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> Hi Marko, > > > I have sent you my data, > > I now had the time to take a look at the coordinates. Everything looks fine from my point of view. If you reduce your coordinates manually, the shift will be small. However, it is still the identical transformation, i.e. the weighted sum of squared residuals is (almost) identical, i.e., [inlinecode]5.84452183E-4[/inlinecode] (reduced systems) vs. [inlinecode]5.84452188E-4[/inlinecode] (original data). I'm not sure about your expectations, but large shift values are not an indicator of a poor transformation. > > Kind regards > Micha > > Here the reduced systems: > > [b]source.txt[/b] > [pre]R1.1 955.748 841.856 > R1.2 939.741 817.587 > R1.3 910.947 775.604 > R1.5 851.444 694.252 > R1.6 820.398 653.913 > R1.7 795.972 622.823 > R2.2 945.373 813.856 > R2.3 916.452 771.794 > R2.5 887.125 730.827 > R2.6 856.820 690.199 > R2.7 825.676 649.768 > R2.8 806.988 625.956 > R2.9 801.188 618.639 > R3.2 961.670 827.155 > R3.3 955.949 818.512 > R3.4 950.564 810.361 > R3.5 944.833 801.852 > R3.6 938.964 793.273 > R3.7 933.380 785.106 > R3.8 927.523 776.679 > R3.9 921.676 768.296 > R3.10 915.895 760.139 > R3.11 909.990 751.821 > R3.12 903.919 743.374 > R3.13 898.169 735.395 > R3.15 892.114 727.108 > RN3.16 885.988 718.766 > RN3.17 880.078 710.800 > RN3.18 873.926 702.550 > RN3.19 867.727 694.275 > RN3.20 861.766 686.406 > RN3.21 855.612 678.318 > RN3.22 849.293 670.068 > RN3.23 843.276 662.206 > RN3.24 836.977 654.123 > RN3.25 830.632 645.939 > RN3.26 824.575 638.168 > R3.27 818.297 630.220 > R3.28 811.868 622.091 > R3.29 806.107 614.799 [/pre] > > [b]target.txt[/b] > [pre]R1.1 955.779 841.828 > R1.2 939.767 817.559 > R1.3 910.969 775.580 > R1.5 851.444 694.232 > R1.6 820.392 653.889 > R1.7 795.966 622.804 > R2.2 945.399 813.829 > R2.3 916.466 771.778 > R2.5 887.139 730.809 > R2.6 856.814 690.181 > R2.7 825.687 649.747 > R2.8 806.978 625.935 > R2.9 801.193 618.618 > R3.2 961.700 827.123 > R3.3 955.980 818.480 > R3.4 950.591 810.331 > R3.5 944.860 801.824 > R3.6 938.987 793.245 > R3.7 933.406 785.081 > R3.8 927.544 776.651 > R3.9 921.698 768.270 > R3.10 915.915 760.115 > R3.11 910.007 751.793 > R3.12 903.935 743.348 > R3.13 898.182 735.376 > R3.15 892.128 727.088 > R3.16 885.972 718.752 > R3.17 880.063 710.789 > R3.18 873.907 702.536 > R3.19 867.705 694.259 > R3.20 861.750 686.395 > R3.21 855.593 678.301 > R3.22 849.275 670.056 > R3.23 843.259 662.192 > R3.24 836.989 654.103 > R3.25 830.616 645.928 > R3.26 824.557 638.152 > R3.27 818.280 630.203 > R3.28 811.852 622.074 > R3.29 806.090 614.780 [/pre]
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