/usr/include/SurgSim/DataStructures/OctreeNodePlyReaderDelegate.h is in libopensurgsim-dev 0.7.0-5.
This file is owned by root:root, with mode 0o644.
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// Copyright 2013, SimQuest Solutions Inc.
//
// 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
//
// 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.
#ifndef SURGSIM_DATASTRUCTURES_OCTREENODEPLYREADERDELEGATE_H
#define SURGSIM_DATASTRUCTURES_OCTREENODEPLYREADERDELEGATE_H
#include "SurgSim/DataStructures/PlyReaderDelegate.h"
#include "SurgSim/DataStructures/OctreeNode.h"
#include "SurgSim/DataStructures/EmptyData.h"
namespace SurgSim
{
namespace DataStructures
{
/// Delegate to read Octrees from ply files, this is the abstract base class, to let us modify
/// loading by datatype
class OctreeNodePlyReaderDelegateBase : public PlyReaderDelegate
{
public:
/// Constructor
OctreeNodePlyReaderDelegateBase();
/// Destructor
virtual ~OctreeNodePlyReaderDelegateBase();
bool registerDelegate(PlyReader* reader) override;
bool fileIsAcceptable(const PlyReader& reader) override;
/// Callback function, begin the processing of the bounds.
/// \param elementName Name of the element.
/// \param count Number of entries.
/// \throws SurgSim::Framework::AssertionFailure if count != 1, only one bounds entry is expected
/// \return memory for bounds data to the reader.
void* beginBounds(const std::string& elementName, size_t count);
/// Callback function, begin the processing of the dimension.
/// \param elementName Name of the element.
/// \param count Number of entries.
/// \throws SurgSim::Framework::AssertionFailure if count != 1, only one dimesion entry is expected
/// \return memory for dimension data to the reader.
void* beginDimension(const std::string& elementName, size_t count);
/// Callback function, begin the processing of the bounds.
/// \param elementName Name of the element.
/// \param count Number of entries.
/// \throws SurgSim::Framework::AssertionFailure if count != 1, only one spacing entry is expected
/// \return memory for spacing data to the reader.
void* beginSpacing(const std::string& elementName, size_t count);
/// Callback function, begin the processing of the voxels.
/// \param elementName Name of the element.
/// \param count Number of bounds entry.
/// \return memory for voxel data to the reader.
virtual void* beginVoxel(const std::string& elementName, size_t count);
/// Callback function to process one voxel. This is left up to the subclasses, they might have to deal with
/// data specific processing
/// \param elementName Name of the element.
virtual void processVoxel(const std::string& elementName) = 0;
protected:
/// Set up the octree, this is left up to the derived classes
virtual void initializeOctree() = 0;
/// Data Structure to receive the bounds information
struct BoundsData
{
double xMin;
double yMin;
double zMin;
double xMax;
double yMax;
double zMax;
} m_bounds;
/// Bounding box, will be initialized from the file
Eigen::AlignedBox<double, 3> m_boundingBox;
/// Data structure to receive the spacing information from the file
struct SpacingData
{
double x;
double y;
double z;
} m_spacing;
/// Data structure to receive the dimension information from the file
struct DimensionData
{
unsigned int x;
unsigned int y;
unsigned int z;
} m_dimension;
/// Data structure to receive the specific voxel information from the file
struct VoxelData
{
double x;
double y;
double z;
} m_voxel;
/// Calculated number of levels for the octree
int m_numLevels;
///@{
/// Check wether we actually received the appropriate information, if not we can't initialize the octree
bool m_haveSpacing;
bool m_haveDimensions;
bool m_haveBounds;
///@}
};
/// Subclass the OctreeNodePLyReaderDelegateBase class to enable processing of the templated data, this should be
/// specialized to enable specific processing of various extended node types
/// \tparam Data The data the should be inside the Octree, needs to be default constructable
template <typename Data>
class OctreeNodePlyReaderDelegate : public OctreeNodePlyReaderDelegateBase
{
public:
/// Constructor
OctreeNodePlyReaderDelegate();
/// Constructor
/// \param octree read the data into this octree
explicit OctreeNodePlyReaderDelegate(std::shared_ptr<OctreeNode<Data>> octree);
/// Destructor
virtual ~OctreeNodePlyReaderDelegate();
/// \return the octree
std::shared_ptr<OctreeNode<Data>> getOctree();
void processVoxel(const std::string& elementName) override;
void initializeOctree() override;
private:
/// The octree that will be filled with the data from the file
std::shared_ptr<OctreeNode<Data>> m_octree;
};
}
}
#include "SurgSim/DataStructures/OctreeNodePlyReaderDelegate-inl.h"
#endif
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