void CatalogComponent::update( KSNumbers * ) {
    if ( selected() ) {
        KStarsData *data = KStarsData::Instance();
        foreach ( SkyObject *obj, m_ObjectList ) {
            DeepSkyObject *dso  = dynamic_cast< DeepSkyObject * >( obj );
            StarObject *so = dynamic_cast< StarObject *>( obj );
            Q_ASSERT( dso || so ); // We either have stars, or deep sky objects
            if( dso ) {
                // Update the deep sky object if need be
                if ( dso->updateID != data->updateID() ) {
                    dso->updateID = data->updateID();
                    if ( dso->updateNumID != data->updateNumID() ) {
                        dso->updateCoords( data->updateNum() );

                    }
                    dso->EquatorialToHorizontal( data->lst(), data->geo()->lat() );
                }
            }
            else {
                // Do exactly the same thing for stars
                if ( so->updateID != data->updateID() ) {
                    so->updateID = data->updateID();
                    if ( so->updateNumID != data->updateNumID() ) {
                        so->updateCoords( data->updateNum() );
                    }
                    so->EquatorialToHorizontal( data->lst(), data->geo()->lat() );
                }
            }
        }
        this->updateID = data->updateID();
    }
Exemple #2
0
void DeepSkyComponent::loadData()
{

    KStarsData* data = KStarsData::Instance();
    //Check whether we need to concatenate a split NGC/IC catalog
    //(i.e., if user has downloaded the Steinicke catalog)
    mergeSplitFiles();

    QList< QPair<QString,KSParser::DataTypes> > sequence;
    QList<int> widths;
    sequence.append(qMakePair(QString("Flag"), KSParser::D_QSTRING));
    widths.append(1);

    sequence.append(qMakePair(QString("ID"), KSParser::D_INT));
    widths.append(4);

    sequence.append(qMakePair(QString("suffix"), KSParser::D_QSTRING));
    widths.append(1);

    sequence.append(qMakePair(QString("RA_H"), KSParser::D_INT));
    widths.append(2);

    sequence.append(qMakePair(QString("RA_M"),KSParser::D_INT));
    widths.append(2);

    sequence.append(qMakePair(QString("RA_S"),KSParser::D_FLOAT));
    widths.append(4);

    sequence.append(qMakePair(QString("D_Sign"),KSParser::D_QSTRING));
    widths.append(2);

    sequence.append(qMakePair(QString("Dec_d"),KSParser::D_INT));
    widths.append(2);

    sequence.append(qMakePair(QString("Dec_m"),KSParser::D_INT));
    widths.append(2);

    sequence.append(qMakePair(QString("Dec_s"),KSParser::D_INT));
    widths.append(2);

    sequence.append(qMakePair(QString("BMag"),KSParser::D_QSTRING));
    widths.append(6);

    sequence.append(qMakePair(QString("type"),KSParser::D_INT));
    widths.append(2);

    sequence.append(qMakePair(QString("a"),KSParser::D_FLOAT));
    widths.append(6);

    sequence.append(qMakePair(QString("b"),KSParser::D_FLOAT));
    widths.append(6);

    sequence.append(qMakePair(QString("pa"),KSParser::D_QSTRING));
    widths.append(4);

    sequence.append(qMakePair(QString("PGC"),KSParser::D_INT));
    widths.append(7);

    sequence.append(qMakePair(QString("other cat"),KSParser::D_QSTRING));
    widths.append(4);

    sequence.append(qMakePair(QString("other1"),KSParser::D_QSTRING));
    widths.append(6);

    sequence.append(qMakePair(QString("other2"),KSParser::D_QSTRING));
    widths.append(6);

    sequence.append(qMakePair(QString("Messr"),KSParser::D_QSTRING));
    widths.append(2);

    sequence.append(qMakePair(QString("MessrNum"),KSParser::D_INT));
    widths.append(4);

    sequence.append(qMakePair(QString("Longname"),KSParser::D_QSTRING));
    //No width to be appended for last sequence object

    QString file_name = KSPaths::locate(QStandardPaths::GenericDataLocation, QString("ngcic.dat") );
    KSParser deep_sky_parser(file_name, '#', sequence, widths);

    deep_sky_parser.SetProgress( i18n("Loading NGC/IC objects"), 13444, 10 );
    qDebug() << "Loading NGC/IC objects";

    QHash<QString,QVariant> row_content;
    while (deep_sky_parser.HasNextRow()) {
        row_content = deep_sky_parser.ReadNextRow();

        QString iflag;
        QString cat;
        iflag = row_content["Flag"].toString().mid( 0, 1 ); //check for NGC/IC catalog flag
        /*
        Q_ASSERT(iflag == "I" || iflag == "N" || iflag == " ");
        // (spacetime): ^ Why an assert? Change in implementation of ksparser
        //  might result in crash for no reason.
        // n.b. We also allow non-NGC/IC objects which have a blank iflag
        */

        float mag(1000.0);
        int type, ingc, imess(-1), pa;
        int pgc, ugc;
        QString ss, name, name2, longname;
        QString cat2;

        // Designation
        if ( iflag == "I" ) cat = "IC";
        else if ( iflag == "N" ) cat = "NGC";

        ingc = row_content["ID"].toInt();  // NGC/IC catalog number
        if ( ingc==0 ) cat.clear(); //object is not in NGC or IC catalogs

        QString suffix = row_content["suffix"].toString(); // multipliticity suffixes, eg: the 'A' in NGC 4945A

        Q_ASSERT( suffix.isEmpty() || ( suffix.at( 0 ) >= QChar( 'A' ) && suffix.at( 0 ) <= QChar( 'Z' ) ) || (suffix.at( 0 ) >= QChar( 'a' ) && suffix.at( 0 ) <= QChar( 'z' ) ) );

