This is a partial panorama with limited field of view using the PTZoom extension of PTViewer. Source  is a 1600x1200 pixel HDR-image generated using 5 images with different exposure level. The image is coded in a jpeg-derived floating point format. Automatic brightness adjustment is turned on, and the autorange parameter is set to 30.
 

    Viewer Instructions:

• Press 'b' to brighten by 5%
• Press 'd' to darken by 5%
• Click and move the mouse to pan and tilt
• While panning, use control and shift keys to zoom in and out.
• Alternatively, use the arrow keys for panning and tilting in fixed increments.
• Use + and -, or > and < keys to zoom in fixed increments.

Copyright 2003,2004 Helmut Dersch der@fh-furtwangen.de