Source code for holoviews.plotting.plotly.annotation

from __future__ import absolute_import, division, unicode_literals

import param

from .chart import ScatterPlot
from ...element import Tiles


[docs]class LabelPlot(ScatterPlot): xoffset = param.Number(default=None, doc=""" Amount of offset to apply to labels along x-axis.""") yoffset = param.Number(default=None, doc=""" Amount of offset to apply to labels along x-axis.""") style_opts = ['visible', 'color', 'family', 'size'] _nonvectorized_styles = [] _style_key = 'textfont' @classmethod def trace_kwargs(cls, is_geo=False, **kwargs): if is_geo: return {'type': 'scattermapbox', 'mode': 'text'} else: return {'type': 'scatter', 'mode': 'text'} def get_data(self, element, ranges, style, is_geo=False, **kwargs): text_dim = element.vdims[0] xs = element.dimension_values(0) if self.xoffset: xs = xs + self.xoffset ys = element.dimension_values(1) if self.yoffset: ys = ys + self.yoffset text = [text_dim.pprint_value(v) for v in element.dimension_values(2)] if is_geo: lon, lat = Tiles.easting_northing_to_lon_lat(xs, ys) return [{"lon": lon, "lat": lat, 'text': text}] else: x, y = ('y', 'x') if self.invert_axes else ('x', 'y') return [{x: xs, y: ys, 'text': text}]