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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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
#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
using ArrowType = itk::ArrowSpatialObject<3>;
auto myArrow = ArrowType::New();
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// The position of the arrow in the object (local) coordinate frame is
// defined using the \code{SetPositionInObjectSpace()} method. By default
// the position is set to the origin of the space. This is the "tip" of the
// arrow.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
ArrowType::PointType pos;
pos.Fill(1);
myArrow->SetPositionInObjectSpace(pos);
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
// Software Guide : BeginLatex
//
// The length of the arrow in the local coordinate frame is done using the
// \code{SetLengthInObjectSpace()} method. By default the length is set
// to 1. This is the euclidean distance spanned by the arrow's tail from its
// tip (position).
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
myArrow->SetLengthInObjectSpace(2);
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// The direction of the arrow can be set using the
// \code{SetDirectionInObjectSpace()} method.
// This is the direction the tail of the arrow extends from the position.
// 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->SetDirectionInObjectSpace(direction);
// Software Guide : EndCodeSnippet
return EXIT_SUCCESS;
}
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