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In samnite Photoshop white to transparent? - bug-code.com Q&A

In samnite Photoshop white to transparent?

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Dear %username%,

Imagine the scan of a crushed leaf. So, you have to make a png with an alpha channel, so that it was only bruising.

That is, we should at least replace the white on transparent, but it is better to leave the difference between smooth and crinkled leaf.

In the end it should be a png file, which I could overlay on top of other documents.

UPD: Thanks to sumnix
Original:
image

The result:
image

Example:
image
asked by | 15 views

7 Answers

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Sharpen to the dent became more black, and then add total transparency. Will not work?
answered by
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In photoshop you can select the color range (in the select menu), there choose the white color and play with sliders until desired result. Then what will be formed is removed.
answered by
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If you are going to apply again in photoshop, then just layer with crumpled paper set Blending: Multiply (for example).
answered by
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I used the English photoshop, so the translation into Russian may be not accurate
\r
1. Open the file
2. If it was a picture, first do Ctrl+A, Ctrl+X, Ctrl+V
3. Ctrl+A
4. In the dock layer management in layer 1 create a Clipping Mask (bottom button where the create a new layer, delete layer)
5. Open iPod control channels Window > Channels
6. It will be 4 layers + our mask
7. Choose the contrast layer, for example Red, the rest off
8. Make the layer, Ctrl+A, Ctrl+C
9. Include all layers that are active do our mask, Ctrl+V
10. Edit brightness, contrast, levels on the mask to achieve the most acceptable result.
answered by
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— Add an empty mask to your layer;
— do Apply Image... the mask — set is Merged, Green, Multiply, 100% ok;
— used curves/curves on the resulting mask by adjusting the transparency level of your job (the darker, the more transparent).
All you can von give for greater clarity.
answered by
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    \r
  1. Open a picture.
  2. \r
  3. Translate into Grayscale (Image > Mode > Grayscale) or the next step just copy any channel.
  4. \r
  5. Copy or cut out a picture of your crumpled paper.
  6. \r
  7. Make a new layer (Layer → New → Layer, Ctrl/Cmd+Shift+N).
  8. \r
  9. Complete new black color (Edit → Fill or Shift+F5).
  10. \r
  11. Make a Layer Mask (Layer → Layer Mask → Reveal/Hide all).
  12. \r
  13. Go to the Channels palette and select the alpha channel.
  14. \r
  15. Insert your image and invert it (Image > Adjustments > Invert, Ctrl/Cmd+I).
  16. \r
  17. Hide the layer with the picture, if he stayed.
  18. \r
answered by
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That's exactly why I use Gimp — it is done as a team "Color to alpha".
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