getZoom

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getZoom() Function

Introduced in version 1.4
Returns the current zoom level of the viewport in percentage, where 1 (=100%) is the default. This is the same number as what you find at the bottom of the Maptool window.

Usage

getZoom()

Parameters None.

Examples

Zoom in by a factor 2
[h: z = getZoom()]
[h: setZoom(2*z)]

Zoom in by one 10%

[h: z = getZoom()]
[h: setZoom(z+0.1)]

Zoom out by 10%

[h: z = getZoom()]
[h: setZoom(z-0.1)]

See Also