Exemple #1
0
    def _theta_plot_default(self):

        theta = self.theta
        nclasses = theta.shape[0]

        # create a plot data object and give it this data
        plot_data = ArrayPlotData()

        plot_data.set_data('classes', list(range(nclasses)))

        # create the plot
        plot = Plot(plot_data)

        # --- plot theta samples
        if self.theta_samples is not None:
            self._plot_samples(plot, plot_data)

        # --- plot values of theta
        plots = self._plot_theta_values(plot, plot_data)

        # --- adjust plot appearance

        plot.aspect_ratio = 1.6 if is_display_small() else 1.7

        # adjust axis bounds
        y_high = theta.max()
        if self.theta_samples is not None:
            y_high = max(y_high, self.theta_samples.max())

        plot.range2d = DataRange2D(low=(-0.2, 0.0),
                                   high=(nclasses - 1 + 0.2, y_high * 1.1))

        # create new horizontal axis
        label_axis = self._create_increment_one_axis(plot, 0., nclasses,
                                                     'bottom')
        label_axis.title = 'True classes'
        self._add_index_axis(plot, label_axis)

        # label vertical axis
        plot.value_axis.title = 'Probability'

        # add legend
        legend = Legend(component=plot,
                        plots=plots,
                        align="ur",
                        border_padding=10)
        legend.tools.append(LegendTool(legend, drag_button="left"))
        legend.padding_right = -100
        plot.overlays.append(legend)

        container = VPlotContainer(width=plot.width + 100, halign='left')
        plot.padding_bottom = 50
        plot.padding_top = 10
        plot.padding_left = 0
        container.add(plot)
        container.bgcolor = 0xFFFFFF

        self.decorate_plot(container, theta)

        return container
    def _theta_plot_default(self):

        theta = self.theta
        nclasses = theta.shape[0]

        # create a plot data object and give it this data
        plot_data = ArrayPlotData()

        plot_data.set_data('classes', range(nclasses))

        # create the plot
        plot = Plot(plot_data)

        # --- plot theta samples
        if self.theta_samples is not None:
            self._plot_samples(plot, plot_data)

        # --- plot values of theta
        plots = self._plot_theta_values(plot, plot_data)

        # --- adjust plot appearance

        plot.aspect_ratio = 1.6 if is_display_small() else 1.7

        # adjust axis bounds
        y_high = theta.max()
        if self.theta_samples is not None:
            y_high = max(y_high, self.theta_samples.max())

        plot.range2d = DataRange2D(
            low  = (-0.2, 0.0),
            high = (nclasses-1+0.2, y_high*1.1)
        )

        # create new horizontal axis
        label_axis = self._create_increment_one_axis(
            plot, 0., nclasses, 'bottom')
        label_axis.title = 'True classes'
        self._add_index_axis(plot, label_axis)

        # label vertical axis
        plot.value_axis.title = 'Probability'

        # add legend
        legend = Legend(component=plot, plots=plots,
                        align="ur", border_padding=10)
        legend.tools.append(LegendTool(legend, drag_button="left"))
        legend.padding_right = -100
        plot.overlays.append(legend)

        container = VPlotContainer(width=plot.width + 100, halign='left')
        plot.padding_bottom = 50
        plot.padding_top = 10
        plot.padding_left = 0
        container.add(plot)
        container.bgcolor = 0xFFFFFF

        self.decorate_plot(container, theta)

        return container
    def _plot_container_default(self):
        data = self.posterior
        nannotations, nclasses = data.shape

        # create a plot data object
        plot_data = ArrayPlotData()
        plot_data.set_data("values", data)

        # create the plot
        plot = Plot(plot_data, origin=self.origin)

        img_plot = plot.img_plot("values",
                                 interpolation='nearest',
                                 xbounds=(0, nclasses),
                                 ybounds=(0, nannotations),
                                 colormap=self._create_colormap())[0]
        ndisp = 55
        img_plot.y_mapper.range.high = ndisp
        img_plot.y_mapper.domain_limits=((0, nannotations))

        self._set_title(plot)
        plot.padding_top = 80

        # create x axis for labels
        label_axis = self._create_increment_one_axis(plot, 0.5, nclasses, 'top')
        label_axis.title = 'classes'
        self._add_index_axis(plot, label_axis)

        plot.y_axis.title = 'items'

