Table for constructing the Robinson Projection | ||
Latitude N/S | Length of parallel | Distance of parallel from equator |
0 | 1.0000 | 0.0000 |
5 | 0.9986 | 0.0314 |
10 | 0.9954 | 0.0629 |
15 | 0.9900 | 0.0943 |
20 | 0.9822 | 0.1258 |
25 | 0.9730 | 0.1572 |
30 | 0.9600 | 0.1887 |
35 | 0.9427 | 0.2201 |
40 | 0.9216 | 0.2515 |
45 | 0.8962 | 0.2826 |
50 | 0.8679 | 0.3132 |
55 | 0.8350 | 0.3433 |
60 | 0.7986 | 0.3726 |
65 | 0.7597 | 0.4008 |
70 | 0.7186 | 0.4278 |
75 | 0.6732 | 0.4532 |
80 | 0.6213 | 0.4765 |
85 | 0.5722 | 0.4951 |
90 | 0.5322 | 0.5072 |
Intermediate values can be found by simple interpolation. |