/usr/include/vtk-6.3/vtkxdmf2/XdmfHDF.h is in libvtk6-dev 6.3.0+dfsg1-5.
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/* XDMF */
/* eXtensible Data Model and Format */
/* */
/* Id : Id */
/* Date : $Date$ */
/* Version : $Revision$ */
/* */
/* Author: */
/* Jerry A. Clarke */
/* clarke@arl.army.mil */
/* US Army Research Laboratory */
/* Aberdeen Proving Ground, MD */
/* */
/* Copyright @ 2002 US Army Research Laboratory */
/* All Rights Reserved */
/* See Copyright.txt or http://www.arl.hpc.mil/ice for details */
/* */
/* This software is distributed WITHOUT ANY WARRANTY; without */
/* even the implied warranty of MERCHANTABILITY or FITNESS */
/* FOR A PARTICULAR PURPOSE. See the above copyright notice */
/* for more information. */
/* */
/*******************************************************************/
#ifndef __XdmfHDF_h
#define __XdmfHDF_h
#include "XdmfHeavyData.h"
#define XDMF_H5_DIRECTORY H5G_GROUP
#define XDMF_H5_DATASET H5G_DATASET
#define XDMF_H5_UNKNOWN H5G_UNKNOWN
#define XDMF_H5_OTHER 0xFF
namespace xdmf2
{
class XdmfArray;
//! Class for Accessing HDF5 Data
/*!
This is a convenience object for reading and writing
HDF5 Files. Use this to remain XDMF compliant.
Datasets in HDF5 are specified by :
Domain:Filename:Pathname
where
Domain = NDGM | FILE | CORE | GASS
if Domain is not specified,
FILE is assumed
Filename = UNIX style Pathname of HDF5 file
Pathname = HDF5 Pathname inside HDF5 File
XdmfHDF confines HDF5 to using only HDF5 Groups and
HDF5 Datasets. HDF5 Attributes (Name=Value pairs) are
not used (that function is served by XML). HDF5 Groups
are treated like "Directories" on a UNIX filesystem.
HDF5 Datasets are treated like "Files" on a UNIX
Filesystem.
Example of Createing an HDF5 File :
\code
XdmfHDF *H5 = new XdmfHDF();
XdmfArray *MyData = new XdmfArray();
XdmfConstString DataSetNameConst;
MyData->SetNumberType(XDMF_FLOAT32_TYPE);
MyData->SetNumberOfElements(100);
MyData->Generate(0, 99);
DataSetNameConst = "FILE:TestFile.h5:/TestDataSets/Values1";
H5->CopyType( MyData );
H5->CopyShape( MyData );
H5->Open( DataSetName, "rw" );
H5->Write( MyData );
H5->Close();
\endcode
This would create an HDF5 file with one Group (TestDataSets) and one Dataset in
that Group (Values1). The Dataset would be 100 32 bit floating point values
ranging from 0-99.
*/
class XDMF_EXPORT XdmfHDF : public XdmfHeavyData {
public:
XdmfHDF();
~XdmfHDF();
XdmfConstString GetClassName() { return ( "XdmfHDF" ) ; };
//! Set Compression Level to 0 - 9 . Level <= 0 is Off
/*!
Compression level refers to the next dataset that is
created. Once a dataset is created, the compression
level does not change.
Compression Levels 1-9 are progressively slower but
result in much smaller HDF5 files. Compression uses
the libz compression and "CHUNKS" the HDF5 file
in the major dimension.
*/
XdmfSetValueMacro(Compression, XdmfInt32);
//! Get Compression Level
XdmfGetValueMacro(Compression, XdmfInt32);
//! Use Serial File Interface even if Parallel is Available
XdmfSetValueMacro(UseSerialFile, XdmfInt32);
//! Get Value of Use Serial
XdmfGetValueMacro(UseSerialFile, XdmfInt32);
//! Set the current internal HDF "Group" for creation
XdmfInt32 SetCwdName( XdmfConstString Directory );
//! Get the current internal HDF "Group"
XdmfGetValueMacro(CwdName, XdmfString );
//! Go to another HDF5 "Group"
XdmfInt32 Cd( XdmfConstString Directory = "/" ) {
return( this->SetCwdName( Directory ) );
};
//! Create an HDF5 Gourp
XdmfInt32 Mkdir( XdmfString Name );
//! Get the number of members in the current HDF5 Group
XdmfGetValueMacro( NumberOfChildren, XdmfInt64);
//! Get the HDF5 Library Version as Major.Minor.Release
XdmfConstString GetHDFVersion(void);
//! Get the n'th child in the current group
XdmfConstString GetChild( XdmfInt64 Index ) {
if ( Index >= this->NumberOfChildren ) {
return( "" );
}
return( this->Child[ Index ] );
};
//! Internal Call to set the name of the next child in the list
void SetNextChild( XdmfConstString Name );
//! Internal HDF5 info
XdmfInt32 Info( hid_t Group, XdmfConstString Name );
//! Get The Type of the Child : Directory, Dataset, ot Other
XdmfInt32 GetChildType( XdmfInt64 Index ) {
switch( this->Info( this->Cwd, this->GetChild( Index ) ) ) {
case H5G_GROUP :
return ( XDMF_H5_DIRECTORY );
case H5G_DATASET :
return ( XDMF_H5_DATASET );
case XDMF_FAIL :
return( XDMF_H5_UNKNOWN );
default :
break;
}
return( XDMF_H5_OTHER );
};
//! Get The Type of the Child as a String
XdmfConstString GetChildTypeAsString( XdmfInt64 Index ) {
switch( this->GetChildType( Index ) ) {
case XDMF_H5_DIRECTORY :
return("XDMF_H5_DIRECTORY");
case XDMF_H5_DATASET :
return("XDMF_H5_DATASET");
case XDMF_H5_UNKNOWN :
return("XDMF_H5_UNKNOWN");
}
return("XDMF_H5_OTHER");
};
//! Create a new dataset in the current Group
XdmfInt32 CreateDataset( XdmfConstString Path = NULL );
//! Open an existing Dataset in a currently open HDF5 file
XdmfInt32 OpenDataset();
//! Open an HDF5 file and OpenDataset = DataSetName
/*!
\verbatim
Access is one of :
"rw" | "wr" - Open for reading and writing. Create if necessary.
"r+" - Open for reading and writing.
"w" - Open for Writing. Create if necessary. This will truncate the file.
"w+" - Open for Writing. This will truncate the file.
"r" - Open for Read Only.
\endverbatim
*/
virtual XdmfInt32 DoOpen(
XdmfConstString DataSetName,
XdmfConstString Access );
/*!
Read the curently open dataset into and Array.
*/
virtual XdmfArray* DoRead( XdmfArray *Array );
/*!
Write to the curently open dataset from and Array.
*/
virtual XdmfInt32 DoWrite( XdmfArray *Array );
//! Close the HDF5 File
virtual XdmfInt32 DoClose();
protected:
hid_t File;
hid_t Cwd;
hid_t Dataset;
hid_t CreatePlist;
hid_t AccessPlist;
char CwdName[XDMF_MAX_STRING_LENGTH];
XdmfInt32 Compression;
XdmfInt32 UseSerialFile;
XdmfInt64 NumberOfChildren;
XdmfString Child[1024];
};
/*
extern XdmfArray *CreateArrayFromType( XdmfType *Type,
XdmfInt64 NumberOfElements = 10 );
*/
extern XDMF_EXPORT XdmfArray *CopyArray( XdmfArray *Source, XdmfArray *Target = NULL );
}
#endif // __XdmfHDF_h
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