![]() ![]() ![]() Keep your eyes open for more Gimp tips coming soon. By default the size of the canvas coincides with the size of the layers. If you don’t want the aspect ratio to be maintained, simply click on the “chain” iconĪnd that will break the link between the width and the height of your image, letting you choose them independently of each other.Īnyway… After you’ve chosen the width and height of your image, press OK and you’ll see your image magically be resized!Īfter you’ve resized it, you can save it or continue your manipulation any way you see fit! The canvas is the visible area of the image. This is done to make sure your image doesn’t distort upon resizing. Upon pressing TAB, you’ll notice the height is automatically adjusted to maintain the aspect ratio of the original image. From here you can change the width and height of your image and the resolution. Go ahead and type in your width dimension and press TAB. This will bring up a dialogue box where you can enter the new width and height for your image. The first is to use the Scale Image tool, which can be found under the Image menu. Unless you’re doing print work, the only things you’ll have to worry about here are the things in the Pixel Dimensions box. There is no one-click solution for resizing an image in GIMP, but there are a few ways to do it. When you click on that item, the following window will appear. To resize this image down to something that’s usable, say, on a website, simply right-click anywhere on the image, and you’ll see a menu pop up. ![]() (pressing ctrl-alt-I will open an information window telling you the different specs of your image, as is seen below) With The Gimp open, select the image you wish to resize When my image is open, my screen looks like this:Įven though it’s a bit hard to tell in this article, the image on my screen is really quite large.Resizing images with The Gimp is done with a few simple steps. And make sure the chain icon between 'Width' and 'Height' is connected. With the explanation out of the way, let’s start clickin’ and actually do a little /coolsolutions/img/11503-resizing. To open the 'Scale Image' dialog box, open an image in GIMP, click on the 'Image' menu dropdown, then click on 'Scale Image': In the 'Scale Image' dialog box, select a unit of measurement from the dropdown box. You’ll notice that in the example below, the lower image is just a cut of the upper image. Step 4: Resize the canvas to fit the image. Step 3: Resize your image by clicking and dragging the scaling handles. The actual image size doesn’t change at all, unless you make the canvas too small it then chops off part of the painting. Step 2: Click on the image to activate the scaling handles. Resizing the canvas is equivalent to chopping off or adding on to the canvas of a painting.It’s like making a 4 X 6 print out of a 8 X 10 print, or vice-versa. Resizing an image is equivalent to blowing an image up, or sizing it down.scaling an image) and resizing the canvas of the image. One of the concepts I wish someone had told me about was the difference between resizing an image (i.e. When I began my journey down the road of digital image manipulation, I didn’t understand too much about photography so I had to learn a lot of basic concepts on my own. Differences between resizing your image and resizing your canvas The script is just an example, and isn't set up to handle file names with spaces, but it shows you how easy it can be to batch things with ImageMagick.*note* For those of you who are Photoshop gurus, the beginning of this article will cover the basic concepts behind resizing an image, so you might want to skip down to the “let’s resize” portion. To use it, open Terminal and cd into the folder where the images are that you want to scale, and run: scaleimages.sh If you use the Scale tool () this is the opposite, by default the aspect ratio is not. Height/width can be made independent by opening the chain link to the right of the two fields. Save the file as something like, "scaleimages.sh" in your home directory's ~/bin folder-you may have to create the folder-so it will be in your PATH, and make it executable: chmod 700 ~/bin/scaleimages.sh If you use Image > Scale image it will by default keep the 'aspect ratio' (if you set a value for width, Gimp will computer the corresponding height and vice-versa). Mogrify -resize "$>" -strip -interlace Plane -sampling-factor 4:2:0 -quality 85% $fname Here's a simple Bash script using Imagemagick's mogrify command that will prompt you for the width and height of JPG images you want to scale in the current directory, strip the EXIF data, set the interlacing, sampling factor, and quality to prepare the images for the web: #!/bin/bash It's very powerful, which may be why it appears confusing at first. I've been using Imagemagick for batch processing images in Ubuntu for years, and I don't have a single complaint.
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