-

playground/meshConvert.py

@@ -0,0 +1,33 @@
+from netgen.meshing import Mesh as netgenMesh
+from meshio import Mesh as meshioMesh
+
+meshfile = "mesh.mesh"
+
+mesh = netgenMesh()
+mesh.Load(meshfile)
+
+topology3d = {
+    4: "tetra"
+}
+
+pointsNew = []
+cellsNew = {}
+
+for point in mesh.Points():
+    pointsNew.append(list(point.p))
+
+for cell in mesh.Elements3D():
+    cellTopo = topology3d[len(cell.points)]
+    cellNew = []
+
+    for pointId in cell.points:
+        cellNew.append(pointId.nr)
+
+    if cellsNew.get(cellTopo):
+        cellsNew[cellTopo].append(cellNew)
+
+    else:
+        cellsNew[cellTopo] = [ cellNew ]    
+
+cellsMeshio = [ cell for cell in cellsNew.items() ]
+meshNew = meshioMesh(pointsNew, cellsMeshio)