Function Gather

IO/MPIParallel/Testing/Python/Plot3DMPIIO.py:17–27

(c, arr, root)

VTK_DATA_ROOT = vtkGetDataRoot()

def Gather(c, arr, root):
    vtkArr = vtkDoubleArray()
    count = len(arr)
    vtkArr.SetNumberOfTuples(count)
    for i in range(count):
        vtkArr.SetValue(i, arr[i])
    vtkResult = vtkDoubleArray()
    c.Gather(vtkArr, vtkResult, root)
    result = [vtkResult.GetValue(i) for i in range(vtkResult.GetNumberOfTuples())]
    return [ tuple(result[i : i + count]) \
                for i in range(0, vtkResult.GetNumberOfTuples(), count) ]

renWin = vtkRenderWindow()