Thread: [Gpredict-svn] SF.net SVN: gpredict:[795] trunk (Page 4)

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Revision: 795
          http://gpredict.svn.sourceforge.net/gpredict/?rev=795&view=rev
Author:   aa1vs
Date:     2011-03-26 17:38:17 +0000 (Sat, 26 Mar 2011)

Log Message:
-----------
Change get current pass to log error if non-current pass returned.

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/src/predict-tools.c

Modified: trunk/ChangeLog
===================================================================

--- trunk/ChangeLog	2011-03-26 17:13:33 UTC (rev 794)
+++ trunk/ChangeLog	2011-03-26 17:38:17 UTC (rev 795)
@@ -1,3 +1,8 @@
+2011-03-26 Charles Suprin <hamaa1vs at gmail.com>
+
+    * src/predict-tools.c
+    Change get_current_pass to log error if returned pass is not current.
+
 2011-03-25 Charles Suprin <hamaa1vs at gmail.com>
 
     * AUTHORS

Modified: trunk/src/predict-tools.c
===================================================================
--- trunk/src/predict-tools.c	2011-03-26 17:13:33 UTC (rev 794)
+++ trunk/src/predict-tools.c	2011-03-26 17:38:17 UTC (rev 795)
@@ -913,9 +913,11 @@
 pass_t *
 get_current_pass (sat_t *sat_in, qth_t *qth, gdouble start)
 {
-    gdouble t;
+    gdouble t,t0;
+    gdouble el0;
     sat_t  *sat,sat_working;
-    
+    pass_t *pass;
+
     /*copy sat_in to a working structure*/
     sat = memcpy(&sat_working,sat_in,sizeof(sat_t));
 
@@ -925,6 +927,10 @@
         t = get_current_daynum ();
     predict_calc (sat, qth, t);     
 
+    /*save initial conditions for later comparison*/
+    t0 = t;
+    el0 = sat->el;
+
      /* check whether satellite has aos */
     if (!has_aos (sat, qth)) {
           
@@ -933,10 +939,26 @@
     }
 
     /* find a time before AOS */
-    while (sat->el > -2.0) {
+    while (sat->el > 0.0) {
         predict_calc (sat, qth, t);
         t -= 0.007; // +10 min
     }
 
-    return get_pass_no_min_el (sat, qth, t, 0.0);
+    pass = get_pass_no_min_el (sat, qth, t, 0.0);
+    if (el0 > 0.0) {
+        /* this function is only specified if the elevation 
+           is greater than zero at the time it is called*/
+        if (pass){          
+            if (pass->aos > t0)
+                sat_log_log (SAT_LOG_LEVEL_ERROR,
+                             _("%s: Returning a pass for %s that starts after the seeded time."),
+                             __FUNCTION__,sat->nickname);
+
+            if (pass->los < t0)
+                sat_log_log (SAT_LOG_LEVEL_ERROR,
+                             _("%s: Returning a pass for %s that ends before the seeded time."),
+                             __FUNCTION__,sat->nickname);
+        }
+    }
+    return pass;
 }


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Thread: [Gpredict-svn] SF.net SVN: gpredict:[795] trunk (Page 4)

Real time satellite tracking and orbit prediction

gpredict-svn