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torben |
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// ********************************************************************** |
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// |
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// <copyright> |
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// |
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// BBN Technologies |
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// 10 Moulton Street |
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// Cambridge, MA 02138 |
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// (617) 873-8000 |
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// |
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// Copyright (C) BBNT Solutions LLC. All rights reserved. |
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// |
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// </copyright> |
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// ********************************************************************** |
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// |
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// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/proj/Planet.java,v $ |
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// $RCSfile: Planet.java,v $ |
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// $Revision: 1.4.2.1 $ |
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// $Date: 2004/10/14 18:27:37 $ |
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// $Author: dietrick $ |
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// |
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// ********************************************************************** |
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package dk.thoerup.traininfoservice.geo; |
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/** |
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* Planet datums and parameters. These values are taken from John |
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* Snyder's <i>Map Projections --A Working Manual </i> You should add |
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* datums as needed, consult the ellips.dat file. |
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*/ |
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public class Planet { |
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// Solar system id's. Add new ones as needed. |
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final public static transient int Earth = 3; |
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final public static transient int Mars = 4; |
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// WGS84 / GRS80 datums |
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final public static transient float wgs84_earthPolarRadiusMeters = 6356752.3142f; |
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final public static transient double wgs84_earthPolarRadiusMeters_D = 6356752.3142; |
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final public static transient float wgs84_earthEquatorialRadiusMeters = 6378137.0f; |
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final public static transient double wgs84_earthEquatorialRadiusMeters_D = 6378137.0; |
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final public static transient float wgs84_earthFlat = 1 - (wgs84_earthPolarRadiusMeters / wgs84_earthEquatorialRadiusMeters);// 1 - |
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// (minor/major) |
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// = |
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// 1/298.257 |
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final public static transient float wgs84_earthEccen = (float) Math.sqrt(2 |
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* wgs84_earthFlat - (wgs84_earthFlat * wgs84_earthFlat));// sqrt(2*f |
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// - |
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// f^2) |
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// = |
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// 0.081819221f |
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final public static transient float wgs84_earthEquatorialCircumferenceMeters = MoreMath.TWO_PI |
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* wgs84_earthEquatorialRadiusMeters; |
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final public static transient float wgs84_earthEquatorialCircumferenceKM = wgs84_earthEquatorialCircumferenceMeters / 1000f; |
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final public static transient float wgs84_earthEquatorialCircumferenceMiles = wgs84_earthEquatorialCircumferenceKM * 0.62137119f;//HACK |
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// use |
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// UNIX |
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// units? |
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final public static transient float wgs84_earthEquatorialCircumferenceNMiles = 21600.0f; // 60.0f |
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// * |
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// 360.0f; |
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// // |
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// sixty |
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// nm |
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// per |
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// degree |
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final public static transient double wgs84_earthEquatorialCircumferenceMeters_D = MoreMath.TWO_PI_D |
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* wgs84_earthEquatorialRadiusMeters_D; |
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final public static transient double wgs84_earthEquatorialCircumferenceKM_D = wgs84_earthEquatorialCircumferenceMeters_D / 1000; |
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final public static transient double wgs84_earthEquatorialCircumferenceMiles_D = wgs84_earthEquatorialCircumferenceKM_D * 0.62137119;//HACK |
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// use |
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// UNIX |
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// units? |
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final public static transient double wgs84_earthEquatorialCircumferenceNMiles_D = 21600.0; // 60.0f |
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// * |
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// 360.0f; |
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// // |
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// sixty |
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// nm |
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// per |
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// degree |
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// wgs84_earthEquatorialCircumferenceKM*0.5389892f; // calculated, |
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// same as line above. |
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// wgs84_earthEquatorialCircumferenceKM*0.5399568f;//HACK use UNIX |
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// units? << This was wrong. |
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// Mars |
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final public static transient float marsEquatorialRadius = 3393400.0f;// meters |
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final public static transient float marsEccen = 0.101929f;// eccentricity |
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// e |
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final public static transient float marsFlat = 0.005208324f;// 1-(1-e^2)^1/2 |
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// International 1974 |
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final public static transient float international1974_earthPolarRadiusMeters = 6356911.946f; |
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final public static transient float international1974_earthEquatorialRadiusMeters = 6378388f; |
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final public static transient float international1974_earthFlat = 1 - (international1974_earthPolarRadiusMeters / international1974_earthEquatorialRadiusMeters);// 1 - |
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// (minor/major) |
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// = |
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// 1/297 |
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// Extra scale constant for better viewing of maps (do not use |
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// this to |
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// calculate anything but points to be viewed!) |
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public transient static int defaultPixelsPerMeter = 3272;// 3384: |
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// mattserver/Map.C, |
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// 3488: |
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// dcw |
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// cannot construct |
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private Planet() {} |
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} |
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