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why facecolor 'Flat' in bar and area is different and how to make them the same

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Chaoyang Jiang
Chaoyang Jiang 2018-6-18
评论： Walter Roberson 2018-6-18
I am using area and bar to plot a figure. I have used the color 'Flat' both for the two. However, the two legend colors are not the same. I am so confused why 'Flat' can generate two different color system. And how to make the 'Flat' in 'bar' operation the same to the one in 'area'?
figure;
area([1:12;2:13],'FaceColor','flat')
figure;
hBar=bar([1:12;2:13],subcap,0.5,'stacked','FaceColor','flat');

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回答（1 个）

Walter Roberson
Walter Roberson 2018-6-18
编辑：Walter Roberson 2018-6-18
When you do not pass CData information to bar(), then it fills in the colors using the axes ColorOrder property.
area() on the other hand by default is affected by the current colormap.
  2 个评论
Chaoyang Jiang
Chaoyang Jiang 2018-6-18
Thank you for your answer. Then may I know how to get the rgb of flat color, so that I can manually change the color in bar through CData?
Walter Roberson
Walter Roberson 2018-6-18
'flat' does not define a color itself: it defines how colors are to be interpolated between the different vertices.
I need to do more research to figure out what values are used to determine the color.

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