3D Drawing Presentation Issue

Hello MATLAB users,

I hope this message finds you well. Currently, I am encountering an issue with the 3D visualization of my data. I am using ParaView to export the results of my Computational Fluid Dynamics (CFD) simulations into a CSV file. In this file, the X and Y values correspond to the positions of the water tank, and the elevation corresponds to the water level at the coordinates of X and Y.

Despite my attempts to use MATLAB's plot3 for drawing, I find the results unsatisfactory. I aspire to achieve a visualization similar to the one in the attached image in my article, labeled "pcolor_ex," which I believe can be accomplished using the PCOLOR function. How can I implement this?

I have attached my MATLAB file and CSV for your reference.

Thank you in advance for your assistance.

[Dyuman Joshi]

From the given data, this is the output obtained -

names = unzip('space.zip')

names = 1×3 cell array
    {'space/'}    {'space/eta_010.csv'}    {'space/plot_space.m'}

t = readtable('space/eta_010.csv')

t = 740644×3 table
       X            Y         elevation
    ________    __________    _________

           0             0     0.49923 
           0    0.00076828     0.49923 
    0.039236             0         0.5 
           0          0.05     0.49923 
    0.039234          0.05         0.5 
    0.039236      0.010764         0.5 
           0    0.00076828     0.49923 
           0          0.05     0.49923 
    0.039236             0         0.5 
    0.039236      0.010764         0.5 
    0.039236             0         0.5 
    0.039236      0.010764         0.5 
        0.05             0     0.50021 
    0.039234          0.05         0.5 
    0.039236      0.010764         0.5 
        0.05      0.049789     0.50021 

%Range of values in elevation
[a,b] = bounds(t.elevation)

a = 0.4738

b = 0.5282

imagesc(t.X, t.Y, t.elevation)
ax=gca;
ax.YDir = 'normal';
colorbar

[peter huang]

Thank you so much!