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problems with layers

Aug 12, 2013, 00:03
Post: #1
problems with layers
Uph! I do not understand layers! It's kind of embarrassing, it's so basic for working with gimp! (I've looked for a simple straight-forward, step-by-step on you tube but haven't found anything.)

I start with a background. Then I bring up a new image which sometimes has a picture of my background on it - it isn't a pic of the chosen image. Hunh???
And - I don't know when to create a new layer.
For ex.: I have the background as layer base, then I create a new layer, then I bring up an image to paste in the layer & on the background i.e. I copy, then paste on the background, but nothing happens, and the layer I created is empty.
I'm all mixed up. What is the sequence for creating a new layer, then copying & pasting it to the background???
[undefined=undefined]Thanks[/undefined]
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Aug 12, 2013, 02:37
Post: #2
RE: problems with layers
Think of layers as sheets of glass you paint on and depending what order you stack them in you see only the paints that show through to the top.

Whenever you open a solid image or create a new one it will not have any invisible parts. You can tell this by the name of the layer in Bold.

In this example;
       
The Blue circle is painted on a transparent layer which allows us to see through to the white layer with a red square but not the black layer with the yellow blob.

       
When I move the bottom black layer up, add an alpha channel and delete the black, we can see all three layers but not the parts covered by the upper layer.

Do some tutorials and you will get the idea.

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Aug 13, 2013, 07:25
Post: #3
RE: problems with layers
(Aug 12, 2013 06:56)ofnuts Wrote:  
(Aug 12, 2013 00:03)pixelated Wrote:  Uph! I do not understand layers! It's kind of embarrassing, it's so basic for working with gimp! (I've looked for a simple straight-forward, step-by-step on you tube but haven't found anything.)

I start with a background. Then I bring up a new image which sometimes has a picture of my background on it - it isn't a pic of the chosen image. Hunh???
And - I don't know when to create a new layer.
For ex.: I have the background as layer base, then I create a new layer, then I bring up an image to paste in the layer & on the background i.e. I copy, then paste on the background, but nothing happens, and the layer I created is empty.
I'm all mixed up. What is the sequence for creating a new layer, then copying & pasting it to the background???
Thanks

You don't paste things on layers... Pasting creates a layer, either a "floating selection" (temporary layer) for a plain paste or directly a new layer (Edit/Paste as/New layer"). If nothing is pasted perhaps nothing was copied (or not copied in a format Gimp recognizes and can work with). When you have a "floating selection", you can either "Anchor" it (merge it to the active layer) or create a new layer from it (na duntil you have done either, the only layer you can play with is the floating selection).

Ah ha! I think I've got it. Thanks!
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Aug 13, 2013, 07:28
Post: #4
RE: problems with layers
(Aug 12, 2013 02:37)Wendy Black Wrote:  Think of layers as sheets of glass you paint on and depending what order you stack them in you see only the paints that show through to the top.

Whenever you open a solid image or create a new one it will not have any invisible parts. You can tell this by the name of the layer in Bold.

In this example;

The Blue circle is painted on a transparent layer which allows us to see through to the white layer with a red square but not the black layer with the yellow blob.


When I move the bottom black layer up, add an alpha channel and delete the black, we can see all three layers but not the parts covered by the upper layer.

Do some tutorials and you will get the idea.

I appreciate your help. Thanks, Wendy.
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