/****************************************************************************** * $Id: gdal_mdreader.h 29190 2015-05-13 21:40:30Z bishop $ * * 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 * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. ****************************************************************************/ #ifndef GDAL_MDREADER_H_INCLUDED #define GDAL_MDREADER_H_INCLUDED #include "cpl_port.h" #include "gdal_priv.h" #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_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" /** * 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 GDALMDReaderBase{ 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 metatada store class * @param poMDMD Metatada 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 const 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 time_t */ virtual const time_t 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: char **m_papszIMDMD; char **m_papszRPCMD; char **m_papszIMAGERYMD; char **m_papszDEFAULTMD; bool m_bIsMetadataLoad; }; /** * The metadata reader main class. * The main purpose of this class is to provide an correspondent reader * for provided path. */ class CPL_DLL 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: GDALMDReaderBase *m_pReader; }; // misc CPLString CPLStrip(const CPLString& osString, const char cChar); CPLString CPLStripQuotes(const CPLString& osString); char** GDALLoadRPBFile( const CPLString& osFilePath ); char** GDALLoadRPCFile( const CPLString& osFilePath ); char** GDALLoadIMDFile( const CPLString& osFilePath ); const bool GDALCheckFileHeader(const CPLString& soFilePath, const char * pszTestString, int nBufferSize = 256); CPLErr GDALWriteRPBFile( const char *pszFilename, char **papszMD ); CPLErr GDALWriteRPCTXTFile( const char *pszFilename, char **papszMD ); CPLErr GDALWriteIMDFile( const char *pszFilename, char **papszMD ); #endif //GDAL_MDREADER_H_INCLUDED