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How do I use SatelliteScenario Groundstation objects inside of a Parallel Computing Toolbox parfor loop

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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 Comment
KRALFALLAH Mansour
KRALFALLAH Mansour on 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.

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Accepted Answer

Edric Ellis
Edric Ellis on 15 Oct 2021
Thanks for reporting this problem. You can work around this for now like so:
fetchOutputs(parfevalOnAll(@() delete(figure), 0));
  3 Comments
Edric Ellis
Edric Ellis on 15 Oct 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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