Adding platesolving

CMakeLists.txt

@@ -101,6 +101,7 @@ if(STELLARSOLVER_INCLUDE AND STELLARSOLVER_LIB)
     target_sources(tenmon PRIVATE
         solver.cpp solver.h
         platesolving.cpp platesolving.h platesolving.ui
+        platesolvingsettings.cpp platesolvingsettings.h platesolvingsettings.ui
     )
 endif(STELLARSOLVER_INCLUDE AND STELLARSOLVER_LIB)
 

httpdownloader.cpp

@@ -2,7 +2,11 @@
 #include <QNetworkReply>
 #include <QDebug>
 #include <QRegularExpression>
+#include <QFileInfo>
+
+#ifdef PLATESOLVER
 #include "solver.h"
+#endif
 
 // filename             arcseconds range
 // index-4119.fits      1400–2000
@@ -135,7 +139,7 @@ static const QMap<QString, QByteArray> md5 = {
     {"index-5202-45.fits.zst", "83fe2cff3cf65317f5c1bf7b953519e9"},
     {"index-5202-46.fits.zst", "f12f308a3b53d95ffd7bc420700e4f44"},
     {"index-5202-47.fits.zst", "608a14303810c9762b25fc68896d2a26"},
-    {"index-5203-00.fits.zst", "155217faa535550c1d7e499145750bb0"},
+    {"index-5203-00.fits.zst", "2862efb33765b7bbefb635dcad970298"},
     {"index-5203-01.fits.zst", "2cd34cef4b44ad1e770396baccb2a46c"},
     {"index-5203-02.fits.zst", "40c9f67282210cc374281cde023c4e71"},
     {"index-5203-03.fits.zst", "c8f40e164ec3ce1df92e3a121a127716"},
@@ -368,20 +372,32 @@ void Download::readData()
 
 void Download::finished()
 {
-    QByteArray data = _reply->readAll();
+    if(_reply->error() == QNetworkReply::NoError)
-    qDebug() << "finished" << data.size();
-    decompress(data);
-
-    if(md5.contains(_reply->url().fileName()))
     {
-        if(_hash.result().toHex() == md5[_reply->url().fileName()])
+        QByteArray data = _reply->readAll();
-            qDebug() << "DOWNLOAD OK";
+        qDebug() << "finished" << data.size();
-        else
+        decompress(data);
-            qDebug() << "DOWNLOAD BAD";
-    }
 
-    _fw.flush();
+        if(md5.contains(_reply->url().fileName()))
-    _fw.close();
+        {
+            if(_hash.result().toHex() == md5[_reply->url().fileName()])
+                qDebug() << "DOWNLOAD OK";
+            else
+            {
+                qDebug() << "DOWNLOAD BAD";
+                _fw.remove();
+                return;
+            }
+        }
+
+        _fw.flush();
+        _fw.close();
+    }
+    else
+    {
+        qDebug() << "Failed to perform http request" << _reply->url();
+        _fw.remove();
+    }
 }
 
 void Download::decompress(QByteArray &data)
@@ -413,7 +429,9 @@ void Download::decompress(QByteArray &data)
 HttpDownloader::HttpDownloader(QObject *parent) : QObject(parent)
     ,_manager(new QNetworkAccessManager(this))
 {
+    _manager->setAutoDeleteReplies(true);
     connect(_manager, &QNetworkAccessManager::finished, this, &HttpDownloader::finished);
+#ifdef PLATESOLVER
     QDir dir(Solver::getTenmonIndexPath());
     if(!dir.exists())
     {
@@ -422,6 +440,7 @@ HttpDownloader::HttpDownloader(QObject *parent) : QObject(parent)
     }
 
     _indexPath = dir.absolutePath();
+#endif
 }
 
 void HttpDownloader::download(const QUrl &url)
@@ -437,17 +456,17 @@ bool HttpDownloader::downloadIndex(int scale)
         return false;
 
     QUrl url("https://nouspiro.space/");
+    QStringList files = indexFileNames(scale);
 
-    if(scale >= 7)
+    for(auto &file : files)
     {
-        url.setPath(QString("/astrometry/index-%1.fits.zst").arg(4100 + scale));
+        if(QFile::exists(_indexPath + "/" + file))
-        download(url);
-    }
-    else
-    {
-        for(int i=0; i<48; i++)
         {
-            url.setPath(QString("/astrometry/index-%1-%2.fits.zst").arg(5200 + scale).arg(i, 2, 10, QChar('0')));
+            qDebug() << "File already exists, skipping" << file;
+        }
+        else
+        {
+            url.setPath("/astrometry/" + file + ".zst");
             download(url);
         }
     }
@@ -460,6 +479,22 @@ void HttpDownloader::abort()
         _download->abort();
 }
 
+QStringList HttpDownloader::indexFileNames(int scale)
+{
+    QStringList ret;
+
+    if(scale >= 7)
+    {
+        ret.append(QString("index-%1.fits").arg(4100 + scale));
+    }
+    else
+    {
+        for(int i=0; i<48; i++)
+            ret.append(QString("index-%1-%2.fits").arg(5200 + scale).arg(i, 2, 10, QChar('0')));
+    }
+    return ret;
+}
+
 void HttpDownloader::finished()
 {
     if(_queue.isEmpty())
@@ -478,7 +513,6 @@ void HttpDownloader::finished()
             return;
         }
         QNetworkRequest request(url);
-        _download->deleteLater();
         _download = new Download(_manager->get(request), _indexPath, this);
         connect(_download, &Download::progress, this, &HttpDownloader::updateProgress);
     }

httpdownloader.h

@@ -41,6 +41,7 @@ public:
     // scale in range 19-1
     bool downloadIndex(int scale);
     void abort();
+    static QStringList indexFileNames(int scale);
 signals:
     void progress(int percent, int files);
 protected slots:

imageinfo.cpp

@@ -257,6 +257,33 @@ void WCSDataT::calculateBounds(double &minRa, double &maxRa, double &minDec, dou
     }
 }
 
