Problem with plot graphics when using MarkerFaceColor in Windows 10

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Matt086
Matt086 2022-7-14
评论： dpb 2022-7-17
Ran in:
Hi everyone,
I recently started to experience an issue when plotting data using scripts that previously worked well. I believe it might have someting to do with my windows graphics setting rather than Matlab itself but I couldn't find any solution so far. Below I have plotted a generic graph to better explain it. When using 'MarkerFaceColor', instead of having the usual Markers filled by the selected colour they appear irregular and noisy. This problem only shows up when using circles as Markers but not with other symbols and it seems to be independent from the size of the objects, the gca background colour, or the selected MarkerFaceColor.
Below the code that I have use to generate the attached plot.
clearvars; close all; clc;
h=plot([1 2 3],[ 4 2 7],'ko','MarkerSize',12,'MarkerFaceColor','r');
xlim([0 4]); ylim([1 8])
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dpb
dpb 2022-7-17
Try updating your graphics drivers, then...see which chipset your machine is using.

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回答（1 个）

Rishita
Rishita 2022-7-15
h = plot(x, y, 'o'); set(h, {'MarkerFaceColor'}, get(h,'Color'));
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dpb
dpb 2022-7-15
>> x=1:4;y=rand(size(x));
>> h = plot(x, y, 'o'); set(h, {'MarkerFaceColor'}, get(h,'Color'));
Error using matlab.graphics.chart.primitive.Line/set
Invalid parameter/value pair arguments.
>>
???
What was the point of this code snippet towards the OP Q?, @Rishita?
Matt086
Matt086 2022-7-16
Ran in:
Not sure what you mean with this code, but in the case you were wondering what is the standard 'facecolor' for my markers, that is set to 'none'. If I plot without selecting any colours, I get a normal plot (see example below). This will give me a nice plot with normal (and empty) circles.
However, if later I add something like:
set(h,'markerfacecolor','r');
Then, I'll get the same graph above with weird looking markers, as shown in the original question.
clearvars; close all; clc;
h=plot([1 2 3],[ 4 2 7],'o','MarkerSize',20); xlim([0 4]); ylim([1 8]);
disp(get(h,'markerfacecolor'))
none

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