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| Changing Shapes or Perspectives http://gimpchat.com/viewtopic.php?f=8&t=14472 |
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| Author: | atlanta43 [ Sat Aug 27, 2016 1:19 pm ] | ||
| Post subject: | Changing Shapes or Perspectives | ||
GIMP Version: 2.8.14 Operating System: Windows GIMP Experience: New User I want to stretch out rectangles and squares and get odd shapes like in the image below. It seems like the Perspective tool should do that but when I click Transform the rectangle returns to its original shape? I'm not sure what keywords to use to find guidance on this? Does anyone know how to change the shape?
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| Author: | dinasset [ Sat Aug 27, 2016 1:41 pm ] | ||
| Post subject: | Re: Changing Shapes or Perspectives | ||
using perspective tool initial, a Yellow square Attachment: Cattura1.PNG [ 4.35 KiB | Viewed 3542 times ] intermediate: using the Perspective tool (forward) move the corners as you like Attachment: Cattura2.PNG [ 80.35 KiB | Viewed 3542 times ] final, a Yellow distorted quadrangle Attachment: Cattura2.PNG [ 80.35 KiB | Viewed 3542 times ]
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| Author: | Odinbc [ Sat Aug 27, 2016 1:52 pm ] |
| Post subject: | Re: Changing Shapes or Perspectives |
Add Alpha Channel, increase the canvas size. |
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| Author: | atlanta43 [ Sat Aug 27, 2016 2:10 pm ] | ||
| Post subject: | Re: Changing Shapes or Perspectives | ||
I see how to use the Perspective tool to get an odd shape, but then it insists that we click on "Transform" (because Help/Reset/Cancel make no sense). As soon as I do that it reverts to a rectangle? How did you get your yellow shape to remain in that form?
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| Author: | dinasset [ Sat Aug 27, 2016 2:53 pm ] |
| Post subject: | Re: Changing Shapes or Perspectives |
I just clicked on transform. Your problem is likely that you start with a square WITHOUT space around it. |
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| Author: | dinasset [ Sat Aug 27, 2016 2:56 pm ] |
| Post subject: | Re: Changing Shapes or Perspectives |
my square is PART of the image (Odin said: increase the canvas size, same idea) |
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| Author: | atlanta43 [ Sat Aug 27, 2016 3:12 pm ] |
| Post subject: | Re: Changing Shapes or Perspectives |
dinasset: thank you so much! That is exactly the problem. I didn't understand why Odinbc was telling me to use the alpha channel but now it's clear. You are both great to be so helpful and I appreciate your time and willingness to share your knowledge. 
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| Author: | ofnuts [ Sun Aug 28, 2016 6:41 am ] |
| Post subject: | Re: Changing Shapes or Perspectives |
If you want to create shapes filled with some unifom color, you don't need the perspective tool, just use the freehand selector in polygon mode (i.e, click on the 4 corners). Attachment: Freehand.png [ 6.8 KiB | Viewed 3424 times ] |
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