PROJ.4 library and OSGB36

Question

hope you are well

I am trying to convert lat/long coordinates to OSGB36 x and y using the proj.4 library.

Has anyone else successfully done this? I need to f

Answer 1

got it:

string srcPrj4String = "+proj=longlat +ellps=WGS84 +towgs84=0,0,0 +no_defs";
string destPrj4String = "+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +towgs84=446.448,-125.157,542.060,0.1502,0.2470,0.8421,-20.4894 +units=m +no_defs";

cheers!