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Nicolas Alvarez <nic### [at] gmail com> wrote:
> SharkD wrote:
> > "clipka" <nomail@nomail> wrote:
> >> it's not very easy to tell, given the low resolution - but it is quite
> >> obvious that the red channel is most significant. So I'd guess that the
> >> height is coded as:
> >>
> >> height = red + (green/256.0) + (blue/65536.0)
> >>
> >> with red, green, blue and height all ranging from 0.0 to 1.0.
> >
> > I don't quite understand your math. If red, green and blue all range from
> > 0 to 1, then the maximum possible height is 3. The maximum height of
> > heightfields is 1.
>
> Those maths assume red, green and blue go from 0 to 255, and height would be
> from 0 to 16777216.
OK, but 255 + 255/256 + 255/65536 still don't add up to 16777216!
-Mike
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