[Gpredict-svn] SF.net SVN: gpredict:[166] trunk/src
Real time satellite tracking and orbit prediction
Status: Beta
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[Gpredict-svn] SF.net SVN: gpredict:[166] trunk/src
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From: <cs...@us...> - 2008-10-26 17:24:30
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Revision: 166
http://gpredict.svn.sourceforge.net/gpredict/?rev=166&view=rev
Author: csete
Date: 2008-10-26 17:24:21 +0000 (Sun, 26 Oct 2008)
Log Message:
-----------
Added files.
Added Paths:
-----------
trunk/src/sat-info.c
trunk/src/sat-info.h
Added: trunk/src/sat-info.c
===================================================================
--- trunk/src/sat-info.c (rev 0)
+++ trunk/src/sat-info.c 2008-10-26 17:24:21 UTC (rev 166)
@@ -0,0 +1,407 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/*
+ Gpredict: Real-time satellite tracking and orbit prediction program
+
+ Copyright (C) 2001-2008 Alexandru Csete, OZ9AEC.
+
+ Authors: Alexandru Csete <oz...@gm...>
+
+ Comments, questions and bugreports should be submitted via
+ http://sourceforge.net/projects/gpredict/
+ More details can be found at the project home page:
+
+ http://gpredict.oz9aec.net/
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, visit http://www.fsf.org/
+*/
+/** \brief Satellite info
+ */
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#include "sgpsdp/sgp4sdp4.h"
+#include "sat-log.h"
+#include "config-keys.h"
+#include "sat-cfg.h"
+#ifdef HAVE_CONFIG_H
+# include <build-config.h>
+#endif
+#include "orbit-tools.h"
+#include "predict-tools.h"
+#include "sat-pass-dialogs.h"
+#include "sat-info.h"
+
+
+
+
+
+
+static gchar *epoch_to_str (sat_t *sat);
+
+
+/** \brief Show satellite info in a dialog
+ * \param menuitem The menuitem from where the function is invoked.
+ * \param data Pointer to parent window or NULL.
+ *
+ * FIXME: see nice drawing at http://www.amsat.org/amsat-new/tools/keps_tutorial.php
+ *
+*/
+void
+show_sat_info (GtkWidget *menuitem, gpointer data)
+{
+ GtkWidget *dialog;
+ GtkWidget *table;
+ GtkWidget *label;
+ GtkWindow *toplevel = NULL;
+ sat_t *sat;
+ gchar *str;
+
+
+ sat = SAT(g_object_get_data (G_OBJECT (menuitem), "sat"));
+
+ if (data != NULL)
+ toplevel = GTK_WINDOW (data);
+
+ /* create table */
+ table = gtk_table_new (20, 4, FALSE);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 5);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 5);
+ gtk_container_set_border_width (GTK_CONTAINER (table), 10);
+
+ /* create table contents and add them to table */
+
+ /* satellite name */
+ label = gtk_label_new (NULL);
+ gtk_label_set_markup (GTK_LABEL (label), _("<b>Satellite name:</b>"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 0, 1);
+
+ label = gtk_label_new (NULL);
+ str = g_strdup_printf (_("<b>%s</b>"), sat->tle.sat_name);
+ gtk_label_set_markup (GTK_LABEL (label), str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 0, 1);
+ g_free (str);
+
+ /* operational status */
+ label = gtk_label_new (_("Operational Status:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 1, 2);
+
+ switch (sat->tle.status) {
+
+ case OP_STAT_OPERATIONAL:
+ label = gtk_label_new (_("Operational"));
+ break;
+
+ case OP_STAT_NONOP:
+ label = gtk_label_new (_("Non-operational"));
+ break;
+
+ case OP_STAT_PARTIAL:
+ label = gtk_label_new (_("Partially operational"));
+ break;
+
+ case OP_STAT_STDBY:
+ label = gtk_label_new (_("Backup/Standby"));
+ break;
+
+ case OP_STAT_SPARE:
+ label = gtk_label_new (_("Spare"));
+ break;
+
+ case OP_STAT_EXTENDED:
+ label = gtk_label_new (_("Extended Mission"));
+ break;
+
+ default:
+ label = gtk_label_new (_("Unknown"));
+ break;
+
+ }
+
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 1, 2);
+
+ /* Catnum */
+ label = gtk_label_new (_("Catalogue number:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 2, 3);
+
+ str = g_strdup_printf ("%d", sat->tle.catnr);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 2, 3);
+ g_free (str);
+
+ /* international designator */
+ label = gtk_label_new (_("Internation designator:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 3, 4);
+
+ label = gtk_label_new (sat->tle.idesg);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 3, 4);
+
+ /* elset number */
+ label = gtk_label_new (_("Element set number:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 4, 5);
+
+ str = g_strdup_printf ("%d", sat->tle.elset);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 4, 5);
+ g_free (str);
+
+ /* elset epoch */
