text: /*=========================================================================
   *
   *  Copyright Insight Software Consortium
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0.txt
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *=========================================================================*/
  
  // Software Guide : BeginLatex
  //
  // \index{itk::ArrowSpatialObject}
  //
  // This example shows how to create a \doxygen{ArrowSpatialObject}.
  // Let's begin by including the appropriate header file.
  //
  // Software Guide : EndLatex
  
  // Software Guide : BeginCodeSnippet
  #include "itkArrowSpatialObject.h"
  // Software Guide : EndCodeSnippet
  
  int main( int , char *[] )
  {
  // Software Guide : BeginLatex
  //
  // The \doxygen{ArrowSpatialObject}, like many SpatialObjects, is templated
  // over the dimensionality of the object.
  //
  // Software Guide : EndLatex
  
  // Software Guide : BeginCodeSnippet
    typedef itk::ArrowSpatialObject<3>   ArrowType;
    ArrowType::Pointer myArrow = ArrowType::New();
  // Software Guide : EndCodeSnippet
  
  // Software Guide : BeginLatex
  //
  // The length of the arrow in the local coordinate frame is done using the
  // SetLength() function. By default the length is set to 1.
  //
  // Software Guide : EndLatex
  
  // Software Guide : BeginCodeSnippet
    myArrow->SetLength(2);
  // Software Guide : EndCodeSnippet
  
  // Software Guide : BeginLatex
  //
  // The direction of the arrow can be set using the SetDirection() function.
  // The SetDirection() function modifies the ObjectToParentTransform (not the IndexToObjectTransform).
  // By default the direction is set along the X axis (first direction).
  //
  // Software Guide : EndLatex
  
  // Software Guide : BeginCodeSnippet
    ArrowType::VectorType direction;
    direction.Fill(0);
    direction[1] = 1.0;
    myArrow->SetDirection(direction);
  // Software Guide : EndCodeSnippet
  
    return EXIT_SUCCESS;
  }
  