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Mesh with SW-NE diagonals

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2 years 2 months ago #4198 by shasha
Mesh with SW-NE diagonals was created by shasha
 Hi，everyone！ I want to generate  a mesh with  SW-NE diagonals（below a code for mesh with WN-ES diagonals).
###############################from ngsolve import *
import ngsolve.meshes as ngm
import netgen.geom2d as geom2d
from netgen.geom2d import SplineGeometry


i = 2
mapping = lambda x,y : (x,y)
mesh = ngm.MakeStructured2DMesh(quads=False, nx = 2**i ,ny = 2**i, mapping=mapping)
Draw(mesh)

Best
Shasha Wang

    
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2 years 2 months ago - 2 years 2 months ago #4200 by hvwahl
Replied by hvwahl on topic Mesh with SW-NE diagonals
Hi Shasha,

you can use the flip_triangles keyword argument for this, i.e, mesh = ngm.MakeStructured2DMesh(quads=False, nx = 2**i ,ny = 2**i, flip_triangles=True).

Best wishes,
Henry
Last edit: 2 years 2 months ago by hvwahl.
The following user(s) said Thank You: shasha
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