How to superpose several pcolor plots on same image
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Max Jaquenoud
am 5 Dez. 2018
Bearbeitet: jonas
am 5 Dez. 2018
Hi, I'm trying to superpose several pcolor plots but cannot find the right way. Hold on doesn't seem to work.
Also I would like each pcolor plot to have only one colour for all points instead of using a colormap, is that possible?
Thanks for your help !
Max
3 Kommentare
jonas
am 5 Dez. 2018
Bearbeitet: jonas
am 5 Dez. 2018
You're still not helpful. The following creates two pcolor plots on the same axes:
pcolor(peaks)
hold on
pcolor(peaks(10))
So what did you do to cause matlab to open a new figure? Some code would be quite useful... also, what do you mean by a single color per plot? I will not ask why you'd want to do such a thing, but you can just set the z-data to a uniform value and apply any colormap.
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Image Analyst
am 5 Dez. 2018
Maybe you're having a problem because pcolor doesn't have the same number of "pixels" as what you passed in. See this code:
pcolor(rand(3,5)); % Show 3 by 5 grid of pixels - NOT!
![0000 Screenshot.png](https://www.mathworks.com/matlabcentral/answers/uploaded_files/198321/0000%20Screenshot.png)
Try these links to see how to overlay an image on another image.
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