NCAT conversions and transformations can be done interactively using single or multi-point conversions directly on the NCAT page. NCAT is also available as a download or an API (application programming interface).
Version 2.1 adds:
• an option to specify units for heights,
• an option to customize data exported,
• more FAQs, and
• a link to the source code on github.
Video tutorials and in-depth Frequently Asked Questions lists are available online for surveyors and geodesists new to the software.
Please note that, although either orthometric or ellipsoidal heights can be used as inputs to NCAT, at this time NCAT does not convert between orthometric and ellipsoidal heights. Only orthometric-to-orthometric and ellipsoidal-to-ellipsoidal height transformations are currently possible in NCAT.
NCAT incorporates the capabilities of the following NGS computer programs, which originally were stand-alone products:
XYZ Coordinate Conversion (XYZWIN 2.0)
Universal Transverse Mercator Coordinates (UTMS 2.1)
State Plane Coordinates, NAD 83 (SPC83 2.1)
State Plane Coordinates, NAD 27 (GPPCGP 2.0)
U.S. National Grid (USNG 2.3)
Latitude,Longitude,and Ellipsoid Height Transformations (NADCON)
Orthometric Height Height Transformations (VERTCON)
For more information on NCAT CLICK HERE.
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