proper understanding of a rectiliniearGrid
This commit is contained in:
Philip Eisenlohr
parent
4426172c14
commit
38ac791b58
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@ -83,20 +83,14 @@ class VTK:
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@staticmethod
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def from_rectilinear_grid(grid: np.ndarray,
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size: FloatSequence,
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origin: FloatSequence = np.zeros(3)) -> 'VTK':
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def from_rectilinear_grid(grid: FloatSequence) -> 'VTK':
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"""
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Create VTK of type vtk.vtkRectilinearGrid.
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Parameters
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----------
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grid : iterable of int, len (3)
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Number of cells along each dimension.
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size : iterable of float, len (3)
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Physical length along each dimension.
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origin : iterable of float, len (3), optional
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Coordinates of grid origin.
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grid : iterables of floats, len (3)
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Grid coordinates along x, y, and z directions.
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Returns
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-------
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@ -106,8 +100,8 @@ class VTK:
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"""
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warnings.warn('Support for vtr files will be removed in DAMASK 3.1.0', DeprecationWarning,2)
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vtk_data = vtk.vtkRectilinearGrid()
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vtk_data.SetDimensions(*(np.array(grid)+1))
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coord = [np_to_vtk(np.linspace(origin[i],origin[i]+size[i],grid[i]+1),deep=True) for i in [0,1,2]]
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vtk_data.SetDimensions(*map(len,grid))
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coord = [np_to_vtk(np.array(grid[i]),deep=True) for i in [0,1,2]]
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[coord[i].SetName(n) for i,n in enumerate(['x','y','z'])]
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vtk_data.SetXCoordinates(coord[0])
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vtk_data.SetYCoordinates(coord[1])
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@ -1,42 +1,42 @@
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<?xml version="1.0"?>
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<VTKFile type="RectilinearGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32" compressor="vtkZLibDataCompressor">
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<RectilinearGrid WholeExtent="0 5 0 6 0 7">
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<Piece Extent="0 5 0 6 0 7">
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<RectilinearGrid WholeExtent="0 3 0 4 0 5">
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<Piece Extent="0 3 0 4 0 5">
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<PointData>
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<DataArray type="Float32" Name="node" NumberOfComponents="3" format="binary" RangeMin="0" RangeMax="1.268857765318962">
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AQAAAACAAADADwAAFQMAAA==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<DataArray type="Float32" Name="node" NumberOfComponents="3" format="binary" RangeMin="0" RangeMax="31.016124838541646">
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AQAAAACAAACgBQAA+QAAAA==eF5tkoENwjAMBDsCG/XZzON1LJSIf58Dlaoc4mr7k1wXn7rBan69hxZvrWE1L/9fre2b1bx9te9+yw+rea2cqeAX/IJf8OMyh5rZn+541ey8514MT83Oe+7XqKVm5019+AW/4Bd8zhRWM/d4r0c+zs65zrMcLt7k/frMz//Myev68At+wS/46cH9RW/eo13/OMNzPp7D9gVf8DVnZ5+fs4TLd9eHH1az89r3N+N+aNYy75X3hnvKfjd8wTdrzmRej+cbd1FzbnPmRc/Uh2/283z9sJqd93H9u/2wmp03vuALvuCr/fXbfljNzpv68MNqdt7n/QEgMrwB
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<InformationKey name="L2_NORM_RANGE" location="vtkDataArray" length="2">
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<Value index="0">
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0
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</Value>
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<Value index="1">
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1.2688577653
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31.016124839
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</Value>
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</InformationKey>
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</DataArray>
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</PointData>
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<CellData>
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<DataArray type="Float32" Name="cell" NumberOfComponents="3" format="binary" RangeMin="0.10871961651677305" RangeMax="1.1607924233069467">
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AQAAAACAAADYCQAA8QEAAA==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<DataArray type="Float32" Name="cell" NumberOfComponents="3" format="binary" RangeMin="0" RangeMax="18.788294228055936">
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AQAAAACAAADQAgAAigAAAA==eF5tkQEOgDAIA32CP7L+bE83oMBVJVnWhGMt2bax1gEta3Uv7tb6n0mmtPyt/RymtUZXmQ/fe+Wwo/981pPnDt9iWmt0FWe403tn89NozlkfJyp9hTxCnodpjjtgPsr2Ob7vJiMw8OB/xF1Ma42uWsizkGchTzGtNToZgREYDZP+yFPMrS+Grlfp
