def tilt_click(self, mouse_position, camera_shape):
if self.__camera_category.lower() == "ronchigram":
stem_controller = self.__get_stem_controller()
radians_per_pixel = stem_controller.get_value("TVPixelAngle")
da = radians_per_pixel * (mouse_position[1] - (camera_shape[1] / 2))
db = radians_per_pixel * (mouse_position[0] - (camera_shape[0] / 2))
logging.info("Tilting (%s,%s) rad.\n", da, db)
stem_controller.set_value("STilt.x", stem_controller.get_value("STilt.x") - da)
stem_controller.set_value("STilt.y", stem_controller.get_value("STilt.y") - db)
def shift_click(self, mouse_position, camera_shape):
if self.__camera_category.lower() == "ronchigram":
stem_controller = self.__get_stem_controller()
radians_per_pixel = stem_controller.get_value("TVPixelAngle")
defocus_value = stem_controller.get_value("C10") # get the defocus
dx = radians_per_pixel * defocus_value * (mouse_position[1] - (camera_shape[1] / 2))
dy = radians_per_pixel * defocus_value * (mouse_position[0] - (camera_shape[0] / 2))
logging.info("Shifting (%s,%s) um.\n", dx * 1e6, dy * 1e6)
stem_controller.set_value("SShft.x", stem_controller.get_value("SShft.x") - dx)
stem_controller.set_value("SShft.y", stem_controller.get_value("SShft.y") - dy)