Exemplo n.º 1
0
 def __init__(self, fits_file, settings, project = None):
     super(ImportImage, self).__init__()
     self.settings = settings
     self.fits_file = fits_file
     self.project = project
     try:
         image_hdu_index = fits_file.index_of('IMAGE')
     except KeyError:
         image_hdu_index = 0
     
     original_image = fits.ImageHDU(data=fits_file[image_hdu_index].data, header=fits_file[image_hdu_index].header, name='IMAGE')
     for hdu in [h for h in self.fits_file if h.name == 'IMAGE']: self.fits_file.remove(hdu)
     self.fits_file.append(original_image)
     
     self.ui = Ui_ImportImage()
     self.ui.setupUi(self)
     
     self.rotate_dialog = RotateImageDialog(self.fits_file, image_hdu_index, project=project)
     self.rotate_dialog.rotated.connect(self.rotated)
     
     self.image_plot = QtCommons.nestWidget(self.ui.image_widget, QImPlotWidget(self.rotate_dialog.data_rotated, cmap='gray'))
     self.spatial_plot = QtCommons.nestWidget(self.ui.spatial_plot_widget, QMathPlotWidget())
     self.spectrum_plot = QtCommons.nestWidget(self.ui.spectrum_plot_widget, QMathPlotWidget())
     
     self.image_view = self.image_plot.axes_image
     
     self.toolbar = QToolBar('Image Toolbar')
     self.toolbar.addAction(QIcon(':/rotate_20'), "Rotate", lambda: self.rotate_dialog.show())
     self.toolbar.addAction(QIcon(':/save_20'), "Save", self.save_profile)
     self.toolbar.addAction(QIcon(':/select_all_20'), "Select spectrum data", lambda: self.spatial_plot.add_span_selector('select_spectrum', self.spectrum_span_selected,direction='horizontal'))
     self.toolbar.addAction(QIcon.fromTheme('edit-select-invert'), "Select background data", lambda: self.spatial_plot.add_span_selector('select_background', self.background_span_selected,direction='horizontal', rectprops = dict(facecolor='blue', alpha=0.5))).setEnabled(False)
     #self.toolbar.addAction('Stack', self.show_stack_images_dialog)
     self.toolbar.addSeparator()
     self.object_properties = ObjectProperties(self.fits_file, project=project)
     self.object_properties_dialog = ObjectPropertiesDialog(settings, self.object_properties)
     self.toolbar.addAction("Object properties", self.object_properties_dialog.show)
     self.rotated()
Exemplo n.º 2
0
class ImportImage(QWidget):
    def icon():
        return QIcon(':/image_20')
    ACTION_TEXT = 'Import Image'
    def pick(on_ok, settings):
        open_file_sticky('Open FITS Image',FITS_IMG_EXTS, on_ok, settings, IMPORT_IMG )
    
    def __init__(self, fits_file, settings, project = None):
        super(ImportImage, self).__init__()
        self.settings = settings
        self.fits_file = fits_file
        self.project = project
        try:
            image_hdu_index = fits_file.index_of('IMAGE')
        except KeyError:
            image_hdu_index = 0
        
        original_image = fits.ImageHDU(data=fits_file[image_hdu_index].data, header=fits_file[image_hdu_index].header, name='IMAGE')
        for hdu in [h for h in self.fits_file if h.name == 'IMAGE']: self.fits_file.remove(hdu)
        self.fits_file.append(original_image)
        
        self.ui = Ui_ImportImage()
        self.ui.setupUi(self)
        
        self.rotate_dialog = RotateImageDialog(self.fits_file, image_hdu_index, project=project)
        self.rotate_dialog.rotated.connect(self.rotated)
        
        self.image_plot = QtCommons.nestWidget(self.ui.image_widget, QImPlotWidget(self.rotate_dialog.data_rotated, cmap='gray'))
        self.spatial_plot = QtCommons.nestWidget(self.ui.spatial_plot_widget, QMathPlotWidget())
        self.spectrum_plot = QtCommons.nestWidget(self.ui.spectrum_plot_widget, QMathPlotWidget())
        
