![]() ![]() I want to remove them using Gimp in command line but I cannot figure out what the command is. Cropping an image can be achieved with the aptly named -crop option which like the -resize option takes geometry to describe the desired output dimensions. I have a lot of images with white borders of different sizes. Here is the outcome image (convert-crop-img4. By using Gimps menu, you can automatically crop the image (removing white borders). That is, you can read a file containing a list of files echo 'eye.gif news.gif storm.gif' > filelist. $ convert -crop 50%x50%+$OFFSETX+$OFFSETY convert-crop-img1.jpg convert-crop-img4.jpg The special character at the start of a filename, means replace the filename, with contents of the given file. $ 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 It can be used to create, edit, compose, or convert bitmap images, and supports a wide range of file formats, including JPEG, PNG, GIF, TIFF, and PDF. If something goes wrong you have lost your originals, and are stuck. It manipulates your originals inline, and it overwrites the originals. 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 ImageMagick ® is a free, open-source software suite, used for editing and manipulating digital images. The example you link to uses this command: mogrify -resize 80x80 -background white -gravity center -extent 80x80 -format jpg -quality 75 -path thumbs. This tutorial is performed on Mac (OS X Yosemite) with Imagemagick version 6.9.2-7. You can resize all your JPEG images in a folder to a maximum dimension of 256x256 with this command: magick mogrify -resize 256x256. This outputs useful information about an image such as its file type, size and dimensions. But doing both in one conversion does not. ![]() We’ll be using the following image (convert-crop-img1.jpg width,height=480×320) for the purpose of this tutorial. When manipulating images via the command-line you will need a way of inpecting attributes of an image such as its dimensions. 1 To add further, with IrfanView doing a batch conversion, first doing Auto crop borders, and then doing a resize, gives me a result that I could work with. This can be useful in automation and also doing bulk operation on images. Imagemagick convert is pretty handy tool to manipulate images and can be used to crop an image. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |