ITK  4.8.0
Insight Segmentation and Registration Toolkit
Examples/SpatialObjects/ArrowSpatialObject.cxx
/*=========================================================================
*
* 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 an \doxygen{ArrowSpatialObject}.
// Let's begin by including the appropriate header file.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
// 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
// \code{SetLength()} method. 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 \code{SetDirection()} method.
// Calling \code{SetDirection()} modifies the \code{ObjectToParentTransform}
// (not the \code{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;
}