Hi Robert,

did you try proj.4 syntax? Like

"+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +towgs84=-75,-230,-89 +ellps=intl"

This seems to work in my case.

Regards,
Dirk Jesko



Robert Albrecht wrote:

Hi!

I'm trying to do a conversion from Finnish KKJ coordinates to WGS 84 lat/long coordinates using PHP/MapScript. My problem is that I can't figure out how to specify the transformation parameters.

The projection I'm trying to do looks like this:
$projIn = ms_newProjectionObj("proj=tmerc,lat_0=0,lon_0=27,k=1,x_0=3500000,y_0=0,towgs84=-75,-230,-89,ellps=intl");
$projOut = ms_newProjectionObj("proj=latlong,datum=WGS84");

However the "towgs84=-75,-230,-89" part only works for the dx part (-75) as MapScript apparently thinks -230 and -89 are new parameters. I've tried different ways to specify the transformation parameters, without any luck. Could someone help me out here?

Thanks in advance,
Robert Albrecht

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