ITK  5.4.0 Insight Toolkit
SphinxExamples/src/Core/Common/VectorDotProduct/Code.py
1 #!/usr/bin/env python
2
3 # ==========================================================================
4 #
5 # Copyright NumFOCUS
6 #
7 # Licensed under the Apache License, Version 2.0 (the "License")
8 # you may not use this file except in compliance with the License.
9 # You may obtain a copy of the License at
10 #
12 #
13 # Unless required by applicable law or agreed to in writing, software
14 # distributed under the License is distributed on an "AS IS" BASIS,
15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 # See the License for the specific language governing permissions and
17 # limitations under the License.
18 #
19 # ==========================================================================*/
20
21 import itk
22 from numpy.core import double
23
24 Dimension = 3
25 CoordType = itk.D
26
27 VectorType = itk.Vector[CoordType, Dimension]
28
29 u = VectorType()
30 u[0] = -1.0
31 u[1] = 1.0
32 u[2] = -1.0
33
34 v = VectorType()
35 v[0] = 1.0
36 v[1] = 2.0
37 v[2] = 3.0
38
39 print("u: " + str(u))
40 print("v: " + str(v))
41 print("DotProduct( u, v ) = " + str(u * v))
42 print("DotProduct( u, v ) = " + str(u - double(u * v) * v))
itk::GTest::TypedefsAndConstructors::Dimension2::VectorType
ImageBaseType::SpacingType VectorType
Definition: itkGTestTypedefsAndConstructors.h:53
itk::Vector
A templated class holding a n-Dimensional vector.
Definition: itkVector.h:62