[OpenLayers-Users] Convert Coordinates EPSG:4326 to 31466 doesn?t work ??

[Bytechanger]

Hi,

it seems to work.
But e.g. converting from 4326 to 31466 is very naccurately
<http://dict.leo.org/ende?lp=ende&p=5tY9AA&search=inaccurately> naccurately.
There a difference of 10-100 meters!!
??????????????????

Greetings

Byte


Tobias Wendorff (via Nabble) schrieb:
> Bytechanger schrieb:
> > MsgBox shows source coordinates .... no convert!
>
> Download proj4js and include it:
>
> <script type="text/javascript" src="../proj4js/lib/proj4js.js"></script>
> <script type="text/javascript"
> src="../proj4js/lib/projCode/merc.js"></script>
> <script type="text/javascript"
> src="../proj4js/lib/projCode/tmerc.js"></script>
>
> Then define everthing:
> Proj4js.defs['EPSG:4326'] = '+proj=longlat +ellps=WGS84 +datum=WGS84
> +nadgrids=@null +no_defs';
>
> Proj4js.defs['EPSG:900913']= '+proj=merc +a=6378137 +b=6378137
> +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null
> +no_defs';
>
> Proj4js.defs['EPSG:31466'] = '+proj=tmerc +lat_0=0 +lon_0=6 +k=1.000000
> +x_0=2500000 +y_0=0 +ellps=bessel +units=m +nadgrids=@null +no_defs';
>
> Okay, you don't need 909913 and merc, I think ... but I like to
> have control about these settings.
>
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