measuretool-googlemaps-v3
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measuretool-googlemaps-v3 - npm Package Compare versions
Comparing version 0.0.4 to 0.0.5
@@ -1,1 +0,1 @@ | ||
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t=this,e=this._segmentText.selectAll("text").data(this._geometry?this._geometry.lines:[]).attr("class","segment-measure-text").attr("text-anchor","middle").attr("dominant-baseline","text-after-edge").attr("transform",function(e){var n=t._projectionUtility.latLngToSvgPoint(e[0]),r=t._projectionUtility.latLngToSvgPoint(e[1]);return t._doTextTransform(n,r)}).text(function(e,n){return t._helper.formatLength(t._helper.computeLengthBetween(e[0],e[1]))});e.enter().append("text").attr("class","segment-measure-text").attr("text-anchor","middle").attr("dominant-baseline","text-after-edge").attr("transform",function(e){var n=t._projectionUtility.latLngToSvgPoint(e[0]),r=t._projectionUtility.latLngToSvgPoint(e[1]);return t._doTextTransform(n,r)}).text(function(e,n){return t._helper.formatLength(t._helper.computeLengthBetween(e[0],e[1]))}),e.exit().remove()}},{key:"_updateNodeText",value:function(){var t=this,e=this._nodeText.selectAll("text").data(this._geometry?this._geometry.nodes:[]).attr("class",function(t,e){return 0===e?"node-measure-text head-text":"node-measure-text"}).attr("text-anchor","middle").attr("dominant-baseline","text-after-edge").attr("x",function(e){return t._projectionUtility.latLngToSvgPoint(e)[0]}).attr("y",this._transformNodeTextY.bind(this)).text(function(e,n){var r=t._helper.computePathLength(t._geometry.nodes.slice(0,n+1));return n===t._geometry.nodes.length-1&&(t._length=r),t._helper.formatLength(r)});e.enter().append("text").attr("class",function(t,e){return 0===e?"node-measure-text head-text":"node-measure-text"}).attr("text-anchor","middle").attr("dominant-baseline","text-after-edge").attr("x",function(e){return t._projectionUtility.latLngToSvgPoint(e)[0]}).attr("y",this._transformNodeTextY.bind(this)).text(function(e,n){var r=t._helper.computePathLength(t._geometry.nodes.slice(0,n+1));return n===t._geometry.nodes.length-1&&(t._length=r),t._helper.formatLength(r)}),e.exit().remove()}},{key:"_onDragCircle",value:function(){var t=this,e=!1,n=(0,g.drag)().on("drag",function(n,r){e=!0,(0,h.select)(this).attr("cx",h.event.x).attr("cy",h.event.y),t._updateLinePosition.call(t,t._linesBase,r),t._updateLinePosition.call(t,t._linesAux,r),t._options.showSegmentLength&&t._updateSegmentTextPosition(r),t._options.showAccumulativeLength&&t._updateNodeTextPosition(r),t._updateArea(r,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y]))});return n.on("start",function(e){h.event.sourceEvent.stopPropagation(),(0,h.select)(this).raise().attr("r",6),t._disableMapScroll()}),n.on("end",function(n,r){t._enableMapScroll(),e?t._geometry.updateNode(r,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])):r>0?(t._geometry.removeNode(r),(0,h.select)(this).classed("removed-circle",!0)):t._geometry.addNode(n),e=!1,t._overlay.draw()}),n}},{key:"_onDragLine",value:function(){var t=this,e=!1,n=(0,g.drag)().on("drag",function(n,r){e||(e=!0,t._geometry.insertNode(r+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])),t._updateLine(),t._options.showSegmentLength&&t._updateSegmentText(),t._options.showAccumulativeLength&&t._updateNodeText()),t._updateHoverCirclePosition(h.event.x,h.event.y),t._updateLinePosition(t._linesBase,r+1),t._updateLinePosition(t._linesAux,r+1),t._options.showSegmentLength&&t._updateSegmentTextPosition(r+1),t._options.showAccumulativeLength&&t._updateNodeTextPosition(r+1),t._updateArea(r+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y]))});return