satgeometry.h
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (c) 1999 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the MASH Research
- * Group at the University of California Berkeley.
- * 4. Neither the name of the University nor of the Research Group may be
- * used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#) $
- *
- * Contributed by Tom Henderson, UCB Daedalus Research Group, June 1999
- */
- #ifndef __ns_sat_geometry_h__
- #define __ns_sat_geometry_h__
- #include <math.h>
- #include <trace.h>
- #include "object.h"
- // Various constants
- #define PI 3.1415926535897
- #define MU 398601.2 // Greek Mu (km^3/s^2)
- #define LIGHT 299793 // km/s
- #define EARTH_PERIOD 86164 // seconds
- #define EARTH_RADIUS 6378 // km
- #define GEO_ALTITUDE 35786 // km
- #define ATMOS_MARGIN 150 // km
- #define DEG_TO_RAD(x) ((x) * PI/180)
- #define RAD_TO_DEG(x) ((x) * 180/PI)
- #define DISTANCE(s_x, s_y, s_z, e_x, e_y, e_z) (sqrt((s_x - e_x) * (s_x - e_x)
- + (s_y - e_y) * (s_y - e_y) + (s_z - e_z) * (s_z - e_z)))
- struct coordinate {
- double r; // km
- double theta; // radians
- double phi; // radians
- // Convert to cartesian as follows:
- // x = rsin(theta)cos(phi)
- // y = rsin(theta)sin(phi)
- // z = rcos(theta)
- };
- // Library of routines involving satellite geometry
- class SatGeometry : public TclObject {
- public:
- SatGeometry() { printf("Startedn");}
- static double distance(coordinate, coordinate);
- static void spherical_to_cartesian(double, double, double,
- double &, double &, double &);
- static double propdelay(coordinate, coordinate);
- static double get_latitude(coordinate);
- static double get_longitude(coordinate);
- static double get_radius(coordinate a) { return a.r; }
- static double get_altitude(coordinate);
- static double check_elevation(coordinate, coordinate, double);
- static int are_satellites_mutually_visible(coordinate, coordinate);
- protected:
- // Define "command" appropriately if you want OTcl access to this class
- int command(/*int argc, const char*const* argv */) { return 0; }
- };
- #endif // __ns_sat_geometry_h__