diff --git a/dist/maptalks.plot.js b/dist/maptalks.plot.js
index 82fbbff..5090bdb 100644
--- a/dist/maptalks.plot.js
+++ b/dist/maptalks.plot.js
@@ -68,8 +68,268 @@ var PlotTypes = Object.freeze({
CURVEFLAG: CURVEFLAG
});
+var FITTING_COUNT = 100;
+
+var ZERO_TOLERANCE = 0.0001;
+
var BASE_LAYERNAME = 'maptalks-plot-vector-layer';
+var MathDistance = function MathDistance(pnt1, pnt2) {
+ return Math.sqrt(Math.pow(pnt1[0] - pnt2[0], 2) + Math.pow(pnt1[1] - pnt2[1], 2));
+};
+
+
+
+
+
+var Mid = function Mid(point1, point2) {
+ return [(point1[0] + point2[0]) / 2, (point1[1] + point2[1]) / 2];
+};
+
+var getCircleCenterOfThreePoints = function getCircleCenterOfThreePoints(point1, point2, point3) {
+ var pntA = [(point1[0] + point2[0]) / 2, (point1[1] + point2[1]) / 2];
+ var pntB = [pntA[0] - point1[1] + point2[1], pntA[1] + point1[0] - point2[0]];
+ var pntC = [(point1[0] + point3[0]) / 2, (point1[1] + point3[1]) / 2];
+ var pntD = [pntC[0] - point1[1] + point3[1], pntC[1] + point1[0] - point3[0]];
+ return getIntersectPoint(pntA, pntB, pntC, pntD);
+};
+
+var getIntersectPoint = function getIntersectPoint(pntA, pntB, pntC, pntD) {
+ if (pntA[1] === pntB[1]) {
+ var _f = (pntD[0] - pntC[0]) / (pntD[1] - pntC[1]);
+ var _x = _f * (pntA[1] - pntC[1]) + pntC[0];
+ var _y = pntA[1];
+ return [_x, _y];
+ }
+ if (pntC[1] === pntD[1]) {
+ var _e = (pntB[0] - pntA[0]) / (pntB[1] - pntA[1]);
+ var _x2 = _e * (pntC[1] - pntA[1]) + pntA[0];
+ var _y2 = pntC[1];
+ return [_x2, _y2];
+ }
+ var e = (pntB[0] - pntA[0]) / (pntB[1] - pntA[1]);
+ var f = (pntD[0] - pntC[0]) / (pntD[1] - pntC[1]);
+ var y = (e * pntA[1] - pntA[0] - f * pntC[1] + pntC[0]) / (e - f);
+ var x = e * y - e * pntA[1] + pntA[0];
+ return [x, y];
+};
+
+var getAzimuth = function getAzimuth(startPoint, endPoint) {
+ var azimuth = void 0;
+ var angle = Math.asin(Math.abs(endPoint[1] - startPoint[1]) / MathDistance(startPoint, endPoint));
+ if (endPoint[1] >= startPoint[1] && endPoint[0] >= startPoint[0]) {
+ azimuth = angle + Math.PI;
+ } else if (endPoint[1] >= startPoint[1] && endPoint[0] < startPoint[0]) {
+ azimuth = Math.PI * 2 - angle;
+ } else if (endPoint[1] < startPoint[1] && endPoint[0] < startPoint[0]) {
+ azimuth = angle;
+ } else if (endPoint[1] < startPoint[1] && endPoint[0] >= startPoint[0]) {
+ azimuth = Math.PI - angle;
+ }
+ return azimuth;
+};
+
+
+
+var isClockWise = function isClockWise(pnt1, pnt2, pnt3) {
+ return (pnt3[1] - pnt1[1]) * (pnt2[0] - pnt1[0]) > (pnt2[1] - pnt1[1]) * (pnt3[0] - pnt1[0]);
+};
+
+
+
+var getCubicValue = function getCubicValue(t, startPnt, cPnt1, cPnt2, endPnt) {
+ t = Math.max(Math.min(t, 1), 0);
+ var tp = 1 - t,
+ t2 = t * t;
+
+ var t3 = t2 * t;
+ var tp2 = tp * tp;
+ var tp3 = tp2 * tp;
+ var x = tp3 * startPnt[0] + 3 * tp2 * t * cPnt1[0] + 3 * tp * t2 * cPnt2[0] + t3 * endPnt[0];
+ var y = tp3 * startPnt[1] + 3 * tp2 * t * cPnt1[1] + 3 * tp * t2 * cPnt2[1] + t3 * endPnt[1];
+ return [x, y];
+};
+
+
+
+var getArcPoints = function getArcPoints(center, radius, startAngle, endAngle) {
+ var x = null,
+ y = null,
+ pnts = [],
+ angleDiff = endAngle - startAngle;
+
+ angleDiff = angleDiff < 0 ? angleDiff + Math.PI * 2 : angleDiff;
