getZoom: Difference between revisions
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|usage= | |usage= | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
getZoom() | getZoom() | ||
</ | </syntaxhighlight> | ||
'''Parameters''' | '''Parameters''' | ||
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|examples= | |examples= | ||
Zoom in by a factor 2 | Zoom in by a factor 2 | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[h: z = getZoom()] | [h: z = getZoom()] | ||
[h: setZoom(2*z)] | [h: setZoom(2*z)] | ||
</ | </syntaxhighlight> | ||
Zoom in by one 10% | Zoom in by one 10% | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[h: z = getZoom()] | [h: z = getZoom()] | ||
[h: setZoom(z+0.1)] | [h: setZoom(z+0.1)] | ||
</ | </syntaxhighlight> | ||
Zoom out by 10% | Zoom out by 10% | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[h: z = getZoom()] | [h: z = getZoom()] | ||
[h: setZoom(z-0.1)] | [h: setZoom(z-0.1)] | ||
</ | </syntaxhighlight> | ||
|also= | |also= | ||
Revision as of 15:59, 15 March 2023
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)]