Antw: Re: [UMN_MAPSERVER-USERS] SRID = null; how to to convert coordinates fr...

Fernando S. simon at INF.UNIVALI.BR
Fri Oct 15 18:20:25 EDT 2004


Hi Erwin,
   Another suggestion.
   Can't you define your map unit for meters?
   Thank's.

----------------------------------------------------------------
Fernando Simon - simon at inf.univali.br
Mapserver and Oracle Spatial developer
G10 - Laboratorio de Computacao Aplicada
http://g10.cttmar.univali.br
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ErwinVanderBij at cs.com wrote:

>Hello Fernando,
>
>Your suggestion :
>
>data "geom from (select
>SDO_CS.TRANSFORM(SDO_CS.VIEWPORT_TRANSFORM(<your geom column>, <SRID for
>millimeters>), <SRID that you want as output>) as geom from <your table>)".
>
>seems to work!
>
>Many thanks!
>
>I did consider this option before, but I thought this would be not possible.
>The documentation of  SDO_CS.VIEWPORT_TRANSFORM talks about "optimized
>rectangles" to be used for for this function. So, I thought polygons would not work.
>
>Kind regards,
>
>Erwin
>
>
>



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