+double hav(double x)
+{
+    return (1.0 - std::cos(x)) * 0.5;
+}
+
+double haverSine(const SkyPoint &a, SkyPoint &b)
+{
+    const double ToRAD = M_PI / 180.0;
+    double d = hav((a.DEC() - b.DEC()) * ToRAD) + std::cos(a.DEC() * ToRAD) * std::cos(b.DEC() * ToRAD) * hav((a.RA() - b.RA()) * ToRAD);
+    return std::acos(1.0 - 2.0 * d) * (180.0 / M_PI);
+}
+
+SkyPointScale WCSDataT::getRaDecScale() const
+{
+    SkyPointScale ret;
+    pixelToWorld(QPointF(width/2.0, height/2.0), ret.point);
+    SkyPoint pointX;
+    SkyPoint pointY;
+    pixelToWorld(QPointF(width/2.0+1, height/2.0), pointX);
+    pixelToWorld(QPointF(width/2.0, height/2.0+1), pointY);
+    double scaleX = haverSine(ret.point, pointX) * 3600.0;
+    double scaleY = haverSine(ret.point, pointY) * 3600.0;
+    ret.scaleLow = std::min(scaleX, scaleY);
+    ret.scaleHigh = std::max(scaleX, scaleY);
+    return ret;
+}
+
 SkyPoint::SkyPoint() : ra(NAN), dec(NAN)
 {
 }
@@ -284,3 +311,118 @@ QString SkyPoint::toString() const
     sec = std::modf(min, &min) * 60;
     return QString("RA: %1 DEC: %2° %3' %4\"").arg(t.toString("HH'h' mm'm' ss's'")).arg(deg, 2, 'f', 0, '0').arg(min, 2, 'f', 0, '0').arg(sec, 2, 'f', 0, '0');
 }
+
+double SkyPoint::fromHMS(const QString &hms)
+{
+    double deg = fromDMS(hms);
+    if(std::isnan(deg))return deg;
+    return deg * 15.0;
+}
+
+double SkyPoint::fromDMS(const QString &dms)
+{
+    double deg = 0.0;
+    QString str = dms.trimmed();
+    str.remove(QRegularExpression("[hdms°'\"]"));
+    str.replace(':', ' ');
+    str.replace(QRegularExpression("\\s+"), " ");
+    QStringList fields = str.split(' ');
+    double sign = 1.0;
+
+    bool ok = false;
+    if(fields.size() >= 1)
+        deg = fields.at(0).toDouble(&ok);
+    if(!ok)return NAN;
+    if(deg < 0.0)
+        sign = -1.0;
+    if(fields.size() >= 2)
+        deg += sign * fields.at(1).toDouble() / 60.0;
+    if(fields.size() >= 3)
+        deg += sign * fields.at(2).toDouble() / 3600.0;
+
+    return deg;
+}
+
+SkyPointScale ImageInfoData::getCenterRaDec() const
+{
+    SkyPointScale ret;
+    if(wcs && wcs->valid())
+    {
+        ret = wcs->getRaDecScale();
+    }
+    else
+    {
+        double ra,dec,focalLen,scale,pixSizeX,pixSizeY;
+        int binX = 1;
+        int binY = 1;
+        ra = dec = focalLen = scale = pixSizeX = pixSizeY = NAN;
+        bool ok;
+        for(const FITSRecord &header : fitsHeader)
+        {
+            if(header.key == "OBJCTRA")
+            {
+                double tmp = SkyPoint::fromHMS(header.value.toString());
+                if(!std::isnan(tmp))ra = tmp;
+            }
+            else if(header.key == "RA" && std::isnan(ra))
+            {
+                double tmp = header.value.toDouble(&ok);
+                if(ok)ra = tmp;
+            }
+            else if(header.key == "OBJCTDEC")
+            {
+                double tmp = SkyPoint::fromDMS(header.value.toString());
+                if(!std::isnan(tmp))dec = tmp;
+            }
+            else if(header.key == "DEC" && std::isnan(dec))
+            {
+                double tmp = SkyPoint::fromDMS(header.value.toString());
+                if(!std::isnan(tmp))dec = tmp;
+            }
+            else if(header.key == "SCALE")
+            {
+                double tmp = header.value.toDouble(&ok);
+                if(ok)scale = tmp;
+            }
+            else if(header.key == "FOCALLEN")
+            {
+                double tmp = header.value.toDouble(&ok);
+                if(ok)focalLen = tmp;
+            }
+            else if(header.key == "PIXSIZE1" || header.key == "XPIXSZ")
+            {
+                pixSizeX = header.value.toDouble();
+            }
+            else if(header.key == "PIXSIZE2" || header.key == "YPIXSZ")
+            {
+                pixSizeY = header.value.toDouble();
+            }
+            else if(header.key == "XBINNING")
+            {
+                int tmp = header.value.toInt(&ok);
+                if(ok)binX = tmp;
+            }
+            else if(header.key == "YBINNING")
+            {
+                int tmp = header.value.toInt(&ok);
+                if(ok)binY = tmp;
+            }
+        }
+
+        ret.point.set(ra, dec);
+        if(!std::isnan(scale))
+        {
+            ret.scaleLow = ret.scaleHigh = scale;
+        }
+        else if(!(std::isnan(focalLen) || std::isnan(pixSizeX) || std::isnan(pixSizeY)))
+        {
+            const double r = 206.2648097656; // (180 * 3600) / (1000 * pi) magic number to convert pixel size to focal length ratio to arcsec.
+            ret.scaleLow = std::min(pixSizeX * binX / focalLen * r, pixSizeY * binY / focalLen * r);
+            ret.scaleHigh = std::max(pixSizeX * binX / focalLen * r, pixSizeY * binY / focalLen * r);
+        }
+    }
+
+    ret.scaleLow *= 0.8;
+    ret.scaleHigh *= 1.2;
+    return ret;
+}

imageinfo.h

@@ -31,8 +31,19 @@ public:
     SkyPoint(double ra, double dec);
     void set(double ra, double dec);
     double RA() const { return ra; }
+    double RAHour() const { return ra / 15.0; }
     double DEC() const { return dec; }
     QString toString() const;
+    static double fromHMS(const QString &hms);
+    static double fromDMS(const QString &dms);
+};
+
+struct SkyPointScale
+{
+    SkyPoint point;
+    //arcsec per pixel
+    double scaleLow = 0.0;
+    double scaleHigh = 10000.0;
 };
 
 class WCSDataT
@@ -51,6 +62,7 @@ public:
     bool worldToPixel(const SkyPoint &point, QPointF &pixel) const;
     void calculateBounds(double &minRa, double &maxRa, double &minDec, double &maxDec, double &crVal1, double &crVal2) const;
     bool valid() const { return wcs; };
+    SkyPointScale getRaDecScale() const;
 };
 
 struct ImageInfoData
@@ -58,6 +70,7 @@ struct ImageInfoData
     QVector<FITSRecord> fitsHeader;
     QVector<QPair<QString, QString>> info;
     std::shared_ptr<WCSDataT> wcs;
+    SkyPointScale getCenterRaDec() const;
 };
 
 Q_DECLARE_METATYPE(ImageInfoData);

mainwindow.cpp

@@ -108,8 +108,10 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     m_databaseView = new DataBaseView(m_database, this);
     connect(m_databaseView, SIGNAL(loadFile(QString)), this, SLOT(loadFile(QString)));
 
