Sijun Forums :: View topic - New tutorial: Separating a Drawing From Its Background

eyewoo · Posted: Sun Mar 23, 2003 7:06 am

I've put up a new tutorial on my site. It demonstrates a very effective way of separating the lines in a drawing from its background using Photoshop.

clicky here: Separating a Drawing From Its Background

Frog · Posted: Sun Mar 23, 2003 9:03 am

Fair enough, that's one way to do it Smile

I find it's easier to just have the sketch on a "multiply" layer, does pretty much the same thing (makes the white parts invisible) without all the other steps.

I did learn something though, I knew you could select channels individually but I didn't know that it was possible to create a selection based on the RGB channels just by clicking on the selection icon in the channels palette Smile

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eyewoo · Posted: Sun Mar 23, 2003 10:29 am

Frog... That is the way most people do it I suspect. However, using the method described in my tutorial, there are more options available to the artist. For example, if the lines are filled with a lighter color - which I like to do - the colors applied to areas underneath the lines will have less if any effect in the lines. It also allows the artist to manipulate the lines' colors or intensity in selected parts with predictable results. All in all, I believe it is better to work color underneath line work than on top of it.
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liv the fish · Posted: Sun Mar 23, 2003 7:48 pm

oh...nevermind then.
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eyewoo · Posted: Mon Mar 24, 2003 7:17 am

fish...

B0b · Posted: Tue Mar 25, 2003 2:01 am

lets not forget the Mac users out there - whenever u see ctrl exchange it for Command(thats the Apple Key to those ppl who were taught by Mac N00bs Wink

)

Matthew · Posted: Tue Mar 25, 2003 5:19 am

Hello eyewoo.
I saw you gave this tip to another dude in the wip section and I think it�s great, I usually work with multiplying layer�s but I see that this can come in handy with manipulating the line colors. Very good.

Thank you Smile

Matthew

P.S. You site upgrade is awesome. Smile

eyewoo · Posted: Tue Mar 25, 2003 6:41 am

Thanks... Yeah... for the first time I have some real control over collecting statistics on the site - which pictures are being looked at and which are not. It's real interesting...
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Christian + · Posted: Tue Mar 25, 2003 9:35 am

Hey thanx for the tip man! Don't I feel stupid now ?! I've used "multiply" layer mode all my life and thought .... uhkh what a damn thing to be unable to change the sketched outline color ealisy.
I used to change the artwork's mode to duotone, set the color I want and then drag it back to the RGB or CMYK artwork.

I have an execellent book on Channels in Photoshop, it's called "Photoshop Channel Chops" New Riders edition.
It says everything you gotta know about channels and how to manipulate them.
I didn't read all of it ..... but i will tonight. If i did, it would have spared me a lot of time and work.

thanx again.
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eyewoo · Posted: Tue Mar 25, 2003 10:03 am

Yeah, if you're involved in scanning artwork for working with it in Photoshop, that little, relatively unknown button, is probably the most important button... Shocked

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wycliffeart · junior member Member # Joined: 04 Nov 2002 Posts: 24

Hey, that's pretty cool. It's actually very similar to the way I do it. Only I paste the line art into a new chanel and invert the image and then load it as a selection and fill. It's about the same number of steps as here. But I agree completely about the advantages of actually having lines with a transparency as opposed to multiply.

eyewoo · Posted: Thu Mar 27, 2003 4:29 am

Yep! That essentially does the same thing... Smile

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Shadow-X- · Posted: Fri Apr 04, 2003 7:41 am

Heya, just checked out your tutorial, and I must say, very helpful!
I know there are a billion ways to do one thing in any situation, and me being the not-so-avid user of photoshop I'd like to be, it helped a lot. I think I may just have to go scan in some of my doodles, and start digitizing!

Would a quick thank-you make me look like a foo, eyewoo ?

perhaps a quick haiku,
erm.... maybe not today.

Great tip, and thanks! Your website is very interesting, helpful, and insightful!
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Godwin · Posted: Fri Apr 04, 2003 11:31 pm

channels, never really figured out how to use them effectively, ive only barely touched them for making lighting effects in web design
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gArGOyLe^ · Posted: Sun Apr 06, 2003 6:18 pm

Thanks eyewoo.. very helpful Smile