[OSM-dev] Osmosis Command Line Improvements

[Shaun McDonald]

On 26 Nov 2007, at 22:12, Brett Henderson wrote:

> Frederik Ramm wrote:
>> These make life much easier, thank you! We can soon start deleting  
>> all
>> sorts of perl scripts from the repository as they've been obsoleted  
>> by
>> osmosis. It seems that polygon extraction outperforms my perl
>> implementation by a factor of 5 to 10 which means that either yours  
>> is
>> excellent or mine was crap.
>>
> Cool.  After thinking about writing my own polygon algorithm and being
> reminded that people have already solved this problem many times  
> before
> I used the inbuilt java libraries.  Apparently those guys knew what  
> they
> were doing :-)  The java.awt.geom.Area class in JDK1.6 is fantastic
> (hence my reluctance to support JDK1.5).  You can add/subtract areas
> to/from other areas and using differing precision (either floats or
> doubles) with very minimal code.  My polygon file loader just reads  
> the
> file from start to finish adding and subtracting polygons as it
> encounters them.  The library just works.

Please remember that Apple hasn't released JDK1.6 for Mac OS X 10.5  
Leopard yet.
[..]

Shaun
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