        //coordinates
        int rah = row_content["RA_H"].toInt();
        int ram = row_content["RA_M"].toInt();
        float ras = row_content["RA_S"].toFloat();
        QString sgn = row_content["D_Sign"].toString();
        int dd = row_content["Dec_d"].toInt();
        int dm = row_content["Dec_m"].toInt();
        int ds = row_content["Dec_s"].toInt();

        if ( !( (0.0 <= rah && rah < 24.0) ||
             (0.0 <= ram && ram < 60.0) ||
             (0.0 <= ras && ras < 60.0) ||
             (0.0 <= dd && dd <= 90.0) ||
             (0.0 <= dm && dm < 60.0) ||
               (0.0 <= ds && ds < 60.0) ) ) {
          qDebug() << "Bad coordinates while processing NGC/IC object: " << cat << ingc;
          qDebug() << "RA H:M:S = " << rah << ":" << ram << ":" << ras << "; Dec D:M:S = " << dd << ":" << dm << ":" << ds;
          Q_ASSERT( false );
        }

        //Ignore lines with no coordinate values if not debugging
        if (rah==0 && ram==0 && ras==0)
            continue;

        //B magnitude
        ss = row_content["BMag"].toString();
        if (ss == "") { mag = 99.9f; } else { mag = ss.toFloat(); }

        //object type
        type = row_content["type"].toInt();

        //major and minor axes
        float a = row_content["a"].toFloat();
        float b = row_content["b"].toFloat();

        //position angle.  The catalog PA is zero when the Major axis
        //is horizontal.  But we want the angle measured from North, so
        //we set PA = 90 - pa.
        ss = row_content["pa"].toString();
        if (ss == "" ) { pa = 90; } else { pa = 90 - ss.toInt(); }

        //PGC number
        pgc = row_content["PGC"].toInt();

        //UGC number
        if (row_content["other cat"].toString().trimmed() == "UGC") {
            ugc = row_content["other1"].toString().toInt();
        } else {
            ugc = 0;
        }

        //Messier number
        if ( row_content["Messr"].toString().trimmed() == "M" ) {
            cat2 = cat;
            if ( ingc == 0 ) cat2.clear();
            cat = 'M';
            imess = row_content["MessrNum"].toInt();
        }

        longname = row_content["Longname"].toString();

        dms r;
        r.setH( rah, ram, int(ras) );
        dms d( dd, dm, ds );

        if ( sgn == "-" ) { d.setD( -1.0*d.Degrees() ); }

        bool hasName = true;
        QString snum;
        if (cat=="IC" || cat=="NGC") {
            snum.setNum(ingc);
	    name = cat + ' ' + ( ( suffix.isEmpty() ) ? snum : ( snum + suffix ) );
        } else if (cat == "M") {
            snum.setNum( imess );
            name = cat + ' ' + snum; // Note: Messier has no suffixes
            if (cat2 == "NGC" || cat2 == "IC") {
                snum.setNum( ingc );
		name2 = cat2 + ' ' + ( ( suffix.isEmpty() ) ? snum : ( snum + suffix ) );
            } else {
                name2.clear();
            }
        }
        else {
            if (!longname.isEmpty()) name = longname;
            else {
                hasName = false;
                name = i18n( "Unnamed Object" );
            }
        }

        name = i18nc("object name (optional)", name.toLatin1().constData());
        if (!longname.isEmpty())
            longname = i18nc("object name (optional)", longname.toLatin1().constData());

        // create new deepskyobject
        DeepSkyObject *o = 0;
        if ( type==0 ) type = 1; //Make sure we use CATALOG_STAR, not STAR
        o = new DeepSkyObject( type, r, d, mag, name, name2, longname, cat, a, b, pa, pgc, ugc );
        o->EquatorialToHorizontal( data->lst(), data->geo()->lat() );

        // Add the name(s) to the nameHash for fast lookup -jbb
        if ( hasName) {
            nameHash[ name.toLower() ] = o;
            if ( ! longname.isEmpty() ) nameHash[ longname.toLower() ] = o;
            if ( ! name2.isEmpty() ) nameHash[ name2.toLower() ] = o;
        }

        Trixel trixel = m_skyMesh->index(o);

        //Assign object to general DeepSkyObjects list,
        //and a secondary list based on its catalog.
        m_DeepSkyList.append( o );
        appendIndex( o, &m_DeepSkyIndex, trixel );

        if ( o->isCatalogM()) {
            m_MessierList.append( o );
            appendIndex( o, &m_MessierIndex, trixel );
        }
        else if (o->isCatalogNGC() ) {
            m_NGCList.append( o );
            appendIndex( o, &m_NGCIndex, trixel );
        }
        else if ( o->isCatalogIC() ) {
            m_ICList.append( o );
            appendIndex( o, &m_ICIndex, trixel );
        }
        else {
            m_OtherList.append( o );
            appendIndex( o, &m_OtherIndex, trixel );
        }

        // JM: VERY INEFFICIENT. Disabling for now until we figure out how to deal with dups. QSet?
        //if ( ! name.isEmpty() && !objectNames(type).contains(name))
        if ( ! name.isEmpty() )
            objectNames(type).append( name );

        //Add long name to the list of object names
        //if ( ! longname.isEmpty() && longname != name  && !objectNames(type).contains(longname))
        if ( ! longname.isEmpty() && longname != name)
            objectNames(type).append( longname );

        deep_sky_parser.ShowProgress();
    }

    foreach(QStringList list, objectNames())
        list.removeDuplicates();
}