[postgis-users] assvg problem

Thanos Fakiolas thanos_fakiolas at hotmail.com
Fri Nov 11 14:05:51 PST 2005


so can i do something so the coordinates will be right as svg?


>From: david techer <davidtecher at yahoo.fr>
>Reply-To: davidtecher at yahoo.fr,PostGIS Users Discussion 
><postgis-users at postgis.refractions.net>
>To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
>Subject: Re: [postgis-users] assvg problem
>Date: Fri, 11 Nov 2005 23:00:47 +0100
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>for GIS System coordinates is like:
>
> Y
>
>/|\
>
> |
>
> |
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> |
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> -----------------------------> X
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>For SVG image system is like
>
>  -------------------------> X
>  |
>  |
>  |
>  |
>\|/
>  Y
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>Example: so GIS Point(10 13) becames SVG Point(10 -13) (cx='10' cy='-13')
>
>So coordinates are negative
>--david;
>-------------------------------------------------
>Jean David TECHER
>e-mail: davidtecher(at)yahoo(dot)fr
>site: http://techer.pascal.free.fr/postgis/
>-------------------------------------------------
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>Thanos Fakiolas a écrit :
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>i'm trying to extract a europe map via the assvg function
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>buth for the countries i get a path with negative coordinates!
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>what is wrong?
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>plz help
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