n.on("start",function(){h.event.sourceEvent.stopPropagation(),t._hoverCircle.select("circle").attr("class","cover-circle"),t._disableMapScroll()}),n.on("end",function(n,r){t._enableMapScroll(),e&&(t._geometry.updateNode(r+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])),t._hideHoverCircle(),t._overlay.draw(),e=!1),t._updateArea(r+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])),t._hoverCircle.select("circle").attr("class","grey-circle")}),n}},{key:"_updateLinePosition",value:function(t,e){e<this._geometry.lines.length&&t.select("line:nth-child("+(e+1)+")").attr("x1",h.event.x).attr("y1",h.event.y),e>0&&t.select("line:nth-child("+e+")").attr("x2",h.event.x).attr("y2",h.event.y)}},{key:"_updateSegmentTextPosition",value:function(t){var e=this;t<this._geometry.lines.length&&this._segmentText.select("text:nth-child("+(t+1)+")").attr("transform",function(t){var n=[h.event.x,h.event.y],r=e._projectionUtility.latLngToSvgPoint(t[1]);return 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t=this,e=this._segmentText.selectAll("text").data(this._geometry?this._geometry.lines:[]).attr("class","segment-measure-text").attr("text-anchor","middle").attr("dominant-baseline","text-after-edge").attr("transform",function(e){var n=t._projectionUtility.latLngToSvgPoint(e[0]),i=t._projectionUtility.latLngToSvgPoint(e[1]);return t._doTextTransform(n,i)}).text(function(e,n){return t._helper.formatLength(t._helper.computeLengthBetween(e[0],e[1]))});e.enter().append("text").attr("class","segment-measure-text").attr("text-anchor","middle").attr("dominant-baseline","text-after-edge").attr("transform",function(e){var n=t._projectionUtility.latLngToSvgPoint(e[0]),i=t._projectionUtility.latLngToSvgPoint(e[1]);return t._doTextTransform(n,i)}).text(function(e,n){return t._helper.formatLength(t._helper.computeLengthBetween(e[0],e[1]))}),e.exit().remove()}},{key:"_updateNodeText",value:function(){var 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n===t._geometry.nodes.length-1&&(t._length=i),t._helper.formatLength(i)}),e.exit().remove()}},{key:"_onDragCircle",value:function(){var t=this,e=!1,n=(0,g.drag)().on("drag",function(n,i){e=!0,(0,h.select)(this).attr("cx",h.event.x).attr("cy",h.event.y),t._updateLinePosition.call(t,t._linesBase,i),t._updateLinePosition.call(t,t._linesAux,i),t._options.showSegmentLength&&t._updateSegmentTextPosition(i),t._options.showAccumulativeLength&&t._updateNodeTextPosition(i),t._updateArea(i,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y]))});return n.on("start",function(e){h.event.sourceEvent.stopPropagation(),(0,h.select)(this).raise().attr("r",6),t._disableMapScroll()}),n.on("end",function(n,i){t._enableMapScroll(),e?t._geometry.updateNode(i,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])):i>0?(t._geometry.removeNode(i),(0,h.select)(this).classed("removed-circle",!0)):(t._geometry.addNode(n),t._dragged=!0),e=!1,t._overlay.draw()}),n}},{key:"_onDragLine",value:function(){var t=this,e=!1,n=(0,g.drag)().on("drag",function(n,i){e||(e=!0,t._geometry.insertNode(i+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])),t._updateLine(),t._options.showSegmentLength&&t._updateSegmentText(),t._options.showAccumulativeLength&&t._updateNodeText()),t._updateHoverCirclePosition(h.event.x,h.event.y),t._updateLinePosition(t._linesBase,i+1),t._updateLinePosition(t._linesAux,i+1),t._options.showSegmentLength&&t._updateSegmentTextPosition(i+1),t._options.showAccumulativeLength&&t._updateNodeTextPosition(i+1),t._updateArea(i+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y]))});return