Table 5 Predicted errors at 10 control points in the source system and target system by the new algorithm
From: WTLS iterative algorithm of 3D similarity coordinate transformation based on Gibbs vectors
Point no. | Error of reference station (target system) (m) | Error of unregistered station (source system) (m) | ||||
|---|---|---|---|---|---|---|
\(x^{t}\) | \(y^{t}\) | \(z^{t}\) | \(x^{o}\) | \(y^{o}\) | \(z^{o}\) | |
1 | 0.0093 | 0.0054 | − 0.0027 | − 0.0111 | − 0.0001 | 0.0003 |
2 | 0.0096 | 0.0015 | − 0.0026 | − 0.0095 | 0.0034 | 0.0006 |
3 | 0.0057 | 0.0058 | − 0.0057 | − 0.0089 | − 0.0024 | 0.0039 |
4 | 0.0052 | 0.0034 | − 0.0021 | − 0.0065 | − 0.0004 | 0.0007 |
5 | 0.0095 | 0.0073 | 0.0028 | − 0.0110 | − 0.0016 | − 0.0053 |
6 | 0.0015 | 0.0069 | − 0.0045 | − 0.0056 | − 0.0053 | 0.0033 |
7 | − 0.0045 | 0.0075 | − 0.0064 | − 0.0011 | − 0.0089 | 0.0061 |
8 | − 0.0013 | − 0.0014 | − 0.0015 | 0.0015 | 0.0006 | 0.0019 |
9 | − 0.0341 | − 0.0198 | − 0.0020 | 0.0381 | 0.0003 | 0.0105 |
10 | − 0.0009 | − 0.0166 | 0.0247 | 0.0141 | 0.0145 | − 0.0220 |