+ for (var i = 0; i < 100; i++) {
+ var angle = startAngle + angleDiff * i / 100;
+ x = center[0] + radius * Math.cos(angle);
+ y = center[1] + radius * Math.sin(angle);
+ pnts.push([x, y]);
+ }
+ return pnts;
+};
+
+var getBisectorNormals = function getBisectorNormals(t, pnt1, pnt2, pnt3) {
+ var normal = getNormal(pnt1, pnt2, pnt3);
+ var bisectorNormalRight = null,
+ bisectorNormalLeft = null,
+ dt = null,
+ x = null,
+ y = null;
+
+ var dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1]);
+ var uX = normal[0] / dist;
+ var uY = normal[1] / dist;
+ var d1 = MathDistance(pnt1, pnt2);
+ var d2 = MathDistance(pnt2, pnt3);
+ if (dist > ZERO_TOLERANCE) {
+ if (isClockWise(pnt1, pnt2, pnt3)) {
+ dt = t * d1;
+ x = pnt2[0] - dt * uY;
+ y = pnt2[1] + dt * uX;
+ bisectorNormalRight = [x, y];
+ dt = t * d2;
+ x = pnt2[0] + dt * uY;
+ y = pnt2[1] - dt * uX;
+ bisectorNormalLeft = [x, y];
+ } else {
+ dt = t * d1;
+ x = pnt2[0] + dt * uY;
+ y = pnt2[1] - dt * uX;
+ bisectorNormalRight = [x, y];
+ dt = t * d2;
+ x = pnt2[0] - dt * uY;
+ y = pnt2[1] + dt * uX;
+ bisectorNormalLeft = [x, y];
+ }
+ } else {
+ x = pnt2[0] + t * (pnt1[0] - pnt2[0]);
+ y = pnt2[1] + t * (pnt1[1] - pnt2[1]);
+ bisectorNormalRight = [x, y];
+ x = pnt2[0] + t * (pnt3[0] - pnt2[0]);
+ y = pnt2[1] + t * (pnt3[1] - pnt2[1]);
+ bisectorNormalLeft = [x, y];
+ }
+ return [bisectorNormalRight, bisectorNormalLeft];
+};
+
+var getNormal = function getNormal(pnt1, pnt2, pnt3) {
+ var dX1 = pnt1[0] - pnt2[0];
+ var dY1 = pnt1[1] - pnt2[1];
+ var d1 = Math.sqrt(dX1 * dX1 + dY1 * dY1);
+ dX1 /= d1;
+ dY1 /= d1;
+ var dX2 = pnt3[0] - pnt2[0];
+ var dY2 = pnt3[1] - pnt2[1];
+ var d2 = Math.sqrt(dX2 * dX2 + dY2 * dY2);
+ dX2 /= d2;
+ dY2 /= d2;
+ var uX = dX1 + dX2;
+ var uY = dY1 + dY2;
+ return [uX, uY];
+};
+
+var getLeftMostControlPoint = function getLeftMostControlPoint(controlPoints, t) {
+ var _ref = [controlPoints[0], controlPoints[1], controlPoints[2], null, null],
+ pnt1 = _ref[0],
+ pnt2 = _ref[1],
+ pnt3 = _ref[2],
+ controlX = _ref[3],
+ controlY = _ref[4];
+
+ var pnts = getBisectorNormals(0, pnt1, pnt2, pnt3);
+ var normalRight = pnts[0];
+ var normal = getNormal(pnt1, pnt2, pnt3);
+ var dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1]);
+ if (dist > ZERO_TOLERANCE) {
+ var mid = Mid(pnt1, pnt2);
+ var pX = pnt1[0] - mid[0];
+ var pY = pnt1[1] - mid[1];
+ var d1 = MathDistance(pnt1, pnt2);
+ var n = 2.0 / d1;
+ var nX = -n * pY;
+ var nY = n * pX;
+ var a11 = nX * nX - nY * nY;
+ var a12 = 2 * nX * nY;
+ var a22 = nY * nY - nX * nX;
+ var dX = normalRight[0] - mid[0];
+ var dY = normalRight[1] - mid[1];
+ controlX = mid[0] + a11 * dX + a12 * dY;
+ controlY = mid[1] + a12 * dX + a22 * dY;
+ } else {
+ controlX = pnt1[0] + t * (pnt2[0] - pnt1[0]);
+ controlY = pnt1[1] + t * (pnt2[1] - pnt1[1]);
+ }
+ return [controlX, controlY];
+};
+
+var getRightMostControlPoint = function getRightMostControlPoint(controlPoints, t) {
+ var count = controlPoints.length;
+ var pnt1 = controlPoints[count - 3];
+ var pnt2 = controlPoints[count - 2];
+ var pnt3 = controlPoints[count - 1];
+ var pnts = getBisectorNormals(0, pnt1, pnt2, pnt3);