n.on("start",function(){h.event.sourceEvent.stopPropagation(),t._hoverCircle.select("circle").attr("class","cover-circle"),t._disableMapScroll()}),n.on("end",function(n,i){t._enableMapScroll(),e&&(t._geometry.updateNode(i+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])),t._hideHoverCircle(),t._overlay.draw(),e=!1),t._updateArea(i+1,t._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])),t._hoverCircle.select("circle").attr("class","grey-circle")}),n}},{key:"_updateLinePosition",value:function(t,e){e<this._geometry.lines.length&&t.select("line:nth-child("+(e+1)+")").attr("x1",h.event.x).attr("y1",h.event.y),e>0&&t.select("line:nth-child("+e+")").attr("x2",h.event.x).attr("y2",h.event.y)}},{key:"_updateSegmentTextPosition",value:function(t){var e=this;t<this._geometry.lines.length&&this._segmentText.select("text:nth-child("+(t+1)+")").attr("transform",function(t){var n=[h.event.x,h.event.y],i=e._projectionUtility.latLngToSvgPoint(t[1]);return e._doTextTransform(n,i)}).text(function(t){return e._helper.formatLength(e._helper.computeLengthBetween(e._projectionUtility.svgPointToLatLng([h.event.x,h.event.y]),t[1]))}),t>0&&this._segmentText.select("text:nth-child("+t+")").attr("transform",function(t){var n=e._projectionUtility.latLngToSvgPoint(t[0]),i=[h.event.x,h.event.y];return e._doTextTransform(n,i)}).text(function(t){return e._helper.formatLength(e._helper.computeLengthBetween(t[0],e._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])))})}},{key:"_updateNodeTextPosition",value:function(t){var e=this;this._nodeText.select("text:nth-child("+(t+1)+")").attr("x",h.event.x).attr("y",function(){var n=void 0;return n=t>0&&e._projectionUtility.latLngToSvgPoint(e._geometry.nodes[t-1])[1]<h.event.y?23:-7,h.event.y+n}),this._nodeText.select("text:nth-child("+(t+2)+")").attr("y",function(n){var i=void 0;return i=t+1>0&&h.event.y<e._projectionUtility.latLngToSvgPoint(n)[1]?23:-7,e._projectionUtility.latLngToSvgPoint(n)[1]+i}),this._nodeText.selectAll("text").filter(function(e,n){return n>=t}).text(function(n,i){var o=e._helper.computePathLength([].concat(r(e._geometry.nodes.slice(0,t)),[e._projectionUtility.svgPointToLatLng([h.event.x,h.event.y])],r(e._geometry.nodes.slice(t+1,t+1+i))));return t+i===e._geometry.nodes.length-1&&(e._length=o),e._helper.formatLength(o)})}},{key:"_doTextTransform",value:function(t,e){var n=_.default.findMidPoint([t,e]),i=void 0;return i=t[0]===e[0]?e[1]>t[1]?90:e[1]<t[1]?270:0:180*Math.atan((e[1]-t[1])/(e[0]-t[0]))/Math.PI,"translate("+n[0]+", "+n[1]+") rotate("+i+")"}},{key:"_updateHoverCirclePosition",value:function(t,e){this._hoverCircle.select("circle").attr("cx",t).attr("cy",e)}},{key:"_hideHoverCircle",value:function(){this._hoverCircle.select("circle").attr("cx",null).attr("cy",null)}},{key:"_disableMapScroll",value:function(){this._map.setOptions({scrollwheel:!1,zoomControl:!1})}},{key:"_enableMapScroll",value:function(){this._map.setOptions({scrollwheel:!0,zoomControl:!0})}},{key:"_transformNodeTextY",value:function(t,e){var n=void 0;return n=e>0&&this._geometry.nodes[e-1][1]>t[1]?23:-7,this._projectionUtility.latLngToSvgPoint(t)[1]+n}},{key:"_updateArea",value:function(t,e){if(this._geometry){var n=this._geometry.nodes.length,i=1/80*this.length,o=void 0,a=0;n>2&&(0===t?(o=this._helper.computeLengthBetween(this._geometry.nodes[n-1],e),a=o>i?0:this._helper.computeArea([e].concat(r(this._geometry.nodes.slice(1,n-1))))):t===n-1?(o=this._helper.computeLengthBetween(e,this._geometry.nodes[0]),a=o>i?0:this._helper.computeArea(this._geometry.nodes.slice(0,n-1))):t>0&&t<n-1?(o=this._helper.computeLengthBetween(this._geometry.nodes[0],this._geometry.nodes[n-1]),a=o>i?0:this._helper.computeArea([].concat(r(this._geometry.nodes.slice(0,t)),[e],r(this._geometry.nodes.slice(t+1))))):(o=this._helper.computeLengthBetween(this._geometry.nodes[0],this._geometry.nodes[n-1]),a=o>i?0:this._helper.computeArea(this._geometry.nodes))),this._area=a,a>0&&this._nodeText.select(":last-child").text("Total distance: "+this.lengthText+"; Total area: "+this.areaText+".")}}}]),t}();e.default=y,t.exports=e.default}])}); |
