Links

Government of Canada Geodetic Tools and Data

NRCAN Geodetic Tools and Data

Transform Coordinates

Government of Canada NTv2 Coordinate Conversion
National Transformation (NTv2) Coordinate Conversions

Computation on the Ellipsoid

Compute Latitude and Longitude Using DIRECT problem
Compute Geodetic Observation using INVERSE Problem

Mapping Plane Computations

Compute Northing and Easting using DIRECT Problem
Compute Grid Observation using INVERSE Problem
Meridian Convergence and Point Scale Factor Computation
Line Scale Factor and (T-t) Correction Computation

Transformations with Grid and Geographic Coordinates

Compute Northing, Easting from Latitude, Longitude
Compute Latitude, Longitude from Northing, Easting
Compute X, Y, Z from Latitude, Longitude and h
Compute Latitude, Longitude and h from X, Y, Z

Observation Reductions to/from the Ellipsoid

Distance Reduction to the Ellipsoid
Distance Reduction from the Ellipsoid
Direction Reduction to the Ellipsoid
Direction Reduction from the Ellipsoid
Azimuth Reduction to the Ellipsoid
Azimuth Reduction from the Ellipsoid