Save listener Callback in eps format or any high resolution format
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Reinforcement Learning
il 28 Mar 2021
Modificato: Reinforcement Learning
il 1 Apr 2021
Hello,
for the Cart-Pole example and Training result (Episode Reward Chart) in RL Toolbox I am getting a static figure, that I can't save in anyway other than with the snipping tool which ruins the quality. I also tried to use the saveas command like here, but the eps or png file is coming empty and a figure 2 is opening.
Any help is much appreciated!
6 Commenti
Rik
il 29 Mar 2021
You might need to use some tricks to get to the figure handle. The example below shows how you could try. I don't have the required toolboxes, so it is hard for me to experiment.
env = rlPredefinedEnv("CartPole-Discrete");
x=plot(env);
fig = getHiddenProp(x,'Figure');
saveas(fig, 'png_saved','png')
%confirm saving worked:
I=imread('png_saved.png');
figure,imshow(I)
function varargout=getHiddenProp(obj,PropType)
% Retrieve a hidden property from an object
% Use with care, this maight break for any release.
% If there are multiple objects, the first will be selected.
% If there are multiple matches, they will be returned in multiple outputs.
w=warning('off','all');
x=struct(obj);
warning(w);
if numel(x)>1,x=x(1);end
if numel(x)<1,varargout={};return,end
fn=fieldnames(x);
y=cellfun(@(elem) ...
ismember(cellstr(PropType),...
regexprep(class(x.(elem)),'.*\.','')... strip matlab.graphics.axis.Axes to Axes etc
),fn);
varargout=fn(y);
for n=1:numel(varargout)
varargout{n}=x.(varargout{n});
end
end
Risposta accettata
Emmanouil Tzorakoleftherakis
il 29 Mar 2021
Hello,
If you are using R2020b, you can use
help rlPlotTrainingResults
to recreate the Episode manager plot and save it as you need.
Hope that helps
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