import json
from pyecharts.charts import BMap
from pyecharts import options as opts
from pyecharts.commons.utils import JsCode
from pyecharts.globals import ChartType
with open("bmap-custom-data.json", "r", encoding="utf-8") as f:
j = json.load(f)
color_list = ["#070093", "#1c3fbf", "#1482e5", "#70b4eb", "#b4e0f3", "#ffffff"]
c = (
BMap()
.add_schema(
baidu_ak="FAKE_AK",
center=[116.46, 39.92],
zoom=11.8,
is_roam=True,
map_style={
"styleJson": [
{
"featureType": "water",
"elementType": "all",
"stylers": {"color": "#d1d1d1"},
},
{
"featureType": "land",
"elementType": "all",
"stylers": {"color": "#f3f3f3"},
},
{
"featureType": "railway",
"elementType": "all",
"stylers": {"visibility": "off"},
},
{
"featureType": "highway",
"elementType": "all",
"stylers": {"color": "#999999"},
},
{
"featureType": "highway",
"elementType": "labels",
"stylers": {"visibility": "off"},
},
{
"featureType": "arterial",
"elementType": "geometry",
"stylers": {"color": "#fefefe"},
},
{
"featureType": "arterial",
"elementType": "geometry.fill",
"stylers": {"color": "#fefefe"},
},
{
"featureType": "poi",
"elementType": "all",
"stylers": {"visibility": "off"},
},
{
"featureType": "green",
"elementType": "all",
"stylers": {"visibility": "off"},
},
{
"featureType": "subway",
"elementType": "all",
"stylers": {"visibility": "off"},
},
{
"featureType": "manmade",
"elementType": "all",
"stylers": {"color": "#d1d1d1"},
},
{
"featureType": "local",
"elementType": "all",
"stylers": {"color": "#d1d1d1"},
},
{
"featureType": "arterial",
"elementType": "labels",
"stylers": {"visibility": "off"},
},
{
"featureType": "boundary",
"elementType": "all",
"stylers": {"color": "#fefefe"},
},
{
"featureType": "building",
"elementType": "all",
"stylers": {"color": "#d1d1d1"},
},
{
"featureType": "label",
"elementType": "labels.text.fill",
"stylers": {"color": "rgba(0,0,0,0)"},
},
]
},
)
.add_js_funcs(
"""
var lngExtent = [39.5, 40.6];
var latExtent = [115.9, 116.8];
var cellCount = [50, 50];
var cellSizeCoord = [
(lngExtent[1] - lngExtent[0]) / cellCount[0],
(latExtent[1] - latExtent[0]) / cellCount[1]
];
var gapSize = 0;
function renderItem(params, api) {
var lngIndex = api.value(0);
var latIndex = api.value(1);
var pointLeftTop = getCoord(params, api, lngIndex, latIndex);
var pointRightBottom = getCoord(params, api, lngIndex + 1, latIndex + 1);
return {
type: 'rect',
shape: {
x: pointLeftTop[0],
y: pointLeftTop[1],
width: pointRightBottom[0] - pointLeftTop[0],
height: pointRightBottom[1] - pointLeftTop[1]
},
style: api.style({
stroke: 'rgba(0,0,0,0.1)'
}),
styleEmphasis: api.styleEmphasis()
};
}
function getCoord(params, api, lngIndex, latIndex) {
var coords = params.context.coords || (params.context.coords = []);
var key = lngIndex + '-' + latIndex;
return coords[key] || (coords[key] = api.coord([
+(latExtent[0] + lngIndex * cellSizeCoord[0]).toFixed(6),
+(lngExtent[0] + latIndex * cellSizeCoord[1]).toFixed(6)
]));
}
"""
)
.add(
series_name="",
data_pair=j["data"],
type_=ChartType.CUSTOM,
render_item=JsCode("renderItem"),
itemstyle_opts=opts.ItemStyleOpts(color="yellow"),
encode={"tooltip": 2},
)
.set_global_opts(
title_opts=opts.TitleOpts(title="BMap-Custom 图"),
tooltip_opts=opts.TooltipOpts(is_show=True, formatter=None),
visualmap_opts=opts.VisualMapOpts(
is_piecewise=True,
pos_top="10",
pos_left="10",
is_inverse=True,
pieces=[
{"value": i, "color": color_list[i]} for i in range(len(color_list))
],
dimension=2,
border_color="#ccc",
border_width=2,
background_color="#eee",
range_opacity=0.7,
),
graphic_opts=[
opts.GraphicGroup(
graphic_item=opts.GraphicItem(
rotation=JsCode("Math.PI / 4"),
bounding="raw",
right=110,
bottom=110,
z=100,
),
children=[
opts.GraphicRect(
graphic_item=opts.GraphicItem(
left="center", top="center", z=100
),
graphic_shape_opts=opts.GraphicShapeOpts(width=400, height=50),
graphic_basicstyle_opts=opts.GraphicBasicStyleOpts(
fill="rgba(0,0,0,0.3)"
),
),
opts.GraphicText(
graphic_item=opts.GraphicItem(
left="center", top="center", z=100
),
graphic_textstyle_opts=opts.GraphicTextStyleOpts(
text="Made by pyecharts",
font="bold 26px Microsoft YaHei",
graphic_basicstyle_opts=opts.GraphicBasicStyleOpts(
fill="#fff"
),
),
),
],
)
],
)
.render("bmap_custom.html")
)