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| TimeFrame (std::string const &options="") |
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virtual | ~TimeFrame () |
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| TimeFrame (TimeFrame const &)=default |
| Copy constructor: make a deep copy. More...
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| TimeFrame (TimeFrame &&)=default |
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TimeFrame & | operator= (TimeFrame const &)=delete |
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TimeFrame & | operator= (TimeFrame &&)=default |
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std::shared_ptr< TimeFrame > | copy () const |
| Return a deep copy of this object. More...
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double | currentTime () const |
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std::string | getAlignTimeScale () const |
| Get AlignTimeScale: time scale in which to align TimeFrames. More...
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double | getLTOffset () const |
| Get LTOffset: the offset of Local Time from UTC, in hours. More...
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double | getTimeOrigin () const |
| Get TimeOrigin: the zero point for TimeFrame axis values. More...
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std::string | getTimeScale () const |
| Get TimeScale: the timescale used by the TimeFrame. More...
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void | setAlignTimeScale (std::string const &scale) |
| Set AlignTimeScale: time scale in which to align TimeFrames. More...
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void | setLTOffset (double offset) |
| Set LTOffset: the offset of Local Time from UTC, in hours. More...
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void | setTimeOrigin (double origin) |
| Set TimeOrigin: the zero point for TimeFrame axis values. More...
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void | setTimeScale (std::string const &scale) |
| Set TimeScale: the timescale used by the TimeFrame. More...
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| Frame (int naxes, std::string const &options="") |
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virtual | ~Frame () |
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| Frame (Frame const &)=default |
| Copy constructor: make a deep copy. More...
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| Frame (Frame &&)=default |
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Frame & | operator= (Frame const &)=delete |
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Frame & | operator= (Frame &&)=default |
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std::shared_ptr< Frame > | copy () const |
| Return a deep copy of this object. More...
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double | angle (PointD const &a, PointD const &b, PointD const &c) const |
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double | axAngle (PointD const &a, PointD const &b, int axis) const |
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double | axDistance (int axis, double v1, double v2) const |
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double | axOffset (int axis, double v1, double dist) const |
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std::shared_ptr< FrameSet > | convert (Frame const &to, std::string const &domainlist="") |
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double | distance (PointD const &point1, PointD const &point2) const |
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std::shared_ptr< FrameSet > | findFrame (Frame const &tmplt, std::string const &domainlist="") |
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std::string | format (int axis, double value) const |
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bool | getActiveUnit () const |
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std::string | getAlignSystem () const |
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double | getBottom (int axis) const |
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int | getDigits () const |
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int | getDigits (int axis) const |
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bool | getDirection (int axis) const |
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std::string | getDomain () const |
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double | getDut1 () const |
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double | getEpoch () const |
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std::string | getFormat (int axis) const |
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std::string | getInternalUnit (int axis) const |
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std::string | getLabel (int axis) const |
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bool | getMatchEnd () const |
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int | getMaxAxes () const |
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int | getMinAxes () const |
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int | getNAxes () const |
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std::string | getNormUnit (int axis) const |
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double | getObsAlt () const |
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std::string | getObsLat () const |
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std::string | getObsLon () const |
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bool | getPermute () const |
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bool | getPreserveAxes () const |
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std::string | getSymbol (int axis) const |
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std::string | getSystem () const |
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std::string | getTitle () const |
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double | getTop (int axis) const |
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std::string | getUnit (int axis) const |
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std::vector< double > | intersect (std::vector< double > const &a1, std::vector< double > const &a2, std::vector< double > const &b1, std::vector< double > const &b2) const |
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std::vector< int > | matchAxes (Frame const &other) const |
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CmpFrame | under (Frame const &next) const |
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PointD | norm (PointD value) const |
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PointD | offset (PointD point1, PointD point2, double offset) const |
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DirectionPoint | offset2 (PointD const &point1, double angle, double offset) const |
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void | permAxes (std::vector< int > perm) |
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FrameMapping | pickAxes (std::vector< int > const &axes) const |
