Isis Developer Reference
Mercator.h
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1 #ifndef Mercator_h
2 #define Mercator_h
3 
8 /* SPDX-License-Identifier: CC0-1.0 */
9 #include "TProjection.h"
10 
11 namespace Isis {
12  class Pvl;
13  class PvlGroup;
57  class Mercator : public TProjection {
58  public:
59  Mercator(Pvl &label, bool allowDefaults = false);
60  ~Mercator();
61  bool operator== (const Projection &proj);
62 
63  QString Name() const;
64  QString Version() const;
65  double TrueScaleLatitude() const;
67 
68  bool SetGround(const double lat, const double lon);
69  bool SetCoordinate(const double x, const double y);
70  bool XYRange(double &minX, double &maxX, double &minY, double &maxY);
71 
72  PvlGroup Mapping();
75 
76  private:
77  double m_centerLongitude;
78  double m_centerLatitude;
79  double m_scalefactor;
80  };
81 };
82 
83 #endif
Isis::TProjection::m_maximumLatitude
double m_maximumLatitude
Contains the maximum latitude for the entire ground range.
Definition: TProjection.h:356
Isis::HALFPI
const double HALFPI
The mathematical constant PI/2.
Definition: Constants.h:41
Isis::TProjection::m_longitude
double m_longitude
This contains the currently set longitude value.
Definition: TProjection.h:318
Isis::PvlObject::findGroup
PvlGroupIterator findGroup(const QString &name, PvlGroupIterator beg, PvlGroupIterator end)
Find a group with the specified name, within these indexes.
Definition: PvlObject.h:129
Isis::IException::Io
@ Io
A type of error that occurred when performing an actual I/O operation.
Definition: IException.h:155
Isis::TProjection::m_minimumLongitude
double m_minimumLongitude
Contains the minimum longitude for the entire ground range.
Definition: TProjection.h:358
Isis::TProjection::m_latitude
double m_latitude
This contains the currently set latitude value.
Definition: TProjection.h:316
Isis::PI
const double PI
The mathematical constant PI.
Definition: Constants.h:40
Isis::Mercator::TrueScaleLatitude
double TrueScaleLatitude() const
Returns the latitude of true scale in degrees.
Definition: Mercator.cpp:128
Isis::PvlKeyword
A single keyword-value pair.
Definition: PvlKeyword.h:82
Isis::TProjection::m_longitudeDirection
LongitudeDirection m_longitudeDirection
An enumerated type indicating the LongitudeDirection read from the labels.
Definition: TProjection.h:324
Isis::TProjection::m_minimumLatitude
double m_minimumLatitude
Contains the minimum latitude for the entire ground range.
Definition: TProjection.h:354
Isis::TProjection::PositiveWest
@ PositiveWest
Longitude values increase in the westerly direction.
Definition: TProjection.h:225
PvlGroup.h
Isis::Mercator::SetCoordinate
bool SetCoordinate(const double x, const double y)
This method is used to set the projection x/y.
Definition: Mercator.cpp:195
Isis::Projection::m_minimumY
double m_minimumY
See minimumX description.
Definition: Projection.h:327
Isis::Mercator::IsEquatorialCylindrical
bool IsEquatorialCylindrical()
Indicates whether the projection is Equitorial Cylindrical.
Definition: Mercator.cpp:137
Isis::Mercator::MappingLatitudes
PvlGroup MappingLatitudes()
This function returns the latitude keywords that this projection uses.
Definition: Mercator.cpp:306
Isis::Projection::GetX
double GetX() const
Calculates the unrotated form of current x value.
Definition: Projection.cpp:818
Isis::TProjection::tCompute
double tCompute(const double phi, const double sinphi) const
A convience method to compute Snyder's t equation (15-9) for a given latitude, .
Definition: TProjection.cpp:1870
Isis::PvlContainer::hasKeyword
bool hasKeyword(const QString &name) const
Check to see if a keyword exists.
Definition: PvlContainer.cpp:159
Isis::Pvl
Container for cube-like labels.
Definition: Pvl.h:119
Isis::TProjection::Eccentricity
double Eccentricity() const
This returns the eccentricity of the target,.
Definition: TProjection.cpp:304
Isis::Projection::SetXY
void SetXY(double x, double y)
This protected method is a helper for derived classes.
Definition: Projection.cpp:804
Isis::TProjection::ToPlanetocentric
double ToPlanetocentric(const double lat) const
This method converts a planetographic latitude to a planetocentric latitude.
Definition: TProjection.cpp:418
Isis::TProjection::XYRangeCheck
void XYRangeCheck(const double latitude, const double longitude)
This convience function is established to assist in the development of the XYRange virtual method.
Definition: TProjection.cpp:1062
Isis::toString
QString toString(bool boolToConvert)
Global function to convert a boolean to a string.
