setZoom: Difference between revisions
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* {{code|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 {{func|getZoom}} | * {{code|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 {{func|getZoom}} | ||
| | |examples= | ||
Zoom in by a factor 2 | Zoom in by a factor 2 | ||
<source lang="mtmacro" line> | <source lang="mtmacro" line> | ||
[h: z = getZoom()] | [h: z = getZoom()] | ||
[h: setZoom(2*z)] | [h: setZoom(2*z)] | ||
</source> | |||
Zoom in by one step | |||
<source lang="mtmacro" line> | |||
[h: z = getZoom()] | |||
[h: setZoom(z+1)] | |||
</source> | |||
Zoom out by one step | |||
<source lang="mtmacro" line> | |||
[h: z = getZoom()] | |||
[h: setZoom(z-1)] | |||
</source> | </source> | ||
Revision as of 08:37, 30 April 2015
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)]