Python vertex_normal 예제들

예제 #1

fd = vtk.vtkFloatArray()
fd.SetNumberOfTuples(11)
fd.FillComponent(0, 5)
fd.SetName("field array")

output.GetFieldData().AddArray(fd)

g2 = vtk.vtkMultiBlockDataGroupFilter()
g2.AddInputData(output)
g2.AddInputData(output)

g2.Update()

sphere = dsa.CompositeDataSet(g2.GetOutput())

vn = algs.vertex_normal(sphere)
compare(algs.mag(vn) - 1, 1E-6)

sn = algs.surface_normal(sphere)
compare(algs.mag(sn) - 1, 1E-6)

dot = algs.dot(vn, vn)
assert dot.DataSet is sphere
compare(dot - 1, 1E-6)
assert algs.all(algs.cross(vn, vn) == [0, 0, 0])

fd = sphere.FieldData['field array']
assert algs.all(fd == 5)
assert algs.shape(fd) == (22,)

assert vn.DataSet is sphere

예제 #2

파일: TestNumpyInterface.py 프로젝트: 0004c/VTK

fd = vtk.vtkFloatArray()
fd.SetNumberOfTuples(11)
fd.FillComponent(0, 5)
fd.SetName("field array")

output.GetFieldData().AddArray(fd)

g2 = vtk.vtkMultiBlockDataGroupFilter()
g2.AddInputData(output)
g2.AddInputData(output)

g2.Update()

sphere = dsa.CompositeDataSet(g2.GetOutput())

vn = algs.vertex_normal(sphere)
assert algs.all(algs.mag(vn) - 1 < 1E-6)

sn = algs.surface_normal(sphere)
assert algs.all(algs.mag(sn) - 1 < 1E-6)

dot = algs.dot(vn, vn)
assert dot.DataSet is sphere
assert algs.all(dot == 1)
assert algs.all(algs.cross(vn, vn) == [0, 0, 0])

fd = sphere.FieldData['field array']
assert algs.all(fd == 5)
assert algs.shape(fd) == (22,)

assert vn.DataSet is sphere