When filling coefficient matrix coordinate need to use local coordinate

CodePudding user response:

Remember to match, direct calculation chart A X, X, Y, and B Y the high-order polynomial coefficient of relationship between control click more good,

Calculated, after the rotation of a graphic, after mosaics of revising the map coordinates, and a fixed offset, because rotating graphics on another picture, a lot of pixels in figure outside, so the calculation of maximum range of x, y, and then the negative addition 0 point of departure,