shfovexporter.cpp

/*
    SPDX-FileCopyrightText: 2011 Rafał Kułaga <rl.kulaga@gmail.com>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#include "Options.h"
 
#include "shfovexporter.h"
#include "starhopper.h"
#include "targetlistcomponent.h"
#include "kstarsdata.h"
#include "skymapcomposite.h"
#include "skymap.h"
#include "printingwizard.h"
 
ShFovExporter::ShFovExporter(PrintingWizard *wizard, SkyMap *map) : m_Map(map), m_ParentWizard(wizard)
{
}
 
bool ShFovExporter::calculatePath(const SkyPoint &src, const SkyPoint &dest, double fov, double maglim)
{
    m_Src  = src;
    m_Dest = dest;
 
    auto list = m_StarHopper.computePath(src, dest, fov, maglim);
    m_skyObjList = KSUtils::castStarObjListToSkyObjList(list);
    delete list;
 
    m_Path = *m_skyObjList;
    if (m_Path.isEmpty())
    {
        return false;
    }
 
    return true;
}
 
bool ShFovExporter::exportPath()
{
    KStarsData::Instance()->clock()->stop();
 
    if (m_Path.isEmpty())
    {
        return false;
    }
 
    // Show path on SkyMap
    TargetListComponent *t = KStarsData::Instance()->skyComposite()->getStarHopRouteList();
 
    t->list.reset(m_skyObjList);
 
    // Update SkyMap now
    m_Map->forceUpdate(true);
 
    // Capture FOV snapshots
    centerBetweenAndCapture(m_Src, *m_Path.at(0));
    for (int i = 0; i < m_Path.size() - 1; i++)
    {
        centerBetweenAndCapture(*m_Path.at(i), *m_Path.at(i + 1));
    }
    centerBetweenAndCapture(*m_Path.last(), m_Dest);
 
    return true;
}
 
void ShFovExporter::centerBetweenAndCapture(const SkyPoint &ptA, const SkyPoint &ptB)
{
    // Calculate RA and Dec coordinates of point between ptA and ptB
    dms ra(ptA.ra().Degrees() + 0.5 * (ptB.ra().Degrees() - ptA.ra().Degrees()));
    dms dec(ptA.dec().Degrees() + 0.5 * (ptB.dec().Degrees() - ptA.dec().Degrees()));
    SkyPoint between(ra, dec);
 
    // Center SkyMap
    m_Map->setClickedPoint(&between);
    m_Map->slotCenter();
 
    // Capture FOV snapshot
    m_ParentWizard->captureFov();
}