Maritime Provinces polynomial interpolation


Data source: EPSG

Information source: Survey of New Brunswick

Revision date: 2017-06-13

Remarks: This transformation is an executable module within the application NBGeocalc. It is an adaptation of the ESTPM program developed by Geodetic Survey of Canada.


The transformation makes use of a residual file for each Canadian maritime province.  The process of residual interpolation accounts for local variations in the coordinate reference system and provides a transformation accuracy of +/- 5 cm.

By using a second residual file, the transformation may be reversed.  Only one residual file is in use by the method during any given execution.
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