+ label = gtk_label_new (_("Epoch time:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 5, 6);
+
+ str = epoch_to_str (sat);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 5, 6);
+ g_free (str);
+
+ /* Revolution Number @ Epoch */
+ label = gtk_label_new (_("Orbit number @ epoch:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 6, 7);
+
+ str = g_strdup_printf ("%d", sat->tle.revnum);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 6, 7);
+ g_free (str);
+
+ /* ephermis type left out, since it is always 0 */
+
+ /* separator */
+ gtk_table_attach_defaults (GTK_TABLE (table),
+ gtk_hseparator_new (),
+ 0, 4, 7, 8);
+
+ /* Orbit inclination */
+ label = gtk_label_new (_("Inclination:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 8, 9);
+
+ str = g_strdup_printf ("%.4f\302\260", sat->tle.xincl/de2ra);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 8, 9);
+ g_free (str);
+
+ /* RAAN */
+ label = gtk_label_new (_("RAAN:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 9, 10);
+
+ str = g_strdup_printf ("%.4f\302\260", sat->tle.xnodeo/de2ra);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 9, 10);
+ g_free (str);
+
+ /* Eccentricity */
+ label = gtk_label_new (_("Eccentricity:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 10, 11);
+
+ str = g_strdup_printf ("%.7f", sat->tle.eo);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 10, 11);
+ g_free (str);
+
+ /* Argument of perigee */
+ label = gtk_label_new (_("Arg. of perigee:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 11, 12);
+
+ str = g_strdup_printf ("%.4f\302\260", sat->tle.omegao/de2ra);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 11, 12);
+ g_free (str);
+
+ /* Mean Anomaly */
+ label = gtk_label_new (_("Mean anomaly:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 12, 13);
+
+ str = g_strdup_printf ("%.4f\302\260", sat->tle.xmo/de2ra);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 12, 13);
+ g_free (str);
+
+ /* Mean Motion */
+ label = gtk_label_new (_("Mean motion:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 13, 14);
+
+ //str = g_strdup_printf ("%.4f [rev/day]", sat->tle.xno/(xmnpda*(twopi/xmnpda/xmnpda)));
+ str = g_strdup_printf ("%.8f [rev/day]", sat->meanmo);
+ label = gtk_label_new (str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 13, 14);
+ g_free (str);
+
+ /* one half of the first time derivative of mean motion */
+ label = gtk_label_new (_("\302\275 d/dt (mean motion):"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 14, 15);
+
+ str = g_strdup_printf ("%.5e [rev/day<sup>2</sup>]",
+ sat->tle.xndt2o/(twopi/xmnpda/xmnpda));
+ label = gtk_label_new (NULL);
+ gtk_label_set_markup (GTK_LABEL (label), str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 14, 15);
+ g_free (str);
+
+ /* one sixth of the second time derivative of mean motion */
+ label = gtk_label_new (NULL);
+ gtk_label_set_markup (GTK_LABEL (label),
+ _("1/6 d<sup>2</sup>/dt<sup>2</sup> (mean motion):"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 15, 16);
+
+ str = g_strdup_printf ("%.5e [rev/day<sup>3</sup>]",
+ sat->tle.xndd6o*xmnpda/(twopi/xmnpda/xmnpda));
+ label = gtk_label_new (NULL);
+ gtk_label_set_markup (GTK_LABEL (label), str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 15, 16);
+ g_free (str);
+
+ /* B* drag term */
+ label = gtk_label_new (_("B* drag term:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 16, 17);
+
+ str = g_strdup_printf ("%.5e [R<sub>E</sub><sup>-1</sup>]", sat->tle.bstar*ae);
+ label = gtk_label_new (NULL);
+ gtk_label_set_markup (GTK_LABEL (label), str);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 16, 17);
+ g_free (str);
+
+ /* Orbit type */
+
+ /* Next Event */
+
+
+
+ gtk_widget_show_all (table);
+
+ /* create dialog window with NULL parent */
+ dialog = gtk_dialog_new_with_buttons (_("Satellite Info"),
+ toplevel,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_STOCK_OK,
+ GTK_RESPONSE_ACCEPT,
+ NULL);
+
+ /* allow interaction with other windows */
+ gtk_window_set_modal (GTK_WINDOW (dialog), FALSE);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (gtk_widget_destroy), NULL);
+ g_signal_connect (dialog, "destroy",
+ G_CALLBACK (gtk_widget_destroyed), &dialog);
+
+ gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), table);
+
+ gtk_widget_show_all (dialog);
+
+
+}
+
+
+
+/* BBBBB.BBBBBBBB] - Epoch Time -- 2-digit year, followed by 3-digit sequential
+ day of the year, followed by the time represented as the
+ fractional portion of one day, but...
