GIMP :: How To Improve Border Of Small Image After Rotation
Jul 13, 2012
I would like to know which tools to improve the border of a small image after rotation. Something like sharpening.
The picture is around 25px wide. When magnified, it shows like this :
The original image pure red and pure white.
The white line, that is a ~1 px from the border is at some points too much polluted by the red color. And the red color is locally too much polluted by the white color.
There is also some aliasing that I want to remove.
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Jan 18, 2014
I would like to repeat the following procedure on a large number of images but I am unable to find a way of batch processing to do this for me. The idea is to end up with a small plain boarder around the original image. This is to prevent any image being lost when I order prints due to cropping.
1) open image
2) copy the image
3) create a new image 0.5" larger than the original
4) paste the copied image into the larger new image
5) resize the new image to a given size for example 10x8 for printing
6) Save the image under new name or in a different folder to the original.
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Sep 26, 2012
I would like to sharpen & brighten a number of different b & w images - mostly etchings & prints - but it seems like gimp is exclusively color oriented.
Attached is a sample of the type of image I want to work on.
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Oct 17, 2012
This is a small area from a grotty scanned copy of a newspaper cutting I am trying to 'improve'. I do not have the original paper copy. Best approach to remove the imperfections? I have a few like this to address
Attached Thumbnails
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Jul 13, 2012
We would like to use Gimp for a small set of image conversion experiments. Unfortunately, the system where we want to install and run Gimp belongs to a US Govt agency, the environment is secure and their data is extremely sensitive. So we need to get their approval before we can install Gimp. To get it, we need to provide information on whether Gimp is "US-based" or "foreign-origin". We don't have a strict definition of what either of these terms means, but I am wondering if you have encountered these questions before. Can you tell me what the geographic origin of the tool is? Do you know of any specific instances of your tool being installed at any US Govt locations with sensitive environments?
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Apr 6, 2011
I need to do a small bit of horizon straightening on an image which I have.
Using the rotation tool is fair enough.
Under clipping I select crop to result.
In the rotation dialog i enter the angle ( -.7 )
When I click rotate, it goes through the motions of a status bar advancing (green bar), but when it is finished doing its thing the image vanishes entirely, and i'm left with what looks like a transparent background.
If in clipping, I select 'Adjust', it rotates fine but I have to crop the result manually to have the image 'square' with no transparent angled edges.
How the rotation tool works? I'm using Gimp 2.6.4 on Windows Vista.
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Jan 4, 2014
I need to add a border to an irregular object. I want to add a simple line around an object, with about 5 pixel space between the line and the object. How would I do this? Basically, I want to achieve an effect like the image below with the lines around the border of the land at the sea.
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Mar 7, 2013
I'm using 2.8.4 on a MacBook Pro. When I create a text image with a transparent background and export as any file format, there's a white border around the ENTIRE image. A white box around the whole image. The background should be completely transparent. No border at all. Just words on a completely transparent background.
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Jul 8, 2013
I came across a problem. I have a logo that had a white background and I did a Alpha to transparent on it to remove the white. Now I get this purple/white line around the image.
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Dec 28, 2011
Here's a link to the image in question; [URL .... I was just wondering how I could both round the corners and put a border.
For example: [URL] .... (I do not claim any part of the image in any way.)
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Jun 17, 2012
I have spent hours trying to do this simple task in Gimp without luck. What I'm looking for is the border effect (without outer shadow) seen in the three embedded screenshots in this image: [URL]
In inkscape it's a matter of adding a square on top of the image with identical dimensions and making the stroke colour semitransparent and the fill colour completely transparent, but image quality suffers badly when exporting from svg to png or jpg again, and I'd prefer doing it in Gimp.
So, take image, say 100 by 100, add 1 pixel inner transparent border - how? I have seen this effect enough to suspect it's a filter option but haven't found anything in my filters.
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May 5, 2011
I'm trying to use the crop tool to cut out the rectangular image, but I can't seem to get rid of the white border. I scanned in the image so its still showing the white paper around it, how do I get rid of this and just save the image portion?
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Nov 11, 2012
I have a drawing that has a white background.
I would like to add more to the white background to make it bigger without having to stretch it and distort the image.
I want to place a circle shaped outline border around the original image with a set border thickness and color and be able to crop/remove the portion of the image beyond the outline, changing it from a square/rectangle image to a circular image.
If I am not able to change the drawing to have a round outer border from square, how can I make the outer parts past the newly created circular outline transparent?
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Jan 30, 2014
Are any efforts being made to improve the dithering of animated GIFs in GIMP? The dithering seems subpar compared to a program like Jasc Animation Shop. Why is that?
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Dec 15, 2012
When trying for borderless A4 prints there is always a small border on the top and right hand edge of the resulting print.
This only happens when using LR.I am printing to a Kodak c310 printer.
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Jul 14, 2013
Is there a blending technique I can employ to smooth the transisitions between the bands in this image?
