def create_legend(self): if self.legend is not None: self.scene.removeItem(self.legend) self.legend = None if self.attr_color is None: return if self.attr_color.is_discrete: names = self.attr_color.values else: names = self._bin_names() items = [] size = 8 for name, color in zip(names, self.colors.qcolors): item = QGraphicsItemGroup() item.addToGroup( CanvasRectangle(None, -size / 2, -size / 2, size, size, Qt.gray, color)) item.addToGroup(CanvasText(None, name, size, 0, Qt.AlignVCenter)) items.append(item) self.legend = wrap_legend_items(items, hspacing=20, vspacing=16 + size, max_width=self.view.width() - 25) self.legend.setFlags(self.legend.ItemIgnoresTransformations) self.legend.setTransform( QTransform.fromTranslate(-self.legend.boundingRect().width() / 2, 0)) self.scene.addItem(self.legend) self.set_legend_pos()
def create_legend(): if self.variable_color is None: names = [ "<-8", "-8:-4", "-4:-2", "-2:2", "2:4", "4:8", ">8", "Residuals:" ] colors = self.RED_COLORS[::-1] + self.BLUE_COLORS[1:] edges = repeat(Qt.black) else: names = get_variable_values_sorted(class_var) edges = colors = [QColor(*col) for col in class_var.colors] items = [] size = 8 for name, color, edgecolor in zip(names, colors, edges): item = QGraphicsItemGroup() item.addToGroup( CanvasRectangle(None, -size / 2, -size / 2, size, size, edgecolor, color)) item.addToGroup( CanvasText(None, name, size, 0, Qt.AlignVCenter)) items.append(item) return wrap_legend_items(items, hspacing=20, vspacing=16 + size, max_width=self.canvas_view.width() - xoff)