WGS84 和 BJ54 坐标转换源程序
两个坐标系转换一般需要平移，旋转，缩放共七参数。
Y=（1＋k)*M(x,y,z)*X+dX;
X,Y 为 3*1 矩阵,M(x,y,z)为 3*3 的旋转矩阵.
public class CoordTrans7Param
{
public double[,] values=new double[7,1];
//{{dx},{dy},{dz},{rx},{ry},{rz},{k}};
//public double dx,dy,dz,rx,ry,rz,k;
public void Set4Param(double dx,double dy,double dz,double k)
{
this.dx=dx;
this.dy=dy;
this.dz=dz;
this.k=k;
this.rx=this.ry=this.rz=0;
}
public void SetRotationParamRad(double rx,double ry,double rz)
{
this.rx=rx;
this.ry=ry;
this.rz=rz;
}
public void SetRotationParamMM(double rx,double ry,double rz)
{
SetRotationParamRad(rx*Math.PI/648000,ry*Math.PI/648000,rz*Math.PI/648000);
}
private double[,] GetMx()
{
double [,] Mx=new double[,]
{{1,0,0},
{0,Math.Cos(rx),Math.Sin(rx)},
{0,-Math.Sin(rx),Math.Cos(rx)}};
return Mx;
}
private double[,] GetMy()
{
double [,] My=new double[,]
{{Math.Cos(ry),0,-Math.Sin(ry)},
{0,1,0},
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资源评论
幕路2015-08-27这是C#的程序吧，现评分，再看看- sd9012282014-05-30还行吧就是不是vb的
ljf86093902015-10-03还行，就是有些看不懂
