/usr/include/pdal/SpatialReference.hpp is in libpdal-dev 1.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2009, Howard Butler
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the Martin Isenburg or Iowa Department
* of Natural Resources nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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****************************************************************************/
#pragma once
#include <pdal/pdal_internal.hpp>
namespace pdal
{
class PDAL_DLL BOX3D;
class PDAL_DLL MetadataNode;
/// A SpatialReference defines a model of the earth that is used to describe
/// the location of points.
/// A SpatialReference is part of input data and is automatically loaded
/// into PDAL by readers, or it's provided explicitly by a user through an
/// option. All points in a point view share a common spatial reference. When
/// a stage finishes processing point view, the point view takes on the
/// spatial reference of that stage, if it had one.
/// A point table tracks the spatial references of the views currently being
/// processed by a stage. If a point table being processed by a stage has
/// more than one spatial reference, PointTable::spatialReference() will
/// return an empty spatial reference and PointTable::spatialReferenceUnique()
/// will return false.
class PDAL_DLL SpatialReference
{
public:
/**
Constructor. Create an empty SRS.
*/
SpatialReference()
{}
/**
Construct a spatial reference from well-known text.
\param wkt Well-known text from which to construct SRS.
*/
SpatialReference(const std::string& wkt);
/**
Determine if this spatial reference is the same as another.
\param other SRS to compare with this one.
\return \c true if the SRSs match
*/
bool equals(const SpatialReference& other) const;
/**
See \ref equals.
*/
bool operator==(const SpatialReference& other) const;
/**
Determine if this spatial reference is different from another.
\param other SRS to compare with this one.
\return \c true if the SRSs don't match.
*/
bool operator!=(const SpatialReference& other) const;
/**
Determine if the well-known text representation of this SRS is
lexographically less than that of another.
\param other SRS to compare with this one.
\return \c true if this SRS is lexographically less.
*/
bool operator<(const SpatialReference& other) const
{ return m_wkt < other.m_wkt; }
/**
Returns true iff the object doesn't contain a valid srs.
\return Whether the SRS is empty.
*/
bool empty() const;
// Returns true of OSR can validate the SRS
bool valid() const;
std::string getWKT() const;
/// Sets the SRS from a string representation. WKT is saved as
/// provided.
/// \param v - a string containing the definition (filename, proj4,
/// wkt, etc).
void set(std::string v);
/// Returns the Proj.4 string describing the Spatial Reference System.
/// If GDAL is linked, it uses GDAL's operations and methods to determine
/// the Proj.4 string -- otherwise, if libgeotiff is linked, it uses
/// that. Note that GDAL's operations are much more mature and
/// support more coordinate systems and descriptions.
std::string getProj4() const;
std::string getHorizontal() const;
std::string getHorizontalUnits() const;
std::string getVertical() const;
std::string getVerticalUnits() const;
void dump() const;
MetadataNode toMetadata() const;
bool isGeographic() const;
bool isGeocentric() const;
int computeUTMZone(const BOX3D& box) const;
const std::string& getName() const;
static int calculateZone(double lon, double lat);
static bool isWKT(const std::string& wkt);
static std::string prettyWkt(const std::string& wkt);
private:
std::string m_wkt;
mutable std::string m_horizontalWkt;
friend PDAL_DLL std::ostream& operator<<(std::ostream& ostr,
const SpatialReference& srs);
friend PDAL_DLL std::istream& operator>>(std::istream& istr,
SpatialReference& srs);
};
PDAL_DLL std::ostream& operator<<(std::ostream& ostr,
const SpatialReference& srs);
PDAL_DLL std::istream& operator>>(std::istream& istr, SpatialReference& srs);
} // namespace pdal
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