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)
