198 virtual QString
Name()
const = 0;
207 virtual QString
Version()
const = 0;
259 virtual bool SetGround(
const double lat,
const double lon);
275 double Scale()
const;
278 virtual bool XYRange(
double &minX,
double &maxX,
279 double &minY,
double &maxY);
288 double eRadius,
double pRadius);
290 double eRadius,
double pRadius);
300 void XYRangeCheck(
const double latitude,
const double longitude);
305 double &minY,
double &maxY);
308 double qCompute(
const double sinPhi)
const;
310 double mCompute(
const double sinphi,
const double cosphi)
const;
311 double tCompute(
const double phi,
const double sinphi)
const;
315 void doSearch(
double minBorder,
double maxBorder,
316 double &extremeVal,
const double constBorder,
317 bool searchX,
bool searchLongitude,
bool findMin);
318 void findExtreme(
double &minBorder,
double &maxBorder,
319 double &minBorderX,
double &minBorderY,
320 double &maxBorderX,
double &maxBorderY,
321 const double constBorder,
bool searchX,
322 bool searchLongitude,
bool findMin);
324 const double constBorder,
bool variableIsLat);
virtual ~TProjection()
Destroys the TProjection object.
QString LongitudeDirectionString() const
This method returns the longitude direction as a string.
bool inLatitudeRange(double latitude)
Determine whether the given latitude is within the range of the MinimumLatitude and MaximumLatitude r...
std::vector< double > m_specialLonCases
Constant Longitudes that intersect a discontinuity.
bool xyRangeOblique(double &minX, double &maxX, double &minY, double &maxY)
This method is used to find the XY range for oblique aspect projections (non-polar projections) by "w...
bool SetUniversalGround(const double lat, const double lon)
This method is used to set the latitude/longitude which must be Planetocentric (latitude) and Positiv...
Longitude values increase in the westerly direction.
bool IsPositiveEast() const
This indicates if the longitude direction type is positive west (as opposed to postive east)...
Base class for Map TProjections.
bool Has360Domain() const
This indicates if the longitude domain is 0 to 360 (as opposed to -180 to 180).
double ToPlanetographic(const double lat) const
This method converts a planetocentric latitude to a planetographic latitude.
virtual bool operator==(const Projection &proj)
This method determines whether two map projection objects are equal by comparing the equatorial radiu...
virtual bool IsEquatorialCylindrical()
This method returns true if the projection is equatorial cylindrical.
std::vector< double > m_specialLatCases
Constant Latitudes that intersect a discontinuity.
Latitudes are measured as the angle from the equatorial plane to the normal to the surface of the pla...
virtual QString Version() const =0
This method returns the Version of the map projection.
double Eccentricity() const
This returns the eccentricity of the target,.
double UniversalLongitude()
This returns a universal longitude (positive east in 0 to 360 domain).
double m_polarRadius
Polar radius of the target.
bool IsPositiveWest() const
This indicates if the longitude direction type is positive east (as opposed to postive west)...
bool inLongitudeRange(double longitude)
Determine whether the given longitude is within the range of the MinimumLongitude and MaximumLongitud...
double e4Compute() const
A convience method to compute.
double LocalRadius() const
This method returns the local radius in meters at the current latitude position.
Latitudes are measured as the angle from the equatorial plane to the plane through the center of the ...
double m_latitude
This contains the currently set latitude value.
void setSearchGround(const double variableBorder, const double constBorder, bool variableIsLat)
This function sets the ground for the given border values.
virtual PvlGroup MappingLatitudes()
This function returns the latitude keywords that this projection uses.
double MinimumLatitude() const
This returns the minimum latitude of the area of interest.
LongitudeDirection
This enum defines the types of Longitude directions supported in this class.
double m_longitude
This contains the currently set longitude value.
virtual QString Name() const =0
This method returns the name of the map projection.
double m_maximumLongitude
Contains the maximum longitude for the entire ground range.
double EquatorialRadius() const
This returns the equatorial radius of the target.
double m_minimumLatitude
Contains the minimum latitude for the entire ground range.
static double ToPositiveWest(const double lon, const int domain)
This method converts a longitude into the positive west direction.
double phi2Compute(const double t) const
A convience method to compute latitude angle phi2 given small t, from Syder's recursive equation (7-9...
double m_maximumLatitude
Contains the maximum latitude for the entire ground range.