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Nov 13, 2006
I've got this image that i've taken with my cell phone.
I know it's difficult to improve, however i've noticed that there is a patten to the noise.
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Apr 8, 2012
I have a few images that are essentially line drawings (B&W) that I want to make larger for presentation (i.e., click for larger size) on our new Website. The current size is not large enough.
If I increase pixel sizes, the quality is terrible. For example, see:
[URL]....on our 'test Website'. [Please note Website is work-in-progress.]
Settings *jpg: Width - 270; Height - 138; Scale styles - Y; Constrain proportions - Y; Resample image - Bicubic
If I increase *jpg to Width - 450; Height - 230, I get UGLY.
When I Save for Web as *gif, I change Width - 450; Height - 230, it still appears fuzzy, although not as much.
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Jun 25, 2011
When I open a rectangular photographic image (JPG) and rotate it 90 degrees, the canvas remains the same and the ends of the photo are cropped. I there a way to rotate the whole shebang so this cropping doesn't happen?
Telling the canvas to resize to the picture doesn't seem to work for me.
Gimp 2.6.11 on Linux
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Nov 16, 2012
I have drawn a 9" circle on a 11" x 11" canvas. I would like to create 45 "tic marks" around the circle at 8 degree intervals. How to use rotation to accomplish this goal?
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Nov 3, 2011
I rotated some pixels, but afterwards when I do something else, the pixels become unrotated. I tried saving the image, but that reverts the rotation, too. Why won't the pixels stay put?
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Oct 23, 2012
I have many scanned images of my collection and need to automate the process of rotating the image so that it is "square" and then cropping to remove unwanted background.
I have learned GIMP enough to do this manually with the rotate and crop tools but I have 1000s of images so how to automate this process.
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Jun 30, 2012
I normally edit with the grid turned on. The rotation guides that show up while using the arbitrary rotation tool clash pretty badly with the grid and disrupt my workflow. Is there a way to turn them off?
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Jun 30, 2013
Is there a way to find out the position of a layer after you move it from the starting point of 0,0 and 0 rotation?
I'm trying to line-up two images and the bottom layer is the reference image so I move the top layer in the x,y direction and rotate the layer until it looks good. But instead of saving I want the new x,y location along with the rotation number to enter into an Imagemagik bash script.
I'm using GIMP 2.6.11, but will update to 2.8 if necessary.
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Jun 30, 2013
Is there a way to find out the position of a layer after you move it from the starting point of 0,0 and 0 rotation?
I'm trying to line-up two images and the bottom layer is the reference image so I move the top layer in the x,y direction and rotate the layer until it looks good. But instead of saving I want the new x,y location along with the rotation number to enter into an Imagemagik bash script.
I'm using GIMP 2.6.11, but will update to 2.8 if necessary.
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Apr 14, 2012
i'm trying to make an object have a rotation animation.. i did this by making duplicates and rotating them different angles. When i save it and play the gif, it shows each frame show up and overlay one after the other. I want to only show one frame at a time. How do i do this? Here:
[URL]
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Aug 27, 2012
I would like to know if it is possible to do this in gimp:
[URL]
or this:
clone and rotate the cloned source:
[URL]
if its possible, how do I do it?
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Jul 26, 2012
I am trying to export very small (490 x 121) 1-bit graphics out of GIMP as .pcx files. With my working .xcf pulled up, I go to Mode> Indexed and select "Use black and white (1-bit) palette" from the Indexed Color Conversion box. Then I export my graphic as a .pcx, but the graphic is not 1-bit, it is 8-bit, the file size is around 10k, instead of being around 3-4k like it should be.
I am using GIMP 2.8.0 on a Windows XP box. I've attached my .xcf for reference.
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Aug 1, 2004
Everytime I I try to totate the canvas arbitrarily the qualtiy goes way down, but if I rotate it 90 or 180 degrees it doesn't change. Most of my images need to be rotated 45 degrees. Is there any way to keep the image quality from going down or a way to fix it?
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Jul 10, 2009
I have a photo which I needed to rotote counterclockwise 2 degrees. The problem is that the canvas did not rotate with the photo making it difficult to crop the photo because some canvas remains.
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Jul 15, 2011
When setting up a simple FK control curve on say the wrist for example, many times the control curve isn't exactly perpendicular to the local rotation axis of the joint movement, so when we position the control curve to be perpendicular to the joint - it has a rotational value added, but the rotational handles are lines up with the rotational handles of the joint that we want to move.
Freeze Transformations: then the control curves rotational handle go back to being skewed (out of alignment with the joints)
We want to Freeze transformations before constraining the curve, but we'd really to keep those rotations control handles to remain aligned with the joints rotational handles. This will make it an exact control when animating - grab the rotational handle of the curve, rotate it, and the joint will move exactly in the proper direction.
how to get the rotational handle of any control curve to run perpendicular to the shape after freezing transformations?
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