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Add export function for range compression #7

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Add export function for range compression #7

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34 changes: 25 additions & 9 deletions sarsim/gui.py
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Original file line number Diff line number Diff line change
Expand Up @@ -668,8 +668,9 @@ def _create_menu(self):
self._color_preset_menu_children[preset] = action

export = bar.addMenu('&Export')
export.addAction('Azimuth comp. as image (PNG)').triggered.connect(self._export_png)
export.addAction('Azimuth comp. as NumPy array').triggered.connect(self._export_npy)
export.addAction('Range comp. as NumPy array').triggered.connect(self._export_rc_npy)
export.addAction('Azimuth comp. as image (PNG)').triggered.connect(self._export_ac_png)
export.addAction('Azimuth comp. as NumPy array').triggered.connect(self._export_ac_npy)

def set_scene(self, scene: simscene.SimulationScene):
self._pstate.scene = scene
Expand Down Expand Up @@ -708,7 +709,26 @@ def _unload_demo_capture(self):
commands.unload_capture(self._pstate)
self._label_loaded_dataset.setText('(none)')

def _export_png(self):
def _export_to_numpy(self, filename: str, data: np.ndarray):
# np.save will append to the end of the file if it alreday exists. This is usually not expected
# so we delete the file beforehand, if it exists
if os.path.exists(filename):
os.unlink(filename)
np.save(filename, data)

def _export_rc_npy(self):
if self._plot_window_rc._data is None:
return

suggested_name = "range_comp.npy"
filename, _ = QFileDialog.getSaveFileName(self, "Select numpy file", suggested_name, filter="*.npy")

if not filename:
return

self._export_to_numpy(filename, self._plot_window_rc._sim_image.data)

def _export_ac_png(self):
if self._plot_window_ac._data is None:
return

Expand All @@ -724,7 +744,7 @@ def _export_png(self):
# for some reason we need to flip the image, otherwise the exported image does not look like the graph
self._plot_window_ac._img.qimage.mirrored(horizontal=False, vertical=True).save(filename)

def _export_npy(self):
def _export_ac_npy(self):
if self._plot_window_ac._data is None:
return

Expand All @@ -734,11 +754,7 @@ def _export_npy(self):
if not filename:
return

# np.save will append to the end of the file if it alreday exists. This is usually not expected
# so we delete the file beforehand, if it exists
if os.path.exists(filename):
os.unlink(filename)
np.save(filename, self._plot_window_ac._sim_image.data)
self._export_to_numpy(filename, self._plot_window_ac._sim_image.data)

def _update_gui_values_from_state(self):
self._params_control.update_from_state(self._pstate.simstate)
Expand Down