基于高斯投影的坐标正反计算 voidCGaosiDlg::Anti_GuaussProj_6(doubleX,doubleY,intZoneWide)//高斯坐标6度带反算 { intProjNo;////带宽 doublelongitude1,latitude1,longitude0,latitude0,X0,Y0,xval,yval; doublee1,e2,f,a,ee,NN,T,C,M,D,R,u,fai,iPI; iPI=0.0174532925199433;////3.1415926535898/180.0; a=63