        # tweak plot aspect
        goal_aspect_ratio = 2.0
        plot_width = (goal_aspect_ratio * self.plot_height
                      * nclasses / ndisp)
        self.plot_width = min(max(plot_width, 200), 400)
        plot.aspect_ratio = self.plot_width / self.plot_height

        # add colorbar
        colormap = img_plot.color_mapper
        colorbar = ColorBar(index_mapper = LinearMapper(range=colormap.range),
                            color_mapper = colormap,
                            plot = img_plot,
                            orientation = 'v',
                            resizable = '',
                            width = 15,
                            height = 250)
        colorbar.padding_top = plot.padding_top
        colorbar.padding_bottom = int(self.plot_height - colorbar.height -
                                      plot.padding_top)
        colorbar.padding_left = 0
        colorbar.padding_right = 30


        # create a container to position the plot and the colorbar side-by-side
        container = HPlotContainer(use_backbuffer=True)
        container.add(plot)
        container.add(colorbar)
        container.bgcolor = 0xFFFFFF # light gray: 0xEEEEEE

        # add pan tools
        img_plot.tools.append(PanTool(img_plot, constrain=True,
                                      constrain_direction="y", speed=7.))

        self.decorate_plot(container, self.posterior)
        self.plot_posterior = plot
        return container
Exemple #4
0
    def _plot_container_default(self):
        data = self.posterior
        nannotations, nclasses = data.shape

        # create a plot data object
        plot_data = ArrayPlotData()
        plot_data.set_data("values", data)

        # create the plot
        plot = Plot(plot_data, origin=self.origin)

        img_plot = plot.img_plot("values",
                                 interpolation='nearest',
                                 xbounds=(0, nclasses),
                                 ybounds=(0, nannotations),
                                 colormap=self._create_colormap())[0]
        ndisp = 55
        img_plot.y_mapper.range.high = ndisp
        img_plot.y_mapper.domain_limits = ((0, nannotations))

        self._set_title(plot)
        plot.padding_top = 80

        # create x axis for labels
        label_axis = self._create_increment_one_axis(plot, 0.5, nclasses,
                                                     'top')
        label_axis.title = 'classes'
        self._add_index_axis(plot, label_axis)

        plot.y_axis.title = 'items'

        # tweak plot aspect
        goal_aspect_ratio = 2.0
        plot_width = (goal_aspect_ratio * self.plot_height * nclasses / ndisp)
        self.plot_width = min(max(plot_width, 200), 400)
        plot.aspect_ratio = self.plot_width / self.plot_height

        # add colorbar
        colormap = img_plot.color_mapper
        colorbar = ColorBar(index_mapper=LinearMapper(range=colormap.range),
                            color_mapper=colormap,
                            plot=img_plot,
                            orientation='v',
                            resizable='',
                            width=15,
                            height=250)
        colorbar.padding_top = plot.padding_top
        colorbar.padding_bottom = int(self.plot_height - colorbar.height -
                                      plot.padding_top)
        colorbar.padding_left = 0
        colorbar.padding_right = 30

        # create a container to position the plot and the colorbar side-by-side
        container = HPlotContainer(use_backbuffer=True)
        container.add(plot)
        container.add(colorbar)
        container.bgcolor = 0xFFFFFF  # light gray: 0xEEEEEE

        # add pan tools
        img_plot.tools.append(
            PanTool(img_plot,
                    constrain=True,
                    constrain_direction="y",
                    speed=7.))

        self.decorate_plot(container, self.posterior)
        self.plot_posterior = plot
        return container