Example #1
0
    def __init__(self, params):

        self.cpt = 0

        self.params = params

        self.works_surface_tracking = []
        self.nameFrame = None

        self.path = params.images.path
        self.path_ref = params.images.path_ref

        self.verify_process = False
        self.ref_film = None
        self.filmName = None
        self.save_png = True
        #        self.treshold = 0.16

        self.xmin = self.params.surface_tracking.xmin
        self.xmax = self.params.surface_tracking.xmax
        self.ymin = self.params.surface_tracking.ymin
        self.ymax = self.params.surface_tracking.ymax

        self.distance_lens = self.params.surface_tracking.distance_lens
        self.distance_object = self.params.surface_tracking.distance_object
        self.pix_size = self.params.surface_tracking.pix_size

        self.startref_frame = self.params.surface_tracking.startref_frame
        self.lastref_frame = self.params.surface_tracking.lastref_frame
        self.sur = self.params.surface_tracking.sur
        self.k_x = self.params.surface_tracking.k_x
        self.k_y = self.params.surface_tracking.k_y
        self.slicer = self.params.surface_tracking.slicer

        self.red_factor = self.params.surface_tracking.red_factor
        self.n_frames_stock = self.params.surface_tracking.n_frames_stock

        self.plot_reduction_factor = 10
        self.l_x = self.xmax - self.xmin
        self.l_y = self.ymax - self.ymin

        self.wave_proj = 1 / (self.k_x / self.l_x / self.pix_size)
        # wave_proj_pix = self.wave_proj / self.pix_size
        self.kslicer = 2 * self.k_x

        self.kx = np.arange(-self.l_x / 2, self.l_x / 2) / self.l_x
        self.ky = np.arange(-self.l_y / 2, self.l_y / 2) / self.l_y

        refserie = SerieOfArraysFromFiles(params.images.path_ref,
                                          params.images.str_slice_ref)
        k_x = self.compute_kx(refserie)
        logger.warning("Value of kx computed = " + str(k_x))

        self.kxx = self.kx / self.pix_size
        self.gain, self.filt = self.set_gain_filter(k_x, self.l_y, self.l_x,
                                                    self.slicer)
        self.a1_tmp = None
Example #2
0
    def fill_queue_paths(self, input_queue, output_queues):

        assert input_queue is None
        queue_paths = output_queues[0]
        queue_couples_of_names = output_queues[1]

        serie = self.serie
        if len(serie) == 0:
            logger.warning("add 0 image. No image to process.")
            return

        names = serie.get_name_arrays()
        for name in names:
            path_im_output = self.path_dir_result / name
            path_im_input = str(self.path_dir_src / name)
            if self.how_saving == "complete":
                if not path_im_output.exists():
                    queue_paths[name] = path_im_input
            else:
                queue_paths[name] = path_im_input

        if len(names) == 0:
            if self.how_saving == "complete":
                logger.warning(
                    'topology in mode "complete" and work already done.')
            else:
                logger.warning("Nothing to do")
            return

        nb_names = len(names)
        logger.info(f"Add {nb_names} images to compute.")
        logger.info("First files to process: " + str(names[:4]))

        logger.debug("All files: " + str(names))

        series = self.series
        if not series:
            logger.warning("add 0 couple. No phase to correct.")
            return

        nb_series = len(series)
        logger.info(f"Add {nb_series} phase to correct.")

        for iserie, serie in enumerate(series):
            if iserie > 1:
                break
            logger.info("Files of serie {}: {}".format(
                iserie, serie.get_name_arrays()))
        # for the first corrected angle : corrected_angle = angle
        ind_serie, serie = next(series.items())
        name = serie.get_name_arrays()[0]
        queue_couples_of_names[ind_serie - 1] = (name, name)
        for ind_serie, serie in series.items():
            queue_couples_of_names[ind_serie] = serie.get_name_arrays()
Example #3
0
    def compute_kx(self, serie):
        if len(serie) == 0:
            logger.warning("0 ref image. Use of default k_x = 70.75.")
            return 70.75

        names = serie.get_name_arrays()
        ref = np.zeros((self.ymax - self.ymin, self.xmax - self.xmin))
        ii = 0

        for name in names:
            array = imread(str(Path(self.path_ref) / name))
            frame = array[self.ymin:self.ymax,
                          self.xmin:self.xmax].astype(float)
            frame = self.frame_normalize(frame)
            ref = ref + frame
            ii += 1
        ref = ref / ii
        return self.wave_vector(ref, self.ymin, self.ymax, self.xmin,
                                self.xmax, self.sur)
Example #4
0
    def fill_couples_of_names_and_paths(self, input_queue, output_queues):
        """Fill the two first queues"""
        assert input_queue is None
        queue_couples_of_names = output_queues[0]
        queue_paths = output_queues[1]

