[Bf-cycles] Cycles range mapping math node

[gandalf3]

This is doable with a node group, but a built in node to match the 
compositor would be nice.

However, what can't be done with a node group is a *normalize* node 
(like the compositor), as this requires calculating the min and max 
values, which AFIAK can't be done with math nodes. How feasible would it 
be to implement such a node?


On 06/10/2016 07:21 PM, Mohamed Sakr wrote:
> Hi,
>
> is there a range mapping math node in Cycles?
> consider a texture input "or any attribute", it is an array of data, 
> ranging [start, end], this node will do a pre-calculation to a new 
> texture using the required range [newStart, newEnd].
>
> this will help a lot.
> I can do it, just need a hint on: where to write the new functions 
> "which files/functions that are related to writing a new node".
>
> and any suggestions would be helpful.
>
> cheers,
> Mohamed Sakr
>
>
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