Organising Your Images

Jim has three tools to help you get the best out of your images.

• Slice Extractor. Allows you to select particular slices from a multi-slice image to produce a new multi-slice image.
• Image Concatenator. Pastes several multi-slice images end-to-end to create a new multi-slice image with all the slices from all the images.
• Image Interleaver. Interleaves the slices from several multi-slice images.

  The Slice Extractor Tool

  Selecting Slice extractor from the Organise menu: of the main display frame brings up the Slice Extractor Tool:

  

  The Slice Extractor Tool takes a single input image, extracts some of its slice, and creates a new image. The new image will be of the same type as the input image, but with fewer slices. The new image can either be saved to disk, or loaded into Jim depending on your selection:

  

  There are several options for your choice of slices to extract:
  • Regular steps. Step through the image with the specified step size.

    

    In the example above, every third slice is extracted. The start and end slices are specified in the Slice Range fields.

    

    By default, the first slice is 1, and the last slice if the number of slices in the input image. In the example above, slice extraction would start at slice 5, and continue to the end of the image in steps of 3.

    Note: if you want to reverse the order of the slices, specify a step of -1, with the first slice equal to the number of slices in the image, and the last slice as 1.

  • Odd- or Even-numbered slices. Extract odd-numbered or even-numbered slices between the ranges specified in the Slice Range.

    

  • Numbered slices. A list of slices and slice ranges is specified as a comma (,) separated list:

    

    In the example above, slices 5, 7, 13, 20, 21, 22, 23, 24, 25 and 3 will be extracted from the input image. Note that a range of slices is specified using a hyphen as in the example above. Note also that the slices can be specified in any order, and the output image will be assembled in that order.

    You can also specify extraction of all except the slices in the list by selecting

  When you have set up the slices you want to extract, select the Input Image either by clicking on the icon, or by typing in the folder (directory) and file name of the image.

  

  Now click on the button to do the extraction. If you have chosen to save the result to disk, then a File Chooser will pop up, prompting you to choose a file name for the new image. Otherwise, the result will be loaded into Jim.

  The Image Concatenator Tool

  Selecting Image Concatenator from the Organise menu: of the main display frame brings up the Image Concatenator Tool:

  

  The Image Concatenator Tool takes multiple input images and pastes all the slices from all the input images end-to-end, in order, to form a new image. The new image will be of the same type as the first input image. The new image can either be saved to disk, or loaded into Jim depending on your selection:

  

  First, select the images to be concatenated by clicking on the on the button. This will bring up a File Chooser from which you can select one or more input images. To select more than one image file, press the "Control" key down while making your selection. To select all files in a list, select one file at the top of the list, press the "Shift" key down, and select a file at the bottom of the list. You can select any files from the list in this way.

  You can add further images to the list of images to be concatenated by clicking on the button at any time.

  Ensure that the images are in the order in which you want them to be concatenated. If they are not in the right order, select one or more images in the displayed list to move, and the click either the button or button to get them in the right order.

  You can remove all the images from the list by clicking the button, or remove just some of the images by first selecting them, and then clicking the button.

  Now click on the button to do the concatenation. If you have chosen to save the result to disk, then a File Chooser will pop up, prompting you to choose a file name for the new image. Otherwise, the result will be loaded into Jim.

  The Image Interleaver Tool

  Selecting Image Interleaver from the Organise menu: of the main display frame brings up the Image Interleaver Tool:

  

  The Image Interleaver Tool takes multiple input images and interleaves their slices to form a new image with the same number of slices as all the input images combined. For example, if we have three input images, a, b and c, the new output image will have slices in the order a1,b1,c1,a2,b3,c2,a3,b3,c3 etc., where a1 is the first slice from image a, b1 is the first slice from image b, and c1 is the first slice from image c etc. The new image will be of the same type as the first input image. The new image can either be saved to disk, or loaded into Jim depending on your selection:

  

  First, select the images to be interleaved by clicking on the on the button. This will bring up a File Chooser from which you can select one or more input images. To select more than one image file, press the "Control" key down while making your selection. To select all files in a list, select one file at the top of the list, press the "Shift" key down, and select a file at the bottom of the list. You can select any files from the list in this way.

  You can add further images to the list of images to be interleaved by clicking on the button at any time.

  Ensure that the images are in the order in which you want them to be interleaved. If they are not in the right order, select one or more images in the displayed list to move, and the click either the button or button to get them in the right order.

  You can remove all the images from the list by clicking the button, or remove just some of the images by first selecting them, and then clicking the button.

  Now click on the button to do the interleaving. If you have chosen to save the result to disk, then a File Chooser will pop up, prompting you to choose a file name for the new image. Otherwise, the result will be loaded into Jim.

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