## page was renamed from Selv.e
= Selv =

||Category ?||Version ?||
== Description ==
Provided the correct GM and Omega, '''Selv''' will use [[SGRAV.TXT]] file to create the surface elevation (same as [[geoid]]).


== Required Files ==
 * SGRAV.TXT

== Input stdin ==
 * This is sometimes contained in [[MGRAV.IN]]
 * What it asks for  
{{{ 
   GM (km^3/s^2), Omega (deg/day)
     1.728e10
     1617.250674

}}}


== Output Files ==
 * some large negative number (e.g.,  -65890511.606425241)
 * SHAPEFILES/[[GEOID.TXT]] - gives the geoid in X, Y, Z position.  A 3 column file.
 * SHAPEFILES/[[SHAPEC.TXT]] - gives the height above the surface.  A 4 column file.

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