First Order Polynomial

The First Order Polynomial transformation preserves equally spaced points along a line but does not preserve diagonal lines. The equation is of the form:

image\1stordereq.png

The minimum number of control points required for this transformation is four.

The left graphic is the file before using the first order polynomial transformation. The right graphic is the file after using a first order polynomial transformation. Note that lines are no longer parallel.

See Also

Spatial Transformations

Spatial Transformation Methods References

Georeference Image