+#ifdef PLATESOLVER
     _plateSolving = new PlateSolving(this);
     addDockWidget(Qt::RightDockWidgetArea, _plateSolving);
+#endif
 
     addToolBar(Qt::TopToolBarArea, m_stretchPanel);
 
@@ -146,7 +148,9 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     connect(m_ringList, &ImageRingList::thumbnailLoaded, m_image, &ImageScrollArea::thumbnailLoaded);
     connect(m_ringList, &ImageRingList::pixmapLoaded, m_stretchPanel, &StretchToolbar::imageLoaded);
     connect(m_ringList, &ImageRingList::pixmapLoaded, histogram, &Histogram::imageLoaded);
+#ifdef PLATESOLVER
     connect(m_ringList, &ImageRingList::pixmapLoaded, _plateSolving, &PlateSolving::imageLoaded);
+#endif
     connect(m_image, &ImageScrollArea::fileDropped, this, static_cast<void (MainWindow::*)(const QString &)>(&MainWindow::loadFile));
 
     QMenu *fileMenu = new QMenu(tr("File"), this);
@@ -255,7 +259,9 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     dockMenu->addAction(databaseViewDock->toggleViewAction());
     dockMenu->addAction(filetreeDock->toggleViewAction());
     dockMenu->addAction(histogramDock->toggleViewAction());
+#ifdef PLATESOLVER
     dockMenu->addAction(_plateSolving->toggleViewAction());
+#endif
     menuBar()->addMenu(dockMenu);
 
     QMenu *helpMenu = menuBar()->addMenu(tr("Help"));

platesolving.cpp

@@ -1,45 +1,61 @@
 #include "platesolving.h"
+#include <QSettings>
 #include "ui_platesolving.h"
 #include "solver.h"
 #include "imageringlist.h"
+#include "platesolvingsettings.h"
 
 PlateSolving::PlateSolving(QWidget *parent)
     : QDockWidget(parent)
-    , ui(new Ui::PlateSolving)
+    , _ui(new Ui::PlateSolving)
 {
-    ui->setupUi(this);
+    _ui->setupUi(this);
 
     _solver = new Solver(this);
-
+    QSettings settings;
+    _solver->setIndexFolder(settings.value("platesolving/indexPath", Solver::getTenmonIndexPath()).toString());
     auto profiles = StellarSolver::getBuiltInProfiles();
+    int profileIdx = settings.value("platesolving/profile", 0).toInt();
+    _solver->setParameters(profiles[profileIdx]);
+
     for(auto &profile : profiles)
     {
-        ui->profileComboBox->addItem(profile.listName);
+        _ui->profileComboBox->addItem(profile.listName);
     }
+    _ui->profileComboBox->setCurrentIndex(profileIdx);
+    _ui->scaleUnit->setCurrentIndex(settings.value("platesolving/scaleUnit", 1).toInt());
 
-    connect(ui->profileComboBox, &QComboBox::currentIndexChanged, [this](int index){
+    connect(_ui->profileComboBox, &QComboBox::currentIndexChanged, [this](int index){
         auto profiles = StellarSolver::getBuiltInProfiles();
         _solver->setParameters(profiles[index]);
     });
 
-    connect(ui->extractButton, &QPushButton::clicked, this, &PlateSolving::extract);
+    connect(_ui->extractButton, &QPushButton::clicked, this, &PlateSolving::extract);
-    connect(ui->solveButton, &QPushButton::clicked, this, &PlateSolving::solve);
+    connect(_ui->solveButton, &QPushButton::clicked, this, &PlateSolving::solve);
+    connect(_ui->settingsButton, &QPushButton::clicked, this, &PlateSolving::settings);
     connect(_solver, &Solver::solvingDone, this, &PlateSolving::solvingDone);
     connect(_solver, &Solver::extractionDone, this, &PlateSolving::extractionDone);
+    connect(_solver, &Solver::logOutput, [this](const QString &log){ _ui->log->appendPlainText(log); });
 }
 
 PlateSolving::~PlateSolving()
 {
-    delete ui;
+    QSettings settings;
+    settings.setValue("platesolving/profile", _ui->profileComboBox->currentIndex());
+    settings.setValue("platesolving/scaleUnit", _ui->scaleUnit->currentIndex());
+    delete _ui;
 }
 
 void PlateSolving::extract()
 {
-    ui->solveButton->setDisabled(true);
+    if(!_rawImage)return;
-    ui->extractButton->setDisabled(true);
+    _ui->solveButton->setDisabled(true);
+    _ui->extractButton->setDisabled(true);
+    _ui->log->clear();
 
     _solver->loadImage(_rawImage, _path);
-    _solver->extractSources(ui->withHFR->isChecked());
+    _solvingTime.start();
+    _solver->extractSources(_ui->withHFR->isChecked());
 }
 
 void PlateSolving::extractionDone()
@@ -61,49 +77,92 @@ void PlateSolving::extractionDone()
         hfr /= size;
     }
 
-    ui->stars->setText(QString::number(stars.size()));
+    _ui->stars->setText(QString::number(stars.size()));
-    ui->hfr->setText(QString("%1 %2x%3").arg(hfr).arg(a).arg(b));
+    _ui->hfr->setText(QString("%1 %2x%3").arg(hfr).arg(a).arg(b));
+    _ui->log->appendPlainText(QString("Extraction finished in %1 ms").arg(_solvingTime.elapsed()));
 
-    ui->solveButton->setDisabled(false);
+    _ui->solveButton->setDisabled(false);
-    ui->extractButton->setDisabled(false);
+    _ui->extractButton->setDisabled(false);
 }
 
 void PlateSolving::solve()
 {
-    ui->solveButton->setDisabled(true);
+    if(!_rawImage)return;
-    ui->extractButton->setDisabled(true);
+    _ui->solveButton->setDisabled(true);
+    _ui->extractButton->setDisabled(true);
+    _ui->log->clear();
 
