How can I fill everything below the white thing line in this image?

Question

Love Matlab 2020-6-17

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/550122-how-can-i-fill-everything-below-the-white-thing-line-in-this-image

评论： Image Analyst 2020-6-18

采纳的回答： Matt J

In the image I have attached, how can I fill the entire area below the thin white line plotted? Thank you!

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Answer 1

Matt J 2020-6-17

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https://ww2.mathworks.cn/matlabcentral/answers/550122-how-can-i-fill-everything-below-the-white-thing-line-in-this-image#answer_452754

By adapting the following smaller example,

A =
   0     0     0     0     0     0     0
   1     0     0     0     0     0     0
   0     1     0     0     0     0     0
   0     0     1     0     0     0     0
   0     0     0     1     0     0     0
   0     0     0     0     1     1     1
   0     0     0     0     0     0     0
   0     0     0     0     0     0     0
>> B=cummax(A,1)
B =
   0     0     0     0     0     0     0
   1     0     0     0     0     0     0
   1     1     0     0     0     0     0
   1     1     1     0     0     0     0
   1     1     1     1     0     0     0
   1     1     1     1     1     1     1
   1     1     1     1     1     1     1
   1     1     1     1     1     1     1