hi-ucs/front/public/leaflet/leaflet-tilelayer-wmts.js

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2022-07-26 15:16:28 +08:00
/*
* @Author: hisense.wuhongjian
* @Date: 2022-07-25 17:13:49
* @LastEditors: hisense.wuhongjian
* @LastEditTime: 2022-07-26 10:23:40
* @Description: 告诉大家这是什么
*/
;(L.TileLayer.WMTS = L.TileLayer.extend({
defaultWmtsParams: {
service: 'WMTS',
request: 'GetTile',
version: '1.0.0',
layer: '',
style: '',
tilematrixset: '',
format: 'image/jpeg',
},
initialize: function (a, b) {
this._url = a
var c = {},
d = Object.keys(b)
d.forEach((a) => {
c[a.toLowerCase()] = b[a]
})
var e = L.extend({}, this.defaultWmtsParams),
f = c.tileSize || this.options.tileSize
for (var g in ((e.width =
c.detectRetina && L.Browser.retina ? (e.height = 2 * f) : (e.height = f)),
c))
e.hasOwnProperty(g) && 'matrixIds' != g && (e[g] = c[g])
;(this.wmtsParams = e),
(this.matrixIds = b.matrixIds || this.getDefaultMatrix()),
L.setOptions(this, b)
},
onAdd: function (a) {
;(this._crs = this.options.crs || a.options.crs),
L.TileLayer.prototype.onAdd.call(this, a)
},
getTileUrl: function (a) {
var b = this.options.tileSize,
c = a.multiplyBy(b)
;(c.x += 1), (c.y -= 1)
var d = c.add(new L.Point(b, b)),
e = this._tileZoom,
f = this._crs.project(this._map.unproject(c, e)),
g = this._crs.project(this._map.unproject(d, e))
tilewidth = g.x - f.x
var h = this.matrixIds[e].identifier,
i = h,
j = this.matrixIds[e].topLeftCorner.lng,
k = this.matrixIds[e].topLeftCorner.lat,
l = Math.floor((f.x - j) / tilewidth),
m = -Math.floor((f.y - k) / tilewidth),
n = L.Util.template(this._url, { s: this._getSubdomain(a) })
return (
n +
L.Util.getParamString(this.wmtsParams, n) +
'&tilematrix=' +
i +
'&tilerow=' +
m +
'&tilecol=' +
l
)
},
setParams: function (a, b) {
return L.extend(this.wmtsParams, a), b || this.redraw(), this
},
getDefaultMatrix: function () {
for (var a = Array(22), b = 0; 22 > b; b++)
a[b] = {
identifier: '' + b,
topLeftCorner: new L.LatLng(20037508.3428, -20037508.3428),
}
return a
},
})),
(L.tileLayer.wmts = function (a, b) {
return new L.TileLayer.WMTS(a, b)
})