Photoshop and Elements > Jacob's Ladder

Wow - blows my mind

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themightyzog:
There is an interesting posting

http://tech.groups.yahoo.com/group/colortheory/message/20162

that blows my mind and gives a lot of control.

I tried it on the London Regent St and it was really quite neat.

So can anybody deduce what on earth is happening!

Enjoy
Chris

Greg Groess:
so this is a ploy to make everyone join the yahoo group...

LOL

Greg

curvemeister:
Very interesting.  I haven't seen anything like this before - gotta try this later today.

I've often considered having an expanded axis for Lab corrections, since so many of the corrections, for a and b particularly, involve just a small range of curve values.

themightyzog:
I've played with it a little and tried it on the London photo and changing the colour of the car - both with great success.

It seems, to my mind, to be a super masking technique, so by selecting the channel one wants to duplicate across all channels, one effectively restricts the changes (colour or tone) to that mask.  What I find interesting and I didnt know before was that the Linear Light will act as a sort of Soft Light control for curving (in tone or colour).  It certainly is odd to be curving in the vertical direction to alter the image and one begins to want a line ability, rather than forumulated gentle curves, when points are altered - in my experiments I was for ever having to tie most of the curve back to the horizontal.

It seems a super way of doing things in odd situations, but I can not see that it would be very useful in the 'normal' run of pp-ing, but I need to experiment more.

I would love to hear your comments when you have a chance to try it out.

Regarding your comments about the a/b curving, then I have often thought that a 'zoom' control would be useful to enable one to alter curves more gently - not sure that it will give us the ablility to be able to do anything differently, but it would certainly be a great MMI feature.

Tother thing that I frequently use, and why this posting interested me, is the BlendIF facility.  BlendIFs adds that bit more control over which areas are changed.  However this idea blows BlendIFs completely out of the water.  What my mind can not grasp is how I can combine the power of CM with it's masks + this idea to have almost complete control over my corrections.  I really must re-examine the Linear Light blend mode (which I had dimissed as a gimic).  These strange (?) blend modes seem to becoming to the fore, what with Dan's idea of Vivid Light blend.

I think it is marvelous, that people are finding more and more ways of playing with corrections, when I had assumed that most of them had been discovered by now.

themightyzog:
and, of course, the other really useful feature that CM would bring to this, is that ability to interactively curve the choosen channel - super power!

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