     _solver->loadImage(_rawImage, _path);
+    if(_ui->usePosition->isChecked())
+        _solver->setSearchPosition(_ui->raStart->value(), _ui->decStart->value());
+
+    if(_ui->useScale->isChecked())
+    {
+        SSolver::ScaleUnits scaleUnit;
+        switch(_ui->scaleUnit->currentIndex())
+        {
+        default:
+        case 0:
+            scaleUnit = SSolver::ScaleUnits::DEG_WIDTH; break;
+        case 1:
+            scaleUnit = SSolver::ScaleUnits::ARCMIN_WIDTH; break;
+        case 2:
+            scaleUnit = SSolver::ScaleUnits::ARCSEC_PER_PIX; break;
+        case 3:
+            scaleUnit = SSolver::ScaleUnits::FOCAL_MM; break;
+        }
+        _solver->setSearchScale(_ui->fovLow->value(), _ui->fovHigh->value(), scaleUnit);
+    }
+    _solvingTime.start();
     _solver->solveImage();
 }
 
 void PlateSolving::solvingDone()
 {
-    ui->solveButton->setDisabled(false);
+    _ui->solveButton->setDisabled(false);
-    ui->extractButton->setDisabled(false);
+    _ui->extractButton->setDisabled(false);
 
     auto solution = _solver->getSolution();
-    ui->ra->setText(QString::number(solution.ra));
+    _ui->ra->setText(QString::number(solution.ra));
-    ui->dec->setText(QString::number(solution.dec));
+    _ui->dec->setText(QString::number(solution.dec));
-    ui->orientation->setText(QString::number(solution.orientation));
+    _ui->orientation->setText(QString::number(solution.orientation));
-    ui->fieldWidth->setText(QString::number(solution.fieldWidth));
+    _ui->fieldWidth->setText(QString::number(solution.fieldWidth));
-    ui->fieldHeight->setText(QString::number(solution.fieldHeight));
+    _ui->fieldHeight->setText(QString::number(solution.fieldHeight));
-    ui->pixelScale->setText(QString::number(solution.pixscale));
+    _ui->pixelScale->setText(QString::number(solution.pixscale));
+    _ui->log->appendPlainText(QString("Solving finished in %1 ms").arg(_solvingTime.elapsed()));
 }
 
 void PlateSolving::imageLoaded(Image *image)
 {
-    if(image)
+    if(image && image->rawImage())
     {
         _rawImage = image->rawImage();
         _path = image->name();
-        ui->ra->clear();
+        _ui->ra->clear();
-        ui->dec->clear();
+        _ui->dec->clear();
-        ui->orientation->clear();
+        _ui->orientation->clear();
-        ui->fieldWidth->clear();
+        _ui->fieldWidth->clear();
-        ui->fieldHeight->clear();
+        _ui->fieldHeight->clear();
-        ui->pixelScale->clear();
+        _ui->pixelScale->clear();
-        ui->hfr->clear();
+        _ui->hfr->clear();
-        ui->stars->clear();
+        _ui->stars->clear();
+
+        const ImageInfoData &info = image->info();
+        SkyPointScale pointScale = info.getCenterRaDec();
+        if(!std::isnan(pointScale.point.RA()) && !std::isnan(pointScale.point.DEC()))
+        {
+            _ui->raStart->setValue(pointScale.point.RAHour());
+            _ui->decStart->setValue(pointScale.point.DEC());
+        }
+
+        _ui->scaleUnit->setCurrentIndex(2);
+        _ui->fovLow->setValue(pointScale.scaleLow);
+        _ui->fovHigh->setValue(pointScale.scaleHigh);
     }
 }
+
+void PlateSolving::settings()
+{
+    PlateSolvingSettings settings(this);
+    settings.exec();
+}

platesolving.h

@@ -1,6 +1,7 @@
 #ifndef PLATESOLVING_H
 #define PLATESOLVING_H
 
+#include "qelapsedtimer.h"
 #include <QDockWidget>
 
 class Solver;
@@ -17,6 +18,7 @@ class PlateSolving : public QDockWidget
     Solver *_solver;
     std::shared_ptr<RawImage> _rawImage;
     QString _path;
+    QElapsedTimer _solvingTime;
 public:
     explicit PlateSolving(QWidget *parent = nullptr);
     ~PlateSolving();
@@ -27,8 +29,9 @@ public slots:
     void solve();
     void solvingDone();
     void imageLoaded(Image *image);
+    void settings();
 private:
-    Ui::PlateSolving *ui;
+    Ui::PlateSolving *_ui;
 };
 
