[Gimp-user] Reduce or crop an image by N pixels?
I've used edit mode of a program called Thumbsplus to take an image of 200H x 210W and reduce image by 10W starting from the left. Is there a similar feature in the crop tool of GIMP for quickly reducing a height or width without free selecting the whole image minus 10W? When I try the fixed I seem to have trouble getting my selection area lined up with the image right side. ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
Re: [Gimp-user] Reduce or crop an image by N pixels?
On Fri, 20 Nov 2009 10:03:37 -0500, vr wrote: I've used edit mode of a program called Thumbsplus to take an image of 200H x 210W and reduce image by 10W starting from the left. Is there a similar feature in the crop tool of GIMP for quickly reducing a height or width without free selecting the whole image minus 10W? When I try the fixed I seem to have trouble getting my selection area lined up with the image right side. Oops, after poking around a bit more I realize now that the actual crop tool's selector is more friendly than the selection tool selector for what I'm trying to do. I guess the real question I'm asking is how do you get the selection tool to operate like the crop tools selector? Meaning, not go outside the perimeter of the layer you want to select within? ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
Re: [Gimp-user] Reduce or crop an image by N pixels?
Quoting vr gimp-u...@iotk.net: Oops, after poking around a bit more I realize now that the actual crop tool's selector is more friendly than the selection tool selector for what I'm trying to do. I guess the real question I'm asking is how do you get the selection tool to operate like the crop tools selector? Meaning, not go outside the perimeter of the layer you want to select within? I don't believe that is currently possible. If your layer is completely opaque, you could perform a Layer-Transparency-Intersect with selection after having making your selection (this will trim the selection to lie within the layer's borders). The following script may prove a slightly better solution, as it will also work with non-opaque layers. The command appears as Within Layer under the Select Menu. (Note: if there is no selection when the script is run, the entire layer will be selected.) http://www.flashingtwelve.brickfilms.com/GIMP/Scripts/sg-select-within-layer.scm ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
[Gimp-user] Brush edit problem
I want to create a straight line that's two pixels wide. There's a brush that's 1px, and another that's 3px, so I created a new brush, made it a square one and selected a radius of 1.0px. If I do this, the brush appears to be 3px in width. So I tried various values. 0.7px radius still gives me a brush that is 3px wide. However, 0.6px radius gives me one that is 1px wide. I don't seem to be able to find any setting that makes it 2px wide, and neither can I understand the relationship between radius and the actual size of the brush. The same thing happens with higher values - anything from 0.7 up to 1.6 gives me a brush that's 3px wide, then at 1.7 it jumps to 5 pixels. Is it impossible to have a brush that is an even number of pixels wide, and if so, why? -- Chris (via www.gimpusers.com) ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
[Gimp-user] Brush edit problem
I want to create a straight line that's two pixels wide. There's a brush that's 1px, and another that's 3px, so I created a new brush, made it a square one and selected a radius of 1.0px. If I do this, the brush appears to be 3px in width. So I tried various values. 0.7px radius still gives me a brush that is 3px wide. However, 0.6px radius gives me one that is 1px wide. I don't seem to be able to find any setting that makes it 2px wide, and neither can I understand the relationship between radius and the actual size of the brush. The same thing happens with higher values - anything from 0.7 up to 1.6 gives me a brush that's 3px wide, then at 1.7 it jumps to 5 pixels. Is it impossible to have a brush that is an even number of pixels wide, and if so, why? Better use a path and use the stroke path option in the paths dialog! You can enter a specific value there, and you can use different line types too (from solid to dashed and/or dotted). pretty cool... Hope that helps ;) -- Bernhard S. (via www.gimpusers.com) ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
Re: [Gimp-user] Brush edit problem
On Sat, Nov 21, 2009 at 4:00 AM, Chris for...@gimpusers.com wrote: I want to create a straight line that's two pixels wide. There's a brush that's 1px, and another that's 3px, so I created a new brush, made it a square one and selected a radius of 1.0px. If I do this, the brush appears to be 3px in width. So I tried various values. 0.7px radius still gives me a brush that is 3px wide. However, 0.6px radius gives me one that is 1px wide. I don't seem to be able to find any setting that makes it 2px wide, and neither can I understand the relationship between radius and the actual size of the brush. The same thing happens with higher values - anything from 0.7 up to 1.6 gives me a brush that's 3px wide, then at 1.7 it jumps to 5 pixels. Is it impossible to have a brush that is an even number of pixels wide, and if so, why? No, but it may be impossible to have an even sized 'virtual' brush, which is the type you're editing. You may need to create a 2x2 grayscale image filled with black* and save it with a 'gbr' extension to your brushes directory.(then refresh the brushes dialog) * or is it white? one of those two. ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
[Gimp-user] Brush edit problem
No, but it may be impossible to have an even sized 'virtual' brush, which is the type you're editing. Ah OK - many thanks for both your suggestions :) -- Chris (via www.gimpusers.com) ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
Re: [Gimp-user] Reduce or crop an image by N pixels?
vr writes: Oops, after poking around a bit more I realize now that the actual crop tool's selector is more friendly than the selection tool selector for what I'm trying to do. I guess the real question I'm asking is how do you get the selection tool to operate like the crop tools selector? Meaning, not go outside the perimeter of the layer you want to select within? The closest I've found is View-Snap to Canvas Edges. It's not perfect -- you still have to be fairly careful and occasionally it doesn't snap at all -- but it will certainly help you avoid going over the edges. In 2.6, you have to set it on each image separately. In 2.8 it will be possible to make that the default. Though you may not want that; I find I always want it for Rect Select, but it gets in the way for the Move tool, so I have to keep toggling the option. ...Akkana ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
Re: [Gimp-user] Brush edit problem
Chris wrote: No, but it may be impossible to have an even sized 'virtual' brush, which is the type you're editing. Ah OK - many thanks for both your suggestions :) Why not use the 1x1 with scaling set to 2? Patrick ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
