Transforming Coordinates from One Coordinate Plane to Another
D. Miller Robert, East Lansing, Michigan
Introduction
A common problem in graphics requires converting Cartesian coordinates from one reference system to corresponding points on a different reference frame. Other applications might include registration of overlays on an existing map or drawing in which the coordinate systems of each can only be determined empirically. The conversion of local (digitized) coordinates to a common world coordinate system may be done with the procedures outlined in this gem.
Method
To find a general transformation between 2D coordinate systems, coordinates of some corresponding points are known. A transformation will be determined that will ...
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