sri_lanka.jpg

https://legacy.lib.utexas.edu/maps/middle_east_and_asia/sri_lanka.jpg
#3667: 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)
181599 Mannar 79.87842 8.98945 Auto 2.370 0.7%
181597 Dhanushkodi 79.4149 9.179094 Auto 2.078 0.7%
181601 Anuradhapura 80.4106096 8.3349849 Auto 1.578 0.5%
181598 Mankulam 80.4460373 9.1283524 Auto 1.268 0.4%
181605 Maho 80.2735669 7.8239142 Auto 1.155 0.4%
181607 Kurunegala 80.3683 7.4839 Auto 0.725 0.2%
181602 Kalpitiya 79.7628 8.2372 Auto 0.704 0.2%
181616 Opanake 80.6181 6.6081 Auto 0.458 0.1%
181610 Negombo 79.8358 7.2083 Auto 0.406 0.1%
181615 Moneragala 81.3487 6.8714 Auto 0.403 0.1%
181595 Tondi 79.0176831 9.7438699 Auto 0.355 0.1%
181600 Trincomalee 81.2333333 8.5666667 Auto 0.291 0.1%
181614 Pottuvil 81.8290003 6.8781227 Auto 0.192 0.1%
ID Name Longitude Latitude Source Residual (km)
181594 Pedro Auto
181596 Erry Auto
181603 Ora Auto
181604 Poloj Auto
181606 Batticaloa 81.700000 7.716667 Auto
181608 Man Auto
181609 Okegalla Auto
181611 Nuwara 80.770000 6.969722 Auto
181612 Badu Auto
181613 Colombo 79.857751 6.931966 Auto
181617 Kalutara 79.965833 6.576111 Auto
181618 Matara 80.535280 5.948510 Auto

About maplocate

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