[mkgmap-dev] length () in relations file

Mon Feb 11 19:11:14 GMT 2013

Hi Minko,

It might be possible. The problem to be solved is that the garmin map 
geometry is not rectangular. So at the moment I don't know how the area 
size of a polygon can be calculated in a metric unit.

WanMil

> Can something like the length function also be implemented for polygons to render big lakes earlier?
> For example
> natural=water & area() > 10 [0x3c resolution 16]
> natural=water [0x3c resolution 18]
>
> (gmaptool shows this area in sq km)
>
>
>
>>> There was a typo where it was checking if the function was supported
>>> for
>>> nodes instead of relations. Now fixed.
>>>
>>> ..Steve
>>
>> --
>> keep on biking and discovering new trails
>>
>> Felix
>> openmtbmap.org & www.velomap.org
>>
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