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OPENING FILES AND DISPLAYING IMAGES

1. Supported Data Formats

• FITS - including multiple images

• JPEG -

• BMP -

• IMG - an in-house data format that consists of images being stored with a preceeding 8-byte header, where each 2-byte word corresponds to

  • image width
  • image height
  • number of bands (ie; 1 for grayscale images, 3 for rgb)
  • number of bytes per pixel

  Multiple image files are supported, where a separate log file is an ascii table (1 row per image) containing information about;

  • position of first byte of data
  • position of last byte of data
  • name of image
  • date image was taken
  • time image was taken

The screenshot (below) is an example of a log file.

2. Opening Image Files

Click File -> Open to bring up a selection dialog box.

Multiple files may be selected. (Files corresponding to unsupported data formats, depending on the filename extension, will not be selected.)

A list of the selected filenames will be displayed in the PREVIEW PANEL.

Further files may be opened at any time.

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E-mail me at j.a.rainnie@rl.ac.uk

Copyright © 2003 John Rainnie
Last updated January 2003