Hi all.
This is quite an old “problem”:
There seems to be a horizontal light and three point lights.
But for all the possible normals (3 directions) we have a single linear grey-scale!
Many grays are used for many different parts of the sphere, even when normals are completely different!
Is there somewhere a bitmap image we can edit for this?
Or other ways to add/remove lights, change locations/intensity and even color?
… that leads us to situations like this, where even distinguish between different faces is almost impossible.
a cube from side.
2 cubes.
a cube and a pyramid.
Other situations with complex geometries are common…
The usual normal map have 3 colors and lets you understand better the shape of an object:
or at least lets easily distinguish between different faces.
Was this problem solved in some way by other softwares?
As we want each object with its own color, i’m thinking of using 3 colors in the same way of the RGB normal map (120° each-other) but with:
- the chosen color
- a dark version of the color
- a light version of the color
That way we could have a full sphere where no color is used twice!
Sorry for the long post… 
