Module __main__

Run some Ax*QG.forward and .reverse conversion examples.

Use "python3 -m pyaxqg -h | --help" to get the usage options:

usage: python3 -m pyaxqg [ -h | -help ] [ -v | --version ] [ -precision <ndigits> ]

[ -biaxial | -trixial ] [ -raiser ] -forward <lat> <lon> [ <height> ]

[ -biaxial | -trixial ] [ -raiser ] -reverse <x> <y> <z> [ <H> ]

[ -biaxial | -trixial ] -egm <egm*.pgm> [ latS [ lonW [ latN [ lonE ]]]]

___ **) where -egm compares the height from Ax2QG or Ax3QG with those of pygeodesy.GeoidKarney using a geoid <egm*.pgm> dataset between the bounds latS to latN and lonW to lonE. The min, max difference and standard deviation for dataset egm2008-1.pgm are Ax2QG min -8.833, max 15.171, mean -0.003, stdev 0.622 and Ax3QG min -36.514, max 38.033, mean -0.001, stdev 15.122 for all 180 x 360 half-degree lat- and longitudes of the Ax*Qg grids. For all 1-degree lat- and longitudes the differences are negligable Ax2QG min -0.002, max 0.002, mean -0.000, stdev 0.001.