Editing a Colormap in MATLAB
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Hello guys,
I have seen video about edit a colormap https://www.mathworks.com/videos/interactively-editing-a-colormap-in-matlab-97147.html , but i don't know, how to save the setting after I edit values. Specific example ... I edit map on the top with the cursor of mouse (move positive and negative values to the center - zero). How can I get this setting always?
![askcolormap.PNG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/214896/askcolormap.png)
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Cris LaPierre
2019년 4월 20일
My suggestion would be to create an image, set it as you want, save the colormap and color axis limits to a mat file.
cmap = colormap(gca);
cl = caxis;
save cmap.mat cmap cl
Then, when you want to use the same colormap, load the mat file, and set the colormap and color axis limits to the values loaded in the mat file.
load cmap
contourf(X,Y,z)
colormap(cmap);
colorbar
caxis(cl);
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Supriya Gain
2022년 4월 13일
For me it didn't work. I'm not able to save the .mat file. It showing some error like,"unable to write the file cmap.mat: permission denied"
Cris LaPierre
2022년 4월 14일
You appear to be trying to save the file to a location you do not have write permission. Try changing your current folder location.
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