/usr/include/Field3D/MACFieldIO.h is in libfield3d-dev 1.6.1-2.
This file is owned by root:root, with mode 0o644.
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/*
* Copyright (c) 2009 Sony Pictures Imageworks Inc
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution. Neither the name of Sony Pictures Imageworks nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//----------------------------------------------------------------------------//
/*! \file MACFieldIO.h
\brief Contains the MACFieldIO class.
*/
//----------------------------------------------------------------------------//
#ifndef _INCLUDED_Field3D_MACFieldIO_H_
#define _INCLUDED_Field3D_MACFieldIO_H_
//----------------------------------------------------------------------------//
#include <string>
#include <boost/intrusive_ptr.hpp>
#include <hdf5.h>
#include "Exception.h"
#include "Field3DFile.h"
#include "FieldIO.h"
#include "Hdf5Util.h"
#include "MACField.h"
//----------------------------------------------------------------------------//
#include "ns.h"
FIELD3D_NAMESPACE_OPEN
//----------------------------------------------------------------------------//
// MACFieldIO
//----------------------------------------------------------------------------//
/*! \class MACFieldIO
\ingroup file_int
Defines the IO for a MACField object
*/
//----------------------------------------------------------------------------//
class MACFieldIO : public FieldIO
{
public:
// Typedefs ------------------------------------------------------------------
typedef boost::intrusive_ptr<MACFieldIO> Ptr;
// RTTI replacement ----------------------------------------------------------
typedef MACFieldIO class_type;
DEFINE_FIELD_RTTI_CONCRETE_CLASS;
static const char *staticClassType()
{
return "MACFieldIO";
}
// Constructors --------------------------------------------------------------
//! Ctor
MACFieldIO()
: FieldIO()
{ }
//! Dtor
virtual ~MACFieldIO()
{ /* Empty */ }
static FieldIO::Ptr create()
{ return Ptr(new MACFieldIO); }
// From FieldIO --------------------------------------------------------------
//! Reads the field at the given location and tries to create a MACField
//! object from it.
//! \returns Null if no object was read
virtual FieldBase::Ptr read(hid_t layerGroup, const std::string &filename,
const std::string &layerPath,
DataTypeEnum typeEnum);
//! Writes the given field to disk.
//! \return true if successful, otherwise false
virtual bool write(hid_t layerGroup, FieldBase::Ptr field);
//! Returns the class name
virtual std::string className() const
{ return "MACField"; }
private:
// Internal methods ----------------------------------------------------------
//! This call writes all the attributes and sets up the data space.
template <class Data_T>
bool writeInternal(hid_t layerGroup, typename MACField<Data_T>::Ptr field);
//! This call writes out the u,v,w data
template <class Data_T>
bool writeData(hid_t layerGroup, typename MACField<Data_T>::Ptr field,
MACComponent comp);
//! Reads the data that is dependent on the data type on disk
template <class Data_T>
bool readData(hid_t location, typename MACField<Data_T>::Ptr result);
// Strings -------------------------------------------------------------------
static const int k_versionNumber;
static const std::string k_versionAttrName;
static const std::string k_extentsStr;
static const std::string k_dataWindowStr;
static const std::string k_componentsStr;
static const std::string k_bitsPerComponentStr;
static const std::string k_uDataStr;
static const std::string k_vDataStr;
static const std::string k_wDataStr;
// Typedefs ------------------------------------------------------------------
//! Convenience typedef for referring to base class
typedef FieldIO base;
};
//----------------------------------------------------------------------------//
// Template methods
//----------------------------------------------------------------------------//
//! \todo Tune the chunk size of the gzip call
template <class Data_T>
bool MACFieldIO::writeInternal(hid_t layerGroup,
typename MACField<Data_T>::Ptr field)
{
using namespace Exc;
using namespace Hdf5Util;
int components = FieldTraits<Data_T>::dataDims();
Box3i ext(field->extents()), dw(field->dataWindow());
// Add extents attribute ---
int extents[6] =
{ ext.min.x, ext.min.y, ext.min.z, ext.max.x, ext.max.y, ext.max.z };
if (!writeAttribute(layerGroup, k_extentsStr, 6, extents[0]))
throw WriteAttributeException("Couldn't write attribute " + k_extentsStr);
// Add data window attribute ---
int dataWindow[6] =
{ dw.min.x, dw.min.y, dw.min.z, dw.max.x, dw.max.y, dw.max.z };
if (!writeAttribute(layerGroup, k_dataWindowStr, 6, dataWindow[0]))
throw WriteAttributeException("Couldn't write attribute " + k_dataWindowStr);
// Add components attribute ---
if (!writeAttribute(layerGroup, k_componentsStr, 1, components))
throw WriteAttributeException("Couldn't write attribute " + k_componentsStr);
// Add the bits per component attribute ---
int bits = DataTypeTraits<Data_T>::h5bits();
if (!writeAttribute(layerGroup, k_bitsPerComponentStr, 1, bits)) {
throw WriteAttributeException("Couldn't write attribute " + k_bitsPerComponentStr);
return false;
}
// Add data to file ---
if (!writeData<Data_T>(layerGroup, field, MACCompU)) {
throw WriteMACFieldDataException("Error writing u_data");
return false;
}
if (!writeData<Data_T>(layerGroup, field, MACCompV)) {
throw WriteMACFieldDataException("Error writing v_data");
return false;
}
if (!writeData<Data_T>(layerGroup, field, MACCompW)) {
throw WriteMACFieldDataException("Error writing w_data");
return false;
}
return true;
}
//----------------------------------------------------------------------------//
template <class Data_T>
bool MACFieldIO::writeData(hid_t layerGroup,
typename MACField<Data_T>::Ptr field,
MACComponent comp)
{
using namespace Exc;
using namespace Hdf5Util;
const V3i &compSize = field->getComponentSize();
hsize_t totalSize[1];
std::string compStr;
switch (comp) {
case MACCompU:
totalSize[0] = compSize.x;
compStr = k_uDataStr;
break;
case MACCompV:
totalSize[0] = compSize.y;
compStr = k_vDataStr;
break;
case MACCompW:
totalSize[0] = compSize.z;
compStr = k_wDataStr;
break;
default:
break;
}
// Make sure chunk size isn't too big.
