Example #1
0
def test_load_geo():
    geo = load_geo(pyFAI_calib)
    assert geo
Example #2
0
from xpdtools.tests.utils import pyFAI_calib
from xpdtools.tools import (
    load_geo,
    map_to_binner,
    mask_img,
    binned_outlier,
    z_score_image,
    polarization_correction,
    overlay_mask,
    generate_map_bin,
    generate_binner,
    move_center,
)
from xpdtools.jit_tools import mask_ring_median, mask_ring_mean

geo = load_geo(pyFAI_calib)


def test_mask_ring_mean():
    values = np.asarray([0, 0, 0, 10, 0, 0, 0, 0])
    positions = np.arange(0, len(values))
    assert mask_ring_mean(values, positions, 1) == np.argmax(values)


def test_mask_ring_median():
    values = np.asarray([0, 0, 0, 1, 0, 0, 0, 0])
    positions = np.arange(0, len(values))
    assert mask_ring_median(values, positions, 3) == np.argmax(values)


def test_load_geo():
Example #3
0
        0.557193323722,
        0.537404961852,
        0.531262989146,
        0.508645587156,
        0.493458701611,
        0.488690872874,
        0.47091430825,
        0.458785722296,
        0.4405,
        0.430525121912,
        0.427347771314,
    ],
    "calibrant_name":
    "undefined",
}
calibration = load_geo(cal_params)


class take_data:
    def __init__(
        self,
        translation_motor,
        rotation_motor,
        phases,
        raster_pixel_size,
        poni: Geometry,
        order=3,
    ):
        """Pencil beam x-ray diffraction tomography simulation

        Parameters
Example #4
0
    def event(self, doc):
        if self.dark_img is not None:
            doc = next(self.db.fill_events([doc], self.descs))
            if "cryostat_T" in doc["data"]:
                doc["data"]["temperature"] = doc["data"].pop("cryostat_T")
            # human readable timestamp
            h_timestamp = _timestampstr(doc["time"])

            # dark subtraction
            img = doc["data"][self.image_data_key]
            if str(img.dtype) == "uint16":
                img = img.astype("float32")
            if self.dark_img is not None:
                img -= self.dark_img
            if self.vis:
                self.vis_callbacks["dark_sub_iq"]("event",
                                                  format_event(img=img))
            if self.write_to_disk:
                tiff_name = render_clean_makedir(
                    self.light_template,
                    human_timestamp=h_timestamp,
                    raw_event=doc,
                    raw_start=self.start_doc,
                    raw_descriptor=self.descriptor_doc,
                    analysis_stage="dark_sub",
                    ext=".tiff",
                )
                tifffile.imsave(tiff_name, img)

            if self.analysis_setting == "full":
                # background correction
                if self.background_img is not None:
                    img -= self.background_img

                # get calibration
                if self.is_calibration:
                    calibration, geo = img_calibration(img, self.wavelength,
                                                       self.calibrant,
                                                       self.detector)
                    _save_calib_param(
                        calibration,
                        h_timestamp,
                        os.path.join(self.calibration_md_folder,
                                     "xpdAcq_calib_info.yml"),
                    )
                    if self.write_to_disk:
                        poni_name = render_clean_makedir(
                            self.light_template,
                            human_timestamp=h_timestamp,
                            raw_event=doc,
                            raw_start=self.start_doc,
                            raw_descriptor=self.descriptor_doc,
                            analysis_stage="calib",
                            ext=".poni",
                        )
                        poni_saver(poni_name, calibration)

                elif self.calibrant:
                    geo = load_geo(self.calibrant)
                else:
                    geo = None

                if geo:
                    img = polarization_correction(img, geo,
                                                  self.polarization_factor)