+ var normalLeft = pnts[1];
+ var normal = getNormal(pnt1, pnt2, pnt3);
+ var dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1]);
+ var controlX = null,
+ controlY = null;
+
+ if (dist > ZERO_TOLERANCE) {
+ var mid = Mid(pnt2, pnt3);
+ var pX = pnt3[0] - mid[0];
+ var pY = pnt3[1] - mid[1];
+ var d1 = MathDistance(pnt2, pnt3);
+ var n = 2.0 / d1;
+ var nX = -n * pY;
+ var nY = n * pX;
+ var a11 = nX * nX - nY * nY;
+ var a12 = 2 * nX * nY;
+ var a22 = nY * nY - nX * nX;
+ var dX = normalLeft[0] - mid[0];
+ var dY = normalLeft[1] - mid[1];
+ controlX = mid[0] + a11 * dX + a12 * dY;
+ controlY = mid[1] + a12 * dX + a22 * dY;
+ } else {
+ controlX = pnt3[0] + t * (pnt2[0] - pnt3[0]);
+ controlY = pnt3[1] + t * (pnt2[1] - pnt3[1]);
+ }
+ return [controlX, controlY];
+};
+
+var getCurvePoints = function getCurvePoints(t, controlPoints) {
+ var leftControl = getLeftMostControlPoint(controlPoints, t);
+ var pnt1 = null,
+ pnt2 = null,
+ pnt3 = null,
+ normals = [leftControl],
+ points = [];
+
+ for (var i = 0; i < controlPoints.length - 2; i++) {
+ var _ref2 = [controlPoints[i], controlPoints[i + 1], controlPoints[i + 2]];
+ pnt1 = _ref2[0];
+ pnt2 = _ref2[1];
+ pnt3 = _ref2[2];
+
+ var normalPoints = getBisectorNormals(t, pnt1, pnt2, pnt3);
+ normals = normals.concat(normalPoints);
+ }
+ var rightControl = getRightMostControlPoint(controlPoints, t);
+ if (rightControl) {
+ normals.push(rightControl);
+ }
+ for (var _i = 0; _i < controlPoints.length - 1; _i++) {
+ pnt1 = controlPoints[_i];
+ pnt2 = controlPoints[_i + 1];
+ points.push(pnt1);
+ for (var _t = 0; _t < FITTING_COUNT; _t++) {
+ var pnt = getCubicValue(_t / FITTING_COUNT, pnt1, normals[_i * 2], normals[_i * 2 + 1], pnt2);
+ points.push(pnt);
+ }
+ points.push(pnt2);
+ }
+ return points;
+};
+
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
@@ -247,52 +507,158 @@ var possibleConstructorReturn = function (self, call) {
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
-var Canvas2d = maptalks.Canvas;
+var Coordinate$1 = maptalks.Coordinate;
var options = {
- 'arcDegree': 90
+ 'arrowStyle': null,
+ 'arrowPlacement': 'vertex-last',
+ 'clipToPaint': true
+};
+
+var Arc = function (_maptalks$LineString) {
+ inherits(Arc, _maptalks$LineString);
+
+ function Arc(coordinates) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, Arc);
+
+ var _this = possibleConstructorReturn(this, _maptalks$LineString.call(this, options));
+
+ _this.type = 'Arc';
+ _this._coordinates = [];
+ if (coordinates) {
+ _this.setPoints(coordinates);
+ }
+ return _this;
+ }
+
+ Arc.prototype._generate = function _generate() {
+ var count = this._coordinates.length;
+ if (count < 2) return;
+ if (count === 2) {
+ this.setCoordinates(this._coordinates);
+ } else {
+ var _ref = [this._coordinates[0], this._coordinates[1], this._coordinates[2], null, null],
+ pnt1 = _ref[0],
+ pnt2 = _ref[1],
+ pnt3 = _ref[2],
+ startAngle = _ref[3],
+ endAngle = _ref[4];
+
+ var center = getCircleCenterOfThreePoints([pnt1['x'], pnt1['y']], [pnt2['x'], pnt2['y']], [pnt3['x'], pnt3['y']]);
+ var radius = MathDistance([pnt1['x'], pnt1['y']], center);
+ var angle1 = getAzimuth([pnt1['x'], pnt1['y']], center);