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ResolvedPoint | resolve (std::vector< double > const &point1, std::vector< double > const &point2, std::vector< double > const &point3) const |
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void | setAlignSystem (std::string const &system) |
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void | setBottom (int axis, double bottom) |
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void | setDigits (int digits) |
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void | setDigits (int axis, int digits) |
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void | setDirection (bool direction, int axis) |
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virtual void | setDomain (std::string const &domain) |
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void | setDut1 (double dut1) |
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void | setEpoch (double epoch) |
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void | setEpoch (std::string const &epoch) |
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void | setFormat (int axis, std::string const &format) |
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void | setLabel (int axis, std::string const &label) |
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void | setMatchEnd (bool match) |
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void | setMaxAxes (int maxAxes) |
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void | setMinAxes (int minAxes) |
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void | setObsAlt (double alt) |
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void | setObsLat (std::string const &lat) |
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void | setObsLon (std::string const &lon) |
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void | setActiveUnit (bool enable) |
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void | setPermute (bool permute) |
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void | setPreserveAxes (bool preserve) |
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void | setSymbol (int axis, std::string const &symbol) |
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void | setSystem (std::string const &system) |
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void | setTitle (std::string const &title) |
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void | setTop (int axis, double top) |
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void | setUnit (int axis, std::string const &unit) |
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NReadValue | unformat (int axis, std::string const &str) const |
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virtual | ~Mapping () |
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| Mapping (Mapping const &)=default |
| Copy constructor: make a deep copy. More...
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| Mapping (Mapping &&)=default |
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Mapping & | operator= (Mapping const &)=delete |
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Mapping & | operator= (Mapping &&)=default |
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std::shared_ptr< Mapping > | copy () const |
| Return a deep copy of this object. More...
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int | getNIn () const |
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int | getNOut () const |
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bool | getIsSimple () const |
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bool | isInverted () const |
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bool | getIsLinear () const |
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bool | getReport () const |
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bool | hasForward () const |
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bool | hasInverse () const |
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std::shared_ptr< Mapping > | inverted () const |
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Array2D | linearApprox (PointD const &lbnd, PointD const &ubnd, double tol) const |
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SeriesMap | then (Mapping const &next) const |
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ParallelMap | under (Mapping const &next) const |
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double | rate (PointD const &at, int ax1, int ax2) const |
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void | setReport (bool report) |
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std::shared_ptr< Mapping > | simplified () const |
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void | applyForward (ConstArray2D const &from, Array2D const &to) const |
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Array2D | applyForward (ConstArray2D const &from) const |
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std::vector< double > | applyForward (std::vector< double > const &from) const |
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void | applyInverse (ConstArray2D const &from, Array2D const &to) const |
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Array2D | applyInverse (ConstArray2D const &from) const |
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std::vector< double > | applyInverse (std::vector< double > const &from) const |
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void | tranGridForward (PointI const &lbnd, PointI const &ubnd, double tol, int maxpix, Array2D const &to) const |
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Array2D | tranGridForward (PointI const &lbnd, PointI const &ubnd, double tol, int maxpix, int nPts) const |
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void | tranGridInverse (PointI const &lbnd, PointI const &ubnd, double tol, int maxpix, Array2D const &to) const |
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Array2D | tranGridInverse (PointI const &lbnd, PointI const &ubnd, double tol, int maxpix, int nPts) const |
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virtual | ~Object () |
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| Object (Object const &object) |
| Copy constructor: make a deep copy. More...
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| Object (Object &&)=default |
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Object & | operator= (Object const &)=delete |
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Object & | operator= (Object &&)=default |
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bool | operator== (Object const &rhs) const |
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bool | operator!= (Object const &rhs) const |
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std::shared_ptr< Object > | copy () const |
| Return a deep copy of this object. More...
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void | clear (std::string const &attrib) |
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bool | hasAttribute (std::string const &attrib) const |
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std::string | getClassName () const |
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std::string | getID () const |
| Get ID: object identification string that is not copied. More...
