setZoom: Difference between revisions
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|usage= | |usage= | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
setZoom(z) | setZoom(z) | ||
</ | </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= | ||
Latest revision as of 17:46, 14 March 2023
setZoom() Function
• Introduced in version 1.4
Sets the zoom level of the viewport in percentages, where 1 (=100%) is the default.
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(). Note that this value is given in the numerical representation of %. E.g. to set zoom to 50% you give 0.5 as parameter.
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)]