| { | ||
| "name": "measuretool-googlemaps-v3", | ||
| "version": "0.0.4", | ||
| "version": "0.0.5", | ||
| "description": "This is an in-progress handy measurement tool for Google Maps API V3 similar to what Google Maps offers.", | ||
@@ -36,3 +36,2 @@ "main": "lib/index.js", | ||
| "d3-drag": "^1.0.3", | ||
| "d3-geo": "^1.6.1", | ||
| "d3-selection": "^1.0.4", | ||
@@ -39,0 +38,0 @@ "node-sass": "^4.5.0", |
| # Measurement Tool for Google Maps API V3 | ||
| A handy measurement widget for Google Maps API v3. The functionalities are implemented as close as what current Google Maps offers. | ||
| A handy measurement widget for Google Maps API v3. The functionalities are implemented as close as to what current Google Maps offers. | ||
@@ -10,5 +10,11 @@ ## Demo | ||
| ## Developer Usage | ||
| To create the measurement widget, pass in a `MeasureTool Object Specification` | ||
| ```JavaScript | ||
| ## Developer usage | ||
| #### Basic use | ||
| To create the measurement widget, pass in a Google Map instance. | ||
| ```javascript | ||
| var measureTool = new MeasureTool(map); | ||
| ``` | ||
| #### Pass in `MeasureToolOptions` | ||
| You could also pass in a `MeasureToolOptions` as the second argument to customize to your preference. | ||
| ```javascript | ||
| var measureTool = new MeasureTool(map, { | ||
@@ -19,17 +25,24 @@ showSegmentLength: true, | ||
| ``` | ||
| #### Bind to your own UI | ||
| The `MeasureTool` comes with a context menu out of box for saving your time to create your own. However, if you'd like to bind the `MeasureTool` to your own UI, you could specify `contextMenu` to `false` when constructing the `MeasureTool`. The `MeasureTool` exposes two public methods `start()` and `end()` to start and end measuring. For example, | ||
| ```html | ||
| <button onclick="measureTool.start()">start</button> | ||
| <button onclick="measureTool.end()">end</button> | ||
| ``` | ||
| ```javascript | ||
| var measureTool = new MeasureTool(map, { | ||
| contextMenu: false | ||
| // some other options... | ||
| }); | ||
| ``` | ||
| ## User Usage | ||
| To start measuring, right click a map and choose measure distance. | ||
| ## User usage | ||
| 1. To **start** measuring, *right click* the map and choose **Measure distance**. | ||
| 1. *Left click* the map, and the measurement between the two locations will display. Keep clicking to **add** more measurement waypoints. | ||
| 1. To **remove** a waypoint, *left click* on the waypoint *(the first point cannot be removed)*. | ||
| 1. To **insert** a waypoint on the measurement line, click the line. Waypoints can be moved by *clicking and dragging* them. | ||
| 1. When the *first* point and the *last* point are close enough, the **area** will display. | ||
| 1. To **end** measuring, *right click* the map and choose **Clear measurement**. | ||
| To end measuring, right click a map and choose clear measurement. | ||
| To add a way point, click on the map. | ||
| To remove a way point, click on the waypoint (the first point can not be removed). | ||
| To insert a way point, hover on the line and drag it. | ||
| When the first point and the last point are close enough, the area will show. | ||
| ## API | ||