                    # Masking
                    if doc["seq_num"] == 1:
                        if (self.start_doc["sample_name"] == "Setup"
                                or self.mask_setting is None):
                            self.mask = np.ones(img.shape, dtype=bool)
                        else:
                            binner = generate_binner(geo, img.shape, self.mask)
                            self.mask = mask_img(img, binner,
                                                 **self.mask_kwargs)
                        if self.write_to_disk:
                            mask_name = render_clean_makedir(
                                self.light_template,
                                human_timestamp=h_timestamp,
                                raw_event=doc,
                                raw_start=self.start_doc,
                                raw_descriptor=self.descriptor_doc,
                                analysis_stage="mask",
                                ext="",
                            )
                            fit2d_save(self.mask, mask_name)
                    if self.vis:
                        overlay = overlay_mask(img, self.mask)
                        self.vis_callbacks["masked_img"](
                            "event", format_event(overlay_mask=overlay))
                    # binner
                    binner = generate_binner(geo, img.shape, self.mask)

                    q, iq = (
                        binner.bin_centers,
                        np.nan_to_num(binner(img.flatten())),
                    )
                    if self.vis:
                        self.vis_callbacks["iq"]("event",
                                                 format_event(q=q, iq=iq))
                        self.vis_callbacks["zscore"](
                            "event",
                            format_event(img=z_score_image(img, binner)),
                        )
                    if self.write_to_disk:
                        iq_name = render_clean_makedir(
                            self.light_template,
                            human_timestamp=h_timestamp,
                            raw_event=doc,
                            raw_start=self.start_doc,
                            raw_descriptor=self.descriptor_doc,
                            analysis_stage="iq_q",
                            ext="_Q.chi",
                        )
                        save_output(q, iq, iq_name, "Q")
                    tth = np.rad2deg(q_to_twotheta(q, self.wavelength))
                    if self.vis:
                        self.vis_callbacks["itth"]("event",
                                                   format_event(tth=tth,
                                                                iq=iq))
                    if self.write_to_disk:
                        itth_name = render_clean_makedir(
                            self.light_template,
                            human_timestamp=h_timestamp,
                            raw_event=doc,
                            raw_start=self.start_doc,
                            raw_descriptor=self.descriptor_doc,
                            analysis_stage="iq_tth",
                            ext="_tth.chi",
                        )

                        save_output(tth, iq, itth_name, "2theta")

                    if self.composition:
                        fq_q, fq, fq_config = fq_getter(
                            q,
                            iq,
                            composition=self.composition,
                            **self.fq_kwargs)
                        if self.vis:
                            self.vis_callbacks["fq"]("event",
                                                     format_event(q=fq_q,
                                                                  fq=fq))

                        r, gr, pdf_config = pdf_getter(
                            q,
                            iq,
                            composition=self.composition,
                            **self.pdf_kwargs)
                        if self.vis:
                            self.vis_callbacks["pdf"]("event",
                                                      format_event(r=r,
                                                                   pdf=gr))
                        if self.write_to_disk:
                            pdf_name = render_clean_makedir(
                                self.light_template,
                                human_timestamp=h_timestamp,
                                raw_event=doc,
                                raw_start=self.start_doc,
                                raw_descriptor=self.descriptor_doc,
                                analysis_stage="pdf",
                                ext=".gr",
                            )
                            pdf_saver(r, gr, pdf_config, pdf_name)
Example #5
0
    def event(self, doc):
        if self.dark_img is not None:
            doc = next(self.db.fill_events([doc], self.descs))
            if 'cryostat_T' in doc['data']:
                doc['data']['temperature'] = doc['data'].pop('cryostat_T')
            # human readable timestamp
            h_timestamp = _timestampstr(doc['time'])

            # dark subtraction
            img = doc['data'][self.image_data_key]
            if str(img.dtype) == 'uint16':
                img = img.astype('float32')
            if self.dark_img is not None:
                img -= self.dark_img
            if self.vis:
                self.vis_callbacks['dark_sub_iq']('event',
                                                  format_event(img=img))
            if self.write_to_disk:
                tiff_name = render_clean_makedir(
                    self.light_template,
                    human_timestamp=h_timestamp,
                    raw_event=doc,
                    raw_start=self.start_doc,
                    raw_descriptor=self.descriptor_doc,
                    analysis_stage='dark_sub',
                    ext='.tiff')
                tifffile.imsave(tiff_name, img)

            if self.analysis_setting == 'full':
                # background correction
                if self.background_img is not None:
                    img -= self.background_img

