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FWReckon
[lat2,long2,BAZ] = FWReckon(lat1,long1,FAZ,rd,EarthRadius);
Function to compute a new LLA position given an LLA starting position, the forward Azimuth, and the down range using Great Circles.
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Parameters |
Description |
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lat1 [vector] |
Starting latitude in degrees |
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long1 [vector] |
Starting longitude in degrees |
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FAZ [vector] |
Forward Azimuth in degrees (Azimuth from starting position to the new position) |
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rd [vector] |
Desired down range (m) |
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EarthRadius [scalar/vector] |
Earth Radius, single geometric earth radius (m) or 2 element vector, [Equatorial radius, Polar radius], of the geodetic earth radii (m) |
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Return Values |
Description |
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lat2 [vector] |
New latitude in degrees |
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long2 [vector] |
New longitude in degrees |
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BAZ [vector] |
Back Azimuth in degrees (Azimuth from new position to starting position) |
Uses T. Vincenty's method in Forward.for obtained from: ftp://www.ngs.noaa.gov/pub/pcsoft/for_inv.3d/source/forward.for
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Copyright (c) MZA Associates 2009. All rights reserved.
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Description