How to make the pressure contours colorbar concentration the same for all values

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Seelan Kumar
Seelan Kumar 2022-6-3
回答： Seelan Kumar 2022-6-3
How to make the Cp reference colour the same for this coding with different Cp values? Because when I run this coding for the other half of the tail, the Cp colour at 0.008 is in orange colour. How to make the Cp contour constant?
% Make x-y mesh grid
x = [-4.2195;
-5.7195;
-7.2195;
-8.7195;
-2.7195;
-4.2195;
-5.7195;
-7.2195;
-8.7195;
-1.2195;
-2.7195;
-4.2195;
-5.7195;
-7.2195;
-8.7195];
y = [6.3;
6.3;
6.3;
6.3;
4;
4;
4;
4;
4;
1.7;
1.7;
1.7;
1.7;
1.7;
1.7];
pressure = [0.007422;
0.005551;
0.003788;
0.003951;
0.008568;
0.004381;
0.003754;
0.003587;
0.003588;
0.006594;
0.003985;
0.003538;
0.00387;
0.003596;
0.003762];
[xq,yq] = meshgrid(...
linspace(min(x),max(x),170),...
linspace(min(y),max(y),170));
% Interpolate using "griddata" function
pq = griddata(x,y,pressure,xq,yq,'cubic');
% Visualize the result
figure
%surfc(xq,yq,pq)
surfc(xq,yq,pq, 'EdgeColor','none ')
xlabel('x','FontSize',16)
ylabel('y','FontSize',16)
c = colorbar;
c.Label.String = 'Cp';
c.Label.FontSize = 16;
c.Limits = [0 0.012]

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采纳的回答

Walter Roberson
Walter Roberson 2022-6-3
use caxis() to set the color settings to absolute values.

更多回答（2 个）

Seelan Kumar
Seelan Kumar 2022-6-3
This is the other half. But the colour shade at the Cp colorbar changes. So, I couldnt compare the pressure distribution.
Seelan Kumar
Seelan Kumar 2022-6-3
Thank you so much.

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