On 01/31/2011 03:00 PM, Rob Antonishen wrote:
> Try this-
> After you have a rough sketch, create a new layer filled with Hue: 200
> Saturation: 60 Lightness 75 below your sketch layer and set your
> sketch layer blend mode to screen.  Your image will now look like it
> is drawn in non photo blue.
I must be misunderstanding you.  When you say to fill the layer with 
Hue: 200, Saturation: 60, Lightness: 75, I must not be doing what you 
want me to do.  The closest I can figure to fill the layer is to fill it 
with a color HSV 200, 60, 75.  Then if I make the layer blend mode of my 
sketch above it screen, my sketch disappears, although of course it 
comes back after I set the mode back to normal.
> Create a new white layer on top and set the mode to multiply and
> sketch over using black.
> When happy with that layer, change its mode to screen and move the
> blue layer below it.
> Repeat and rinse.
> -Rob A>
> On Mon, Jan 31, 2011 at 5:06 PM, Patrick Horgan<phorg...@yahoo.com>  wrote:
>> I'm reading "The DC Comics Guide to DIGITALLY DRAWING Comics" by Freddie
>> E Williams II.  In it he talks about a workflow where he does a rough
>> sketch, puts an adjustment layer over it with Hue: 200 Saturation: 60
>> Lightness+75, that makes the underlying rough sketch look like a
>> non-photo blue pencil sketch.  Then he refines the drawing, pops another
>> adjustment layer over it, and continues the process until he's happy.
>> Older versions get progressively pushed into the background in a
>> non-destructive way, although when he gets to the version he's happy
>> with he can delete all of the intermediate ones.  They're just steps in
>> the process.
>> Now GIMP doesn't have adjustment layers and although they're a
>> frequently requested thing, unless someone with time and expertise steps
>> up to do the development, the current team has their hands full with
>> other priorities for quite some time.  The move to gegl is more
>> important, and I'm sure would make this easier to implement.  So, I'm
>> not holding my breath.
>> What I'm looking for is a substitute.  Preferably a non-destructive
>> one.  I can turn down the opacity of layers gradually as they recede
>> into the drawing past, but that's annoying.  Alternatively, there's the
>> Hue Saturation Lightness tool, but I have no idea how to reproduce those
>> settings.  The numbers on that tool (assuming the master is chosen) have
>> no relationship to the numbers used in PS.
>> The Colorize tool seems more hopeful, you can enter those numbers into
>> the tool and it looks similar to what you want.  Of course it doesn't
>> affect any but that layer, so stacking them to progressively decrease
>> the visibility of the underlying older versions doesn't help.  You'd
>> still have to go into each of the older layers and manually decrease
>> their opacity.
>> Anyone have any better ideas?
>> Patrick
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