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Ramon F Herrera wrote:
> I am trying to create the image of a signature with Photoshop CS2, but
> have found 2 problems.
> 
> (1) The original signature image is monochrome, and I am trying to use
> the "Replace Color" tool to make it look like blue ink, but can't make
> the desired change. I have successfully used the "replace color" in
> the past.
> 
> (2) I would like the background to be transparent (I am using PNG) but
> have no clue on how to do that.

Go to the Help menu.
Paste the line below into the search window:
Change pixels to transparent with the Background Eraser tool

Then for the color - go to Image -> Adjustments -> Hue and Saturation
Click the little box [ ] Colorize
Slide the Saturation to the right
Slide Hue until you get the color you want

Save as either GIF or PNG

On May 4, 8:38 am, John J <n...@droffats.ten> wrote:
> Ramon F Herrera wrote:
> > I am trying to create the image of a signature with Photoshop CS2, but
> > have found 2 problems.
>
> > (1) The original signature image is monochrome, and I am trying to use
> > the "Replace Color" tool to make it look like blue ink, but can't make
> > the desired change. I have successfully used the "replace color" in
> > the past.
>
> > (2) I would like the background to be transparent (I am using PNG) but
> > have no clue on how to do that.
>
> Go to the Help menu.
> Paste the line below into the search window:
> Change pixels to transparent with the Background Eraser tool
>
> Then for the color - go to Image -> Adjustments -> Hue and Saturation
> Click the little box [ ] Colorize
> Slide the Saturation to the right
> Slide Hue until you get the color you want
>
> Save as either GIF or PNG


Thanks a lot. It worked like a charm.

With such good results, I am getting more ambitious. Some of the
signatures have traces (not sure whether in the original paper, or as
a result of the digital manipulations) which are too thin.

How can I make the signature traces thicker?

TIA,

-Ramon

On 5/4/09 11:13 AM, in article
2a3ff57a-8213-4316-bd1e-ff6712cd91ef@q2g2000vbr.googlegroups.com, "Ramon F
Herrera" <ramon@conexus.net> wrote:

> 
> Thanks a lot. It worked like a charm.
> 
> With such good results, I am getting more ambitious. Some of the
> signatures have traces (not sure whether in the original paper, or as
> a result of the digital manipulations) which are too thin.
> 
> How can I make the signature traces thicker?

You can try copying the layer to another layer (control j), then set the
mode of the second layer to Multiply.

On Mon, 4 May 2009 01:12:31 -0700 (PDT), Ramon F Herrera wrote:

> (1) The original signature image is monochrome, and I am trying to use
> the "Replace Color" tool to make it look like blue ink, but can't make
> the desired change. I have successfully used the "replace color" in
> the past.

Use Image>Adjust>Hue/Sat, click on the Colorize button, and adjust the Hue
and Lightness sliders to get the color you want.  Do this step after taking
care of transparency as explained below.

> (2) I would like the background to be transparent (I am using PNG) but
> have no clue on how to do that.

0) Alt double-click on the background layer in the layer palette to make it
a normal layer
1) use Layer>Mask>Reveal All to create a layer mask.  
2) Copy your original signature to the clipboard (ctrl-A, ctrl-C)
3) alt click on the layer mask in the layer palette, and paste the
signature to the layer mask.
4) invert the layer mask (ctrl-I) and you're set.

BTW - you can get a fairly good result by clicking on the signature
background with the magic wand tool, then pressing the delete key.  The
quality will not be as good as what you will get with the above procedure.
-- 
Mike Russell - http://www.curvemeister.com

On May 4, 9:56 pm, Mike Russell <group...@MOVEcurvemeister.com> wrote:
> On Mon, 4 May 2009 01:12:31 -0700 (PDT), Ramon F Herrera wrote:
> > (1) The original signature image is monochrome, and I am trying to use
> > the "Replace Color" tool to make it look like blue ink, but can't make
> > the desired change. I have successfully used the "replace color" in
> > the past.
>
> Use Image>Adjust>Hue/Sat, click on the Colorize button, and adjust the Hue
> and Lightness sliders to get the color you want.  Do this step after taking
> care of transparency as explained below.
>
> > (2) I would like the background to be transparent (I am using PNG) but
> > have no clue on how to do that.
>
> 0) Alt double-click on the background layer in the layer palette to make it
> a normal layer
> 1) use Layer>Mask>Reveal All to create a layer mask.  
> 2) Copy your original signature to the clipboard (ctrl-A, ctrl-C)
> 3) alt click on the layer mask in the layer palette, and paste the
> signature to the layer mask.
> 4) invert the layer mask (ctrl-I) and you're set.
>
> BTW - you can get a fairly good result by clicking on the signature
> background with the magic wand tool, then pressing the delete key.  The
> quality will not be as good as what you will get with the above procedure.
> --
> Mike Russell -http://www.curvemeister.com

Excellent advice. Couldn't have said it better myself. I'm not kidding
or being a wiseguy, either. We write books about Adobe apps and that
"Paste in the Help" line was just wonderful. I would never have
thought about it -- relying instead of talking too much ;)

gary in florida