/usr/share/doc/libxdmf-dev/examples/Python/WriteXdmf1.py is in libxdmf-dev 3.0+git20160803-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | #!/usr/bin/env python
from __future__ import print_function
from Xdmf import *
# Example of How to Generate Xdmf
# allowing the Library to write the
# Heavy Data
d = XdmfDOM()
root = XdmfRoot()
root.SetDOM(d)
root.SetVersion(2.2) # Change the Version number because we can
root.Build()
# Information
i = XdmfInformation() # Arbitrary Name=Value Facility
i.SetName("SampleLocation")
i.SetValue("4")
root.Insert(i) # XML DOM is used as the keeper of the structure
# Insert() creates an XML node and inserts it under
# the parent
# Domain
dm = XdmfDomain()
root.Insert(dm)
# Grid
g = XdmfGrid()
g.SetName("Structured Grid")
# Topology
t = g.GetTopology()
t.SetTopologyType(XDMF_3DCORECTMESH)
t.GetShapeDesc().SetShapeFromString('10 20 30')
# Geometry
geo = g.GetGeometry()
geo.SetGeometryType(XDMF_GEOMETRY_ORIGIN_DXDYDZ)
geo.SetOrigin(1, 2, 3)
geo.SetDxDyDz(0.1, 0.2, 0.3)
dm.Insert(g)
# Attribute
attr = XdmfAttribute()
attr.SetName("Pressure")
attr.SetAttributeCenter(XDMF_ATTRIBUTE_CENTER_NODE);
attr.SetAttributeType(XDMF_ATTRIBUTE_TYPE_SCALAR);
p = attr.GetValues()
p.SetShapeFromString("10 20 30")
p.Generate(0.0, 1.0, 0, p.GetNumberOfElements() - 1)
g.Insert(attr)
# Update XML and Write Values to DataItems
root.Build() # DataItems > 100 values are heavy
print (d.Serialize()) # prints to stdout
d.Write('SMesh.xmf') # write to file
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