数据格式的转换 从z2到xyz的转换 不同的软件需要不同的数据输入 -grd2xyz f.grd-Z|z2grd3-Rw/e/s/n-Idx/dy-Gf.grd3 c c In some cases you have produced a .grd file using gmt commands c and you wish to read it in a fortran or a C++ program

用GMT软件绘制gps平面速度场，附件已包含所需数据(Map the GPS plane speed field with the GMT software)