sri_lanka.jpg

https://legacy.lib.utexas.edu/maps/middle_east_and_asia/sri_lanka.jpg
#2935: Successfully georeferenced
🡇 Download

Georeferencing Error

Mean Absolute Error Root Mean Square Error Maximum Error
0.3%
0.3%
0.7%
2.498 pixels 3.110 pixels 6.432 pixels
0.922 km 1.149 km 2.370 km
🡇 Parameters

Estimated Transform

Type: Polynomial (2nd order)
Coefficients:
Long = 0.000x2 +0.000xy 0.000y2 +0.003x +0.000y +78.792
Lat = +0.000x2 +0.000xy 0.000y2 0.000x -0.003y +10.129

Control Points

🡇 CSV 🡇 GeoJSON

ID Name Longitude Latitude Source Residual (km)
161016 Mannar 79.87842 8.98945 Auto 2.370 0.7%
161014 Dhanushkodi 79.4149 9.179094 Auto 2.078 0.7%
161018 Anuradhapura 80.4106096 8.3349849 Auto 1.578 0.5%
161015 Mankulam 80.4460373 9.1283524 Auto 1.268 0.4%
161022 Maho 80.2735669 7.8239142 Auto 1.155 0.4%
161024 Kurunegala 80.3683 7.4839 Auto 0.725 0.2%
161019 Kalpitiya 79.7628 8.2372 Auto 0.704 0.2%
161033 Opanake 80.6181 6.6081 Auto 0.458 0.1%
161027 Negombo 79.8358 7.2083 Auto 0.406 0.1%
161032 Moneragala 81.3487 6.8714 Auto 0.403 0.1%
161012 Tondi 79.0176831 9.7438699 Auto 0.355 0.1%
161017 Trincomalee 81.2333333 8.5666667 Auto 0.291 0.1%
161031 Pottuvil 81.8290003 6.8781227 Auto 0.192 0.1%
ID Name Longitude Latitude Source Residual (km)
161025 Man Auto
161026 Okegalla Auto
161028 Nuwara 80.770000 6.969722 Auto
161029 Badu Auto
161030 Colombo 79.857751 6.931966 Auto
161034 Kalutara 79.965833 6.576111 Auto
161035 Matara 80.535280 5.948510 Auto
161011 Pedro Auto
161013 Erry Auto
161020 Ora Auto
161021 Poloj Auto
161023 Batticaloa 81.700000 7.716667 Auto

About maplocate

Maplocate is a free map georeferencing service created by Karim Bahgat, with support from the William & Mary GeoLab.