 #endif // PLATESOLVING_H

platesolving.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>571</width>
+    <width>860</width>
-    <height>472</height>
+    <height>700</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -30,153 +30,315 @@
      </layout>
     </item>
     <item>
-     <layout class="QGridLayout" name="gridLayout">
+     <widget class="QGroupBox" name="groupBox_2">
-      <item row="1" column="2">
+      <property name="title">
-       <widget class="QLabel" name="label_3">
+       <string>Start point</string>
-        <property name="text">
+      </property>
-         <string>Field height</string>
+      <layout class="QGridLayout" name="gridLayout_3">
-        </property>
+       <item row="3" column="3">
-       </widget>
+        <widget class="QComboBox" name="scaleUnit">
-      </item>
+         <item>
-      <item row="2" column="2">
+          <property name="text">
-       <widget class="QLabel" name="label_7">
+           <string>Degree width</string>
-        <property name="text">
+          </property>
-         <string>Pixel scale</string>
+         </item>
-        </property>
+         <item>
-       </widget>
+          <property name="text">
-      </item>
+           <string>Arcmin width</string>
-      <item row="0" column="0">
+          </property>
-       <widget class="QLabel" name="label_4">
+         </item>
-        <property name="text">
+         <item>
-         <string>RA</string>
+          <property name="text">
-        </property>
+           <string>Arcsec per pixel</string>
-       </widget>
+          </property>
-      </item>
+         </item>
-      <item row="2" column="1">
+         <item>
-       <widget class="QLineEdit" name="orientation">
+          <property name="text">
-        <property name="readOnly">
+           <string>35 mm equivalent focal length</string>
-         <bool>true</bool>
+          </property>
-        </property>
+         </item>
-       </widget>
+        </widget>
-      </item>
+       </item>
-      <item row="2" column="0">
+       <item row="0" column="0">
-       <widget class="QLabel" name="label_6">
+        <widget class="QCheckBox" name="usePosition">
-        <property name="text">
+         <property name="text">
-         <string>Orientation</string>
+          <string>Use position</string>
-        </property>
+         </property>
-       </widget>
+        </widget>
-      </item>
+       </item>
-      <item row="0" column="2">
+       <item row="4" column="3">
-       <widget class="QLabel" name="label_5">
+        <widget class="QDoubleSpinBox" name="fovHigh">
-        <property name="text">
+         <property name="decimals">
-         <string>DEC</string>
+          <number>3</number>
-        </property>
+         </property>
-       </widget>
+         <property name="maximum">
-      </item>
+          <double>100000.000000000000000</double>
-      <item row="2" column="3">
+         </property>
-       <widget class="QLineEdit" name="pixelScale">
+         <property name="stepType">
-        <property name="readOnly">
+          <enum>QAbstractSpinBox::AdaptiveDecimalStepType</enum>
-         <bool>true</bool>
+         </property>
-        </property>
+         <property name="value">
-       </widget>
+          <double>10000.000000000000000</double>
-      </item>
+         </property>
-      <item row="0" column="1">
+        </widget>
-       <widget class="QLineEdit" name="ra">
+       </item>
-        <property name="readOnly">
+       <item row="1" column="2">
-         <bool>true</bool>
+        <widget class="QLabel" name="label_11">
-        </property>
+         <property name="text">
-       </widget>
+          <string>DEC</string>
-      </item>
+         </property>
-      <item row="1" column="0">
+        </widget>
-       <widget class="QLabel" name="label_2">
+       </item>
-        <property name="text">
+       <item row="1" column="1">
-         <string>Field width</string>
+        <widget class="QDoubleSpinBox" name="raStart">
-        </property>
+         <property name="suffix">
-       </widget>
+          <string> h</string>
-      </item>
+         </property>
-      <item row="0" column="3">
+         <property name="decimals">
-       <widget class="QLineEdit" name="dec">
+          <number>3</number>
-        <property name="readOnly">
+         </property>
-         <bool>true</bool>
+         <property name="maximum">
-        </property>
+          <double>24.000000000000000</double>
-       </widget>
+         </property>
-      </item>
+        </widget>
-      <item row="1" column="1">
+       </item>
-       <widget class="QLineEdit" name="fieldWidth">
+       <item row="4" column="2">
-        <property name="readOnly">
+        <widget class="QLabel" name="label_13">
-         <bool>true</bool>
+         <property name="text">
-        </property>
+          <string>High</string>
-       </widget>
+         </property>
-      </item>
+        </widget>
-      <item row="1" column="3">
+       </item>
-       <widget class="QLineEdit" name="fieldHeight">
+       <item row="4" column="1">
-        <property name="readOnly">
+        <widget class="QDoubleSpinBox" name="fovLow">
-         <bool>true</bool>
+         <property name="decimals">
-        </property>
+          <number>3</number>
-       </widget>
+         </property>
-      </item>
+         <property name="maximum">
-      <item row="3" column="0">
+          <double>10000.000000000000000</double>
-       <widget class="QLabel" name="label_8">
+         </property>
-        <property name="text">
+         <property name="stepType">
-         <string>Stars</string>
+          <enum>QAbstractSpinBox::AdaptiveDecimalStepType</enum>
-        </property>
+         </property>
-       </widget>
+        </widget>
-      </item>
+       </item>
-      <item row="3" column="1">
+       <item row="3" column="0">
-       <widget class="QLineEdit" name="stars">
+        <widget class="QCheckBox" name="useScale">
-        <property name="readOnly">
+         <property name="sizePolicy">
-         <bool>true</bool>
+          <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
-        </property>
+           <horstretch>0</horstretch>
-       </widget>
+           <verstretch>0</verstretch>
-      </item>
+          </sizepolicy>
-      <item row="3" column="2">
+         </property>
-       <widget class="QLabel" name="label_9">
+         <property name="text">
-        <property name="text">
+          <string>Use scale</string>
-         <string>HFR</string>
+         </property>
-        </property>
+        </widget>
-       </widget>
+       </item>
-      </item>
+       <item row="2" column="0" colspan="4">
-      <item row="3" column="3">
+        <widget class="Line" name="line">
-       <widget class="QLineEdit" name="hfr">
+         <property name="orientation">
-        <property name="readOnly">
+          <enum>Qt::Horizontal</enum>
-         <bool>true</bool>
+         </property>
-        </property>
+        </widget>
-       </widget>
+       </item>
-      </item>
+       <item row="1" column="3">
-     </layout>
+        <widget class="QDoubleSpinBox" name="decStart">
+         <property name="suffix">
+          <string> deg</string>
+         </property>
+         <property name="minimum">
+          <double>-90.000000000000000</double>
+         </property>
+         <property name="maximum">
+          <double>90.000000000000000</double>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="0">
+        <widget class="QLabel" name="label_12">
+         <property name="text">
+          <string>Low </string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="label_10">
+         <property name="text">
+          <string>RA</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="2">
+        <widget class="QLabel" name="label_14">
+         <property name="text">
+          <string>Unit</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
+    <item>
+     <widget class="QGroupBox" name="groupBox">
+      <property name="title">
+       <string>Solution</string>
+      </property>
+      <layout class="QGridLayout" name="gridLayout">
+       <item row="0" column="0">
+        <widget class="QLabel" name="label_4">
+         <property name="text">
+          <string>RA</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="1">
+        <widget class="QLineEdit" name="ra">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="2">
+        <widget class="QLabel" name="label_5">
+         <property name="text">
+          <string>DEC</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="3">
+        <widget class="QLineEdit" name="dec">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="label_2">
+         <property name="text">
+          <string>Field width</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QLineEdit" name="fieldWidth">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="2">
+        <widget class="QLabel" name="label_3">
+         <property name="text">
+          <string>Field height</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="3">
+        <widget class="QLineEdit" name="fieldHeight">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="0">
+        <widget class="QLabel" name="label_6">
+         <property name="text">
+          <string>Orientation</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="1">
+        <widget class="QLineEdit" name="orientation">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="2">
+        <widget class="QLabel" name="label_7">
+         <property name="text">
+          <string>Pixel scale</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="3">
+        <widget class="QLineEdit" name="pixelScale">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="0">
+        <widget class="QLabel" name="label_8">
+         <property name="text">
+          <string>Stars</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="1">
+        <widget class="QLineEdit" name="stars">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="2">
+        <widget class="QLabel" name="label_9">
+         <property name="text">
+          <string>HFR</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="3">
+        <widget class="QLineEdit" name="hfr">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPlainTextEdit" name="log">
+      <property name="readOnly">
+       <bool>true</bool>
+      </property>
+     </widget>
     </item>
     <item>
      <layout class="QGridLayout" name="gridLayout_2">
       <item row="1" column="0">
-       <widget class="QPushButton" name="extractButton">
-        <property name="text">
-         <string>Extract</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="1">
-       <widget class="QPushButton" name="solveButton">
-        <property name="text">
-         <string>Solve</string>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="0">
        <widget class="QCheckBox" name="withHFR">
         <property name="text">
          <string>Extract with HFR</string>
         </property>
        </widget>
       </item>
+      <item row="2" column="0">
+       <widget class="QPushButton" name="extractButton">
+        <property name="text">
+         <string>Extract</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QPushButton" name="solveButton">
+        <property name="text">
+         <string>Solve</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QPushButton" name="settingsButton">
+        <property name="text">
+         <string>Settings</string>
+        </property>
+       </widget>
+      </item>
      </layout>
     </item>
-    <item>
-     <widget class="QPushButton" name="settingsButton">
-      <property name="text">
-       <string>Settings</string>
-      </property>
-     </widget>
-    </item>
    </layout>
   </widget>
  </widget>