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<InformationKey name="L2_NORM_RANGE" location="vtkDataArray" length="2">
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<Value index="0">
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0.10871961652
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0
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</Value>
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<Value index="1">
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1.1607924233
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18.788294228
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</Value>
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</InformationKey>
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</DataArray>
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</CellData>
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<Coordinates>
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<DataArray type="Float64" Name="x" format="binary" RangeMin="0" RangeMax="0.6">
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AQAAAACAAAAwAAAAJwAAAA==eF5jYICAHXKtrwN37LOH0Ofsua4vLrDlug7l37M3BoPH9gCdQxK6
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<DataArray type="Float64" Name="x" format="binary" RangeMin="0" RangeMax="9">
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AQAAAACAAAAgAAAAFQAAAA==eF5jYEAGH+whtIADhFZyAAAYkwHi
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</DataArray>
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<DataArray type="Float64" Name="y" format="binary" RangeMin="0" RangeMax="1">
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AQAAAACAAAA4AAAAIgAAAA==eF5jYICAUDA4ag+hr9pDRB9A+U/tV4HBK6j4B3sAk7wQqg==
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<DataArray type="Float64" Name="y" format="binary" RangeMin="0" RangeMax="16">
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AQAAAACAAAAoAAAAFwAAAA==eF5jYEAGH+whtIADhFaC0gYOAChDAlI=
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</DataArray>
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<DataArray type="Float64" Name="z" format="binary" RangeMin="0" RangeMax="0.5">
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AQAAAACAAABAAAAALAAAAA==eF5jYICASSqeQLTJHkIfsr+9LReITkP5l+zB3NvXoOK37SG6HtgDANusGUo=
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<DataArray type="Float64" Name="z" format="binary" RangeMin="0" RangeMax="25">
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AQAAAACAAAAwAAAAGgAAAA==eF5jYEAGH+whtIADhFaC0gZQ2tIBADuFAss=
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</DataArray>
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</Coordinates>
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</Piece>
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@ -34,10 +34,9 @@ class TestVTK:
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default.show()
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def test_rectilinearGrid(self,tmp_path):
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cells = np.random.randint(5,10,3)*2
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size = np.random.random(3) + 1.0
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origin = np.random.random(3)
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v = VTK.from_rectilinear_grid(cells,size,origin)
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grid = np.sort(np.random.random((3,10)))
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print(grid)
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v = VTK.from_rectilinear_grid(grid)
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string = v.__repr__()
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v.save(tmp_path/'rectilinearGrid',False)
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vtr = VTK.load(tmp_path/'rectilinearGrid.vtr')
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@ -196,11 +195,13 @@ class TestVTK:
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@pytest.mark.xfail(int(vtk.vtkVersion.GetVTKVersion().split('.')[0])<8, reason='missing METADATA')
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def test_compare_reference_rectilinearGrid(self,update,ref_path,tmp_path):
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cells = np.array([5,6,7],int)
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size = np.array([.6,1.,.5])
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rectilinearGrid = VTK.from_rectilinear_grid(cells,size)
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c = grid_filters.coordinates0_point(cells,size).reshape(-1,3,order='F')
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n = grid_filters.coordinates0_node(cells,size).reshape(-1,3,order='F')
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grid = [np.arange(4)**2.,
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np.arange(5)**2.,
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np.arange(6)**2.] # ParaView renders tetrahedral meshing unless using float coordinates!
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rectilinearGrid = VTK.from_rectilinear_grid(grid)
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coords = np.stack(np.meshgrid(*grid,indexing='ij'),axis=-1)
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c = coords[:-1,:-1,:-1,:].reshape(-1,3,order='F')
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n = coords[:,:,:,:].reshape(-1,3,order='F')
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rectilinearGrid.add(np.ascontiguousarray(c),'cell')
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rectilinearGrid.add(np.ascontiguousarray(n),'node')
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if update:
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