erasing leads to quality loss overall

[The Grey Earl]

Hi there,

 I have noticed the problem occur over my time using affinity photo, where the image loses quality the more I work on it. From what I can gather, the work is doing lots of erasing. The remaining parts f the image are noticeable more blurry and less crisp than the scanned original artwork that I set out with. I shall try and pull some images together to show what I mean, but if you have. any thoughts in the meantime, be great to hearr them. Affinity is a life saver for me, but this little niggle is getting in the way of it being my one and only choice of software moving forwards.... Boo to adobe!

With thanks

[Gabe]

Hi @The Grey Earl,

We would need an afphoto file saved with history so we can see what's going on  

[The Grey Earl]

Hi Gabe,

Thanks for getting back to me, I've just started a quick edit on a watercolour/pencil crayon drawing. I did a simple copy and past of one of Apollo Creeds eyes as the other wasn't looking right. I flipped it horizontally, so it is now on the right side of his face. If you zoom in, you can see straight away that there is a loss of quality in the layer against the other eye on the left. I then went on to do some minor erasing/clone tool which I think may have added to the blurring. Not entirely sure about that part, but I just thought I'd share the first sign of blurring, your thoughts welcome! It feels like I have this problem whenever I do any edits, I can't work out if its copy/pasting layers that is doing it, or erasing, cloning....or all the above

Cheers

rocky.afphoto

[Gabe]

It looks like you've rotated the layer. When you do this. It will get blurry, because the original pixes will fall in between other pixels. If you don't rotate the pixel layer, and keep its size and position on integer pixel values, it will look the same

[The Grey Earl]

Is rotating layers not a common occurrence for most visual editors? That seems like a pretty integral feature that needs addressing? I understand the resizing of layers leading to loss of quality but if loss happens for rotation and movement of a layer, surely that is going effect all users working with the programme? Can you advise anyway to keep picture/pixel quality, whilst still being able to move and rotate?

[Gabe]

There is nothing that needs addressing. This is standard behaviour.
Pixels are square and when you rotate your image on canvas, they still have to be displayed as square on screen. It's the same effect you see when you rotate a straight light.