On 09/13/2016 11:51 AM, William F Pokorny wrote:
> On 09/12/2016 04:14 PM, clipka wrote:
>> Am 11.09.2016 um 20:54 schrieb clipka:
>>> Work in progress.
>>
>> Source code available now here:
>>
>> https://github.com/c-lipka/povray/tree/feature/potential_pattern
>>
>> Integration into POV-Ray proper to follow later.
>>
>>
>
>     pigment {
>       potential { BLOB | ISOSURFACE }
>       [ threshold BOOL ]
>       [ PIGMENT_MODIFIERS... ]
>     }
>
> Looking just at simple blob so far I see a few things.
>
> 1) Wondering it the option [threshold BOOL] should be inside the
> potential block syntactically?
>
> 1a) I could not seem to get the threshold option to function.
>
> 2) See attached image. I think the potential value is turning on filter
> and/or transmit as the value approaches 1.0. We should not be able to
> see the green y axis below the plane.
>
> 3) See attached image. Something odd is going on with the shadows cast
> over the >0 blob potential areas - and where the strength is set to 1
> especially.
>
> Bill P.

Of course I only think "Did I specify a color_map instead of default?" 
after I hit send... I did, blast it.

Forget the filter/transmit getting turned on - though I think there is 
still something off about the shadows with it on.

Wonder if that is unrelated to the potential pattern.

Bill P.

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