How to create a contour plot from 2D picture

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agung pratama
agung pratama 2020-7-20
评论： KSSV 2020-7-21
Hello guys, can anyone help me to create a contour from a 2D image, the contour I mean it's like this. Thanks.
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agung pratama
agung pratama 2020-7-21
It's not about the colour, but if i have an image and i want to create a contour plot from that image what can i do?
KSSV
KSSV 2020-7-21
If you have image as attached in the left, you can use patch, fill which fills the specififed color. If the image is different one, read about imcontour.

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