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panf

Perform an absolute pan viewing operation.

Synopsis:

panf xpan ypan

Arguments:

xpan

A real number whose value ranges from -1.0 to 1.0, indicating the amount to pan in the X direction.

ypan

A real number whose value ranges from -1.0 to 1.0, indicating the amount to pan in the Y direction.

Description:

The panf (pan factor) command performs a pan operation which is absolute, based on the original image. For example, " panf .1 .2" would move the original image 10% of the window width to the right and 20% of the window height upward. Successive panf commands with the same arguments would have no effect. This is in contrast to the pan command, which performs a relative pan operation.

Examples:

panf .5 0.

panf -.2 .2

See Also:

center3 , latitude , longitude , mapping , pan , zoom3 , zoomf3


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