ken, with all due respect to your gigantic intelligence and titanic
rendering abilities (not to mention your lynk bank), i did this exact
operation last week in 2 minutes.

Ken wrote:
> 
>  People (term used lightly in some cases),
> 
>   By sheer accident I ran into a terrible problem rendering a HF logo
> today. I was helping another Pov user via email who had sent me a logo
> image he wanted to try to render in 3d. The image he sent was in .tif
> format so to work with pov's HF object I first converted it to a .gif
> image. After writing the .pov scene to my satisfaction I then rendered
> the scene.
>   It was at this point I started doubting my abilities at using this
> program. The logo was was simply white text on a black background. One
> would expect that the results would be raised letters with a little
> background that could be easily removed with the water level modifier.
> Nope ! Did not look that way. Instead I got a solid block with the
> letters REMOVED !
>   I shook my head, scratched a few places, and then decided I had the
> colors reversed from what they should be. I opened the image in PSP and
> made a negative of the original. Upon rendering the scene again with the
> modified image I once again had exactly the same problem. WHAT you might
> now be saying ? I sure did !
>   This nonsense went on for about 20 min of trying various options but for
> the life of me I could not figure out what had happened to a proven method
> of 3d logo creation. It was only after shutting down the program, eating
> lunch, and considerable pondering did I discover the error of my ways.
>  I had saved the gif image with transparency set to the background color
> option set in PSP. When the pov went to render the file it found the
> transparency info contained in the gif image and was reversing (?) the
> operation of the HF process. Ultimately I re-saved with transparency
> disabled and it worked as expected.
> 
>   I just though you all might be interested in knowing that this too can
> happen to you and if it does you will know how to correct for it.
> 
> --
> Ken Tyler
> 
> mailto://tylereng@pacbell.net

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