+
+ we now have the converted fields, tle->epoch_year, tle->epoch_day and tle->epoch_fod
+
+*/
+static gchar *
+epoch_to_str (sat_t *sat)
+{
+ GDate *epd;
+ guint h,m,s,sec;
+ gchar *buff;
+ gchar *fmt;
+ struct tm tms;
+ time_t t;
+ guint size;
+
+ /* http://celestrak.com/columns/v04n03/#FAQ02
+ ... While talking about the epoch, this is perhaps a good place to answer
+ the other time-related questions. First, how is the epoch time format
+ interpreted? This question is best answered by using an example. An epoch
+ of 98001.00000000 corresponds to 0000 UT on 1998 January 01st in other
+ words, midnight between 1997 December 31 and 1998 January 01. An epoch of
+ 98000.00000000 would actually correspond to the beginning of 1997 December
+ 31st strange as that might seem. Note that the epoch day starts at UT
+ midnight (not noon) and that all times are measured mean solar rather than
+ sidereal time units (the answer to our third question).
+ */
+ epd = g_date_new_dmy (1, 1, sat->tle.epoch_year);
+ g_date_add_days (epd, sat->tle.epoch_day-1);
+
+ /* convert date to struct tm */
+ g_date_to_struct_tm (epd, &tms);
+
+ /* add HMS */
+ sec = (guint) floor (sat->tle.epoch_fod * 86400); /* fraction of day in seconds */
+
+ /* hour */
+ h = (guint) floor (sec / 3600);
+ tms.tm_hour = h;
+
+ /* minutes */
+ m = (guint) floor ((sec - (h*3600)) / 60);
+ tms.tm_min = m;
+
+ s = (guint) floor (sec - (h*3600) - (m*60));
+ tms.tm_sec = s;
+
+ /* get format string */
+ fmt = sat_cfg_get_str (SAT_CFG_STR_TIME_FORMAT);
+
+ /* format either local time or UTC depending on check box */
+ t = mktime (&tms);
+ buff = g_try_malloc (51);
+
+ if (sat_cfg_get_bool (SAT_CFG_BOOL_USE_LOCAL_TIME))
+ size = strftime (buff, 50, fmt, localtime (&t));
+ else
+ size = strftime (buff, 50, fmt, gmtime (&t));
+
+ if (size < 50)
+ buff[size]='\0';
+ else
+ buff[50]='\0';
+
+ g_date_free (epd);
+ g_free (fmt);
+
+ return buff;
+}
+
Added: trunk/src/sat-info.h
===================================================================
--- trunk/src/sat-info.h (rev 0)
+++ trunk/src/sat-info.h 2008-10-26 17:24:21 UTC (rev 166)
@@ -0,0 +1,38 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/*
+ Gpredict: Real-time satellite tracking and orbit prediction program
+
+ Copyright (C) 2001-2008 Alexandru Csete, OZ9AEC.
+
+ Authors: Alexandru Csete <oz...@gm...>
+
+ Comments, questions and bugreports should be submitted via
+ http://sourceforge.net/projects/gpredict/
+ More details can be found at the project home page:
+
+ http://gpredict.oz9aec.net/
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, visit http://www.fsf.org/
+*/
+#ifndef SAT_INFO_H
+#define SAT_INFO_H 1
+
+#include <gtk/gtk.h>
+#include "sgpsdp/sgp4sdp4.h"
+#include "gtk-sat-data.h"
+
+
+void show_sat_info (GtkWidget *menuitem, gpointer data);
+
+#endif
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