[Haskell-cafe] Find a point inside (x,y,z) -> Bool
Janis Voigtländer
janis.voigtlaender at gmail.com
Thu Oct 29 09:36:39 UTC 2015
What if it is additionally known that the shape represented by (x,y,z) ->
Bool has a closed, convex area (for example)? Most likely there are then
techniques from algorithmic geometry that can find an inside point more
efficiently than by iterating blindly through all coordinate triples.
Am Donnerstag, 29. Oktober 2015 schrieb Tom Ellis :
> On Thu, Oct 29, 2015 at 10:01:49AM +0100, martin wrote:
> > I hope this is not a too silly question. It goes like this:
> >
> > Suppose I have a shape defined as
> >
> > (x,y,z) -> Bool
> >
> > how can I find a Point inside this shape? Obviously I could iterate
> through all possible x,y and z, but this appears
> > very expensive.
>
> There is no better way in general, so if you want to find points inside a
> shape you should use a different encoding of shapes.
>
> Tom
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