restart

Restart simulation from beginning

Since R2022a

collapse all in page

    Syntax

    restart(sc)

    Description

    restart(sc) resets the satellite scenario sc to the initial start time.

    example

    Examples

    collapse all

    Open Live Script

    Create a satellite scenario object and set the AutoSimulate property to false to enable manual simulation of the satellite scenario.

    sc = satelliteScenario('AutoSimulate',false);

    Add a GPS satellite constellation to the scenario.

    sat = satellite(sc,"gpsAlmanac.txt");

    Simulate the scenario using the advance function.

    while advance(sc)
end

    Obtain the satellite position histories.

    p = states(sat);

    AutoSimulate is false, so restart the scenario before adding a ground station. 

    restart(sc);

    Add a ground station to the scenario.

    gs = groundStation(sc);

    Add access analysis between each satellite and ground station.

    ac = access(sat,gs);

    Simulate the scenario and determine the access intervals.

    while advance(sc)
end
intvls1 = accessIntervals(ac)
    intvls1=35×8 table
     "PRN:1"    "Ground station 32"    1    11-Jan-2020 23:20:25    12-Jan-2020 05:15:47    2.1322e+04    NaN    NaN
     "PRN:2"    "Ground station 32"    1    12-Jan-2020 04:03:16    12-Jan-2020 07:48:06    1.3490e+04    NaN    NaN
     "PRN:3"    "Ground station 32"    1    11-Jan-2020 19:50:06    11-Jan-2020 21:38:53    6.5273e+03    NaN    NaN
     "PRN:3"    "Ground station 32"    2    12-Jan-2020 01:52:43    12-Jan-2020 06:42:49    1.7406e+04    NaN    NaN
     "PRN:4"    "Ground station 32"    1    11-Jan-2020 19:50:06    12-Jan-2020 00:11:11    1.5665e+04    NaN    NaN
     "PRN:4"    "Ground station 32"    2    12-Jan-2020 04:54:02    12-Jan-2020 07:48:06    1.0444e+04    NaN    NaN
     "PRN:5"    "Ground station 32"    1    12-Jan-2020 05:52:03    12-Jan-2020 07:48:06    6.9624e+03    NaN    NaN
     "PRN:6"    "Ground station 32"    1    12-Jan-2020 02:43:29    12-Jan-2020 07:48:06    1.8276e+04    NaN    NaN
     "PRN:7"    "Ground station 32"    1    11-Jan-2020 21:09:52    12-Jan-2020 03:27:00    2.2628e+04    NaN    NaN
     "PRN:8"    "Ground station 32"    1    11-Jan-2020 20:33:36    12-Jan-2020 03:19:45    2.4369e+04    NaN    NaN
     "PRN:9"    "Ground station 32"    1    11-Jan-2020 19:50:06    12-Jan-2020 00:47:27    1.7841e+04    NaN    NaN
     "PRN:9"    "Ground station 32"    2    12-Jan-2020 05:08:32    12-Jan-2020 07:48:06    9.5733e+03    NaN    NaN
    "PRN:10"    "Ground station 32"    1    12-Jan-2020 00:32:56    12-Jan-2020 01:59:58    5.2218e+03    NaN    NaN
    "PRN:11"    "Ground station 32"    1    11-Jan-2020 22:15:09    12-Jan-2020 04:39:32    2.3063e+04    NaN    NaN
      ⋮

    Visualize the simulation results.

    v = satelliteScenarioViewer(sc,'ShowDetails',false);
play(sc);

    Verify that the access intervals are the same when you set the AutoSimulate property to true.

    sc.AutoSimulate = true;
intvls2 = accessIntervals(ac)
    intvls2=35×8 table
     "PRN:1"    "Ground station 32"    1    11-Jan-2020 23:20:25    12-Jan-2020 05:15:47    2.1322e+04    NaN    NaN
     "PRN:2"    "Ground station 32"    1    12-Jan-2020 04:03:16    12-Jan-2020 07:48:06    1.3490e+04    NaN    NaN
     "PRN:3"    "Ground station 32"    1    11-Jan-2020 19:50:06    11-Jan-2020 21:38:53    6.5273e+03    NaN    NaN
     "PRN:3"    "Ground station 32"    2    12-Jan-2020 01:52:43    12-Jan-2020 06:42:49    1.7406e+04    NaN    NaN
     "PRN:4"    "Ground station 32"    1    11-Jan-2020 19:50:06    12-Jan-2020 00:11:11    1.5665e+04    NaN    NaN
     "PRN:4"    "Ground station 32"    2    12-Jan-2020 04:54:02    12-Jan-2020 07:48:06    1.0444e+04    NaN    NaN
     "PRN:5"    "Ground station 32"    1    12-Jan-2020 05:52:03    12-Jan-2020 07:48:06    6.9624e+03    NaN    NaN
     "PRN:6"    "Ground station 32"    1    12-Jan-2020 02:43:29    12-Jan-2020 07:48:06    1.8276e+04    NaN    NaN
     "PRN:7"    "Ground station 32"    1    11-Jan-2020 21:09:52    12-Jan-2020 03:27:00    2.2628e+04    NaN    NaN
     "PRN:8"    "Ground station 32"    1    11-Jan-2020 20:33:36    12-Jan-2020 03:19:45    2.4369e+04    NaN    NaN
     "PRN:9"    "Ground station 32"    1    11-Jan-2020 19:50:06    12-Jan-2020 00:47:27    1.7841e+04    NaN    NaN
     "PRN:9"    "Ground station 32"    2    12-Jan-2020 05:08:32    12-Jan-2020 07:48:06    9.5733e+03    NaN    NaN
    "PRN:10"    "Ground station 32"    1    12-Jan-2020 00:32:56    12-Jan-2020 01:59:58    5.2218e+03    NaN    NaN
    "PRN:11"    "Ground station 32"    1    11-Jan-2020 22:15:09    12-Jan-2020 04:39:32    2.3063e+04    NaN    NaN
      ⋮

    Visualize the scenario.

    play(sc);

    Input Arguments

    collapse all

    Satellite scenario, specified as a satelliteScenario object. The argument applies only if the AutoSimulate property of the sc object is false.

    The timeline and playback widgets on the open satellite scenario viewers that were previously made available after calling the play function become unavailable for interaction.

    Version History

    Introduced in R2022a

    See Also

    Objects

    Functions