def set_item_parameters(self, itemparams): """Set the item parameters, required for the GUI display of the measurement parameters.""" update_dataset(self.measurement, itemparams.get("MeasurementParameter"), visible_only=True) ImageItem.set_item_parameters(self, itemparams)
def image( self, data=None, filename=None, title=None, alpha_mask=None, alpha=None, background_color=None, colormap=None, xdata=[None, None], ydata=[None, None], pixel_size=None, center_on=None, interpolation="linear", eliminate_outliers=None, xformat="%.1f", yformat="%.1f", zformat="%.1f", ): """ Make an image `plot item` from data (:py:class:`guiqwt.image.ImageItem` object or :py:class:`guiqwt.image.RGBImageItem` object if data has 3 dimensions) """ assert isinstance(xdata, (tuple, list)) and len(xdata) == 2 assert isinstance(ydata, (tuple, list)) and len(ydata) == 2 param = ImageParam(title=_("Image"), icon="image.png") data, filename, title = self._get_image_data(data, filename, title, to_grayscale=True) if data.ndim == 3: return self.rgbimage(data=data, filename=filename, title=title, alpha_mask=alpha_mask, alpha=alpha) assert data.ndim == 2, "Data must have 2 dimensions" if pixel_size is None: assert center_on is None, "Ambiguous parameters: both `center_on`" " and `xdata`/`ydata` were specified" xmin, xmax = xdata ymin, ymax = ydata else: xmin, xmax, ymin, ymax = self.compute_bounds(data, pixel_size, center_on) self.__set_image_param( param, title, alpha_mask, alpha, interpolation, background=background_color, colormap=colormap, xmin=xmin, xmax=xmax, ymin=ymin, ymax=ymax, xformat=xformat, yformat=yformat, zformat=zformat, ) image = ImageItem(data, param) image.set_filename(filename) if eliminate_outliers is not None: image.set_lut_range(lut_range_threshold(image, 256, eliminate_outliers)) return image
def __init__(self, measurement=None): """\arg measurement a Measurement object storing data and scanning parameter. """ self.__baseclass__ = ThothMapItem ImageItem.__init__(self, data=None, param=ImageParam(_("Image"))) if measurement is not None: self.set_measurement(measurement) else: self.measurement = Measurement() self.current_index = 0
def __init__(self, measurement=None): """\arg measurement a Measurement object storing data and scanning parameter. """ self.__baseclass__ = ThothImageItem param = ImageParam(_("Image"), icon='image.png') param.interpolation = 1 ImageItem.__init__(self, data=None, param=param) if measurement is not None: self.set_measurement(measurement) else: self.measurement = Measurement()
def image(self, data=None, filename=None, title=None, alpha_mask=None, alpha=None, background_color=None, colormap=None, xdata=[None, None], ydata=[None, None], pixel_size=None, center_on=None, interpolation='linear', eliminate_outliers=None, xformat='%.1f', yformat='%.1f', zformat='%.1f'): """ Make an image `plot item` from data (:py:class:`guiqwt.image.ImageItem` object or :py:class:`guiqwt.image.RGBImageItem` object if data has 3 dimensions) """ assert isinstance(xdata, (tuple, list)) and len(xdata) == 2 assert isinstance(ydata, (tuple, list)) and len(ydata) == 2 param = ImageParam(title=_("Image"), icon='image.png') data, filename, title = self._get_image_data(data, filename, title, to_grayscale=True) if data.ndim == 3: return self.rgbimage(data=data, filename=filename, title=title, alpha_mask=alpha_mask, alpha=alpha) assert data.ndim == 2, "Data must have 2 dimensions" if pixel_size is None: assert center_on is None, "Ambiguous parameters: both `center_on`"\ " and `xdata`/`ydata` were specified" xmin, xmax = xdata ymin, ymax = ydata else: xmin, xmax, ymin, ymax = self.compute_bounds(data, pixel_size, center_on) self.__set_image_param(param, title, alpha_mask, alpha, interpolation, background=background_color, colormap=colormap, xmin=xmin, xmax=xmax, ymin=ymin, ymax=ymax, xformat=xformat, yformat=yformat, zformat=zformat) image = ImageItem(data, param) image.set_filename(filename) if eliminate_outliers is not None: image.set_lut_range(lut_range_threshold(image, 256, eliminate_outliers)) return image
def get_item_parameters(self, itemparams): """Return the item parameters, required for the GUI display of the measurement parameters.""" ImageItem.get_item_parameters(self, itemparams) itemparams.add("MeasurementParameter", self, self.measurement)
def __init__(self, param=None): ImageItem.__init__(self, numpy.zeros((1, 1)), param=param) TaurusEncodedBaseImageItem.__init__(self, self.__class__.__name__)