change background color in parallelplot

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pawell t
pawell t 2023-4-13
评论： Adam Danz 2025-7-11
Hi. currently using paralleplot. matlab R2022b.
Didn't find a way to make background color black. By default it's white and not very suitable in my case (lots of lines, so i use line trasperancy). Any suggestions?
thanks
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Adam Danz
Adam Danz 2025-7-11
Ran in:
Setting the background color to black sounds like a custom dark theme is being applied. Starting in R2025a you could set the theme to dark.
tsunamis = readtable('tsunamis.xlsx');
figure('Units','normalized','Position',[0.3 0.3 0.45 0.4])
coordvars = {'Year','Validity','Cause','Country'};
p = parallelplot(tsunamis,'CoordinateVariables',coordvars,'GroupVariable','Validity');
theme dark

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Luca Ferro
Luca Ferro 2023-4-13
I don't think it is possible. I tried to look into all the properties of a parallelplot figure (and more in general of a plot figure) using the commands:
%use only after plotting
inspect(gca) %for axis proeperties
inspect(gcf) %for figure properties
but coulnd't find any that changes the plot area background.
Closest i got was to change the figure background with
set(gcf, 'color', [1 1 0]) %yellow
but the plotting area is still white.
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Luca Ferro
Luca Ferro 2023-4-17
编辑：Luca Ferro 2023-4-17
it should be better to post them as separate questions so that you can then accept the answers and also they would show in the questions archive.
Anyways:
Check this for the size: TickSize
For the labels there is this function: xticklabels() and of course yticklabels()
For coloring axes:
set(gca,'XColor','g','YColor','g'); %g is for green

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