                # get calibration
                if self.is_calibration:
                    calibration, geo = img_calibration(img, self.wavelength,
                                                       self.calibrant,
                                                       self.detector)
                    _save_calib_param(
                        calibration, h_timestamp,
                        os.path.join(self.calibration_md_folder,
                                     'xpdAcq_calib_info.yml'))
                    if self.write_to_disk:
                        poni_name = render_clean_makedir(
                            self.light_template,
                            human_timestamp=h_timestamp,
                            raw_event=doc,
                            raw_start=self.start_doc,
                            raw_descriptor=self.descriptor_doc,
                            analysis_stage='calib',
                            ext='.poni')
                        poni_saver(poni_name, calibration)

                elif self.calibrant:
                    geo = load_geo(self.calibrant)
                else:
                    geo = None

                if geo:
                    img = polarization_correction(img, geo,
                                                  self.polarization_factor)

                    # Masking
                    if doc['seq_num'] == 1:
                        if (self.start_doc['sample_name'] == 'Setup'
                                or self.mask_setting is None):
                            self.mask = np.ones(img.shape, dtype=bool)
                        else:
                            binner = generate_binner(geo, img.shape, self.mask)
                            self.mask = mask_img(img, binner,
                                                 **self.mask_kwargs)
                        if self.write_to_disk:
                            mask_name = render_clean_makedir(
                                self.light_template,
                                human_timestamp=h_timestamp,
                                raw_event=doc,
                                raw_start=self.start_doc,
                                raw_descriptor=self.descriptor_doc,
                                analysis_stage='mask',
                                ext='')
                            fit2d_save(self.mask, mask_name)
                    if self.vis:
                        overlay = overlay_mask(img, self.mask)
                        self.vis_callbacks['masked_img'](
                            'event', format_event(overlay_mask=overlay))
                    # binner
                    binner = generate_binner(geo, img.shape, self.mask)

                    q, iq = binner.bin_centers, np.nan_to_num(
                        binner(img.flatten()))
                    if self.vis:
                        self.vis_callbacks['iq']('event',
                                                 format_event(q=q, iq=iq))
                        self.vis_callbacks['zscore'](
                            'event',
                            format_event(img=z_score_image(img, binner)))
                    if self.write_to_disk:
                        iq_name = render_clean_makedir(
                            self.light_template,
                            human_timestamp=h_timestamp,
                            raw_event=doc,
                            raw_start=self.start_doc,
                            raw_descriptor=self.descriptor_doc,
                            analysis_stage='iq_q',
                            ext='_Q.chi')
                        save_output(q, iq, iq_name, 'Q')
                    tth = np.rad2deg(q_to_twotheta(q, self.wavelength))
                    if self.vis:
                        self.vis_callbacks['itth']('event',
                                                   format_event(tth=tth,
                                                                iq=iq))
                    if self.write_to_disk:
                        itth_name = render_clean_makedir(
                            self.light_template,
                            human_timestamp=h_timestamp,
                            raw_event=doc,
                            raw_start=self.start_doc,
                            raw_descriptor=self.descriptor_doc,
                            analysis_stage='iq_tth',
                            ext='_tth.chi')

                        save_output(tth, iq, itth_name, '2theta')

                    if self.composition:
                        fq_q, fq, fq_config = fq_getter(
                            q,
                            iq,
                            composition=self.composition,
                            **self.fq_kwargs)
                        if self.vis:
                            self.vis_callbacks['fq']('event',
                                                     format_event(q=fq_q,
                                                                  fq=fq))

                        r, gr, pdf_config = pdf_getter(
                            q,
                            iq,
                            composition=self.composition,
                            **self.pdf_kwargs)
                        if self.vis:
                            self.vis_callbacks['pdf']('event',
                                                      format_event(r=r,
                                                                   pdf=gr))
                        if self.write_to_disk:
                            pdf_name = render_clean_makedir(
                                self.light_template,
                                human_timestamp=h_timestamp,
                                raw_event=doc,
                                raw_start=self.start_doc,
                                raw_descriptor=self.descriptor_doc,
                                analysis_stage='pdf',
                                ext='.gr')
                            pdf_saver(r, gr, pdf_config, pdf_name)