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/******************************************************************************
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* $Id: lasspatialreference.hpp 1091 2009-03-10 20:17:35Z hobu $
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* Project: libLAS - http://liblas.org - A BSD library for LAS format data.
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* Purpose: LAS Spatial Reference class
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* Author: Howard Butler, hobu.inc@gmail.com
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******************************************************************************
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* Copyright (c) 2009, Howard Butler
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of the Martin Isenburg or Iowa Department
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* of Natural Resources nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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****************************************************************************/
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#ifndef LIBLAS_LASSPATIALREFERENCE_HPP_INCLUDED
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#define LIBLAS_LASSPATIALREFERENCE_HPP_INCLUDED
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#include <liblas/detail/fwd.hpp>
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#include <liblas/detail/private_utility.hpp>
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#include <liblas/variablerecord.hpp>
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#include <liblas/exception.hpp>
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#include <liblas/capi/las_config.h>
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#include <liblas/export.hpp>
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#include <liblas/external/property_tree/ptree.hpp>
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#include <stdexcept> // std::out_of_range
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#include <cstdlib> // std::size_t
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// Fake out the compiler if we don't have libgeotiff includes already
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#if !defined(__geotiff_h_)
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typedef struct GTIFS *GTIF;
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#if !defined(__geo_simpletags_h_)
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typedef struct ST_TIFFS *ST_TIFF;
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/// Spatial Reference System container for libLAS
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class LAS_DLL SpatialReference
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/// Default constructor.
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/// If libgeotiff is enabled, deallocates libtiff and libgeotiff objects used internally.
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/// Constructor creating SpatialReference instance from given Variable-Length Record.
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SpatialReference(std::vector<VariableRecord> const& vlrs);
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SpatialReference(SpatialReference const& other);
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/// Assignment operator.
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SpatialReference& operator=(SpatialReference const& rhs);
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bool operator==(const SpatialReference& other) const;
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bool operator!=(const SpatialReference& other) const { return !(*this == other); }
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/// Returns a pointer to the internal GTIF*. Only available if
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/// you have libgeotiff linked in.
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const GTIF* GetGTIF();
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void SetGTIF(GTIF* pgtiff, ST_TIFF* ptiff);
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/// Returns the OGC WKT describing Spatial Reference System.
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/// If GDAL is linked, it uses GDAL's operations and methods to determine
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/// the WKT. If GDAL is not linked, no WKT is returned.
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/// \param mode_flag May be eHorizontalOnly indicating the WKT will not
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/// include vertical coordinate system info (the default), or
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/// eCompoundOK indicating the the returned WKT may be a compound
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/// coordinate system if there is vertical coordinate system info
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std::string GetWKT(WKTModeFlag mode_flag = eHorizontalOnly) const;
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std::string GetWKT(WKTModeFlag mode_flag, bool pretty) const;
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/// Sets the SRS using GDAL's OGC WKT. If GDAL is not linked, this
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/// operation has no effect.
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/// \param v - a string containing the WKT string.
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void SetWKT(std::string const& v);
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/// Sets the vertical coordinate system using geotiff key values.
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/// This operation should normally be done after setting the horizontal
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/// portion of the coordinate system with something like SetWKT(),
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/// SetProj4(), SetGTIF() or SetFromUserInput()
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/// \param verticalCSType - An EPSG vertical coordinate system code,
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/// normally in the range 5600 to 5799, or -1 if one is not available.
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/// \param citation - a textual description of the vertical coordinate
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/// system or an empty string if nothing is available.
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/// \param verticalDatum - the EPSG vertical datum code, often in the
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/// range 5100 to 5299 - implied by verticalCSType if that is provided, or
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/// -1 if no value is available.
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/// \param verticalUnits - the EPSG vertical units code, often 9001 for Metre.
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void SetVerticalCS(boost::int32_t verticalCSType,
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std::string const& citation = std::string(0),
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boost::int32_t verticalDatum = -1,
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boost::int32_t verticalUnits = 9001);
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/// Sets the SRS using GDAL's SetFromUserInput function. If GDAL is not linked, this
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/// operation has no effect.
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/// \param v - a string containing the definition (filename, proj4, wkt, etc).
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void SetFromUserInput(std::string const& v);
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/// Returns the Proj.4 string describing the Spatial Reference System.
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/// If GDAL is linked, it uses GDAL's operations and methods to determine
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/// the Proj.4 string -- otherwise, if libgeotiff is linked, it uses
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/// that. Note that GDAL's operations are much more mature and
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/// support more coordinate systems and descriptions.
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std::string GetProj4() const;
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/// Sets the Proj.4 string describing the Spatial Reference System.
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/// If GDAL is linked, it uses GDAL's operations and methods to determine
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/// the Proj.4 string -- otherwise, if libgeotiff is linked, it uses
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/// that. Note that GDAL's operations are much more mature and
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/// support more coordinate systems and descriptions.
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/// \param v - a string containing the Proj.4 string.
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void SetProj4(std::string const& v);
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/// Set the LASVLRs for the SpatialReference. SetVLRs will only copy
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/// VLR records that pertain to the GeoTIFF keys, and extraneous
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/// VLR records will not be copied.
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/// \param vlrs - A list of VLRs that contains VLRs describing GeoTIFF keys
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void SetVLRs(std::vector<VariableRecord> const& vlrs);
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/// Add a VLR representing GeoTIFF keys to the SRS
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void AddVLR(VariableRecord const& vlr);
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/// Return a copy of the LASVLRs that SpatialReference maintains
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std::vector<VariableRecord> GetVLRs() const;
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void ClearVLRs( GeoVLRType eType );
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liblas::property_tree::ptree GetPTree() const;
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// FIXME: Define as shared_ptr<GTIF> with custom deleter to get rid of bloated mem management, unsafe anyway --mloskot
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std::vector<VariableRecord> m_vlrs;
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bool IsGeoVLR(VariableRecord const& vlr) const;
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std::string GetGTIFFText() const;
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/// Reset the VLRs of the SpatialReference using the existing GTIF* and ST_TIF*
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/// Until this method is called,
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/// the SpatialReference will only contain a SRS description using the VLRs
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/// that it was first instantiated with. SetWKT and SetProj4 can
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/// be used to change the GTIF*
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} // namespace liblas
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LAS_DLL std::ostream& operator<<(std::ostream& ostr, const liblas::SpatialReference& srs);
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#if defined(__geotiff_h_)
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#if defined(GEO_NORMALIZE_H_INCLUDED)
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char LAS_DLL * GTIFGetOGISDefn(GTIF*, GTIFDefn*);
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int LAS_DLL GTIFSetFromOGISDefn(GTIF*, const char*);
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void SetLinearUnitCitation(GTIF* psGTIF, char* pszLinearUOMName);
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#if defined(_OGR_SRS_API_H_INCLUDED)
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void SetGeogCSCitation(GTIF* psGTIF, OGRSpatialReference* poSRS, char* angUnitName, int nDatum, short nSpheroid);
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#endif // defined _OGR_SRS_API_H_INCLUDED
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#endif // defined __geotiff_h_
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#endif // LIBLAS_LASSPATIALREFERENCE_HPP_INCLUDED
added
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include/liblas/spatialreference.hpp
