[OpenLayers-Users] 'units' question

[Christopher Schmidt]

On Wed, Sep 09, 2009 at 03:21:04PM -0400, ashley_c_mort wrote:
>     What exactly does setting the 'units' property on the map and its layers
> do?    
>     
>     We have a program where our map and all of our layers were created by
> including units:'km' (I can't find a reason for this).  This was causing a
> problem where we were getting errant scale information from the getScale()
> function.  Switching it back to 'dd' seems to resolve that getScale() issue
> with no other effects.  What is the intended or proper use of the 'units'
> property?  I do not fully understand it.

It changes any scale calculations, and nothing else. In a typical basic 
OL config, the value will actually have no effect at all. The 'units' should
be the units of the mapExtent/data -- unless you have a different projection
configured, 'dd' is the right value.

-- Chris

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-- 
Christopher Schmidt
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