colormap doesn't work with bar plots in 2019a

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Clay Fulcher
Clay Fulcher 2020년 3월 27일
댓글: KV 2024년 2월 9일
I have been changing the colormap in bar charts for decades. It doesn't seem to work now with bar charts in 2019a.
Previously all I had to do to change the colormap in an existing bar chart to copper: colormap copper
Now it does nothing.

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Cris LaPierre
Cris LaPierre 2020년 3월 27일
Not sure if it's changed, but here's an example borrowed from the doc on bar.
y = [1 3 5; 3 2 7; 3 4 2];
b = bar(y,'FaceColor',"flat");
for k = 1:size(y,2)
b(k).CData = k;
end
If I want to use a different colormap, I could do this.
colormap copper
y = [1 3 5; 3 2 7; 3 4 2];
b = bar(y,'FaceColor',"flat");
for k = 1:size(y,2)
b(k).CData = k;
end
  댓글 수: 2
Clay Fulcher
Clay Fulcher 2020년 3월 27일
Thanks Cris. That works and I'm back running again. It's now a much more complicated way to change the colormap in a bar plot. In the past, we didn't have to go back and change the CData for each bar. Kind of frustrating since previous scripts plotting with bar and colormap no longer work. Thanks again.
KV
KV 2024년 2월 9일
I discovered this issue too today, working through some legacy code! This solution breaks a lot of older code that was used to produce plots.
Kind of silly and quite a pity now that it'll take a for loop with each bar command to change facecolors....

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