Base class for Map Projections.
double m_equatorialRadius
Polar radius of the target.
int m_longitudeDomain
This integer is either 180 or 360 and is read from the labels.
static double To180Domain(const double lon)
This method converts a longitude into the -180 to 180 domain.
void findExtreme(double &minBorder, double &maxBorder, double &minBorderX, double &minBorderY, double &maxBorderX, double &maxBorderY, const double constBorder, bool searchX, bool searchLongitude, bool findMin)
Searches for extreme (min/max/discontinuity) coordinate values across latitudes/longitudes.
Contains multiple PvlContainers.
double MinimumLongitude() const
This returns the minimum longitude of the area of interest.
TProjection(Pvl &label)
Constructs an empty TProjection object.
virtual bool SetGround(const double lat, const double lon)
This method is used to set the latitude/longitude (assumed to be of the correct LatitudeType, LongitudeDirection, and LongitudeDomain.
double MaximumLatitude() const
This returns the maximum latitude of the area of interest.
Container for cube-like labels.
bool Has180Domain() const
This indicates if the longitude domain is -180 to 180 (as opposed to 0 to 360).
bool IsPlanetocentric() const
This indicates if the latitude type is planetocentric (as opposed to planetographic).
double ToPlanetocentric(const double lat) const
This method converts a planetographic latitude to a planetocentric latitude.
virtual PvlGroup Mapping()
This function returns the keywords that this projection uses.
double UniversalLatitude()
This returns a universal latitude (planetocentric).
static double To360Domain(const double lon)
This method converts a longitude into the 0 to 360 domain.
LongitudeDirection m_longitudeDirection
An enumerated type indicating the LongitudeDirection read from the labels.
double Longitude() const
This returns a longitude with correct longitude direction and domain as specified in the label object...
double mCompute(const double sinphi, const double cosphi) const
A convience method to compute Snyder's m equation (14-15) for a given latitude, . ...
virtual bool SetCoordinate(const double x, const double y)
This method is used to set the projection x/y.
virtual double TrueScaleLatitude() const
This method returns the latitude of true scale.
LatitudeType m_latitudeType
An enumerated type indicating the LatitudeType read from the labels.
double PolarRadius() const
This returns the polar radius of the target.
double Latitude() const
This returns a latitude with correct latitude type as specified in the label object.
double m_eccentricity
The eccentricity of the target body.
double qCompute(const double sinPhi) const
A convience method to compute Snyder's q equation (3-12) for a given latitude, .
double MaximumLongitude() const
This returns the maximum longitude of the area of interest.
bool IsPlanetographic() const
This indicates if the latitude type is planetographic (as opposed to planetocentric).
QString LatitudeTypeString() const
This method returns the latitude type as a string.
virtual PvlGroup MappingLongitudes()
This function returns the longitude keywords that this projection uses.
double tCompute(const double phi, const double sinphi) const
A convience method to compute Snyder's t equation (15-9) for a given latitude, .
void XYRangeCheck(const double latitude, const double longitude)
This convience function is established to assist in the development of the XYRange virtual method...
QString LongitudeDomainString() const
This method returns the longitude domain as a string.
double m_minimumLongitude
Contains the minimum longitude for the entire ground range.
void doSearch(double minBorder, double maxBorder, double &extremeVal, const double constBorder, bool searchX, bool searchLongitude, bool findMin)
This method searches for extreme (min/max/discontinuity) coordinate values along the constBorder line...
static double ToPositiveEast(const double lon, const int domain)
This method converts a longitude into the positive east direction.
Longitude values increase in the easterly direction.
LatitudeType
This enum defines the types of Latitude supported in this class.
virtual 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...
double Scale() const
This method returns the scale for mapping world coordinates into projection coordinates.