@@ -39,11 +52,16 @@ ### MeasureTool class | ||
| |-----------|-----------| | ||
| |MeasureTool(map:`google.maps.Map`, opts?:`MeasureToolOptions`)|Creates a new measure tool for the `google.maps.Map` instance.| | ||
| |**MeasureTool(map:`google.maps.Map`, opts?:`MeasureToolOptions`)**|Creates a new measure tool for the `google.maps.Map` instance.| | ||
| |Methods|Description| | ||
| |-------|-----------| | ||
| |**end()**|Return Value: **None** - starts measuring.| | ||
| |**start()**|Return Value: **None** - ends measuring.| | ||
| |Properties|Description| | ||
| |-------|-----------| | ||
| |area|Type: `number` - the total area of the enclosed polygon, the unit is **m²** for `metric` unit and **ft²** for `imperial` unit.| | ||
| |areaText|Type: `string` - the formatted total area with unit of the enclosed polygon.| | ||
| |length|Type: `number` - the total length of the path drawn, the unit is **m** for `metric` unit and **ft** for `imperial` unit.| | ||
| |lengthText|Type: `string` - the formatted total length with unit of the path drawn.| | ||
| |version|Type: `string` - the current version number of **`MeasureTool`**| | ||
| |**area**|Type: `number` - the total area of the enclosed polygon, the unit is **m²** for `metric` unit and **ft²** for `imperial` unit.| | ||
| |**areaText**|Type: `string` - the formatted total area with unit of the enclosed polygon.| | ||
| |**length**|Type: `number` - the total length of the path drawn, the unit is **m** for `metric` unit and **ft** for `imperial` unit.| | ||
| |**lengthText**|Type: `string` - the formatted total length with unit of the path drawn.| | ||
| |**version**|Type: `string` - the current version number of **`MeasureTool`**| | ||
@@ -53,4 +71,4 @@ ### MeasureToolOptions object specification | ||
| |-------|-----------| | ||
| |showSegmentLength|Type: `boolean` - display segment length along the path. Enabled by default.| | ||
| |unit|Type: `UnitTypeId` - the unit type to use for the measured length and area. Defaults to `MeasureTool.UnitTypeId.METRIC`.| | ||
| |**showSegmentLength**|Type: `boolean` - display segment length along the path. Enabled by default.| | ||
| |**unit**|Type: `UnitTypeId` - the unit type to use for the measured length and area. Defaults to `MeasureTool.UnitTypeId.METRIC`.| | ||
@@ -62,4 +80,3 @@ ### UnitTypeId constants | ||
| |--------|-----------| | ||
| |IMPERIAL|This unit type shows measured length in US foot (ft) and mile (mi), and area in US square foot (ft²) and square mile (mi²).| | ||
| |METRIC|This unit type shows measured length in meter (m) and kilometer (km), and area in square meter (m²) and square kilometer (km²).| | ||
| |**IMPERIAL**|This unit type shows measured length in US foot (ft) and mile (mi), and area in US square foot (ft²) and square mile (mi²).| | ||
| |**METRIC**|This unit type shows measured length in meter (m) and kilometer (km), and area in square meter (m²) and square kilometer (km²).| |
@@ -52,4 +52,4 @@ import {UnitTypeId} from './UnitTypeId'; | ||
| static computePixelLength(p1, p2) { | ||
| return Math.sqrt(Math.pow(p1[0] - p2[0], 2) + Math.pow(p1[1] - p2[1], 2)); | ||
| static makeId(n) { | ||
| return (Math.random().toString(36)+'00000000000000000').slice(2, n + 2); | ||
| } | ||
@@ -56,0 +56,0 @@ /** |
@@ -24,2 +24,3 @@ import css from 'index.scss'; | ||
| showAccumulativeLength: true, | ||
| contextMenu: true, | ||
| unit: UnitTypeId.METRIC | ||
@@ -30,2 +31,3 @@ }; | ||
| this._map.setClickableIcons(false); | ||
| this._id = Helper.makeId(4); | ||
| this._init(); | ||
@@ -35,5 +37,8 @@ } | ||
| _init() { | ||
| this._contextMenu = new ContextMenu(this._map.getDiv(), { width: 160 }); | ||
