces should be visible ON BOTH SIDES, then, how do I change the color from the default gray, so that, say, the outside would be a dim red and the inside would be a dim yellow?

That way, when I rotate this half sphere (with only headlight), then I could easily distinguish the inside from the outside.

Thanks. Jerrylynnb

9th September 2007, 02:56 AM	#1
jerrylynnb Member Advanced member Join Date: Dec 2004 Posts: 30	Double normals and changng color I am new. I was able to create half a globe (a sphere and then delete half of the vertices), but, only one side is visible, and it becomes invisible when I rotate it. How do I get AC3D to convert this object so that both sides have normals, and you can see the inside as well as the outside? NOTE: I achieved this in a round about way, but flipping the normals , then creating another sphere and slicing it in half, and then merging the two objects - not a good solution because the headlight view showed a black "ghost" where the two half spheres were not exactly on the same vertices. Assuming there is a simple way to instruct AC3D (v6.0) that all surfaces should be visible ON BOTH SIDES, then, how do I change the color from the default gray, so that, say, the outside would be a dim red and the inside would be a dim yellow? That way, when I rotate this half sphere (with only headlight), then I could easily distinguish the inside from the outside. Thanks. Jerrylynnb