noprecessindex.cpp

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/***************************************************************************
                       noprecessindex.h  -  K Desktop Planetarium
                             -------------------
    begin                : 2007-08-04
    copyright            : (C) 2007 James B. Bowlin
    email                : kstars@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 "noprecessindex.h"
#include "Options.h"
#include "skyobjects/skypoint.h"
#include "kstarsdata.h"
#include "linelist.h"

NoPrecessIndex::NoPrecessIndex( SkyComposite *parent, const QString& name ) :
    LineListIndex( parent, name )
{}

// Don't precess the points, just account for the Earth's rotation
void NoPrecessIndex::JITupdate( LineList* lineList )
{
    KStarsData *data = KStarsData::Instance();
    lineList->updateID = data->updateID();
    SkyList* points = lineList->points();
    for (int i = 0; i < points->size(); i++ ) {
        points->at( i )->EquatorialToHorizontal( data->lst(), data->geo()->lat() );
    }
}