        series = self.series
        if not series:
            logger.warning("add 0 couple. No PIV to compute.")
            return
        if self.how_saving == "complete":
            index_series = []
            for ind_serie, serie in self.series.items():
                name_piv = get_name_piv(serie, prefix="piv")
                if not (self.path_dir_result / name_piv).exists():
                    index_series.append(ind_serie)

            if not index_series:
                logger.warning(
                    'topology in mode "complete" and work already done.')
                return

            series.set_index_series(index_series)

            if logger.isEnabledFor(DEBUG):
                logger.debug(
                    repr([serie.get_name_arrays() for serie in series]))

        nb_series = len(series)
        logger.info(f"Add {nb_series} PIV fields to compute.")

        for iserie, serie in enumerate(series):
            if iserie > 1:
                break
            logger.info("Files of serie {}: {}".format(
                iserie, serie.get_name_arrays()))

        for ind_serie, serie in series.items():
            queue_couples_of_names[ind_serie] = serie.get_name_arrays()
            for name, path in serie.get_name_path_arrays():
                queue_paths[name] = path
Example #5
0
    def fill_queue_paths(self, input_queue, output_queue):
        """Fill the first queue (paths)"""
        assert input_queue is None

        serie = self.serie
        if not serie:
            logger.warning("add 0 image. No image to process.")
            return

        names = serie.get_name_arrays()

        for name in names:
            path_im_output = self.path_dir_result / name
            path_im_input = str(self.path_dir_src / name)
            if self.how_saving == "complete":
                if not path_im_output.exists():
                    output_queue[name] = path_im_input
            else:
                output_queue[name] = path_im_input

        if not names:
            if self.how_saving == "complete":
                logger.warning(
                    'topology in mode "complete" and work already done.')
            else:
                logger.warning("Nothing to do")
            return

        nb_names = len(names)

        logger.info(f"Add {nb_names} images to compute.")
        logger.info(f"First files to process: {names[:4]}")

        logger.debug(f"All files: {names}")
Example #6
0
    def init_series(self) -> List[str]:
        """Initializes the SeriesOfArrays object `self.series` based on input
        parameters."""
        series = self.series
        if not series:
            logger.warning(
                "encountered empty series. No images to preprocess.")
            return

        if self.how_saving == "complete":
            index_subsets = []
            for ind_subset, subset in self.series.items():
                names_serie = subset.get_name_arrays()
                name_preproc = get_name_preproc(
                    subset,
                    names_serie,
                    ind_subset,
                    series.nb_series,
                    self.params.saving.format,
                )
                if not (self.path_dir_result / name_preproc).exists():
                    index_subsets.append(ind_subset)
            series.set_index_series(index_subsets)
            if logger.isEnabledFor(DEBUG):
                logger.debug(
                    repr([subset.get_name_arrays() for subset in series]))

        nb_subsets = len(series)
        if nb_subsets == 0:
            logger.warning(
                'topology in mode "complete" and work already done.')
            return
        elif nb_subsets == 1:
            plurial = ""
        else:
            plurial = "s"

        logger.info(f"Add {nb_subsets} image serie{plurial} to compute.")
Example #7
0
    def add_series(self, series):

        if len(series) == 0:
            logger.warning("add 0 couple. No PIV to compute.")
            return

        if self.how_saving == "complete":
            names = []
            index_series = []
            for i, serie in enumerate(series):
                name_piv = get_name_piv(serie, prefix="piv")
                if os.path.exists(os.path.join(self.path_dir_result,
                                               name_piv)):
                    continue

                for name in serie.get_name_arrays():
                    if name not in names:
                        names.append(name)

                index_series.append(i * series.ind_step + series.ind_start)

            if len(index_series) == 0:
                logger.warning(
                    'topology in mode "complete" and work already done.')
                return

            series.set_index_series(index_series)

            logger.debug(repr(names))
            logger.debug(repr([serie.get_name_arrays() for serie in series]))
        else:
            names = series.get_name_all_arrays()

        nb_series = len(series)
        print("Add {} PIV fields to compute.".format(nb_series))

        for i, serie in enumerate(series):
            if i > 1:
                break

            print("Files of serie {}: {}".format(i, serie.get_name_arrays()))

        self.wq0.add_name_files(names)
        self.wq_images.add_series(series)

        k, o = self.wq0.popitem()
        im = self.wq0.work(o)
        self.wq0.fill_destination(k, im)

        # a little bit strange, to apply mask...
        try:
            params_mask = self.params.mask
        except AttributeError:
            params_mask = None

        couple = ArrayCouple(names=("", ""),
                             arrays=(im, im),
                             params_mask=params_mask)
        im, _ = couple.get_arrays()

        self.piv_work._prepare_with_image(im)