from flask import Flask, render_template
app = Flask(__name__)


@app.route("/")
def hello():
    return render_template('pyecharts.html', myechart=scatter3d())


def scatter3d():
    from pyecharts import Scatter3D

    import random
    data = [[random.randint(0, 100), random.randint(0, 100), random.randint(0, 100)] for _ in range(80)]
    range_color = ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf',
                   '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026']
    scatter3D = Scatter3D("3D scattering plot demo", width=1200, height=600)
    scatter3D.add("", data, is_visualmap=True, visual_range_color=range_color)
    return scatter3D.render_embed()