DYT/Tool/OpenSceneGraph-3.6.5/include/gdal_mdreader.h
2024-12-25 07:49:36 +08:00

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9.0 KiB
C++

/******************************************************************************
* $Id$
*
* Project: GDAL Core
* Purpose: Read metadata (mainly the remote sensing imagery) from files of
* different providers like DigitalGlobe, GeoEye etc.
* Author: Dmitry Baryshnikov, polimax@mail.ru
*
******************************************************************************
* Copyright (c) 2014-2015, NextGIS info@nextgis.ru
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#ifndef GDAL_MDREADER_H_INCLUDED
#define GDAL_MDREADER_H_INCLUDED
#include "cpl_port.h"
#include "gdal_priv.h"
#include <map>
#define MD_DOMAIN_IMD "IMD" /**< image metadata section */
#define MD_DOMAIN_RPC "RPC" /**< rpc metadata section */
#define MD_DOMAIN_IMAGERY "IMAGERY" /**< imagery metadata section */
#define MD_DOMAIN_DEFAULT "" /**< default metadata section */
#define MD_NAME_ACQDATETIME \
"ACQUISITIONDATETIME" /**< Acquisition Date Time property name. The time \
should be in UTC */
#define MD_NAME_SATELLITE \
"SATELLITEID" /**< Satellite identificator property name */
#define MD_NAME_CLOUDCOVER \
"CLOUDCOVER" /**< Cloud coverage property name. The value between 0 - 100 \
or 999 if n/a */
#define MD_NAME_MDTYPE \
"METADATATYPE" /**< Metadata reader type property name. The reader \
processed this metadata */
#define MD_DATETIMEFORMAT "%Y-%m-%d %H:%M:%S" /**< Date time format */
#define MD_CLOUDCOVER_NA "999" /**< The value if cloud cover is n/a */
/**
* RPC/RPB specific defines
*/
#define RPC_ERR_BIAS "ERR_BIAS"
#define RPC_ERR_RAND "ERR_RAND"
#define RPC_LINE_OFF "LINE_OFF"
#define RPC_SAMP_OFF "SAMP_OFF"
#define RPC_LAT_OFF "LAT_OFF"
#define RPC_LONG_OFF "LONG_OFF"
#define RPC_HEIGHT_OFF "HEIGHT_OFF"
#define RPC_LINE_SCALE "LINE_SCALE"
#define RPC_SAMP_SCALE "SAMP_SCALE"
#define RPC_LAT_SCALE "LAT_SCALE"
#define RPC_LONG_SCALE "LONG_SCALE"
#define RPC_HEIGHT_SCALE "HEIGHT_SCALE"
#define RPC_LINE_NUM_COEFF "LINE_NUM_COEFF"
#define RPC_LINE_DEN_COEFF "LINE_DEN_COEFF"
#define RPC_SAMP_NUM_COEFF "SAMP_NUM_COEFF"
#define RPC_SAMP_DEN_COEFF "SAMP_DEN_COEFF"
/* Optional */
#define RPC_MIN_LONG "MIN_LONG"
#define RPC_MIN_LAT "MIN_LAT"
#define RPC_MAX_LONG "MAX_LONG"
#define RPC_MAX_LAT "MAX_LAT"
/* Pleiades Neo nomenclature */
#define RPC_LAT_NUM_COEFF "LAT_NUM_COEFF"
#define RPC_LAT_DEN_COEFF "LAT_DEN_COEFF"
#define RPC_LON_NUM_COEFF "LON_NUM_COEFF"
#define RPC_LON_DEN_COEFF "LON_DEN_COEFF"
/**
* Enumerator of metadata readers
*/
typedef enum
{
MDR_None = 0x00000000, /**< no reader */
MDR_DG = 0x00000001, /**< Digital Globe, METADATATYPE=DG */
MDR_GE = 0x00000002, /**< Geo Eye, METADATATYPE=GE */
MDR_OV = 0x00000004, /**< Orb View, METADATATYPE=OV */
MDR_PLEIADES = 0x00000008, /**< Pleiades, METADATATYPE=DIMAP */
MDR_SPOT = 0x00000010, /**< Spot, METADATATYPE=DIMAP */
MDR_RDK1 = 0x00000020, /**< Resurs DK1, METADATATYPE=MSP */
MDR_LS = 0x00000040, /**< Landsat, METADATATYPE=ODL */
MDR_RE = 0x00000080, /**< RapidEye, METADATATYPE=RE */
MDR_KOMPSAT = 0x00000100, /**< Kompsat, METADATATYPE=KARI */
MDR_EROS = 0x00000200, /**< EROS, METADATATYPE=EROS */
MDR_ALOS = 0x00000400, /**< ALOS, METADATATYPE=ALOS */
MDR_ANY = MDR_DG | MDR_GE | MDR_OV | MDR_PLEIADES | MDR_SPOT | MDR_RDK1 |
MDR_LS | MDR_RE | MDR_KOMPSAT | MDR_EROS |
MDR_ALOS /**< any reader */
} MDReaders;
/**
* The base class for all metadata readers
*/
class CPL_DLL GDALMDReaderBase
{
CPL_DISALLOW_COPY_ASSIGN(GDALMDReaderBase)
static bool
ReadXMLToListFirstPass(const CPLXMLNode *psNode,
std::map<std::string, int> &oMapCountKeysFull,
const std::string &osPrefixFull, int nDepth);
char **ReadXMLToList(const CPLXMLNode *psNode, char **papszList,
const std::map<std::string, int> &oMapCountKeysFullRef,
std::map<std::string, int> &oMapCountKeysFull,
std::map<std::string, int> &oMapCountKeys,
const std::string &osPrefix,
