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Structure mesh: plot different regions with different colors

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Hi all,
I have a 2D mesh with different regions, like this:
I generated a mesh for this beam
Is there a way to highlight the 2 circles with different colors?
Many thanks!
  2 Commenti
KSSV
KSSV il 27 Set 2017
Yes..it can be....how you have data? Attach the data here.
Xiaohan Du
Xiaohan Du il 28 Set 2017
Please see the .mat file for data. data.node is the nodal info, data.elem is connectivity, data.region1 is the coordinates for the left circular region, data.region2 is the coordinates for the right circular region. I'd like to use different color to denote these regions. Thank you!

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KSSV
KSSV il 28 Set 2017
load data.mat ;
tri = data.elem ;
coor = data.node ;
x = coor(:,1) ; y = coor(:,2) ; z = coor(:,3) ;
patch('faces',tri(:,2:4),'vertices',coor , ...
'facevertexcdata' , z, ...
'facecolor','interp', ...
'edgecolor','none') ;
hold on
c1 = data.region1 ;
c2 = data.region2 ;
patch(c1(:,1),c1(:,2),c1(:,3),'r')
patch(c2(:,1),c2(:,2),c2(:,3),'b')
  6 Commenti
KSSV
KSSV il 28 Set 2017
Modificato: KSSV il 28 Set 2017
tri = data.elem ;
coor = data.node ;
x = coor(:,1) ; y = coor(:,2) ; z = coor(:,3) ;
trisurf(tri(:,2:4),coor(:,2),coor(:,3),coor(:,3))
view(2) ;
c1 = data.region1 ;
c2 = data.region2 ;
ylim([-20 40])
patch(c1(:,2),c1(:,3),c1(:,3),'r')
patch(c2(:,2),c2(:,3),c2(:,3),'b')
It can be fine tuned to get all elements of circles and plot them in our own color....
Xiaohan Du
Xiaohan Du il 28 Set 2017
This is much better, thanks a lot for your help!

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