Leica GEM

if len > 0xa2:
 header,magic,fsiz,unk64,unk011  = struct.unpack("<9shIbb",fin.read(9+2+4+1+1))

fin.seek(18+53,1)
a,f1,miny,minx,maxy,maxx,dx,dy,unk012,ave,ncol,nvals,       = struct.unpack("<ddddddddbfII",fin.read(8+8+8+8+8+8+8+8+1+4+4+4))

nrow=nvals/ncol
R2D=180./3.14159265358979323846

for i in range(0,nrow*ncol):
 row = int(i/ncol)
 col = i%(ncol)   
 val, = struct.unpack("h",fin.read(2))
 printf("%.9f %.9f %13.6f\n", (minx+col*dx)*R2D,(maxy-row*dy)*R2D, ave+val/1000.)