Differential D25376 Diff 69968 kstars/ekos/guide/externalguide/phd2.cpp

Changeset View

Standalone View

View Options

kstars/ekos/guide/externalguide/phd2.cpp

Show First 20 Lines • Show All 765 Lines • ▼ Show 20 Line(s)
766} 766​}
767 767​
768void PHD2::processStarImage(const QJsonObject &jsonStarFrame) 768​void PHD2::processStarImage(const QJsonObject &jsonStarFrame)
769{ 769​{
770 //The width and height of the received PHD2 Star Image 770​ //The width and height of the received PHD2 Star Image
771 int width = jsonStarFrame["width"].toInt(); 771​ int width = jsonStarFrame["width"].toInt();
772 int height = jsonStarFrame["height"].toInt(); 772​ int height = jsonStarFrame["height"].toInt();
773 773​
774 QTemporaryFile tempfile(KSPaths::writableLocation(QStandardPaths::TempLocation) + QLatin1String("phd2_XXXXXX")); ​
775 tempfile.setAutoRemove(false); ​
776 if (!tempfile.open()) ​
777 { ​
778 qCWarning(KSTARS_EKOS_GUIDE) << "could not create temp file for PHD2 star image"; ​
779 return; ​
780 } ​
781 QString filename = tempfile.fileName(); ​
782 ​
783 //This section sets up the FITS File 774​ //This section sets up the FITS File
784 fitsfile *fptr = nullptr; 775​ fitsfile *fptr = nullptr;
785 int status = 0; 776​ int status = 0;
786 long fpixel = 1, naxis = 2, nelements, exposure; 777​ long fpixel = 1, naxis = 2, nelements, exposure;
787 long naxes[2] = { width, height }; 778​ long naxes[2] = { width, height };
788 char error_status[512] = {0}; 779​ char error_status[512] = {0};
789 780​
790 if (fits_create_file(&fptr, QString('!' + filename).toLatin1().data(), &status)) 781​ void* fits_buffer = nullptr;
782​ size_t fits_buffer_size = 0;
783​ if (fits_create_memfile(&fptr, &fits_buffer, &fits_buffer_size, 4096, realloc, &status))
791 { 784​ {
792 qCWarning(KSTARS_EKOS_GUIDE) << "fits_create_file failed:" << error_status; 785​ qCWarning(KSTARS_EKOS_GUIDE) << "fits_create_file failed:" << error_status;
793 return; 786​ return;
794 } 787​ }
795 788​
796 if (fits_create_img(fptr, USHORT_IMG, naxis, naxes, &status)) 789​ if (fits_create_img(fptr, USHORT_IMG, naxis, naxes, &status))
797 { 790​ {
798 qCWarning(KSTARS_EKOS_GUIDE) << "fits_create_img failed:" << error_status; 791​ qCWarning(KSTARS_EKOS_GUIDE) << "fits_create_img failed:" << error_status;
799 status = 0; 792​ status = 0;
800 fits_close_file(fptr, &status); 793​ fits_close_file(fptr, &status);
794​ free(fits_buffer);
801 return; 795​ return;
802 } 796​ }
803 797​
804 //Note, this is made up. If you want the actual exposure time, you have to request it from PHD2 798​ //Note, this is made up. If you want the actual exposure time, you have to request it from PHD2
805 exposure = 1; 799​ exposure = 1;
806 fits_update_key(fptr, TLONG, "EXPOSURE", &exposure, "Total Exposure Time", &status); 800​ fits_update_key(fptr, TLONG, "EXPOSURE", &exposure, "Total Exposure Time", &status);
807 801​
808 //This section takes the Pixels from the JSON Document 802​ //This section takes the Pixels from the JSON Document
809 //Then it converts from base64 to a QByteArray 803​ //Then it converts from base64 to a QByteArray
810 //Then it creates a datastream from the QByteArray to the pixel array for the FITS File 804​ //Then it creates a datastream from the QByteArray to the pixel array for the FITS File
