setZoom
setZoom() Function
• Introduced in version 1.4
Sets the zoom level of the viewport.
Usage
setZoom(z)
Parameters
z
- The zoom level of the viewport (the current zoom level can be seen at the bottom of the maptool screen. You can also use getZoom()
Examples
Zoom in by a factor 2
[h: z = getZoom()]
[h: setZoom(2*z)]
Zoom in by one step
[h: z = getZoom()]
[h: setZoom(z+1)]
Zoom out by one step
[h: z = getZoom()]
[h: setZoom(z-1)]