PHOTGREY- Displays a grey scale image

Description:

Plots an image as a greyscale on a suitable device.

Usage:

PHOTGREY

Parameters:

IMAGE = IMAGE (Read)

Name of the image.

XSTART = _REAL (Read)

The first X pixel of the image to be displayed.

XEND = _REAL (Read)

The last X pixel of the image to be displayed.

YSTART = _REAL (Read)

The first Y pixel of the image to be displayed.

YEND = _REAL (Read)

The last Y pixel of the image to be displayed.

LOW = _REAL (Read)

The data value corresponding to black on the display.

HIGH = _REAL (Read)

The data value corresponding to white on the display

DEVICE = DEVICE (Read)

The image display device.