+ var angle2 = getAzimuth([pnt2['x'], pnt2['y']], center);
+ if (isClockWise([pnt1['x'], pnt1['y']], [pnt2['x'], pnt2['y']], [pnt3['x'], pnt3['y']])) {
+ startAngle = angle2;
+ endAngle = angle1;
+ } else {
+ startAngle = angle1;
+ endAngle = angle2;
+ }
+ var points = getArcPoints(center, radius, startAngle, endAngle);
+ if (Array.isArray(points)) {
+ var _points = points.map(function (_item) {
+ if (Array.isArray(_item)) {
+ if (!isNaN(_item[0]) && !isNaN(_item[1])) {
+ return new Coordinate$1(_item[0], _item[1]);
+ }
+ } else {
+ return _item;
+ }
+ });
+ this.setCoordinates(_points);
+ }
+ }
+ };
+
+ Arc.prototype.setPoints = function setPoints(coordinates) {
+ this._coordinates = !coordinates ? [] : coordinates;
+ if (this._coordinates.length >= 1) {
+ this._generate();
+ }
+ };
+
+ Arc.prototype._exportGeoJSONGeometry = function _exportGeoJSONGeometry() {
+ var points = this.getCoordinates();
+ var coordinates = Coordinate$1.toNumberArrays(points);
+ return {
+ 'type': 'LineString',
+ 'coordinates': coordinates
+ };
+ };
+
+ Arc.prototype._toJSON = function _toJSON(options) {
+ return {
+ 'feature': this.toGeoJSON(options)
+ };
+ };
+
+ return Arc;
+}(maptalks.LineString);
+
+Arc.mergeOptions(options);
+
+Arc.registerJSONType('Arc');
+
+var Coordinate$2 = maptalks.Coordinate;
+var options$1 = {
+ 'arrowStyle': null,
+ 'arrowPlacement': 'vertex-last',
+ 'clipToPaint': true
};
var Curve = function (_maptalks$LineString) {
inherits(Curve, _maptalks$LineString);
- function Curve() {
+ function Curve(coordinates) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, Curve);
- return possibleConstructorReturn(this, _maptalks$LineString.apply(this, arguments));
+
+ var _this = possibleConstructorReturn(this, _maptalks$LineString.call(this, options));
+
+ _this.type = 'Curve';
+ _this._coordinates = [];
+ if (coordinates) {
+ _this.setPoints(coordinates);
+ }
+ return _this;
}
- Curve.prototype._arc = function _arc(ctx, points, lineOpacity) {
- var degree = this.options['arcDegree'] * Math.PI / 180;
- for (var i = 1, l = points.length; i < l; i++) {
- Canvas2d._arcBetween(ctx, points[i - 1], points[i], degree);
- Canvas2d._stroke(ctx, lineOpacity);
- }
- };
-
- Curve.prototype._quadraticCurve = function _quadraticCurve(ctx, points) {
- if (points.length <= 2) {
- Canvas2d._path(ctx, points);
- return;
- }
- Canvas2d.quadraticCurve(ctx, points);
- };
-
- Curve.prototype._bezierCurve = function _bezierCurve(ctx, points) {
- if (points.length <= 3) {
- Canvas2d._path(ctx, points);
- return;
- }
- var i = void 0,
- l = void 0;
- for (i = 1, l = points.length; i + 2 < l; i += 3) {
- ctx.bezierCurveTo(points[i].x, points[i].y, points[i + 1].x, points[i + 1].y, points[i + 2].x, points[i + 2].y);
- }
- if (i < l) {
- for (; i < l; i++) {
- ctx.lineTo(points[i].x, points[i].y);
+ Curve.prototype._generate = function _generate() {
+ var count = this._coordinates.length;
+ if (count < 2) {
+ return false;
+ } else if (count === 2) {
+ this.setCoordinates(this._coordinates);
+ } else {
+ var _coordinates = this._coordinates.map(function (_item) {
+ if (_item && _item.hasOwnProperty('x')) {
+ return [_item['x'], _item['y']];
+ } else if (Array.isArray(_item)) {