| this._startElementNode = this._contextMenu.addItem("Measure distance", true, this._startMeasure, this); | ||
| this._endElementNode = this._contextMenu.addItem("Clear measurement", false, this._endMeasure, this); | ||
| if (this._options.contextMenu) { | ||
| this._contextMenu = new ContextMenu(this._map.getDiv(), { width: 160 }); | ||
| this._startElementNode = this._contextMenu.addItem("Measure distance", true, this.start, this); | ||
| this._endElementNode = this._contextMenu.addItem("Clear measurement", false, this.end, this); | ||
| this._bindToggleContextMenu(); | ||
| } | ||
@@ -45,3 +50,2 @@ this._helper = new Helper({ | ||
| this._setOverlay(); | ||
| this._bindToggleContextMenu(); | ||
| } | ||
@@ -70,16 +74,28 @@ | ||
| _startMeasure() { | ||
| console.log("start measure"); | ||
| /** | ||
| * start measuring | ||
| */ | ||
| start() { | ||
| if (this._started) return; | ||
| this._geometry = new Geometry(); | ||
| this._checkClick(this._firstClick); | ||
| this._contextMenu.toggleItems([this._endElementNode], [this._startElementNode]); | ||
| if (this._options.contextMenu && this._firstClick) { | ||
| this._checkClick(this._firstClick); | ||
| this._contextMenu.toggleItems([this._endElementNode], [this._startElementNode]); | ||
| } | ||
| this._mapClickEvent = this._map.addListener('click', mouseEvent => this._checkClick(mouseEvent)); | ||
| this._mapZoomChangedEvent = this._map.addListener('zoom_changed', () => this._redrawOverlay()); | ||
| this._map.setOptions({draggableCursor: 'default'}); | ||
| this._started = true; | ||
| } | ||
| _endMeasure() { | ||
| console.log("end measure"); | ||
| this._contextMenu.toggleItems([this._startElementNode], [this._endElementNode]); | ||
| /** | ||
| * end measuring | ||
| */ | ||
| end() { | ||
| if (!this._started) return; | ||
| if (this._options.contextMenu) { | ||
| this._contextMenu.toggleItems([this._startElementNode], [this._endElementNode]); | ||
| } | ||
@@ -93,2 +109,3 @@ this._mapClickEvent.remove(); | ||
| this._map.setOptions({draggableCursor: null}); | ||
| this._started = false; | ||
| } | ||
@@ -108,4 +125,6 @@ | ||
| this._svgOverlay = select(this._overlay.getPanes().overlayMouseTarget) | ||
| .append('div').attr('id', `${Config.prefix}-svg-container`).attr('class',`${Config.prefix}-measure-points`) | ||
| .append('svg').attr('class',`${Config.prefix}-svg-overlay`); | ||
| .append('div') | ||
| .attr('class',`${Config.prefix}-measure-points-${this._id}`) | ||
| .append('svg') | ||
| .attr('class',`${Config.prefix}-svg-overlay`); | ||
@@ -175,3 +194,3 @@ this._linesBase = this._svgOverlay | ||
| _onRemoveOverlay() { | ||
| select(`.${Config.prefix}-measure-points`).remove(); | ||
| select(`.${Config.prefix}-measure-points-${this._id}`).remove(); | ||
| } | ||
@@ -192,3 +211,3 @@ | ||
| // Use circle radius 'r' as a flag to determine if it is a delete or add event. | ||
| if(this._nodeCircles.selectAll('circle[r="6"]').size() == 0 && | ||
| if(!this._dragged && this._nodeCircles.selectAll('circle[r="6"]').size() == 0 && | ||
| !this._hoverCircle.select("circle").attr('cx')) { | ||
@@ -199,3 +218,3 @@ let latLng = [mouseEvent.latLng.lng(), mouseEvent.latLng.lat()]; | ||
| } | ||
| this._dragged = false; | ||
| } | ||
@@ -390,3 +409,3 @@ | ||
| self._geometry.addNode(d); | ||
| // self._overlay.draw(); | ||
| self._dragged = true; | ||
| } | ||
@@ -393,0 +412,0 @@ } else { |
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- decreased by-6.67%
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- increased by0.92%
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