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std::string | getIdent () const |
| Get Ident: object identification string that is copied. More...
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int | getNObject () const |
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int | getObjSize () const |
| Get ObjSize: the in-memory size of the AST object in bytes. More...
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int | getRefCount () const |
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bool | getUseDefs () const |
| Get UseDefs: allow use of default values for Object attributes? More...
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void | lock (bool wait) |
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bool | same (Object const &other) const |
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void | setID (std::string const &id) |
| Set ID: object identification string that is not copied. More...
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void | setIdent (std::string const &ident) |
| Set Ident: object identification string that is copied. More...
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void | setUseDefs (bool usedefs) |
| Set UseDefs: allow use of default values for Object attributes? More...
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void | show (std::ostream &os, bool showComments=true) const |
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std::string | show (bool showComments=true) const |
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bool | test (std::string const &attrib) const |
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void | unlock (bool report=false) |
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AstObject const * | getRawPtr () const |
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AstObject * | getRawPtr () |
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virtual std::shared_ptr< Object > | copyPolymorphic () const override |
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| TimeFrame (AstTimeFrame *rawptr) |
| Construct a TimeFrame from a raw AST pointer. More...
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| Frame (AstFrame *rawPtr) |
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virtual std::shared_ptr< Object > | copyPolymorphic () const override |
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| Mapping (AstMapping *rawMap) |
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virtual std::shared_ptr< Object > | copyPolymorphic () const override |
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template<typename Class > |
std::shared_ptr< Class > | decompose (int i, bool copy) const |
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| Object (AstObject *object) |
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template<typename T , typename AstT > |
std::shared_ptr< T > | copyImpl () const |
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virtual std::shared_ptr< Object > | copyPolymorphic () const =0 |
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bool | getB (std::string const &attrib) const |
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std::string const | getC (std::string const &attrib) const |
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double | getD (std::string const &attrib) const |
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float | getF (std::string const &attrib) const |
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int | getI (std::string const &attrib) const |
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long int | getL (std::string const &attrib) const |
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void | set (std::string const &setting) |
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void | setB (std::string const &attrib, bool value) |
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void | setC (std::string const &attrib, std::string const &value) |
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void | setD (std::string const &attrib, double value) |
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void | setF (std::string const &attrib, float value) |
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void | setI (std::string const &attrib, int value) |
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void | setL (std::string const &attrib, long int value) |
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A TimeFrame is a specialised form of one-dimensional Frame which represents various coordinate systems used to describe positions in time.
A TimeFrame represents a moment in time as either an Modified Julian Date (MJD), a Julian Date (JD), a Besselian epoch or a Julian epoch, as determined by the System attribute. Optionally, a zero point can be specified (using attribute TimeOrigin) which results in the TimeFrame representing time offsets from the specified zero point.
Even though JD and MJD are defined as being in units of days, the TimeFrame class allows other units to be used (via the Unit attribute) on the basis of simple scalings (60 seconds = 1 minute, 60 minutes = 1 hour, 24 hours = 1 day, 365.25 days = 1 year). Likewise, Julian epochs can be described in units other than the usual years. Besselian epoch are always represented in units of (tropical) years.
The TimeScale attribute allows the time scale to be specified (that is, the physical process used to define the rate of flow of time). MJD, JD and Julian epoch can be used to represent a time in any supported time scale. However, Besselian epoch may only be used with the "TT" (Terrestrial Time) time scale. The list of supported time scales includes universal time and siderial time. Strictly, these represent angles rather than time scales, but are included in the list since they are in common use and are often thought of as time scales. When a time value is formatted it can be formated either as a simple floating point value, or as a Gregorian date (see the Format attribute).
Attributes
TimeFrame has the following attributes in addition to those provided by Frame, Mapping and Object
Several of the Frame attributes inherited by the TimeFrame class refer to a specific axis of the Frame (for instance Unit(axis), Label(axis), etc). Since a TimeFrame is strictly one-dimensional, it allows these attributes to be specified without an axis index. So for instance, "Unit" is allowed in place of "Unit(1)".