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Wednesday, March 3, 2010

Image Cropping Tool for Linux

Image Cropping Tool for Linux

Gimp basically is the prior choice for all Linux users for cropping and playing with images, though If you are looking for a simple image cropping tool for Linux, check out ImgMod3.ImgMod3 is a nifty image cropping, scaling and modifying tool for linux which is written in Python that does the job fine. It can handle large number of files fast and easily. The interface is simple, consists of side by side boxes displaying the source image and the processed image preview. You can access the controls with keyboard shortcuts to increase your work time and the images can automatically be scaled to a target size (called “frame”) when saving or previewing.
It comes with basic manual controls, easy to crop, a channel mixer for fixing color cast and is a full graphics application. ImgMod3 crams it’s basic feature set in a single window, automating repetitive actions such as loading the next image.
It features:
  • Scaling filter – used when saving the image to disk. The PIL antialias filter is of excellent quality and is enabled by default.
  • Target frame size – this will be used to automatically rescale the images. For example, 800×600 could be suitable for web use. The target frame is also displayed in image boxes, providing a visual aid for estimating the actual image dimensions.
  • Output format – use PNG for lossless compression (allows saving intermediate results without image degradation), JPEG for interoperability with older software and smaller output files.
  • JPEG quality – standard quality setting of libjpeg. 90 provides good quality, 70 will help to reduce the file size with modest tradeoff.
  • Calculate size on preview – calculate estimated file size for the processed image when previewing.
  • Skip unloadable files – fast forward to the next recognizable image file, if loading fails.
  • Non-linear controls – controls for PIL operations have non-linear scale, extending their range to max/min values allowed by the library. This option does not affect normalize clip amount, contrast mask and ratio controls.
  • Load next file defaults – If “Reset controls” is checked, all processing parameters will be reset when loading the next file. The default for “auto ratio” and “normalize” controls can be changed here, for the rest of the controls the default setting is “neutral”.

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