Linear Interpolation:
| X1: | X: | X2: | |||
| Y1: | Y: | Y2: |
Bi-Linear Interpolation:
| X1: | X: | X2: | |||||
| Y1: | F(X1,Y1): | F(X,Y1): | F(X2,Y1): | ||||
| Y: | F(X1,Y): | F(X,Y): | F(X2,Y): | ||||
| Y2: | F(X1,Y2): | F(X,Y2): | F(X2,Y2): |
| X1: | X: | X2: | |||
| Y1: | Y: | Y2: |
| X1: | X: | X2: | |||||
| Y1: | F(X1,Y1): | F(X,Y1): | F(X2,Y1): | ||||
| Y: | F(X1,Y): | F(X,Y): | F(X2,Y): | ||||
| Y2: | F(X1,Y2): | F(X,Y2): | F(X2,Y2): |