platesolvingsettings.cpp

@@ -0,0 +1,130 @@
+#include "platesolvingsettings.h"
+#include "ui_platesolvingsettings.h"
+#include <QSettings>
+#include <QFileDialog>
+#include "solver.h"
+
+PlateSolvingSettings::PlateSolvingSettings(QWidget *parent) : QDialog(parent)
+    , _ui(new Ui::PlateSolvingSettings)
+{
+    _ui->setupUi(this);
+
+    _download = new HttpDownloader(this);
+    connect(_download, &HttpDownloader::progress, this, &PlateSolvingSettings::progress);
+    connect(_ui->stopDownloadButton, &QPushButton::clicked, _download, &HttpDownloader::abort);
+
+    connect(_ui->scale01, &QCheckBox::clicked, [this](){ if(_ui->scale01->isChecked())_download->downloadIndex(1); });
+    connect(_ui->scale02, &QCheckBox::clicked, [this](){ if(_ui->scale02->isChecked())_download->downloadIndex(2); });
+    connect(_ui->scale03, &QCheckBox::clicked, [this](){ if(_ui->scale03->isChecked())_download->downloadIndex(3); });
+    connect(_ui->scale04, &QCheckBox::clicked, [this](){ if(_ui->scale04->isChecked())_download->downloadIndex(4); });
+    connect(_ui->scale05, &QCheckBox::clicked, [this](){ if(_ui->scale05->isChecked())_download->downloadIndex(5); });
+    connect(_ui->scale06, &QCheckBox::clicked, [this](){ if(_ui->scale06->isChecked())_download->downloadIndex(6); });
+    connect(_ui->scale07, &QCheckBox::clicked, [this](){ if(_ui->scale07->isChecked())_download->downloadIndex(7); });
+    connect(_ui->scale08, &QCheckBox::clicked, [this](){ if(_ui->scale08->isChecked())_download->downloadIndex(8); });
+    connect(_ui->scale09, &QCheckBox::clicked, [this](){ if(_ui->scale09->isChecked())_download->downloadIndex(9); });
+    connect(_ui->scale10, &QCheckBox::clicked, [this](){ if(_ui->scale10->isChecked())_download->downloadIndex(10); });
+    connect(_ui->scale11, &QCheckBox::clicked, [this](){ if(_ui->scale11->isChecked())_download->downloadIndex(11); });
+    connect(_ui->scale12, &QCheckBox::clicked, [this](){ if(_ui->scale12->isChecked())_download->downloadIndex(12); });
+    connect(_ui->scale13, &QCheckBox::clicked, [this](){ if(_ui->scale13->isChecked())_download->downloadIndex(13); });
+    connect(_ui->scale14, &QCheckBox::clicked, [this](){ if(_ui->scale14->isChecked())_download->downloadIndex(14); });
+    connect(_ui->scale15, &QCheckBox::clicked, [this](){ if(_ui->scale15->isChecked())_download->downloadIndex(15); });
+    connect(_ui->scale16, &QCheckBox::clicked, [this](){ if(_ui->scale16->isChecked())_download->downloadIndex(16); });
+    connect(_ui->scale17, &QCheckBox::clicked, [this](){ if(_ui->scale17->isChecked())_download->downloadIndex(17); });
+    connect(_ui->scale18, &QCheckBox::clicked, [this](){ if(_ui->scale18->isChecked())_download->downloadIndex(18); });
+    connect(_ui->scale19, &QCheckBox::clicked, [this](){ if(_ui->scale19->isChecked())_download->downloadIndex(19); });
+
+    QSettings settings;
+    _ui->indexPaths->addItems(settings.value("platesolving/indexPaths", Solver::getIndexPaths()).toStringList());
+    _ui->indexPaths->setCurrentText(settings.value("platesolving/indexPath", Solver::getTenmonIndexPath()).toString());
+    connect(_ui->addButton, &QPushButton::clicked, [this](){
+        QString path = QFileDialog::getExistingDirectory(this, tr("Index files directory"), Solver::getTenmonIndexPath());
+        if(!path.isEmpty())
+        {
+            bool contain = false;
+            for(int i=0; i<_ui->indexPaths->count(); i++)
+            {
+                if(path == _ui->indexPaths->itemText(i))
+                {
+                    contain = true;
+                    break;
+                }
+            }
+
+            if(!contain)_ui->indexPaths->addItem(path);
+        }
+    });
+    connect(_ui->removeButton, &QPushButton::clicked, [this](){
+        int current = _ui->indexPaths->currentIndex();
+        if(current > 0)_ui->indexPaths->removeItem(current);
+    });
+
+    _watcher = new QFileSystemWatcher(this);
+    _watcher->addPath(Solver::getTenmonIndexPath());
+    connect(_watcher, &QFileSystemWatcher::directoryChanged, this, &PlateSolvingSettings::checkIndexFiles);
+    connect(_ui->indexPaths, &QComboBox::currentTextChanged, [this](const QString &text){
+        _watcher->removePaths(_watcher->directories());
+        _watcher->addPath(text);
+    });
+    connect(_ui->indexPaths, &QComboBox::currentIndexChanged, [this](int index){
+        _ui->indexFilesGroup->setEnabled(index == 0);
+    });
+    checkIndexFiles();
+}
+
+PlateSolvingSettings::~PlateSolvingSettings()
+{
+    QSettings settings;
+    settings.setValue("platesolving/indexPath", _ui->indexPaths->currentText());
+    QStringList paths;
+    for(int i=0; i<_ui->indexPaths->count(); i++)
+        paths.append(_ui->indexPaths->itemText(i));
+
+    settings.setValue("platesolving/indexPaths", paths);
+    delete _ui;
+}
+
+void PlateSolvingSettings::checkIndexFiles()
+{
+    QString indexDir = Solver::getTenmonIndexPath() + "/";
+    auto checkScale = [indexDir](QCheckBox *box, int scale)
+    {
+        bool all = true;
+        QStringList files = HttpDownloader::indexFileNames(scale);
+        for(auto &file : files)
+            if(!QFile::exists(indexDir + file))
+            {
+                all = false;
+                break;
+            }
+
+        box->setChecked(all);
+        if(all)box->setStyleSheet("color: green; font: bold;");
+        else box->setStyleSheet("");
+    };
+
+    checkScale(_ui->scale01, 1);
+    checkScale(_ui->scale02, 2);
+    checkScale(_ui->scale03, 3);
+    checkScale(_ui->scale04, 4);
+    checkScale(_ui->scale05, 5);
+    checkScale(_ui->scale06, 6);
+    checkScale(_ui->scale07, 7);
+    checkScale(_ui->scale08, 8);
+    checkScale(_ui->scale09, 9);
+    checkScale(_ui->scale10, 10);
+    checkScale(_ui->scale11, 11);
+    checkScale(_ui->scale12, 12);
+    checkScale(_ui->scale13, 13);
+    checkScale(_ui->scale14, 14);
+    checkScale(_ui->scale15, 15);
+    checkScale(_ui->scale16, 16);
+    checkScale(_ui->scale17, 17);
+    checkScale(_ui->scale18, 18);
+    checkScale(_ui->scale19, 19);
+}
+
+void PlateSolvingSettings::progress(int percent, int files)
+{
+    _ui->filesRemaining->setText(tr("%1 files").arg(files));
+    _ui->downloadProgressbar->setValue(percent);
+}

