Richard Smith wrote:
> "Hughes, B." <omn### [at] charternet> wrote:
>>"Richard Smith" <rms### [at] penet> wrote:
>>>Your Blue Mars effort inspired me.  I had been wanting to create a
>>>spherical height field for analyses that I was doing on Mars' surface features.  I
>>>created an isosurface based on a Mars topo map as pigment.  The attached
>>>image is the result so far (without the ocean sphere).  I can't seem to
>>>get a complete map of the surface in spherical form.  Weird.  Is your map
>>>complete?
>>Seeing as you haven't gotten a reply here yet, looks like the median pigment
>>value is at the threshold. Meaning, maybe you could change 'threshold' to
>>something other than 0 (greater than) and get the rest to show up. Either
>>that or a max_gradient being too low, but that usually doesn't appear so
>>clean in my experiences.
>>
>>So if this was done by adding the function to a sphere the black parts are
>>probably ending up less than zero and so below the container sphere's
>>surface, if I'm thinking of all this correctly. I might be way off.
>>
>>To Timothy Cook:  Wow! That's a beautiful view from space!
> I'll check the things you mentioned.  I'm not entirely sure I am using
> isosurface correctly.
> Thanks for the suggestions.

Er...whoah, I didn't even see these replies originally...sorry!  ^_^;;

Hang on, let's see if your post is still there...

-- 
Tim Cook
http://home.bellsouth.net/p/PWP-empyrean

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