51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2012 California Institute of Technology. ALL RIGHTS RESERVED.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# United States Government Sponsorship acknowledged. This software is subject to
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# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
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# (No [Export] License Required except when exporting to an embargoed country,
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# end user, or in support of a prohibited end use). By downloading this software,
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# the user agrees to comply with all applicable U.S. export laws and regulations.
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# The user has the responsibility to obtain export licenses, or other export
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# authority as may be required before exporting this software to any 'EAR99'
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# embargoed foreign country or citizen of those countries.
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#
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# Authors: Giangi Sacco, Eric Belz
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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"""Docstring"""
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Version = "$Revision: 876$"
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# $Source$
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from iscesys.Compatibility import Compatibility
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from isceobj.Planet.Planet import Planet
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from isceobj.Planet.AstronomicalHandbook import c as SPEED_OF_LIGHT
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EARTH = Planet(pname='Earth')
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EarthGM = EARTH.GM
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EarthSpinRate = EARTH.spin
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EarthMajorSemiAxis = EARTH.ellipsoid.a
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EarthEccentricitySquared = EARTH.ellipsoid.e2
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def nu2lambda(nu):
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return SPEED_OF_LIGHT/nu
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def lambda2nu(lambda_):
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return SPEED_OF_LIGHT/lambda_
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