+ return _item;
+ }
+ });
+ var points = getCurvePoints(0.3, _coordinates);
+ if (Array.isArray(points)) {
+ var _points = points.map(function (_item) {
+ if (Array.isArray(_item)) {
+ return new Coordinate$2(_item[0], _item[1]);
+ } else {
+ return _item;
+ }
+ });
+ this.setCoordinates(_points);
}
}
};
+ Curve.prototype.setPoints = function setPoints(coordinates) {
+ this._coordinates = !coordinates ? [] : coordinates;
+ if (this._coordinates.length >= 1) {
+ this._generate();
+ }
+ };
+
Curve.prototype._toJSON = function _toJSON(options) {
return {
'feature': this.toGeoJSON(options),
@@ -300,13 +666,6 @@ var Curve = function (_maptalks$LineString) {
};
};
- Curve.prototype._paintOn = function _paintOn(ctx, points, lineOpacity) {
- ctx.beginPath();
- this._arc(ctx, points, lineOpacity);
- Canvas2d._stroke(ctx, lineOpacity);
- this._paintArrow(ctx, points, lineOpacity);
- };
-
Curve.fromJSON = function fromJSON(json) {
var feature = json['feature'];
var arc = new Curve(feature['geometry']['coordinates'], json['options']);
@@ -318,10 +677,10 @@ var Curve = function (_maptalks$LineString) {
}(maptalks.LineString);
Curve.registerJSONType('Curve');
-Curve.mergeOptions(options);
+Curve.mergeOptions(options$1);
-var Coordinate$1 = maptalks.Coordinate;
-var options$1 = {
+var Coordinate$3 = maptalks.Coordinate;
+var options$2 = {
'arrowStyle': null,
'arrowPlacement': 'vertex-last',
'clipToPaint': true
@@ -343,9 +702,15 @@ var Polyline = function (_maptalks$LineString) {
return _this;
}
+ Polyline.prototype.setPoints = function setPoints(coordinates) {
+ if (coordinates) {
+ this.setCoordinates(coordinates);
+ }
+ };
+
Polyline.prototype._exportGeoJSONGeometry = function _exportGeoJSONGeometry() {
var points = this.getCoordinates();
- var coordinates = Coordinate$1.toNumberArrays(points);
+ var coordinates = Coordinate$3.toNumberArrays(points);
return {
'type': 'LineString',
'coordinates': coordinates
@@ -361,12 +726,12 @@ var Polyline = function (_maptalks$LineString) {
return Polyline;
}(maptalks.LineString);
-Polyline.mergeOptions(options$1);
+Polyline.mergeOptions(options$2);
Polyline.registerJSONType('Polyline');
-var Coordinate$2 = maptalks.Coordinate;
-var options$2 = {
+var Coordinate$4 = maptalks.Coordinate;
+var options$3 = {
'arrowStyle': null,
'arrowPlacement': 'vertex-last',
'clipToPaint': true
@@ -388,9 +753,15 @@ var FreeLine = function (_maptalks$LineString) {
return _this;
}
+ FreeLine.prototype.setPoints = function setPoints(coordinates) {
+ if (coordinates) {
+ this.setCoordinates(coordinates);
+ }
+ };
+
FreeLine.prototype._exportGeoJSONGeometry = function _exportGeoJSONGeometry() {
var points = this.getCoordinates();
- var coordinates = Coordinate$2.toNumberArrays(points);
+ var coordinates = Coordinate$4.toNumberArrays(points);
return {
'type': 'LineString',
'coordinates': coordinates
@@ -406,42 +777,59 @@ var FreeLine = function (_maptalks$LineString) {
return FreeLine;
}(maptalks.LineString);
-FreeLine.mergeOptions(options$2);
+FreeLine.mergeOptions(options$3);
FreeLine.registerJSONType('FreeLine');
var RegisterModes = {};
+RegisterModes[ARC] = {
+ 'freehand': false,
+ 'limitClickCount': 3,
