[OSM-dev] Osmarender feature on only one side of road

Frederik Ramm frederik at remote.org
Mon Jul 2 11:17:31 BST 2007


Hi,

> It seems to me you should be able to use viewport transformations to
> do this. If you draw a line:
>
> <line x1="0" y1="1.5" x2="400" y2="1.5" />
>
> Then this will draw a line 50 pixels offset:
>
> <g transform="translate(0,50)">
> <line x1="0" y1="1.5" x2="400" y2="1.5" />
> </g>

But wouldn't you have to individually compute the offset for every  
line segment using trigonometric functions if you want a constant  
distance between the original path and the offset path?

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00.09' E008°23.33'






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