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Subject: Ask:how to create bump?

Aioria opened this issue on Mar 21, 2007 · 13 posts
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Aioria ( ) posted Wed, 21 March 2007 at 7:42 AM · edited Thu, 06 February 2025 at 7:10 PM

I would like to use Photoshop to create bump following pictures  and how?

Ofthepast ( ) posted Wed, 21 March 2007 at 12:57 PM

Huh?

Hoofdcommissaris ( ) posted Wed, 21 March 2007 at 2:27 PM

Yes. That is possible. In many ways.

Aioria ( ) posted Wed, 21 March 2007 at 7:05 PM

How do?Can do you talk about?

Aioria ( ) posted Thu, 22 March 2007 at 9:15 AM

file_372580.jpg

Who can  teach me create bump this picture?

thundering1 ( ) posted Fri, 23 March 2007 at 10:20 PM

Basically, what is lighter will be a higher bump - lighter goes higher - darker goes lower - it will actually look like it drops BELOW the surface.

thundering1 ( ) posted Fri, 23 March 2007 at 10:20 PM

file_372721.jpg

Forgot to put the image! Sorry! -Lew ;-)

thundering1 ( ) posted Fri, 23 March 2007 at 10:28 PM · edited Fri, 23 March 2007 at 10:29 PM

file_372722.jpg

And here is the color image you supplied, with the blak&white image I made as a bump map.

This is a simply almost flat cube with the texture applied, and alightslightly above and behind the make shadows so you can see the results in a more obvious way.

Hope that helps-
-Lew ;-)

Aioria ( ) posted Thu, 05 April 2007 at 5:15 AM

Can you give detailed operation?

thundering1 ( ) posted Mon, 09 April 2007 at 2:15 PM

Sorry this took me so long to respond - I'm going to make you directions in a little while - got a lot of Photoshop to get through at the moment but I wanted you to know I wasn't ignoring you.
-Lew ;-)

Aioria ( ) posted Mon, 09 April 2007 at 11:09 PM

 Thx!

I am also looking forward to your reply .

thundering1 ( ) posted Tue, 17 April 2007 at 3:58 PM

file_375074.jpg

I'm SO sorry this took so long for me to do for you!

Okay, here's the deal - this is the most basic way to make a decent Bump map for 3D from a photograph.

1 - Make it Black&White by making a Hue/Saturation Adjustment Layer - click the little circle with F in it at the bottom of the Layers Palette - choose Hue/Saturation, move the Saturation Slider all the way to the Left to make it B&W.

2 - Shift+Ctrl+N (PC) or Shift+Cmd+N (Mac) to make a new Layer - change the Mode to Soft Light. Make sure it is in the middle in the Layer stack, below the Hue/Sat Layer.

3 - Get a Soft Brush, set to 100% opacity and flow, hit "d" to get the colors Default Black and White, and paint where directed. White for anywhere you want the bump to "rise" and black where you want the bump to "lower".

It is a good idea to save your progress at this point as a Photoshop Document - preserving all the layers so (if you want to) you can edit them further later.

Flatten the Layers (little right Arrow at the uper right corner of the Layer Palette - choose Flatten) and save as a TIF. Feel free to change the color space to Greyscale (Image>Mode>Greyscale) to lessen the file size. all color information will be discarded making it much smaller, and by saving it as a TIF (NOT a jpeg) it willnot be compressed and have artifacting at the edges which can make your bumps look funny.

Hope that helps - good luck and let me know if any of it is still unclear. Take care-
-Lew ;-)

Aioria ( ) posted Thu, 19 April 2007 at 10:08 AM

Thanks.Benefited much from the deal.

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