+ 'action': ['click', 'mousemove'],
+ 'create': function create(path) {
+ return new Arc(path);
+ },
+ 'update': function update(path, geometry) {
+ geometry.setPoints(path);
+ },
+ 'generate': function generate(geometry) {
+ return geometry;
+ }
+};
RegisterModes[CURVE] = {
- 'action': ['click', 'click', 'dbclick'],
+ 'freehand': false,
+ 'action': ['click', 'mousemove', 'dblclick'],
'create': function create(path) {
return new Curve(path);
},
'update': function update(path, geometry) {
- geometry.setCoordinates(path);
+ geometry.setPoints(path);
},
'generate': function generate(geometry) {
return geometry;
}
};
RegisterModes[POLYLINE] = {
- 'action': ['click', 'mousemove', 'dbclick'],
+ 'freehand': false,
+ 'action': ['click', 'mousemove', 'dblclick'],
'create': function create(path) {
return new Polyline(path);
},
'update': function update(path, geometry) {
- geometry.setCoordinates(path);
+ geometry.setPoints(path);
},
'generate': function generate(geometry) {
return geometry;
}
};
RegisterModes[FREE_LINE] = {
+ 'freehand': true,
'action': ['mousedown', 'drag', 'mouseup'],
'create': function create(path) {
return new FreeLine(path);
},
'update': function update(path, geometry) {
- geometry.setCoordinates(path);
+ geometry.setPoints(path);
},
'generate': function generate(geometry) {
return geometry;
@@ -504,6 +892,15 @@ var PlotDraw = function (_maptalks$MapTool) {
_this.layerName = _this.options && _this.options['layerName'] ? _this.options['layerName'] : BASE_LAYERNAME;
_this.drawLayer = null;
+
+ _this.events = {
+ 'click': _this._firstClickHandler,
+ 'mousemove': _this._mouseMoveHandler,
+ 'dblclick': _this._doubleClickHandler,
+ 'mousedown': _this._mouseDownHandler,
+ 'mouseup': _this._mouseUpHandler,
+ 'drag': _this._mouseMoveHandler
+ };
return _this;
}
@@ -565,17 +962,49 @@ var PlotDraw = function (_maptalks$MapTool) {
PlotDraw.prototype.getEvents = function getEvents() {
var action = this._getRegisterMode()['action'];
+ var _events = {};
if (Array.isArray(action)) {
- return {
- 'click': this._firstClickHandler,
- 'mousemove': this._mouseMoveHandler,
- 'dblclick': this._doubleClickHandler
- };
+ for (var i = 0; i < action.length; i++) {
+ if (action[i] === 'drag') {
+ _events['mousemove'] = this.events[action[i]];
+ } else {
+ _events[action[i]] = this.events[action[i]];
+ }
+ }
+ return _events;
}
return null;
};
+ PlotDraw.prototype._mouseDownHandler = function _mouseDownHandler(event) {
+ this._createGeometry(event);
+ };
+
+ PlotDraw.prototype._mouseUpHandler = function _mouseUpHandler(event) {
+ this.endDraw(event);
+ };
+
PlotDraw.prototype._firstClickHandler = function _firstClickHandler(event) {
+ this._createGeometry(event);
+ var registerMode = this._getRegisterMode();
+ var coordinate = event['coordinate'];
+ if (this._geometry) {
+ if (!(this._historyPointer === null)) {
+ this._clickCoords = this._clickCoords.slice(0, this._historyPointer);
+ }
+ this._clickCoords.push(coordinate);
+ this._historyPointer = this._clickCoords.length;
+ if (registerMode['limitClickCount'] && registerMode['limitClickCount'] === this._historyPointer) {
+ registerMode['update'](this._clickCoords, this._geometry, event);