platesolvingsettings.h

@@ -0,0 +1,27 @@
+#ifndef PLATESOLVINGSETTINGS_H
+#define PLATESOLVINGSETTINGS_H
+
+#include <QDialog>
+#include <QFileSystemWatcher>
+#include "httpdownloader.h"
+
+namespace Ui {
+class PlateSolvingSettings;
+}
+
+class PlateSolvingSettings : public QDialog
+{
+    Q_OBJECT
+    HttpDownloader *_download;
+    QFileSystemWatcher *_watcher;
+public:
+    explicit PlateSolvingSettings(QWidget *parent = nullptr);
+    ~PlateSolvingSettings();
+    void checkIndexFiles();
+protected slots:
+    void progress(int percent, int files);
+private:
+    Ui::PlateSolvingSettings *_ui;
+};
+
+#endif // PLATESOLVINGSETTINGS_H

platesolvingsettings.ui

@@ -0,0 +1,226 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PlateSolvingSettings</class>
+ <widget class="QDialog" name="PlateSolvingSettings">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>787</width>
+    <height>479</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QComboBox" name="indexPaths">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>1</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="addButton">
+       <property name="text">
+        <string>Add</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="removeButton">
+       <property name="text">
+        <string>Remove</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Plate solving need index files in order to solve an image. You can download them here by checking. This is possible only to default location.&lt;/p&gt;&lt;p&gt;It is required to download index files that cover 100%-50% field of view and recomended 100%-10%. So for images with 70' field of view it is required to download index files in 30'-85' and recomended 4'-85'.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="indexFilesGroup">
+     <property name="title">
+      <string>Index files</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="5" column="0">
+       <widget class="QCheckBox" name="scale14">
+        <property name="text">
+         <string>240' - 340'index-4114.fits (1.4 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QCheckBox" name="scale17">
+        <property name="text">
+         <string>680' - 1000' index-4117.fits (242 kiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0">
+       <widget class="QCheckBox" name="scale16">
+        <property name="text">
+         <string>480' - 680' index-4116.fits (400 kiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QCheckBox" name="scale18">
+        <property name="text">
+         <string>1000' - 1400' index-4118.fits (183 kiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
+       <widget class="QCheckBox" name="scale15">
+        <property name="text">
+         <string>340' - 480' index-4115.fits (723 kiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QCheckBox" name="scale19">
+        <property name="text">
+         <string>1400' - 2000' index-4119.fits (141 kiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="7" column="0">
+       <widget class="QCheckBox" name="scale12">
+        <property name="text">
+         <string>120' - 170' index-4112.fits (5.1MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="6" column="0">
+       <widget class="QCheckBox" name="scale13">
+        <property name="text">
+         <string>170' - 240' index-4113.fits (2.7MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="17" column="0">
+       <widget class="QCheckBox" name="scale11">
+        <property name="text">
+         <string>85' - 120' index-4111.fits (9.8 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="18" column="0">
+       <widget class="QCheckBox" name="scale10">
+        <property name="text">
+         <string>60' - 85' index-4110.fits (24 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QCheckBox" name="scale09">
+        <property name="text">
+         <string>42' - 60' index-4109.fits (48 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QCheckBox" name="scale08">
+        <property name="text">
+         <string>30' - 42' index-4108.fits (91 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QCheckBox" name="scale07">
+        <property name="text">
+         <string>22' - 30' index-4107.fits (158 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="1">
+       <widget class="QCheckBox" name="scale06">
+        <property name="text">
+         <string>16' - 22' index-5206-*.fits (294 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="1">
+       <widget class="QCheckBox" name="scale05">
+        <property name="text">
+         <string>11' - 16' index-5205-*.fits (587 MiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="5" column="1">
+       <widget class="QCheckBox" name="scale04">
+        <property name="text">
+         <string>8' - 11' index-5204-*.fits (1.2 GiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="6" column="1">
+       <widget class="QCheckBox" name="scale03">
+        <property name="text">
+         <string>4.0' - 5.6' index-5203-*.fits (2.3 GiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="7" column="1">
+       <widget class="QCheckBox" name="scale02">
+        <property name="text">
+         <string>5.6' - 8.0' index-5202-*.fits (4.6 GiB)</string>
+        </property>
+       </widget>
+      </item>
+      <item row="17" column="1">
+       <widget class="QCheckBox" name="scale01">
+        <property name="text">
+         <string>2.0' - 2.8' index-5201-*.fits (8.9 GiB)</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QLabel" name="filesRemaining">
+       <property name="text">
+        <string>0 files</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QProgressBar" name="downloadProgressbar">
+       <property name="value">
+        <number>0</number>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="stopDownloadButton">
+       <property name="text">
+        <string>Stop download</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

rawimage.cpp

@@ -3,8 +3,8 @@
 #include <cstring>
 #include <QElapsedTimer>
 #include <QFloat16>
+#include <QColorSpace>
 #include <lcms2.h>
-//#include <libstellarsolver/stellarsolver.h>
 
 using F16 = qfloat16;
 
@@ -804,6 +804,39 @@ std::shared_ptr<RawImage> RawImage::fromPlanar(const void *pixels, uint32_t w, u
     return image;
 }
 
