Beispiel #1
0
def pointIsNear(locations, distance, inputs):
    array = vtkDoubleArray()
    array.SetNumberOfComponents(3)
    array.SetNumberOfTuples(len(locations))
    for i in range(len(locations)):
        array.SetTuple(i, locations[i])
    node = vtkSelectionNode()
    node.SetFieldType(vtkSelectionNode.POINT)
    node.SetContentType(vtkSelectionNode.LOCATIONS)
    node.GetProperties().Set(vtkSelectionNode.EPSILON(), distance)
    node.SetSelectionList(array)

    from paraview.vtk.vtkFiltersExtraction import vtkLocationSelector
    selector = vtkLocationSelector()
    selector.Initialize(node, "vtkInsidedness")

    inputDO = inputs[0].VTKObject
    outputDO = inputDO.NewInstance()
    outputDO.CopyStructure(inputDO)

    output = dsa.WrapDataObject(outputDO)
    if outputDO.IsA('vtkCompositeDataSet'):
        it = inputDO.NewIterator()
        it.InitTraversal()
        while not it.IsDoneWithTraversal():
            outputDO.SetDataSet(it, inputDO.GetDataSet(it).NewInstance())
            it.GoToNextItem()
    selector.ComputeSelectedElements(inputDO, outputDO)

    return output.PointData.GetArray('vtkInsidedness')
Beispiel #2
0
def pointIsNear(locations, distance, inputs):
    array = vtkDoubleArray()
    array.SetNumberOfComponents(3)
    array.SetNumberOfTuples(len(locations))
    for i in range(len(locations)):
        array.SetTuple(i, locations[i])
    node = vtkSelectionNode()
    node.SetFieldType(vtkSelectionNode.POINT)
    node.SetContentType(vtkSelectionNode.LOCATIONS)
    node.GetProperties().Set(vtkSelectionNode.EPSILON(), distance)
    node.SetSelectionList(array)

    from paraview.vtk.vtkFiltersExtraction import vtkLocationSelector
    selector = vtkLocationSelector()
    selector.SetInsidednessArrayName("vtkInsidedness")
    selector.Initialize(node)

    inputDO = inputs[0].VTKObject
    outputDO = inputDO.NewInstance()
    outputDO.CopyStructure(inputDO)

    output = dsa.WrapDataObject(outputDO)
    if outputDO.IsA('vtkCompositeDataSet'):
        it = inputDO.NewIterator()
        it.InitTraversal()
        while not it.IsDoneWithTraversal():
            outputDO.SetDataSet(it, inputDO.GetDataSet(it).NewInstance())
            it.GoToNextItem()
    selector.Execute(inputDO, outputDO)

    return output.PointData.GetArray('vtkInsidedness')
Beispiel #3
0
def cellContainsPoint(inputs, locations):
    array = vtkDoubleArray()
    array.SetNumberOfComponents(3)
    array.SetNumberOfTuples(len(locations))
    for i in range(len(locations)):
        array.SetTuple(i, locations[i])
    node = vtkSelectionNode()
    node.SetFieldType(vtkSelectionNode.CELL)
    node.SetContentType(vtkSelectionNode.LOCATIONS)
    node.SetSelectionList(array)

    from paraview.vtk.vtkFiltersExtraction import vtkLocationSelector
    selector = vtkLocationSelector()
    selector.Initialize(node, "vtkInsidedness")

    inputDO = inputs[0].VTKObject
    outputDO = inputDO.NewInstance()
    outputDO.CopyStructure(inputDO)

    output = dsa.WrapDataObject(outputDO)
    if outputDO.IsA('vtkCompositeDataSet'):
        it = inputDO.NewIterator()
        it.InitTraversal()
        while not it.IsDoneWithTraversal():
            outputDO.SetDataSet(it, inputDO.GetDataSet(it).NewInstance())
            it.GoToNextItem()
    selector.ComputeSelectedElements(inputDO, outputDO)

    return output.CellData.GetArray('vtkInsidedness')