Functions for display of graphics-format images in a no-frills
viewing window (an
Supported image formats include GIF, JPEG, PNG and FITS,
which may be compressed.
displayBasicImage( label, loc )
labelmay be any string which identifies the window for display, so that multiple images may be displayed in different windows without getting in each others' way.
locshould be a filename or URL, pointing to an image in a format that this viewer understands.
label(String): identifies the window in which the image will be displayed
loc(String): image location