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Karl
Bipolar (III) Inmate

From: Phoenix
Insane since: Jul 2001

posted posted 07-03-2001 22:50

Hello,

I have layer with black stuff on it.... i have another layer with black stuff on it (writing)... i want the writing to come through as white where it intersects stuff on the black layer (like a checkerboard effect). How can I do this?

Thanks!

warjournal
Maniac (V) Mad Scientist

From:
Insane since: Aug 2000

posted posted 07-03-2001 22:58

Sounds like a job for Blending mode Screen or Multiply. Might have to change Layer order.

Maybe some quick Alpha (intersect) work will do the trick.

Ahhh.... that's about the extend of my thinking capacity right now.

moaiz
Maniac (V) Inmate

From:
Insane since: Nov 2000

posted posted 07-03-2001 23:38

.

[This message has been edited by moaiz (edited 07-12-2001).]

taxon
Neurotic (0) Inmate
Newly admitted
posted posted 07-03-2001 23:54

Let's try to keep the racial comments to ourselves boys and girls.... keep it clean.... keep it clean....

silence
Maniac (V) Inmate

From: soon to be "the land down under"
Insane since: Jan 2001

posted posted 07-04-2001 00:18

Methinks taxon may be getting a bit too much sun this summer...

warjournal
Maniac (V) Mad Scientist

From:
Insane since: Aug 2000

posted posted 07-04-2001 02:03

A clipping group could work as well. Need more details.

For example, do the Layers in question have transparency? Is the white the only thing on the Layer and everything else is transparent? Or are there other opaque pixels to worry about?

Hard to tell without seeing it/them or having more details details details.

Clipping group? Does that sound good?

warjournal
Maniac (V) Mad Scientist

From:
Insane since: Aug 2000

posted posted 07-04-2001 02:29

Show off!

Kai, eh? What, no link?

Steve
Maniac (V) Inmate

From: Boston, MA, USA
Insane since: Apr 2000

posted posted 07-04-2001 04:27

Karl:
What's on those layers where it isn't black? Is it black on white? Black on gray? Black on transparent? That might have some bearing on what you can do with blending modes. Thoe only one I can thnk of that would reverse the tonality is of course difference, but the backgrounds will be affected too...

3rdperson
Paranoid (IV) Inmate

From: your subconscious. (scared yet?)
Insane since: May 2001

posted posted 07-04-2001 08:04

threep offers his solution:
"if i have interpreted what you've said correctly, than this should work:
1) click on the layer that isnt text.
2) now, crtl+click the layer.
3) now, crtl+alt+shift click the text layer.
4) now, press crtl+i.
presto!
i think if you did it the other way around - with the text layer selected, it wouldnt work unless the text was rendered - converted from vector text to pixels.
and alternative for step 4 is to open a new layer, and fill the selected areas in white. your choice."

mahjqa
Maniac (V) Mad Scientist

From: The Demented Side of the Fence
Insane since: Aug 2000

posted posted 07-04-2001 10:50

text in white; blending mode set to difference. Try it.

vogonpoet
Maniac (V) Mad Scientist

From: Mi, USA
Insane since: Aug 2000

posted posted 07-04-2001 20:20

Using PS Calculations.......


Mini Tut is here ---> http://worldzone.net/ss/vogonpoet/intersect/index.htm

zipped psd 48kb

http://www.worldzone.net/ss/vogonpoet/intersect/intersect_sml.zip

~Vp~

edit: ymmv.. author is not an expert and achieved this through trial and error heh

[This message has been edited by vogonpoet (edited 07-04-2001).]

Steve
Maniac (V) Inmate

From: Boston, MA, USA
Insane since: Apr 2000

posted posted 07-04-2001 21:35

Nice job VP!!

BilliamSTAR
Nervous Wreck (II) Inmate

From: AZ, USA
Insane since: Jun 2001

posted posted 07-05-2001 07:17

Here is something I tried...



I made it a while ago for my school's lit mag...It has similar effects to what you were looking for but I just played around with layers and their settings (dodge, normal, etc...)

Karl
Bipolar (III) Inmate

From: Phoenix
Insane since: Jul 2001

posted posted 07-05-2001 17:53

Thanks for all the help folks!

Say, where is the "calculation" menu???
..and, I tried to the ctrl shift of the layer, the the ctrl-alt shift select of the text layer, then inverse the colors, but the black turned to greyish black.... so that seemed to almost work, however i had a "yucky" pixelation of the edges going on...


warjournal
Maniac (V) Mad Scientist

From:
Insane since: Aug 2000

posted posted 07-05-2001 18:54

Image > Calculations

Also Kai's Tips. Tips #1 and #2.


Karl
Bipolar (III) Inmate

From: Phoenix
Insane since: Jul 2001

posted posted 07-05-2001 19:28

Okay got it! Thanks, and this is a great example of Channels!!!
I managed to succesfully use the calculations command to achive an alpha channel of a subtraction of the black and white colors, then managed to fill a new layer with the results of the channel selection.
I have to admit, I thought there would be a simpler way, but I guess not.




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