Three dimensional plot using 4 variables

2017 12 22
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更新时间：2017 12 26
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I have 4 variables Latitude,longitude,depth of maximum salinity and maximum salinity, I would like to create a 3D plot with these variables for a single month. These variables are located in netcdf file and I have extracted them using the netcdf package, I have tried the surface plots but it did not gain any output. The data is in 3Dimension from which I have converted into 2 Dimension by collecting data of the same month.

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ANKUR KUMAR
ANKUR KUMAR 2017-12-22
Do you want 3D plot or contour plot?
MIDHILA VARNA
MIDHILA VARNA 2017-12-23
I need a contour plot of the variation of maximum salinity with the other 3 variables

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ANKUR KUMAR
ANKUR KUMAR 2017-12-25

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For the contour plot, you can use
contour(lon,lat,salinity')
If you want the filled contour plot, then you can use
contourf(lon,lat,salinity')
If you want labels on the contour plot, then you can use clabel
Visit: https://in.mathworks.com/help/matlab/ref/contourf.html
https://in.mathworks.com/help/matlab/ref/clabel.html

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MIDHILA VARNA
MIDHILA VARNA 2017-12-26
The plot which you specified would give the variation of maximum salinity with longitude and latitude only , I would like to show the variation of salinity with depth,latitude,longitude(3 variables), would contour3 solve this problem?
ANKUR KUMAR
ANKUR KUMAR 2017-12-26
编辑：ANKUR KUMAR 2017-12-26
You can use surf
surf(X,Y,Z,'FaceAlpha',0.5,'EdgeColor','none';)
X and Y should be the meshgrid of latitude and longitude
And in the same fashion, you can write contour3, but you will not get filled colors in contour3 (I think).

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