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Diffstat (limited to 'kstars/kstars/tools/jmoontool.cpp')
| -rw-r--r-- | kstars/kstars/tools/jmoontool.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/kstars/kstars/tools/jmoontool.cpp b/kstars/kstars/tools/jmoontool.cpp new file mode 100644 index 00000000..76d4aa67 --- /dev/null +++ b/kstars/kstars/tools/jmoontool.cpp @@ -0,0 +1,183 @@ +/*************************************************************************** + jmoontool.cpp - Display overhead view of the solar system + ------------------- + begin : Sun May 25 2003 + copyright : (C) 2003 by Jason Harris + email : jharris@30doradus.org + ***************************************************************************/ +/*************************************************************************** + * * + * 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. * + * * + ***************************************************************************/ + +#include <qlayout.h> +#include <qlabel.h> + +#include <kdebug.h> +#include <klocale.h> + +#include "jmoontool.h" +#include "jupitermoons.h" +#include "kstars.h" +#include "kstarsdata.h" +#include "ksplanet.h" +#include "simclock.h" +#include "planetcatalog.h" +#include "dms.h" +#include "ksnumbers.h" + +JMoonTool::JMoonTool(QWidget *parent, const char *name) + : KDialogBase( KDialogBase::Plain, i18n("Jupiter Moons Tool"), Close, Close, parent, name ) +{ + ksw = (KStars*)parent; + + QFrame *page = plainPage(); + QVBoxLayout *vlay = new QVBoxLayout( page, 0, 0 ); + + colJp = "White"; + colIo = "Red"; + colEu = "Yellow"; + colGn = "Orange"; + colCa = "YellowGreen"; + + QLabel *labIo = new QLabel( "Io", page ); + QLabel *labEu = new QLabel( "Europa", page ); + QLabel *labGn = new QLabel( "Ganymede", page ); + QLabel *labCa = new QLabel( "Callisto", page ); + + labIo->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ); + labEu->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ); + labGn->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ); + labCa->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ); + labIo->setAlignment( AlignHCenter ); + labEu->setAlignment( AlignHCenter ); + labGn->setAlignment( AlignHCenter ); + labCa->setAlignment( AlignHCenter ); + + labIo->setPaletteForegroundColor( colIo ); + labEu->setPaletteForegroundColor( colEu ); + labGn->setPaletteForegroundColor( colGn ); + labCa->setPaletteForegroundColor( colCa ); + labIo->setPaletteBackgroundColor( "Black" ); + labEu->setPaletteBackgroundColor( "Black" ); + labGn->setPaletteBackgroundColor( "Black" ); + labCa->setPaletteBackgroundColor( "Black" ); + + QGridLayout *glay = new QGridLayout( 2, 2, 0 ); + glay->addWidget( labIo, 0, 0 ); + glay->addWidget( labEu, 1, 0 ); + glay->addWidget( labGn, 0, 1 ); + glay->addWidget( labCa, 1, 1 ); + + pw = new KStarsPlotWidget( 0.0, 1.0, 0.0, 1.0, page ); + pw->setShowGrid( false ); + pw->setYAxisType0( KStarsPlotWidget::TIME ); + pw->setLimits( -12.0, 12.0, -240.0, 240.0 ); + pw->setXAxisLabel( i18n( "offset from Jupiter (arcmin)" ) ); + pw->setYAxisLabel( i18n( "time since now (days)" ) ); + vlay->addLayout( glay ); + vlay->addWidget( pw ); + resize( 250, 500 ); + + initPlotObjects(); + update(); +} + +JMoonTool::~JMoonTool() +{ +} + +void JMoonTool::initPlotObjects() { + KPlotObject *orbit[4]; + KPlotObject *jpath; + long double jd0 = ksw->data()->ut().djd(); + KSSun *ksun = (KSSun*)ksw->data()->PCat->findByName( "Sun" ); + KSPlanet *jup = (KSPlanet*)ksw->data()->PCat->findByName( "Jupiter" ); + JupiterMoons jm; + + if ( pw->objectCount() ) pw->clearObjectList(); + + orbit[0] = new KPlotObject( "io", colIo, KPlotObject::CURVE, 1, KPlotObject::SOLID ); + orbit[1] = new KPlotObject( "europa", colEu, KPlotObject::CURVE, 1, KPlotObject::SOLID ); + orbit[2] = new KPlotObject( "ganymede", colGn, KPlotObject::CURVE, 1, KPlotObject::SOLID ); + orbit[3] = new KPlotObject( "callisto", colCa, KPlotObject::CURVE, 1, KPlotObject::SOLID ); + jpath = new KPlotObject( "jupiter", colJp, KPlotObject::CURVE, 1, KPlotObject::SOLID ); + + double dy = 0.01*pw->dataHeight(); + + //t is the offset from jd0, in hours. + for ( double t=pw->y(); t<=pw->y2(); t+=dy ) { + KSNumbers num( jd0 + t/24.0 ); + jm.findPosition( &num, jup, ksun ); + + //jm.x(i) tells the offset from Jupiter, in units of Jupiter's angular radius. + //multiply by 0.5*jup->angSize() to get arcminutes + for ( unsigned int i=0; i<4; ++i ) + orbit[i]->addPoint( new DPoint( 0.5*jup->angSize()*jm.x(i), t ) ); + + jpath->addPoint( new DPoint( 0.0, t ) ); + } + + for ( unsigned int i=0; i<4; ++i ) + pw->addObject( orbit[i] ); + + pw->addObject( jpath ); +} + +void JMoonTool::keyPressEvent( QKeyEvent *e ) { + switch ( e->key() ) { + case Key_BracketRight: + { + double dy = 0.02*pw->dataHeight(); + pw->setLimits( pw->x(), pw->x2(), pw->y()+dy, pw->y2()+dy ); + initPlotObjects(); + pw->update(); + break; + } + case Key_BracketLeft: + { + double dy = 0.02*pw->dataHeight(); + pw->setLimits( pw->x(), pw->x2(), pw->y()-dy, pw->y2()-dy ); + initPlotObjects(); + pw->update(); + break; + } + case Key_Plus: + case Key_Equal: + { + if ( pw->dataHeight() > 48.0 ) { + double dy = 0.45*pw->dataHeight(); + double y0 = pw->y() + 0.5*pw->dataHeight(); + pw->setLimits( pw->x(), pw->x2(), y0-dy, y0+dy ); + initPlotObjects(); + pw->update(); + } + break; + } + case Key_Minus: + case Key_Underscore: + { + if ( pw->dataHeight() < 960.0 ) { + double dy = 0.55*pw->dataHeight(); + double y0 = pw->y() + 0.5*pw->dataHeight(); + pw->setLimits( pw->x(), pw->x2(), y0-dy, y0+dy ); + initPlotObjects(); + pw->update(); + } + break; + } + case Key_Escape: + { + close(); + break; + } + + default: { e->ignore(); break; } + } +} + +#include "jmoontool.moc" |