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00017 #include <qlayout.h>
00018 #include <qlabel.h>
00019
00020 #include <kdebug.h>
00021 #include <klocale.h>
00022
00023 #include "jmoontool.h"
00024 #include "jupitermoons.h"
00025 #include "kstars.h"
00026 #include "kstarsdata.h"
00027 #include "ksplanet.h"
00028 #include "simclock.h"
00029 #include "planetcatalog.h"
00030 #include "dms.h"
00031 #include "ksnumbers.h"
00032
00033 JMoonTool::JMoonTool(QWidget *parent, const char *name)
00034 : KDialogBase( KDialogBase::Plain, i18n("Jupiter Moons Tool"), Close, Close, parent, name )
00035 {
00036 ksw = (KStars*)parent;
00037
00038 QFrame *page = plainPage();
00039 QVBoxLayout *vlay = new QVBoxLayout( page, 0, 0 );
00040
00041 colJp = "White";
00042 colIo = "Red";
00043 colEu = "Yellow";
00044 colGn = "Orange";
00045 colCa = "YellowGreen";
00046
00047 QLabel *labIo = new QLabel( "Io", page );
00048 QLabel *labEu = new QLabel( "Europa", page );
00049 QLabel *labGn = new QLabel( "Ganymede", page );
00050 QLabel *labCa = new QLabel( "Callisto", page );
00051
00052 labIo->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
00053 labEu->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
00054 labGn->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
00055 labCa->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
00056 labIo->setAlignment( AlignHCenter );
00057 labEu->setAlignment( AlignHCenter );
00058 labGn->setAlignment( AlignHCenter );
00059 labCa->setAlignment( AlignHCenter );
00060
00061 labIo->setPaletteForegroundColor( colIo );
00062 labEu->setPaletteForegroundColor( colEu );
00063 labGn->setPaletteForegroundColor( colGn );
00064 labCa->setPaletteForegroundColor( colCa );
00065 labIo->setPaletteBackgroundColor( "Black" );
00066 labEu->setPaletteBackgroundColor( "Black" );
00067 labGn->setPaletteBackgroundColor( "Black" );
00068 labCa->setPaletteBackgroundColor( "Black" );
00069
00070 QGridLayout *glay = new QGridLayout( 2, 2, 0 );
00071 glay->addWidget( labIo, 0, 0 );
00072 glay->addWidget( labEu, 1, 0 );
00073 glay->addWidget( labGn, 0, 1 );
00074 glay->addWidget( labCa, 1, 1 );
00075
00076 pw = new KStarsPlotWidget( 0.0, 1.0, 0.0, 1.0, page );
00077 pw->setShowGrid( false );
00078 pw->setYAxisType0( KStarsPlotWidget::TIME );
00079 pw->setLimits( -12.0, 12.0, -240.0, 240.0 );
00080 pw->setXAxisLabel( i18n( "offset from Jupiter (arcmin)" ) );
00081 pw->setYAxisLabel( i18n( "time since now (days)" ) );
00082 vlay->addLayout( glay );
00083 vlay->addWidget( pw );
00084 resize( 250, 500 );
00085
00086 initPlotObjects();
00087 update();
00088 }
00089
00090 JMoonTool::~JMoonTool()
00091 {
00092 }
00093
00094 void JMoonTool::initPlotObjects() {
00095 KPlotObject *orbit[4];
00096 KPlotObject *jpath;
00097 long double jd0 = ksw->data()->ut().djd();
00098 KSSun *ksun = (KSSun*)ksw->data()->PCat->findByName( "Sun" );
00099 KSPlanet *jup = (KSPlanet*)ksw->data()->PCat->findByName( "Jupiter" );
00100 JupiterMoons jm;
00101
00102 if ( pw->objectCount() ) pw->clearObjectList();
00103
00104 orbit[0] = new KPlotObject( "io", colIo, KPlotObject::CURVE, 1, KPlotObject::SOLID );
00105 orbit[1] = new KPlotObject( "europa", colEu, KPlotObject::CURVE, 1, KPlotObject::SOLID );
00106 orbit[2] = new KPlotObject( "ganymede", colGn, KPlotObject::CURVE, 1, KPlotObject::SOLID );
00107 orbit[3] = new KPlotObject( "callisto", colCa, KPlotObject::CURVE, 1, KPlotObject::SOLID );
00108 jpath = new KPlotObject( "jupiter", colJp, KPlotObject::CURVE, 1, KPlotObject::SOLID );
00109
00110 double dy = 0.01*pw->dataHeight();
00111
00112
00113 for ( double t=pw->y(); t<=pw->y2(); t+=dy ) {
00114 KSNumbers num( jd0 + t/24.0 );
00115 jm.findPosition( &num, jup, ksun );
00116
00117
00118
00119 for ( unsigned int i=0; i<4; ++i )
00120 orbit[i]->addPoint( new DPoint( 0.5*jup->angSize()*jm.x(i), t ) );
00121
00122 jpath->addPoint( new DPoint( 0.0, t ) );
00123 }
00124
00125 for ( unsigned int i=0; i<4; ++i )
00126 pw->addObject( orbit[i] );
00127
00128 pw->addObject( jpath );
00129 }
00130
00131 void JMoonTool::keyPressEvent( QKeyEvent *e ) {
00132 switch ( e->key() ) {
00133 case Key_BracketRight:
00134 {
00135 double dy = 0.02*pw->dataHeight();
00136 pw->setLimits( pw->x(), pw->x2(), pw->y()+dy, pw->y2()+dy );
00137 initPlotObjects();
00138 pw->update();
00139 break;
00140 }
00141 case Key_BracketLeft:
00142 {
00143 double dy = 0.02*pw->dataHeight();
00144 pw->setLimits( pw->x(), pw->x2(), pw->y()-dy, pw->y2()-dy );
00145 initPlotObjects();
00146 pw->update();
00147 break;
00148 }
00149 case Key_Plus:
00150 case Key_Equal:
00151 {
00152 if ( pw->dataHeight() > 48.0 ) {
00153 double dy = 0.45*pw->dataHeight();
00154 double y0 = pw->y() + 0.5*pw->dataHeight();
00155 pw->setLimits( pw->x(), pw->x2(), y0-dy, y0+dy );
00156 initPlotObjects();
00157 pw->update();
00158 }
00159 break;
00160 }
00161 case Key_Minus:
00162 case Key_Underscore:
00163 {
00164 if ( pw->dataHeight() < 960.0 ) {
00165 double dy = 0.55*pw->dataHeight();
00166 double y0 = pw->y() + 0.5*pw->dataHeight();
00167 pw->setLimits( pw->x(), pw->x2(), y0-dy, y0+dy );
00168 initPlotObjects();
00169 pw->update();
00170 }
00171 break;
00172 }
00173 case Key_Escape:
00174 {
00175 close();
00176 break;
00177 }
00178
00179 default: { e->ignore(); break; }
00180 }
00181 }
00182
00183 #include "jmoontool.moc"
KDE 3.5 API Reference 