Definition: IString.cpp:211
Isis::Projection::m_mappingGrp
PvlGroup m_mappingGrp
Mapping group that created this projection.
Definition: Projection.h:329
Isis::Projection::GetY
double GetY() const
Calculates the unrotated form of the current y value.
Definition: Projection.cpp:829
Isis::PvlObject::Traverse
@ Traverse
Search child objects.
Definition: PvlObject.h:158
Isis::Mercator::XYRange
bool XYRange(double &minX, double &maxX, double &minY, double &maxY)
This method is used to determine the x/y range which completely covers the area of interest specified...
Definition: Mercator.cpp:267
Isis::Projection::m_minimumX
double m_minimumX
The data elements m_minimumX, m_minimumY, m_maximumX, and m_maximumY are convience data elements when...
Definition: Projection.h:317
Isis::PvlGroup
Contains multiple PvlContainers.
Definition: PvlGroup.h:41
Pvl.h
_FILEINFO_
#define _FILEINFO_
Macro for the filename and line number.
Definition: IException.h:24
Isis::Mercator::Mercator
Mercator(Pvl &label, bool allowDefaults=false)
Constructs a Mercator object.
Definition: Mercator.cpp:37
Isis::Projection::m_good
bool m_good
Indicates if the contents of m_x, m_y, m_latitude, and m_longitude are valid.
Definition: Projection.h:300
Isis::TProjection
Base class for Map TProjections.
Definition: TProjection.h:166
Mercator.h
Isis::Mercator::SetGround
bool SetGround(const double lat, const double lon)
This method is used to set the latitude/longitude (assumed to be of the correct LatitudeType,...
Definition: Mercator.cpp:153
Isis::IException
Isis exception class.
Definition: IException.h:91
TProjection.h
Isis::TProjection::MappingLongitudes
virtual PvlGroup MappingLongitudes()
This function returns the longitude keywords that this projection uses.
Definition: TProjection.cpp:1739
Isis::Mercator::Name
QString Name() const
Returns the name of the map projection, "Mercator".
Definition: Mercator.cpp:108
Isis::Projection::SetComputedXY
void SetComputedXY(double x, double y)
This protected method is a helper for derived classes.
Definition: Projection.cpp:780
IException.h
Isis::Mercator::MappingLongitudes
PvlGroup MappingLongitudes()
This function returns the longitude keywords that this projection uses.
Definition: Mercator.cpp:319
std
Namespace for the standard library.
Isis::Mercator::Mapping
PvlGroup Mapping()
This function returns the keywords that this projection uses.
Definition: Mercator.cpp:292
Isis::TProjection::m_maximumLongitude
double m_maximumLongitude
Contains the maximum longitude for the entire ground range.
Definition: TProjection.h:360
PvlKeyword.h
Isis::Mercator::Version
QString Version() const
Returns the version of the map projection.
Definition: Mercator.cpp:118
Isis::TProjection::MappingLatitudes
virtual PvlGroup MappingLatitudes()
This function returns the latitude keywords that this projection uses.
Definition: TProjection.cpp:1723
Isis::TProjection::ToPlanetographic
double ToPlanetographic(const double lat) const
This method converts a planetocentric latitude to a planetographic latitude.
Definition: TProjection.cpp:463
Isis::Mercator
Mercator Map Projection.
Definition: Mercator.h:57
Isis::TProjection::phi2Compute
double phi2Compute(const double t) const
A convience method to compute latitude angle phi2 given small t, from Syder's recursive equation (7-9...
Definition: TProjection.cpp:1803
Isis::TProjection::Mapping
virtual PvlGroup Mapping()
This function returns the keywords that this projection uses.
Definition: TProjection.cpp:1698
Isis::TProjection::m_equatorialRadius
double m_equatorialRadius
Polar radius of the target.
Definition: TProjection.h:335
Constants.h
Isis::TProjection::IsPlanetocentric
bool IsPlanetocentric() const
This indicates if the latitude type is planetocentric (as opposed to planetographic).
Definition: TProjection.cpp:392
Isis::Mercator::operator==
bool operator==(const Projection &proj)
Compares two Projection objects to see if they are equal.
Definition: Mercator.cpp:93
Isis::Projection::m_maximumY
double m_maximumY
See minimumX description.
Definition: Projection.h:328
Isis::Projection
Base class for Map Projections.
Definition: Projection.h:155
Isis::Projection::m_maximumX
double m_maximumX
See minimumX description.
Definition: Projection.h:326
Isis::Mercator::~Mercator
~Mercator()
Destroys the Mercator object.
Definition: Mercator.cpp:82
MercatorPlugin
Isis::Projection * MercatorPlugin(Isis::Pvl &lab, bool allowDefaults)
This is the function that is called in order to instantiate a Mercator object.
Definition: Mercator.cpp:342
Isis
This is free and unencumbered software released into the public domain.
Definition: Apollo.h:16