+std::shared_ptr<RawImage> RawImage::toPlanar()
+{
+    std::shared_ptr<RawImage> ret = std::make_shared<RawImage>(m_width, m_height, 1, m_type);
+    size_t size = m_width * m_height;
+    size_t ch = m_ch;
+
+    auto convert = [&](auto *in, auto *out)
+    {
+        for(size_t i=0; i<size; i++)
+            out[i] = in[i * ch];
+    };
+
+    switch(m_type)
+    {
+    case UINT8:
+        convert(static_cast<uint8_t*>(data()), static_cast<uint8_t*>(ret->data()));
+        break;
+    case UINT16:
+    case FLOAT16:
+        convert(static_cast<uint16_t*>(data()), static_cast<uint16_t*>(ret->data()));
+        break;
+    case UINT32:
+    case FLOAT32:
+        convert(static_cast<uint32_t*>(data()), static_cast<uint32_t*>(ret->data()));
+        break;
+    case FLOAT64:
+        convert(static_cast<double*>(data()), static_cast<double*>(ret->data()));
+        break;
+    }
+
+    return ret;
+}
+
 std::vector<RawImage> RawImage::split() const
 {
     std::vector<RawImage> planes;

rawimage.h

@@ -8,7 +8,6 @@
 #include <math.h>
 #include <memory.h>
 #include <QImage>
-#include <QColorSpace>
 
 extern int THUMB_SIZE;
 extern int THUMB_SIZE_BORDER;
@@ -114,6 +113,7 @@ public:
 
     static std::shared_ptr<RawImage> fromPlanar(const RawImage &img);
     static std::shared_ptr<RawImage> fromPlanar(const void *pixels, uint32_t w, uint32_t h, uint32_t ch, DataType type);
+    std::shared_ptr<RawImage> toPlanar();
     static size_t typeSize(DataType type);
     std::vector<RawImage> split() const;
     bool valid() const;

solver.cpp

@@ -12,11 +12,10 @@
 Solver::Solver(QObject *parent) : QObject(parent)
 {
     _solver = new StellarSolver(this);
-
+    connect(_solver, &StellarSolver::logOutput, this, &Solver::logOutput);
-    QStringList indexFolder = getIndexPaths();
 
     _solver->setProperty("ProcessType", SSolver::SOLVE);
-    _solver->setIndexFolderPaths(indexFolder);
+    _solver->setIndexFolderPaths(QStringList(getTenmonIndexPath()));
     _solver->setParameterProfile(SSolver::Parameters::ALL_STARS);
 
     connect(_solver, &StellarSolver::finished, this, &Solver::finished);
@@ -26,9 +25,9 @@ Solver::~Solver()
 {
 }
 
-void Solver::setIndexFolders(const QStringList &indexPaths)
+void Solver::setIndexFolder(const QString &indexPath)
 {
-    _solver->setIndexFolderPaths(indexPaths);
+    _solver->setIndexFolderPaths(QStringList(indexPath));
 }
 
 bool Solver::loadImage(const QString &path)
@@ -46,6 +45,11 @@ bool Solver::loadImage(const QString &path)
 bool Solver::loadImage(std::shared_ptr<RawImage> &image, const QString &path)
 {
     _rawImage = image;
+    if(_rawImage->channels() > 1)
+        _rawImagePlanar = _rawImage->toPlanar();
+    else
+        _rawImagePlanar = _rawImage;
+
     switch(_rawImage->type())
     {
     case RawImage::UINT8:
@@ -68,13 +72,15 @@ bool Solver::loadImage(std::shared_ptr<RawImage> &image, const QString &path)
         return false;
         break;
     }
-    _stats.bytesPerPixel = _rawImage->typeSize(_rawImage->type());
+    _stats.bytesPerPixel = _rawImage->typeSize(_rawImagePlanar->type());
-    _stats.channels = _rawImage->channels();
+    _stats.channels = _rawImagePlanar->channels();
-    _stats.width = _rawImage->width();
+    _stats.width = _rawImagePlanar->width();
-    _stats.height = _rawImage->height();
+    _stats.height = _rawImagePlanar->height();
     _stats.samples_per_channel = _stats.width * _stats.height;
 
-    _loaded = _solver->loadNewImageBuffer(_stats, (const uint8_t*)_rawImage->data());
+    _solver->clearSearchPosition();
+    _solver->clearSearchScale();
+    _loaded = _solver->loadNewImageBuffer(_stats, (const uint8_t*)_rawImagePlanar->data());
     _path = path;
     return _loaded;
 }
@@ -169,17 +175,35 @@ void Solver::updateHeader()
 
 void Solver::setParameters(Parameters::ParametersProfile profile)
 {
-    _solver->setParameterProfile(profile);
+    auto profileParam = _solver->getBuiltInProfiles().at(profile);
+    // TODO seems like any paralel is crashing with Qt6
+    profileParam.partition = false;
+    //profileParam.inParallel = false;
+    _solver->setParameters(profileParam);
 }
 
 void Solver::setParameters(const Parameters &parameters)
 {
-    _solver->setParameters(parameters);
+    auto profile = parameters;
+    // TODO seems like any paralel is crashing with Qt6
+    profile.partition = false;
+    //profile.inParallel = false;
+    _solver->setParameters(profile);
+}
+
+void Solver::setSearchScale(double fovLow, double fowHigh, SSolver::ScaleUnits units)
+{
+    _solver->setSearchScale(fovLow, fowHigh, units);
+}
+
+void Solver::setSearchPosition(double ra, double dec)
+{
+    _solver->setSearchPositionRaDec(ra, dec);
 }
 
 QStringList Solver::getIndexPaths()
 {
-    QStringList paths;// = StellarSolver::getDefaultIndexFolderPaths();
+    QStringList paths = StellarSolver::getDefaultIndexFolderPaths();
     paths.prepend(getTenmonIndexPath());
     return paths;
 }

solver.h

@@ -15,10 +15,11 @@ class Solver : public QObject
     QString _path;
     QString _error;
     std::shared_ptr<RawImage> _rawImage;
+    std::shared_ptr<RawImage> _rawImagePlanar;
 public:
     explicit Solver(QObject *parent = nullptr);
     ~Solver();
-    void setIndexFolders(const QStringList &list);
+    void setIndexFolder(const QString &indexPath);
 
     bool loadImage(const QString &path);
     bool loadImage(std::shared_ptr<RawImage> &image, const QString &path);
@@ -32,6 +33,8 @@ public:
     void updateHeader();
     void setParameters(SSolver::Parameters::ParametersProfile profile);
     void setParameters(const SSolver::Parameters &parameters);
+    void setSearchScale(double fovLow, double fowHigh, ScaleUnits units);
+    void setSearchPosition(double ra, double dec);
 
     static QStringList getIndexPaths();
     static QString getTenmonIndexPath();
@@ -40,6 +43,7 @@ public slots:
 signals:
     void solvingDone();
     void extractionDone();
+    void logOutput(const QString &log);
 };
 
 #endif // SOLVER_H