const std::string &osPrefixFull);
public:
GDALMDReaderBase(const char *pszPath, char **papszSiblingFiles);
virtual ~GDALMDReaderBase();
/**
* @brief Get specified metadata domain
* @param pszDomain The metadata domain to return
* @return List of metadata items
*/
virtual char **GetMetadataDomain(const char *pszDomain);
/**
* @brief Fill provided metadata store class
* @param poMDMD Metadata store class
* @return true on success or false
*/
virtual bool FillMetadata(GDALMultiDomainMetadata *poMDMD);
/**
* @brief Determine whether the input parameter correspond to the particular
* provider of remote sensing data completely
* @return True if all needed sources files found
*/
virtual bool HasRequiredFiles() const = 0;
/**
* @brief Get metadata file names. The caller become owner of returned list
* and have to free it via CSLDestroy.
* @return A file name list
*/
virtual char **GetMetadataFiles() const = 0;
protected:
/**
* @brief Load metadata to the correspondent IMD, RPB, IMAGERY and DEFAULT
* domains
*/
virtual void LoadMetadata();
/**
* @brief Convert string like 2012-02-25T00:25:59.9440000Z to time
* @param pszDateTime String to convert
* @return value in second sinc epoch 1970-01-01 00:00:00
*/
virtual GIntBig GetAcquisitionTimeFromString(const char *pszDateTime);
/**
* @brief ReadXMLToList Transform xml to list of NULL terminated name=value
* strings
* @param psNode A xml node to process
* @param papszList A list to fill with name=value strings
* @param pszName A name of parent node. For root xml node should be empty.
* If name is not empty, the sibling nodes will not proceed
* @return An input list filled with values
*/
virtual char **ReadXMLToList(CPLXMLNode *psNode, char **papszList,
const char *pszName = "");
/**
* @brief AddXMLNameValueToList Execute from ReadXMLToList to add name and
* value to list. One can override this function for special
* processing input values before add to list.
* @param papszList A list to fill with name=value strings
* @param pszName A name to add
* @param pszValue A value to add
* @return An input list filled with values
*/
virtual char **AddXMLNameValueToList(char **papszList, const char *pszName,
const char *pszValue);
protected:
//! @cond Doxygen_Suppress
char **m_papszIMDMD = nullptr;
char **m_papszRPCMD = nullptr;
char **m_papszIMAGERYMD = nullptr;
char **m_papszDEFAULTMD = nullptr;
bool m_bIsMetadataLoad = false;
//! @endcond
};
/**
* The metadata reader main class.
* The main purpose of this class is to provide an correspondent reader
* for provided path.
*/
class CPL_DLL GDALMDReaderManager
{
CPL_DISALLOW_COPY_ASSIGN(GDALMDReaderManager)
public:
GDALMDReaderManager();
virtual ~GDALMDReaderManager();
/**
* @brief Try to detect metadata reader correspondent to the provided
* datasource path
* @param pszPath a path to GDALDataset
* @param papszSiblingFiles file list for metadata search purposes
* @param nType a preferable reader type (may be the OR of MDReaders)
* @return an appropriate reader or NULL if no such reader or error.
* The pointer delete by the GDALMDReaderManager, so the user have not
* delete it.
*/
virtual GDALMDReaderBase *GetReader(const char *pszPath,
char **papszSiblingFiles,
GUInt32 nType = MDR_ANY);
protected:
//! @cond Doxygen_Suppress
GDALMDReaderBase *m_pReader = nullptr;
//! @endcond
};
// misc
CPLString CPLStrip(const CPLString &osString, const char cChar);
CPLString CPLStripQuotes(const CPLString &osString);
char **GDALLoadRPBFile(const CPLString &osFilePath);
char CPL_DLL **GDALLoadRPCFile(const CPLString &osFilePath);
char **GDALLoadIMDFile(const CPLString &osFilePath);
bool GDALCheckFileHeader(const CPLString &soFilePath, const char *pszTestString,
int nBufferSize = 256);
CPLErr GDALWriteRPBFile(const char *pszFilename, char **papszMD);
CPLErr CPL_DLL GDALWriteRPCTXTFile(const char *pszFilename, char **papszMD);
CPLErr GDALWriteIMDFile(const char *pszFilename, char **papszMD);
#endif // GDAL_MDREADER_H_INCLUDED