2021-04-01 04:33:07 +08:00
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"use strict";L.DomUtil.setTransform||(L.DomUtil.setTransform=function(t,n,e){var i=n||new L.Point(0,0);t.style[L.DomUtil.TRANSFORM]=(L.Browser.ie3d?"translate("+i.x+"px,"+i.y+"px)":"translate3d("+i.x+"px,"+i.y+"px,0)")+(e?" scale("+e+")":"")}),L.CanvasLayer=(L.Layer?L.Layer:L.Class).extend({initialize:function(t){this._map=null,this._canvas=null,this._frame=null,this._delegate=null,L.setOptions(this,t)},delegate:function(t){return this._delegate=t,this},needRedraw:function(){return this._frame||(this._frame=L.Util.requestAnimFrame(this.drawLayer,this)),this},_onLayerDidResize:function(t){this._canvas.width=t.newSize.x,this._canvas.height=t.newSize.y},_onLayerDidMove:function(){var t=this._map.containerPointToLayerPoint([0,0]);L.DomUtil.setPosition(this._canvas,t),this.drawLayer()},getEvents:function(){var t={resize:this._onLayerDidResize,moveend:this._onLayerDidMove};return this._map.options.zoomAnimation&&L.Browser.any3d&&(t.zoomanim=this._animateZoom),t},onAdd:function(t){this._map=t,this._canvas=L.DomUtil.create("canvas","leaflet-layer"),this.tiles={};var n=this._map.getSize();this._canvas.width=n.x,this._canvas.height=n.y;var e=this._map.options.zoomAnimation&&L.Browser.any3d;L.DomUtil.addClass(this._canvas,"leaflet-zoom-"+(e?"animated":"hide")),this.options.pane.appendChild(this._canvas),t.on(this.getEvents(),this);var i=this._delegate||this;i.onLayerDidMount&&i.onLayerDidMount(),this.needRedraw();var o=this;setTimeout(function(){o._onLayerDidMove()},0)},onRemove:function(t){var n=this._delegate||this;n.onLayerWillUnmount&&n.onLayerWillUnmount(),this.options.pane.removeChild(this._canvas),t.off(this.getEvents(),this),this._canvas=null},addTo:function(t){return t.addLayer(this),this},drawLayer:function(){var t=this._map.getSize(),n=this._map.getBounds(),e=this._map.getZoom(),i=this._map.options.crs.project(this._map.getCenter()),o=this._map.options.crs.project(this._map.containerPointToLatLng(this._map.getSize())),a=this._delegate||this;a.onDrawLayer&&a.onDrawLayer({layer:this,canvas:this._canvas,bounds:n,size:t,zoom:e,center:i,corner:o}),this._frame=null},_setTransform:function(t,n,e){var i=n||new L.Point(0,0);t.style[L.DomUtil.TRANSFORM]=(L.Browser.ie3d?"translate("+i.x+"px,"+i.y+"px)":"translate3d("+i.x+"px,"+i.y+"px,0)")+(e?" scale("+e+")":"")},_animateZoom:function(t){var n=this._map.getZoomScale(t.zoom),e=L.Layer?this._map._latLngToNewLayerPoint(this._map.getBounds().getNorthWest(),t.zoom,t.center):this._map._getCenterOffset(t.center)._multiplyBy(-n).subtract(this._map._getMapPanePos());L.DomUtil.setTransform(this._canvas,e,n)}}),L.canvasLayer=function(t){return new L.CanvasLayer(t)},L.Control.Velocity=L.Control.extend({options:{position:"bottomleft",emptyString:"Unavailable",angleConvention:"bearingCCW",showCardinal:!1,speedUnit:"m/s",directionString:"Direction",speedString:"Speed",onAdd:null,onRemove:null},onAdd:function(t){return this._container=L.DomUtil.create("div","leaflet-control-velocity"),L.DomEvent.disableClickPropagation(this._container),t.on("mousemove",this._onMouseMove,this),this._container.innerHTML=this.options.emptyString,this.options.leafletVelocity.options.onAdd&&this.options.leafletVelocity.options.onAdd(),this._container},onRemove:function(t){t.off("mousemove",this._onMouseMove,this),this.options.leafletVelocity.options.onRemove&&this.options.leafletVelocity.options.onRemove()},vectorToSpeed:function(t,n,e){var i=Math.sqrt(Math.pow(t,2)+Math.pow(n,2));return"k/h"===e?this.meterSec2kilometerHour(i):"kt"===e?this.meterSec2Knots(i):i},vectorToDegrees:function(t,n,e){e.endsWith("CCW")&&(n=0<n?n=-n:Math.abs(n));var i=Math.sqrt(Math.pow(t,2)+Math.pow(n,2)),o=180*Math.atan2(t/i,n/i)/Math.PI+180;return"bearingCW"!==e&&"meteoCCW"!==e||360<=(o+=180)&&(o-=360),o},degreesToCardinalDirection:function(t){var n="";return 0<=t&&t<11.25||348.75<=t?n="N":11.25<=t&&t<33.75?n="NNW":33.75<=t&&t<56.25?n="NW":56.25<=t&&t<78.75?n="WNW":78.25<=t&&t<101.25?n="W":101.25<=t&&t<123.75?n="WSW":123.75<=t&&t<146.25?n="SW":146.25<=t&&t<168.75?n="SSW":168.75<=t&&t<191.25?n="S":191.25<=t&&t<213.75?n="SSE":213.75<=t&&t<236.
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