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What is Lock brush to view useful?

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What is Lock brush to view useful? Julien Hardelin 22 Sep 14:06
  What is Lock brush to view useful? Alexandre Prokoudine via gimp-docs-list 22 Sep 21:37
  What is Lock brush to view useful? Liam R E Quin 22 Sep 22:19
   What is Lock brush to view useful? Julien Hardelin 23 Sep 05:45
Julien Hardelin
2018-09-22 14:06:55 UTC (3 months ago)

What is Lock brush to view useful?

Hi,

I understand what the "Lock brush to view" option does with brush size and canvas rotation but I can't see what it can be used for in image editing.

In this reference https://github.com/mypaint/mypaint/issues/289 , the explanation

/"it is of extreme // //utility when painting. It allows a very natural 'iterative refinement' process //
//with no need to repeatedly ask the application to change brush size as you go //
//between the broad strokes and the detailing."/

is not clear for me.

Could you enlighten me?

Julien

Alexandre Prokoudine via gimp-docs-list
2018-09-22 21:37:24 UTC (3 months ago)

What is Lock brush to view useful?

On Sat, Sep 22, 2018 at 5:06 PM, Julien Hardelin wrote:

Hi,

I understand what the "Lock brush to view" option does with brush size and canvas rotation but I can't see what it can be used for in image editing.

It's mostly used for painting, as far as I can tell. So maybe there isn't much to say on top of what you can already tell people about it?

Alex

Liam R E Quin
2018-09-22 22:19:51 UTC (3 months ago)

What is Lock brush to view useful?

On Sat, 2018-09-22 at 16:06 +0200, Julien Hardelin wrote:

/"it is of extreme //
//utility when painting. It allows a very natural 'iterative refinement'
process //
//with no need to repeatedly ask the application to change brush size as
you go //
//between the broad strokes and the detailing."/

is not clear for me.

The idea is that you're working on an image that's bigger (in pixels) than your screen, so you have to zoom in and out a lot. When the brish size is relative to the canvas, zooming in makes the brush appear larger (atakes up more pixels on the screen). If you're working with a 300pixel radius brush and you zoom in from 12% to 100%, the brush is now half the size of your screen! So you have to shrink the brush back down.

If the brush size is relative to the screen, then when you zoom in, the size of the brush on the screen doesn't change, so when you zoom in to 100% you can work on tiny details: a brush that's covering 300 pixels when you're zoomed out to see the full image might be only 30 pixels wide when you're zoomed in more closely.

Slave Liam (ankh)

Julien Hardelin
2018-09-23 05:45:03 UTC (3 months ago)

What is Lock brush to view useful?

Thank you Liam. That's clear now.

Julien