        self.image_view = self.image_plot.axes_image
        
        self.toolbar = QToolBar('Image Toolbar')
        self.toolbar.addAction(QIcon(':/rotate_20'), "Rotate", lambda: self.rotate_dialog.show())
        self.toolbar.addAction(QIcon(':/save_20'), "Save", self.save_profile)
        self.toolbar.addAction(QIcon(':/select_all_20'), "Select spectrum data", lambda: self.spatial_plot.add_span_selector('select_spectrum', self.spectrum_span_selected,direction='horizontal'))
        self.toolbar.addAction(QIcon.fromTheme('edit-select-invert'), "Select background data", lambda: self.spatial_plot.add_span_selector('select_background', self.background_span_selected,direction='horizontal', rectprops = dict(facecolor='blue', alpha=0.5))).setEnabled(False)
        #self.toolbar.addAction('Stack', self.show_stack_images_dialog)
        self.toolbar.addSeparator()
        self.object_properties = ObjectProperties(self.fits_file, project=project)
        self.object_properties_dialog = ObjectPropertiesDialog(settings, self.object_properties)
        self.toolbar.addAction("Object properties", self.object_properties_dialog.show)
        self.rotated()
        
    def rotated(self):
        self.image_view.set_data(self.rotate_dialog.data_rotated)
        self.image_view.axes.relim() 
        self.image_view.axes.autoscale_view() 
        self.image_view.set_extent([self.rotate_dialog.data_rotated.shape[1],0, self.rotate_dialog.data_rotated.shape[0],0])
        self.image_view.figure.canvas.draw()
        self.draw_plot(self.spectrum_plot.axes, self.spectrum_profile())
        self.draw_plot(self.spatial_plot.axes, self.spatial_profile())
        
    def background_span_selected(self, min, max):
        self.background_span_selection = (min, max)
        self.spatial_plot.add_span('background_window', min, max, 'v', facecolor='gray', alpha=0.5)
        self.image_plot.add_span('background_window', min, max, 'h', facecolor='red', alpha=0.5, clip_on=True)
        self.draw_plot(self.spectrum_plot.axes, self.spectrum_profile())
        
        
    def spectrum_span_selected(self, min, max):
        self.spectrum_span_selection = (min, max)
        self.spatial_plot.add_span('spectrum_window', min, max, 'v', facecolor='g', alpha=0.5)
        self.image_plot.add_span('spectrum_window', min, max, 'h', facecolor='y', alpha=0.25, clip_on=True)
        self.draw_plot(self.spectrum_plot.axes, self.spectrum_profile())
        
    def draw_plot(self, axes, data):
        axes.clear()
        axes.plot(data)
        axes.figure.tight_layout()
        axes.figure.canvas.draw()
        
    def spatial_profile(self):
        return self.rotate_dialog.data_rotated.sum(1)
    
    def spectrum_profile(self):
        return self.rotate_dialog.data_rotated[self.spectrum_span_selection[0]:self.spectrum_span_selection[1]+1,:].sum(0) if hasattr(self, 'spectrum_span_selection') else self.rotate_dialog.data_rotated.sum(0)
                
    def save(self, save_file):
        data = self.spectrum_profile()
        data -= np.amin(data)
        data /= np.amax(data)
        hdu = self.fits_file[0]
        hdu.data = data
        hdu.header['ORIGIN'] = 'PySpectrum'
        self.fits_file.writeto(save_file, clobber=True)
        
    def save_profile(self):
        if not self.project:
            save_file_sticky('Save plot...', 'FITS file (.fit)', lambda f: self.save(f[0]), self.settings, RAW_PROFILE )
            return
        if not self.object_properties.name:
            QMessageBox.information(self, 'Save FITS', 'Please set file information (name, date, etc) using the Object Properties button before saving')
            return
        file_path = self.project.add_file(Project.RAW_PROFILE, object_properties = self.object_properties, on_added=self.save)