811 QByteArray converted = QByteArray::fromBase64(jsonStarFrame["pixels"].toString().toLocal8Bit()); 805​ QByteArray converted = QByteArray::fromBase64(jsonStarFrame["pixels"].toString().toLocal8Bit());
812 806​
813 //This finishes up and closes the FITS file 807​ //This finishes up and closes the FITS file
814 nelements = naxes[0] * naxes[1]; 808​ nelements = naxes[0] * naxes[1];
815 if (fits_write_img(fptr, TUSHORT, fpixel, nelements, converted.data(), &status)) 809​ if (fits_write_img(fptr, TUSHORT, fpixel, nelements, converted.data(), &status))
816 { 810​ {
817 fits_get_errstatus(status, error_status); 811​ fits_get_errstatus(status, error_status);
818 qCWarning(KSTARS_EKOS_GUIDE) << "fits_write_img failed:" << error_status; 812​ qCWarning(KSTARS_EKOS_GUIDE) << "fits_write_img failed:" << error_status;
819 status = 0; 813​ status = 0;
820 fits_close_file(fptr, &status); 814​ fits_close_file(fptr, &status);
815​ free(fits_buffer);
821 return; 816​ return;
822 } 817​ }
823 818​
824 if (fits_flush_file(fptr, &status)) 819​ if (fits_flush_file(fptr, &status))
825 { 820​ {
826 fits_get_errstatus(status, error_status); 821​ fits_get_errstatus(status, error_status);
827 qCWarning(KSTARS_EKOS_GUIDE) << "fits_flush_file failed:" << error_status; 822​ qCWarning(KSTARS_EKOS_GUIDE) << "fits_flush_file failed:" << error_status;
828 status = 0; 823​ status = 0;
829 fits_close_file(fptr, &status); 824​ fits_close_file(fptr, &status);
825​ free(fits_buffer);
830 return; 826​ return;
831 } 827​ }
832 828​
833 if (fits_close_file(fptr, &status)) 829​ if (fits_close_file(fptr, &status))
834 { 830​ {
835 fits_get_errstatus(status, error_status); 831​ fits_get_errstatus(status, error_status);
836 qCWarning(KSTARS_EKOS_GUIDE) << "fits_close_file failed:" << error_status; 832​ qCWarning(KSTARS_EKOS_GUIDE) << "fits_close_file failed:" << error_status;
833​ free(fits_buffer);
837 return; 834​ return;
838 } 835​ }
839 836​
840 //This loads the FITS file in the Guide FITSView 837​ //This loads the FITS file in the Guide FITSView
841 //Then it updates the Summary Screen 838​ //Then it updates the Summary Screen
842 auto conn = std::make_shared<QMetaObject::Connection>(); 839​ FITSData* fdata = new FITSData();
843 *conn = connect(guideFrame, &FITSView::loaded, [this, conn, width, height]() 840​ fdata->loadFITSFromMemory("guideframe.fits", fits_buffer, fits_buffer_size, true);
844 { 841​ free(fits_buffer);
845 // we'll take care of deleting the temp file 842​ guideFrame->loadFITSFromData(fdata, "guideframe.fits");
846 //guideFrame->getImageData()->setAutoRemoveTemporaryFITS(false); 843​
847 guideFrame->updateFrame(); 844​ guideFrame->updateFrame();
848 guideFrame->setTrackingBox(QRect(0, 0, width, height)); 845​ guideFrame->setTrackingBox(QRect(0, 0, width, height));
849 emit newStarPixmap(guideFrame->getTrackingBoxPixmap()); 846​ emit newStarPixmap(guideFrame->getTrackingBoxPixmap());
850 ​
851 QObject::disconnect(*conn); ​
852 }); ​
853 ​
854 guideFrame->loadFITS(filename, true); ​
855} 847​}
856 848​
857void PHD2::setEquipmentConnected() 849​void PHD2::setEquipmentConnected()
858{ 850​{
859 if (connection != EQUIPMENT_CONNECTED) 851​ if (connection != EQUIPMENT_CONNECTED)
860 { 852​ {
861 setConnectedRetries = 0; 853​ setConnectedRetries = 0;
862 connection = EQUIPMENT_CONNECTED; 854​ connection = EQUIPMENT_CONNECTED;
▲ Show 20 Lines • Show All 469 Lines • Show Last 20 Lines