Imagine that you are making a collage out of several photos and would like to lilt them a little bit :)
2012/2/5 Erik P. Olsen <epod...@gmail.com> > On 05/02/12 13:37, Noel Stoutenburg wrote: > >> Erik P. Olsen wrote: >> >> >>> Why can't I rotate images similarly with Gimp? >>> >>> >> and I concur with the answer that BK gave, as far as it went. But to >> expand a >> bit, there are several ways to rotate an image. For the purpose Erik >> mentioned, >> I'd use the method BK mentioned: >> >> Image > Transform > Rotate... >> >> This is the equivalent of rotating the substrate upon which the image >> lies. >> >> There is a second way, useful when one wants to modify some part (or all) >> of the >> image with respect to the substrate. >> >> Layer > Transform > Rotate... >> >> acts similarly to the method BK described, except that it rotates the >> layer >> containing the image, or some part of it, with respect to the rest. If >> one has >> an image that has unequal dimensions, like a rectangle or oval, and >> rotates the >> layer relative to the substrate (canvas is the term GIMP uses), then part >> of the >> layer is no longer over the substrate. This gives a result similar to >> what the >> OP describes: part of the image is no longer over substrate, and gets >> lost. >> >> A third method works similarly to the method of the layer transform: the >> Rotate >> tool in the toolbox. The rotate tool will rotate a selection of the image >> (which >> may, but need not necessarily coincide with an image) and rotate that >> selection >> relative to the remainder of the image. And just like the layer transform >> I >> describe above, there is a risk that a selection with unequal dimensions >> will >> lose part of the information. >> >> It turns out, though, that even if one seems to have lost the information >> by >> choosing layer or selection rotation instead of image rotation, that >> besides >> undo, there is a convenient way to recover the information no longer over >> substrate. One can resize the canvas. Once the canvas is resized with the >> dimensions of the image again matching the dimensions of the rotated >> part, the >> full image again becomes visible. >> > > Thanks for this detailed description. Yes, I've rotated the layer only, so > now at least I know how to rotate correctly. But please enlighten me why > would you want to rotate a layer and not the entire image? > > -- > Erik > > ______________________________**_________________ > gimp-user-list mailing list > gimp-user-list@gnome.org > http://mail.gnome.org/mailman/**listinfo/gimp-user-list<http://mail.gnome.org/mailman/listinfo/gimp-user-list> >
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