Hello David and thank you for the quick reply! Now, using the word "Canvas" rather than "Drawable area" makes things a lot more sane immediately, and your explanation is accurate and acceptable.
Is there a way to toggle the visibility of the content of layers outside the canvas? If not, I'd be nice to have such a feature.. perhaps by seeing those parts as slightly greyed out like in most photo-editing applications when performing a crop on an image. What do you think? I might even considering taking that on as an implementation task.. would be fun to contribute to GIMP! / Janne On Thu, Apr 15, 2010 at 1:59 PM, David Gowers <00a...@gmail.com> wrote: > Hello Janne, > > On Thu, Apr 15, 2010 at 8:33 PM, Janne Kronback <faultygear...@gmail.com> > wrote: > > I used GIMP yesterday after a break of a few months and spend the first > hour > > being frustrated. > > Part of it was because I was using a Swedish version which I haven't > tried > > before, so all the names were strange at first... > > > > Anyhow, the manual (chapter 8) says nothing about the issue I had. > > I copied a part of the image as a new layer which I was to "tile" to get > a > > bigger surface. I naturally resized the layer x*y times to make room for > it > > (I know there are tools to do this, they did however not give me the > result > > I was after). > > In this situation, I usually adjust the canvas size and select the > option which adjusts all layer sizes accordingly. > > > I was then to copy that piece of texture again and paste it into the same > > layer and move it to the correct position repeatedly when the strange > thing > > happened.. > > The texture just disappeared into nothingness the moment it was slid out > of > > the border of the original texture! Even though the layer boundaries was > > resized, > > I could not use it. > > You could. It just looked like it was not being pasted. That's an > illusion created by the combination of your method and GIMP's > treatment of layer content outside canvas bounds. > > > > > The manual explicitly says: > > "Note: he amount of memory that a layer consumes is determined by its > > dimensions, not its contents. So, if you are working with large images or > > images that contain many layers, it might pay off to trim layers to the > > minimum possible size. " > > > > Why did I resize the layer, consume more memory but wasn't allowed to use > it > > until I, in another menu, chose "expand drawable area to the boundaries > of > > the layer" (in swedish). > > You will not be able to see anything outside of the bounds of the > *image*; I expect the menu item that you were looking at was the same > as the english item "Fit Canvas to Layers". > > The canvas is the boundary size of the image (and it is usually what > you will find you want to really adjust, rather than layer boundary > size) > > > This doesn't feel like it should be the default behaviour. Out of > curiosity, > > why would you want to expand a layer that you cannot draw on? > > I suspect you want to reword that question, as there is no such thing > as a layer which you actually cannot draw on (except by explicitly > indicating you want that, using the 'lock pixels' or 'lock alpha' > toggles). > It's perfectly possible to set things up so you are likely to THINK > you cannot draw on a layer as it's not visible; but such thoughts are > inaccurate, you can draw, paste, etc on it just the same as any other > layer; the layer just is not visible until you move your layer back > within canvas bounds > > Hope that helps, > > David >
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