getZoom: Difference between revisions
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|version=1.4 | |version=1.4 | ||
|description= | |description= | ||
Returns the current zoom level of the viewport. This is the same number as what you find at the bottom of the Maptool window. | 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= | |usage= | ||
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[h: setZoom(2*z)] | [h: setZoom(2*z)] | ||
</source> | </source> | ||
Zoom in by one | Zoom in by one 10% | ||
<source lang="mtmacro" line> | <source lang="mtmacro" line> | ||
[h: z = getZoom()] | [h: z = getZoom()] | ||
[h: setZoom(z+1)] | [h: setZoom(z+0.1)] | ||
</source> | </source> | ||
Zoom out by | Zoom out by 10% | ||
<source lang="mtmacro" line> | <source lang="mtmacro" line> | ||
[h: z = getZoom()] | [h: z = getZoom()] | ||
[h: setZoom(z-1)] | [h: setZoom(z-0.1)] | ||
</source> | </source> | ||
Revision as of 09:28, 30 April 2015
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)]