单像空间后方交会VC++.doc

单像空间后方交会程序
输入文件形式如下：

C++源程序如下：
#include<iostream>
#include<fstream>
#include<cmath>
#include<string>
#include<iomanip>
usingnamespacestd;
constintn=6;
voidinverse(doublec[n][n]);
template<typenameT1,typenameT2>voidtranspose(T1*mat1,T2*mat2,inta,intb);
template<typenameT1,typenameT2>voidmulti(T1*mat1,T2*mat2,T2*result,inta,intb,intc);
template<typenameT>voidinput(T*mat,inta,intb);
template<typenameT>voidoutput(T*mat,char*s,inta,intb);
intmain()
{
ofstreamoutFile;
cout.precision(5);
doublex0=0.0,y0=0.0;doublefk=0.15324;//内方位元素
doublem=39689;//估算比例尺
doubleB[4][5]={0.0},R[3][3],XG[6][1],AT[6][8],ATA[6][6],ATL[6][1];
input(B,4,5);//从文件中读取控制点的影像坐标和地面坐标，存入数组B
doubleXs=0.0,Ys=0.0,Zs=0.0,Q=0.0,W=0.0,K=0.0;
doubleX,Y,Z,L[8][1],A[8][6];
//确定未知数的出始值
for(inti=0;i<4;i++)
{Xs=Xs+B[i][2];
Ys=Ys+B[i][3];
Zs=Zs+B[i][4];
}
Xs=Xs/4;Ys=Ys/4;Zs=Zs/4+m*fk;
intf=0;
do//迭代计算
{f++;
//组成旋转矩阵
R[0][0]=cos(Q)*cos(K)-sin(Q)*sin(W)*sin(K);
R[0][1]=-cos(Q)*sin(K)-sin(Q)*sin(W)*cos(K);
R[0][2]=-sin(Q)*cos(W);
R[1][0]=cos(W)*sin(K);
R[1][1]=cos(W)*cos(K);
R[1][2]=-sin(W);
R[2][0]=sin(Q)*cos(K)+cos(Q)*sin(W)*sin(K);
R[2][1]=-sin(Q)*sin(K)+cos(Q)*sin(W)*cos(K);
R[2][2]=cos(Q)*cos(W);
//计算系数阵和常数项
for(inti=0,k=0,j=0;i<=3;i++,k++,j++)
{
X=R[0][0]*(B[i][2]-Xs)+R[1][0]*(B[i][3]-Ys)+R[2][0]*(B[i][4]-Zs);
Y=R[0][1]*(B[i][2]-Xs)+R[1][1]*(B[i][3]-Ys)+R[2][1]*(B[i][4]-Zs);
Z=R[0][2]*(B[i][2]-Xs)+R[1][2]*(B[i][3]-Ys)+R[2][2]*(B[i][4]-Zs);
L[j][0]=B[i][0]-(x0-fk*X/Z);
L[j+1][0]=B[i][1]-(y0-fk*Y/Z);
j++;
A[k][0]=(R[0][0]*fk+R[0][2]*(B[i][0]-x0))/Z;
A[k][1]=(R[1][0]*fk+R[1][2]*(B[i][0]-x0))/Z;
A[k][2]=(R[2][0]*fk+R[2][2]*(B[i][0]-x0))/Z;
A[k][3]=(B[i][1]-y0)*sin(W)-((B[i][0]-x0)*((B[i][0]-x0)*cos(K)-(B[i][1]-y0)*sin(K))/fk+fk*cos(K))*cos(W);
A[k][4]=-fk*sin(K)-(B[i][0]-x0)*((B[i][0]-x0)*sin(K)+(B[i][1]-y0)*cos(K))/fk;
A[k][5]=B[i][1]-y0;
A[k+1][0]=(R[0][1]*fk+R[0][2]*(B[i][1]-y0))/Z;
A[k+1][1]=(R[1][1]*fk+R[1][2]*(B[i][1]-y0))/Z;
A[k+1][2]=(R[2][1]*fk+R[2][2]*