How do I use SatelliteScenario Groundstation objects inside of a Parallel Computing Toolbox parfor loop
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William Hunter
am 14 Okt. 2021
Kommentiert: KRALFALLAH Mansour
am 24 Apr. 2022
I would like to compute access for a groundstation with multiple constellations using the Parallel Computing Toolbox. However, this simple example is not working. What am I doing wrong?
parfor idx = 1:2
startTime = datetime("today");
stopTime = startTime + days(1);
sampleTime = 60;
aScenario = satelliteScenario(startTime, stopTime, sampleTime);
aGroundstation = aScenario.groundStation(0, 0);
end
Here's the error I am getting:
>> SimpleTest
Error using matlabshared.satellitescenario.GroundStation
Invalid default value for property 'ColorConverter' in class 'matlabshared.satellitescenario.ScenarioGraphic':
Error defining property 'ConvertedColor' of class 'matlabshared.satellitescenario.internal.ColorConverter'. Class named
'matlab.graphics.datatype.RGBColor' is undefined or does not support property validation.
Error in satelliteScenario/groundStation
Error in SimpleTest (line 1)
parfor idx = 1:2
Thank you!
1 Kommentar
KRALFALLAH Mansour
am 24 Apr. 2022
Hello everyone,
I use Matlab 2020a, pls could you tell me in which version can I find the aerospace blocksets toolbox which countains the Spacecraft and orbit propagator blocksets.
Thank you in advance.
Akzeptierte Antwort
Edric Ellis
am 15 Okt. 2021
Thanks for reporting this problem. You can work around this for now like so:
fetchOutputs(parfevalOnAll(@() delete(figure), 0));
3 Kommentare
Edric Ellis
am 15 Okt. 2021
Just run that line after you open your pool, and before you run the parfor loop, like this:
% Explicitly create the parallel pool, if necessary
if isempty(gcp('nocreate'))
parpool();
% Work around problems by creating and immediately deleting a figure
fetchOutputs(parfevalOnAll(@() delete(figure), 0));
end
% Run stuff in parfor
parfor idx = 1:2
startTime = datetime("today");
stopTime = startTime + days(1);
sampleTime = 60;
aScenario = satelliteScenario(startTime, stopTime, sampleTime);
aGroundstation = aScenario.groundStation(0, 0);
end
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