3D Drawing Presentation Issue

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peter huang
peter huang 2023-12-1
评论： peter huang 2023-12-8
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.
  2 个评论
Dyuman Joshi
Dyuman Joshi 2023-12-1
Ran in:
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

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