How does one create a non square normal map like 1024x512 in zbrush 3.5?
There is no ZBrush setting to create non-square maps in ZBrush 3.5.
But you could place your UVs so they fit within the (0 , 0) to (1 , 0.5) UV space which would effectively result in a normal/displacement/color map of 1024x512, or 2:1 ratio. You would of course need to crop the resulting texture in an image editor.
Placing the UVs will require a secondary application capable of low level UV operations.
ah good idea. I was trying to create 2 uv tiles and combining them in photoshop. Unfortunately i was getting vert order issues.
just to help anybody that see this.
to solve the vertex order issue from max, you need to convert from editable poly to mesh and back a few times.
I have no idea why this is the case.