[MAPSERVER-USERS] how mapserver handles different datum projections

[DNC]

Kristian,

That did the trick!

I only wish we could use 'init=epsg' and add to it what we need in the map
file...

I ended up changing the epsg file adding the +towgs84 parameters.

Thanks.
Duarte


Kristian Thy wrote:
> 
> On Sat, Apr 05, DNC wrote:
>> The projection definition is this:
>> 'init=epsg:27492 towgs84=-223.237,110.193,36.649'
> 
> You can either specify the EPSG shorthand or the entire definition. So
> you could do something like this:
> 
> 	'+proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112
> +k=1.000000 +x_0=180.598 +y_0=-86.98999999999999 +ellps=intl +units=m
> +towgs84=-223.237,110.193,36.649 +no_defs  no_defs <>'
> 
> (All on one line, probably.)
> 
> \\kristian
> -- 
> ... et nemo ex vobis interrogat me: »Quo vadis?«
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> 

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