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/***************************************************************************
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"
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