![]() ![]() Here is the outcome image (convert-crop-img4. $ convert -crop 50%x50%+$OFFSETX+$OFFSETY convert-crop-img1.jpg convert-crop-img4.jpg $ OFFSETY=$(identify -format '%' convert-crop-img1.jpg) $ OFFSETX=$(identify -format '%' convert-crop-img1.jpg) Here is the outcome image (convert-crop-img3.jpg):Ĭrop image using both target width,height and offset in percentageĬrop the image to target size 50%x50% with crop starting point at x=25%,y=25% $ convert -crop 50%x50%+100+50 convert-crop-img1.jpg convert-crop-img3.jpg Here is the outcome image (convert-crop-img2.jpg):Ĭrop image using target width,height in percentageĬrop the image to target size 50%x50% with crop starting point at x=100,y=50 $ convert -crop 240x160+100+50 convert-crop-img1.jpg convert-crop-img2.jpg convert input.jpg -resize 100x100 \ -gravity Center \ -extent 100x100 \ output. ![]() For cropping the center, -extent with -gravity Center will work. Crop image using target width,height and offset in pixelĬrop the image to target size 240×160 with crop starting point at x=100,y=50 2 Answers Sorted by: 72 You would use the area-fill ( ) geometry modifier on the -resize operation to unify the down-scale. This tutorial is performed on Mac (OS X Yosemite) with Imagemagick version 6.9.2-7. Crop geometry 'center-north' Questions and postings pertaining to the usage of ImageMagick regardless of the interface. The original command with the new options is: convert puma1.png -gravity center -background white -compress jpeg -resize 1755x2475 -extent 1755x2475 -units PixelsPerInch -density 150x150 puma1.pdf It seems the option -page A3 kills the output. ![]() This command would read your input image and set an output viewport of 295x195. We’ll be using the following image (convert-crop-img1.jpg width,height=480×320) for the purpose of this tutorial. The '-distort SRT' operator in ImageMagick can scale an image, resize the canvas, and move a point from one set of coordinates to another all in one move. This can be useful in automation and also doing bulk operation on images. Is there a way to crop an image centered horizontally, but not centered vertically For example, here is how I would want an image cropped: However, using the command mogrify -crop 250x250 -gravity North cat. Other Viewport Examples Also see Methods of Rotating Images below for other examples of using a viewport to control what part of the distorted space is visible in the results. Also see Forum Discussion Crop to Aspect Ratio. Imagemagick convert is pretty handy tool to manipulate images and can be used to crop an image. This technique can be expanded so you center crop an image to fit a given aspect ratio. ![]()
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