Hi,

I am creating a vaulted aisle (like in a gothic cathedral). The shape of the
vault is not a sphere or a cylinder, it is a complex mathematic surface
function. I need to make it look like made of bricks using the 'brick'
pigment but I can not find the way to make the bricks to appear correctly.

I build the surface with a mesh made of triangles calculated on the fly
using the 3D function (much faster than the corresponding isosurface).

To apply the bricks, I am using uv_mapping and uv_vectors but always the
bricks appear well on the upper side (almost horizontal) but highly
distorted in the almost or completely vertical surfaces in the lower part.
If I try to calculate the uv_vectors to take the appropriate portion of the
brick pigment, then the pigments on each triangle doesn't match with their
neighbours.

I feel that I'm walking in the wrong direction. Any lights?

Thanks,
Zoly

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