Attila, Though I'm not aware of the 'Measure Distance' tool you've mentioned, your proj4 definition in the epsg file should be something like:
+proj=somerc +lat_0=47.14439372222222 +lon_0=19.04857177777778 +alpha=90 +k=0.99993 +x_0=650000 +y_0=200000 +ellps=GRS67 +units=m +no_defs Best regards, Tamas 2007/11/6, Berényi Attila <[EMAIL PROTECTED]>: > Hi there, > > How could I change the unit of the 'Measure Distance' tool? Now it's in > 'mi' and shows something the couldn't be the true distance. I'm using > PROJECTION > init="epsg:23700" > END > > This is the Hungarian Geodetic Date, and the master unit is meter. > > Any suggestion? > > Thanks in advance, > > Attila >