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Rotate/zoom problem


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Rotate/zoom problem

I’m using version 3.5.10 and don’t realistically expect any updates to this version, however I thought I’d mention this as it may be relevant for version 4.

The screenshot shows the problem. Rotate/zoom (layer) doesn’t appear to rotate around the middle correctly.

This example was using a canvas size of 600 pixels square but this also happens if it is 599 square. (I do get confused as to whether the canvas starts at pixel[0,0] or pixel[1,1], so thought I’d try both).

Presumably a canvas 600 by 600 pixels is actually goes from pixel [0,0] to pixel[599,599], meaning the centre should be after pixel ‘299’ and before ‘300’. I wonder if it is actually rotating after pixel’300’ (the 301st pixel). Or am I on completely the wrong track ?– counting was never my strong point!

Additionally, the x & y position boxes are based on a ratio. If they were in exact pixels I could correct as I go but it’s difficult to estimate the number required to move the layer by 1 pixel. I have to use ‘move selected’ and the arrow keys afterwards.

No criticism meant – it is still a very useful and capable tool.

rotatezoomprob.png

 

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Rotate/Zoom isn't really meant for precise 2D rotation and zooming, it's mostly designed for the 3D tilting ("roll"). You can just use the Move Selected Pixels tool for that (precise 2D manipulation).

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That's fair enough Rick,

I'll use a right click/drag with a shift for rotation. Can the arrow keys be used for precise rotation? (on rotate selected). edit - yes it does.

Just realised my own 'compo tool' has the same problem :lol:

Many thanks

 

Red ochre Plugin pack.............. Diabolical Drawings ................Real Paintings

 

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