Update map template variables specific to circle visual

def add_unique_template_variables(self, options):
        """Update map template variables specific to circle visual"""
        options.update(dict(
            geojson_data=json.dumps(self.data, ensure_ascii=False),
            colorProperty=self.color_property,
            colorType=self.color_function_type,
            colorStops=self.color_stops,
            strokeWidth=self.stroke_width,
            strokeColor=self.stroke_color,
            radius=self.radius,
            defaultColor=self.color_default,
            highlightColor=self.highlight_color
        ))

        if self.vector_source:
            options.update(vectorColorStops=self.generate_vector_color_map())