I found the problem.  The issue wasn't the HF but rather the normal within
the HF that was causing the strange difference.  I read the megapov docs and
found that the normal doesn't behave the same way, so I used the "#version
official 3.1" at the very end of the povray file.  Now the HF looks as I
expect it to and the other features (glow lights, etcetera) are there as
well.  When all else fails read the docs!


"Patrick Dugan" <pat### [at] usticom> wrote in message
news:3a313b1d@news.povray.org...
> I tried rendering a scene using a few lights and a height field.  Under
> povray 3.5g the image appears normally, but under megapov 0.6a the HF
> appears very "flattish."  I used the "double_illuminate" addition after
> reading that post.  The "holes" went away but the HF is still very odd and
> doesn't look anything like the povray version.  The code is the same other
> than the version info:
>
> //#version 3.0
> #version unofficial MegaPov 0.6;
> global_settings {
>    assumed_gamma 2.2
>    max_trace_level 25
> }
>
> and the double_illuminate in the HF section.   In Megapov if I simply
change
> the
> version above (and nothing else) to version 3.0 (and not megapov) then the
> HF
> looks fine.   I also noticed some normals that gave a rippling effect to
> some spheres also seemed radically smaller.
>
>

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