getZoom
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)]