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Diffstat (limited to 'kstars/kstars/tools/altvstime.h')
| -rw-r--r-- | kstars/kstars/tools/altvstime.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/kstars/kstars/tools/altvstime.h b/kstars/kstars/tools/altvstime.h new file mode 100644 index 00000000..1f07b05f --- /dev/null +++ b/kstars/kstars/tools/altvstime.h @@ -0,0 +1,221 @@ +/*************************************************************************** + altvstime.h - description + ------------------- + begin : Mon Dec 23 2002 + copyright : (C) 2002 by Pablo de Vicente + email : vicente@oan.es + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#ifndef ALTVSTIME_H +#define ALTVSTIME_H + +#include "kstarsplotwidget.h" + +class KStarsDateTime; +class QTime; +class QVariant; +class QVBoxLayout; +class KDialogBase; +class KLocale; +class SkyObject; +class SkyPoint; +class dms; +class GeoLocation; +class KStars; +class AltVsTimeUI; + +/**@class AVTPlotWidget + *@short An extension of the KStarsPlotWidget for the AltVsTime tool. + *The biggest difference is that in addition to the plot objects, it + *draws the "ground" below Alt=0 and draws the sky light blue for day + *times, and black for night times. The transition between day and + *night is drawn with a gradient, and the position follows the actual + *sunrise/sunset times of the given date/location. + *Also, this plot widget provides two time axes (local time along the + *bottom, and local sideral time along the top). + *@version 1.0 + *@author Jason Harris + */ +class AVTPlotWidget : public KStarsPlotWidget +{ + Q_OBJECT +public: +/**Constructor + */ + AVTPlotWidget( double x1=0.0, double x2=1.0, double y1=0.0, double y2=1.0, QWidget *parent=0, const char* name=0 ); + +/**Set the fractional positions of the Sunrise and Sunset positions, + *in units where last midnight was 0.0, and next midnight is 1.0. + *i.e., if Sunrise is at 06:00, then we set it as 0.25 in this + *function. Likewise, if Sunset is at 18:00, then we set it as + *0.75 in this function. + *@param sr the fractional position of Sunrise + *@param ss the fractional position of Sunset + */ + void setSunRiseSetTimes( double sr, double ss ) { SunRise = sr; SunSet = ss; } + +protected: +/**Handle mouse move events. If the mouse button is down, + *draw crosshair lines centered at the cursor position. This + *allows the user to pinpoint specific position sin the plot. + */ + void mouseMoveEvent( QMouseEvent *e ); + +/**Simply calls mouseMoveEvent(). + */ + void mousePressEvent( QMouseEvent *e ); + +/**Redraw the plot. + */ + void paintEvent( QPaintEvent *e ); + +private: + double SunRise, SunSet; +}; + +/**@class AltVsTime + *@short the Altitude vs. Time Tool. + *Plot the altitude as a function of time for any list of + *objects, as seen from any location, on any date. + *@version 1.0 + *@author Jason Harris + */ + +class AltVsTime : public KDialogBase +{ + Q_OBJECT + +public: +/**Constructor + */ + AltVsTime( QWidget* parent = 0); + +/**Destructor + */ + ~AltVsTime(); + +/**Determine the limits for the sideral time axis, using + *the sidereal time at midnight for the current date + *and location settings. + */ + void setLSTLimits(); + +/**Set the AltVsTime Date according to the current Date + *in the KStars main window. Currently, this is only + *used in the ctor to initialize the Date. + */ + void showCurrentDate (void); + +/**@return a KStarsDateTime object constructed from the + *current setting in the Date widget. + */ + KStarsDateTime getDate (void); + +/**Determine the time of sunset and sunrise for the current + *date and location settings. Convert the times to doubles, + *expressing the times as fractions of a full day. + *Calls AVTPlotWidget::setSunRiseSetTimes() to send the + *numbers to the plot widget. + */ + void computeSunRiseSetTimes(); + +/**Parse a string as an epoch number. If the string can't + *be parsed, return 2000.0. + *@param eName the epoch string to be parsed + *@return the epoch number + */ + double getEpoch (QString eName); + +/**@short Add a SkyObject to the display. + *Constructs a PLotObject representing the Alt-vs-time curve for the object. + *@param o pointer to the SkyObject to be added + *@param forceAdd if true, then the object will be added, even if there + *is already a curve for the same coordinates. + */ + void processObject( SkyObject *o, bool forceAdd=false ); + +/**@short Determine the altitude coordinate of a SkyPoint, + *given an hour of the day. + * + *This is called for every 30-minute interval in the displayed Day, + *in order to construct the altitude curve for a given object. + *@param p the skypoint whose altitude is to be found + *@param hour the time in the displayed day, expressed in hours + *@return the Altitude, expresse in degrees + */ + double findAltitude( SkyPoint *p, double hour ); + +/**@return the currently highlighted item in the list of displayed + *objects + */ + int currentPlotListItem() const; + +/**@return a pointer to the list of SkyPoints representing the + *objects being displayed. + */ + QPtrList<SkyPoint>* skyPointList() { return &pList; } + +public slots: +/**@short Update the plot to reflec new Date and Location settings. + */ + void slotUpdateDateLoc(void); + +/**@short Clear the list of displayed objects. + */ + void slotClear(void); + +/**@short Clear the edit boxes for specifying a new object. + */ + void slotClearBoxes(void); + +/**@short Add an object to the list of displayed objects, according + *to the data entered in the edit boxes. + */ + void slotAddSource(void); + +/**@short Launch the Find Object window to select a new object for + *the list of displayed objects. + */ + void slotBrowseObject(void); + +/**@short Launch the Location dialog to choose a new location. + */ + void slotChooseCity(void); + +/**@short Move input keyboard focus to the next logical widget. + *We need a separate slot for this because we are intercepting + *Enter key events, which close the window by default, to + *advance input focus instead (when the Enter events occur in + *certain Edit boxes). + */ + void slotAdvanceFocus(void); + +/**Update the plot to highlight the altitude curve of the objects + *which is highlighted in the listbox. + */ + void slotHighlight(void); + +private: + AVTPlotWidget *View; + AltVsTimeUI *avtUI; + QVBoxLayout *topLayout; + + GeoLocation *geo; + KStars *ks; + QPtrList<SkyPoint> pList; + QPtrList<SkyPoint> deleteList; + + int DayOffset; + bool dirtyFlag; +}; + +#endif // ALTVSTIME_H |