hsize_t preferredChunkSize = 4096 * 16;
const hsize_t chunkSize = std::min(preferredChunkSize, totalSize[0] / 2);
H5ScopedScreate dataSpace(H5S_SIMPLE);
if (dataSpace.id() < 0)
throw CreateDataSpaceException("Couldn't create data space in "
"MACFieldIO::writeData");
// Create a "simple" data structure ---
H5Sset_extent_simple(dataSpace.id(), 1, totalSize, NULL);
// Set up gzip property list
bool gzipAvailable = checkHdf5Gzip();
hid_t dcpl = H5Pcreate(H5P_DATASET_CREATE);
if (gzipAvailable) {
herr_t status = H5Pset_deflate(dcpl, 9);
if (status < 0) {
return false;
}
status = H5Pset_chunk(dcpl, 1, &chunkSize);
if (status < 0) {
return false;
}
}
H5ScopedDcreate dataSet(layerGroup, compStr,
DataTypeTraits<Data_T>::h5type(),
dataSpace.id(),
H5P_DEFAULT, dcpl, H5P_DEFAULT);
if (dataSet.id() < 0)
throw CreateDataSetException("Couldn't create data set in "
"MACFieldIO::writeData");
hid_t err = H5Dwrite(dataSet,
DataTypeTraits<Data_T>::h5type(),
H5S_ALL, H5S_ALL,
H5P_DEFAULT, &(*field->cbegin_comp(comp)));
if (err < 0)
throw Exc::WriteLayerException("Error writing layer in "
"MACFieldIO::writeData");
return true;
}
//----------------------------------------------------------------------------//
template <class Data_T>
bool MACFieldIO::readData(hid_t layerGroup,
typename MACField<Data_T>::Ptr field)
{
using namespace std;
using namespace Exc;
using namespace Hdf5Util;
hsize_t dims[1];
// read u_data
{
H5ScopedDopen dataSet(layerGroup, k_uDataStr, H5P_DEFAULT);
if (dataSet.id() < 0)
throw OpenDataSetException("Couldn't open data set: " + k_uDataStr);
H5ScopedDget_space dataSpace(dataSet.id());
H5ScopedDget_type dataType(dataSet.id());
H5Sget_simple_extent_dims(dataSpace.id(), dims, NULL);
if (dataSpace.id() < 0)
throw GetDataSpaceException("Couldn't get data space");
if (dataType.id() < 0)
throw GetDataTypeException("Couldn't get data type");
if (H5Dread(dataSet, DataTypeTraits<Data_T>::h5type(),
H5S_ALL, H5S_ALL, H5P_DEFAULT, &(*field->begin_comp(MACCompU))) < 0)
{
std::string typeName = "MACField<" +
DataTypeTraits<Data_T>::name() + ">";
throw Exc::Hdf5DataReadException("Couldn't read " + typeName + " data");
}
}
// read v_data
{
H5ScopedDopen dataSet(layerGroup, k_vDataStr, H5P_DEFAULT);
if (dataSet.id() < 0)
throw OpenDataSetException("Couldn't open data set: " + k_vDataStr);
H5ScopedDget_space dataSpace(dataSet.id());
H5ScopedDget_type dataType(dataSet.id());
H5Sget_simple_extent_dims(dataSpace.id(), dims, NULL);
if (dataSpace.id() < 0)
throw GetDataSpaceException("Couldn't get data space");
if (dataType.id() < 0)
throw GetDataTypeException("Couldn't get data type");
if (H5Dread(dataSet, DataTypeTraits<Data_T>::h5type(),
H5S_ALL, H5S_ALL, H5P_DEFAULT, &(*field->begin_comp(MACCompV))) < 0)
{
std::string typeName = "MACField<" +
DataTypeTraits<Data_T>::name() + ">";
throw Exc::Hdf5DataReadException("Couldn't read " + typeName + " data");
}
}
// read w_data
{
H5ScopedDopen dataSet(layerGroup, k_wDataStr, H5P_DEFAULT);
if (dataSet.id() < 0)
throw OpenDataSetException("Couldn't open data set: " + k_wDataStr);
H5ScopedDget_space dataSpace(dataSet.id());
H5ScopedDget_type dataType(dataSet.id());
H5Sget_simple_extent_dims(dataSpace.id(), dims, NULL);
if (dataSpace.id() < 0)
throw GetDataSpaceException("Couldn't get data space");
if (dataType.id() < 0)
throw GetDataTypeException("Couldn't get data type");
if (H5Dread(dataSet, DataTypeTraits<Data_T>::h5type(),
H5S_ALL, H5S_ALL, H5P_DEFAULT, &(*field->begin_comp(MACCompW))) < 0)
{
std::string typeName = "MACField<" +
DataTypeTraits<Data_T>::name() + ">";
throw Exc::Hdf5DataReadException("Couldn't read " + typeName + " data");
}
}
return true;
}
//----------------------------------------------------------------------------//
FIELD3D_NAMESPACE_HEADER_CLOSE
//----------------------------------------------------------------------------//
#endif // Include guard
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