I've done some more research.

Using mesh and translate

Without Focal-Blur
***************
Ghost-effect
Objects are traced, but averaged
with background-color/sky_sphere

With Focal-Blur
************
Ghost-effect area simply vanishes

Using mesh and no translate

Everything works as expected

Using union and translate
Everything works as expected

The bug appears only with
Quality set to 6 or higher, so
probably has to do with textures.
(No warps in the textures, doesn't
matter if texturing is done for each
instance, or only once for the mesh)

When using no transparency on the
textures, the bug also doesn't appear,
but with any transmit-value, the
ghost-effect isn't altered.

When using -UV (not using vista
buffers), the ghost-effect doesn't take
place, but there's no object either.

Light Buffers, Hierarchy in Meshes,
Unnessecary-Bounding-Removal,
Automatic-Bounding, Split_Unions,
these all don't change a thing.


triangles is of no concern, I've added some lines
of code to check for degenerate triangles, and
my algorithms always return unit-length-normals.

Comparing union{}-workaround with mesh{}:
240MB vs 1.6MB Peak Memory...

I don't know if anyone can read any sense
out of this, but always feel free to ask.

--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html

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