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Creat a shape and cut that shape somewhere else

May 26, 2011, 12:33
Post: #1
Creat a shape and cut that shape somewhere else
Hello everyone,

Is it possible to creat a selection with scissors for example and then drag that shape somewhere else to cut it there.

I need to cut a piece of wall in a difficult shape inbetween things. so thats why i want top creat that difficult shape and then cut it from the wall.

Or am I getting it totally wrong and should i try another method?


Cheers,

Merijn
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May 26, 2011, 17:43
Post: #2
RE: Creat a shape and cut that shape somewhere else
If what you want is create a selection somewhere and then transfer it elsewhere to use it for a cut/copy (or whatever), yes it it possible. In the same image, simply use the Move tool after selecting the "move selection" mode.

To transfer the selection between two images is a bit more complicated but doable:

In the source image:
- Select/Save to channel(*)
- Open the channels dialog
- Select the channel with the selection
- In the image window, to Edit/Copy

In the target window;
- if you do a plain paste, you should see your selection, white in the selection, black elsewhere, this isn't what we want, but it's and easy way to check that the selection is in the
clipboard. Ctrl-Z to remove, of course
- Got to the channel dialogs
- Right click/New channel (you image wll turn black becuase you are really editing the channel contents at that point)
- Edit/paste: you get the selection image as above
- Go to the Layers dialog, right click on the Floating selection at the top, and anchor it... your new channel now has the selection content
- Right click on it, and "Channel to selection"
- Make sure the channel is isn't visible and you get you target image with a transferred selection.
- If needed, move the selection as above.

Another way is to use the selection to create a black on transparent layer (bucket-fill selection) in the source image, make it the only visible, save as PNG, and in the target image, open it as a layer and issue "alpha to selection" on it.

(*) note that of you are working on a complicated selection, it's a good idea to save it that way from time to time, you can also create save it piece by piece and then make a global selection later from the pieces)

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May 26, 2011, 18:47
Post: #3
RE: Creat a shape and cut that shape somewhere else
i might not be understanding your question, but if i do...you could cut your shape on a blank layer, fill it with a color, alpha to selection, switch to the layer you want cut and hit delete...and if it deletes the outter instead hit ctrl+z and then ctrl +i and then delete again.

[Image: MMSSig-2.png]
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May 27, 2011, 06:45
Post: #4
RE: Creat a shape and cut that shape somewhere else
Hey,

Thnx for replying so soon.

@ Ofnuts
I'm not that formiliar with channals, in fact I never workt with channels so I think I will try it in a later stadium when I have som experience with them.

I found that on my system you can simply drag a selection in de smae image by hitting alt en then move the selection by pixel. Hit Alt + ctrl for moving the selection by 25 pixels.
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May 27, 2011, 07:20 (This post was last modified: May 27, 2011 07:21 by ofnuts.)
Post: #5
RE: Creat a shape and cut that shape somewhere else
(May 27, 2011 06:45)Merijn Wrote:  Hey,

Thnx for replying so soon.

@ Ofnuts
I'm not that formiliar with channals, in fact I never workt with channels so I think I will try it in a later stadium when I have som experience with them.
Save selection to channel is a life-saver, so I strongly suggest you get familiar at least with that... But you can't do any serious selection/transparency work without getting familair with channels.


(May 27, 2011 06:45)Merijn Wrote:  I found that on my system you can simply drag a selection in de smae image by hitting alt en then move the selection by pixel. Hit Alt + ctrl for moving the selection by 25 pixels.
Yes, this is exactly the same as using the Move tool in "Move selection" mode Smile But if you click on the red square in the Tools option dialog, you can also use the mouse to drag your selection around.
[attachment=419]

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