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/******************************************************************************
*
* Project: Hierarchical Data Format Release 4 (HDF4)
* Purpose: Header file for HDF4 datasets reader.
* Author: Andrey Kiselev, dron@ak4719.spb.edu
*
******************************************************************************
* Copyright (c) 2002, Andrey Kiselev <dron@ak4719.spb.edu>
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#ifndef HDF4DATASET_H_INCLUDED_
#define HDF4DATASET_H_INCLUDED_
#include "hdf.h"
#include "mfhdf.h"
#include "cpl_list.h"
#include "gdal_pam.h"
typedef enum // Types of dataset:
{
HDF4_SDS, // Scientific Dataset
HDF4_GR, // General Raster Image
HDF4_EOS, // HDF EOS
HDF4_UNKNOWN
} HDF4DatasetType;
typedef enum // Types of data products:
{
H4ST_GDAL, // HDF written by GDAL
H4ST_EOS_GRID, // HDF-EOS Grid
H4ST_EOS_SWATH, // HDF-EOS Swath
H4ST_EOS_SWATH_GEOL, // HDF-EOS Swath Geolocation Array
H4ST_SEAWIFS_L1A, // SeaWiFS Level-1A Data
H4ST_SEAWIFS_L2, // SeaWiFS Level-2 Data
H4ST_SEAWIFS_L3, // SeaWiFS Level-3 Standard Mapped Image
H4ST_HYPERION_L1, // Hyperion L1 Data Product
H4ST_UNKNOWN
} HDF4SubdatasetType;
/************************************************************************/
/* ==================================================================== */
/* HDF4Dataset */
/* ==================================================================== */
/************************************************************************/
class HDF4Dataset CPL_NON_FINAL : public GDALPamDataset
{
private:
bool bIsHDFEOS;
std::shared_ptr<GDALGroup> m_poRootGroup{};
static char **HDF4EOSTokenizeAttrs(const char *pszString);
static char **HDF4EOSGetObject(char **papszAttrList, char **ppszAttrName,
char **ppszAttrClass, char **ppszAttrValue);
void OpenMultiDim(const char *pszFilename, CSLConstList papszOpenOptionsIn);
protected:
int32 hGR;
int32 hSD;
int32 nImages;
HDF4SubdatasetType iSubdatasetType;
const char *pszSubdatasetType;
char **papszGlobalMetadata;
char **papszSubDatasets;
CPLErr ReadGlobalAttributes(int32);
public:
static GDALDataType GetDataType(int32);
static const char *GetDataTypeName(int32);
static int GetDataTypeSize(int32);
static double AnyTypeToDouble(int32, void *);
static char **TranslateHDF4Attributes(int32, int32, char *, int32, int32,
char **);
static char **TranslateHDF4EOSAttributes(int32, int32, int32, char **);
public:
HDF4Dataset();
virtual ~HDF4Dataset();
std::shared_ptr<GDALGroup> GetRootGroup() const override
{
return m_poRootGroup;
}
virtual char **GetMetadataDomainList() override;
virtual char **GetMetadata(const char *pszDomain = "") override;
static GDALDataset *Open(GDALOpenInfo *);
};
char *SPrintArray(GDALDataType eDataType, const void *paDataArray, int nValues,
const char *pszDelimiter);
#endif /* HDF4DATASET_H_INCLUDED_ */
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