+ this.endDraw(event);
+ } else {
+ registerMode['update'](this._clickCoords, this._geometry, event);
+ }
+ this._fireEvent('drawvertex', event);
+ }
+ };
+
+ PlotDraw.prototype._createGeometry = function _createGeometry(event) {
var registerMode = this._getRegisterMode();
var coordinate = event['coordinate'];
var symbol = this.getSymbol();
@@ -587,14 +1016,6 @@ var PlotDraw = function (_maptalks$MapTool) {
}
this._addGeometryToStage(this._geometry);
this._fireEvent('drawstart', event);
- } else {
- if (!(this._historyPointer === null)) {
- this._clickCoords = this._clickCoords.slice(0, this._historyPointer);
- }
- this._clickCoords.push(coordinate);
- this._historyPointer = this._clickCoords.length;
- registerMode['update'](this._clickCoords, this._geometry, event);
- this._fireEvent('drawvertex', event);
}
};
@@ -613,7 +1034,16 @@ var PlotDraw = function (_maptalks$MapTool) {
if (path && path.length > 0 && coordinate.equals(path[path.length - 1])) {
return;
}
- registerMode['update'](path.concat([coordinate]), this._geometry, event);
+ if (!registerMode.freehand) {
+ registerMode['update'](path.concat([coordinate]), this._geometry, event);
+ } else {
+ if (!(this._historyPointer === null)) {
+ this._clickCoords = this._clickCoords.slice(0, this._historyPointer);
+ }
+ this._clickCoords.push(coordinate);
+ this._historyPointer = this._clickCoords.length;
+ registerMode['update'](this._clickCoords, this._geometry, event);
+ }
this._fireEvent('mousemove', event);
};
@@ -771,7 +1201,6 @@ var PlotDraw = function (_maptalks$MapTool) {
var desc = Object.getOwnPropertyDescriptor(modes, key);
var _key = key.toLowerCase();
Object.defineProperty(registeredMode, _key, desc);
- console.log(registeredMode);
}
}
}
diff --git a/dist/maptalks.plot.js.map b/dist/maptalks.plot.js.map
index 7a46550..b455871 100644
--- a/dist/maptalks.plot.js.map
+++ b/dist/maptalks.plot.js.map
@@ -1 +1 @@
-{"version":3,"file":"maptalks.plot.js","sources":["../src/core/PlotTypes.js","../src/Constants.js","../src/geometry/Polyline/Curve.js","../src/geometry/Polyline/Polyline.js","../src/geometry/Polyline/FreeLine.js","../src/geometry/index.js","../src/utils/utils.js","../src/core/PlotDraw.js"],"sourcesContent":["/**\n * Created by FDD on 2017/5/20.\n */\nconst TextArea = 'TextArea' // 文本标绘（特殊）\nconst ARC = 'Arc'\nconst CURVE = 'Curve'\nconst GATHERING_PLACE = 'GatheringPlace'\nconst POLYLINE = 'Polyline'\nconst FREE_LINE = 'FreeLine'\nconst POINT = 'Point'\nconst PENNANT = 'Pennant'\nconst RECTANGLE = 'RectAngle'\nconst CIRCLE = 'Circle'\nconst ELLIPSE = 'Ellipse'\nconst LUNE = 'Lune'\nconst SECTOR = 'Sector'\nconst CLOSED_CURVE = 'ClosedCurve'\nconst POLYGON = 'Polygon'\nconst FREE_POLYGON = 'FreePolygon'\nconst ATTACK_ARROW = 'AttackArrow'\nconst DOUBLE_ARROW = 'DoubleArrow'\nconst STRAIGHT_ARROW = 'StraightArrow'\nconst FINE_ARROW = 'FineArrow'\nconst ASSAULT_DIRECTION = 'AssaultDirection'\nconst TAILED_ATTACK_ARROW = 'TailedAttackArrow'\nconst SQUAD_COMBAT = 'SquadCombat'\nconst TAILED_SQUAD_COMBAT = 'TailedSquadCombat'\nconst RECTFLAG = 'RectFlag'\nconst TRIANGLEFLAG = 'TriangleFlag'\nconst CURVEFLAG = 'CurveFlag'\nexport {\n TextArea,\n ARC,\n CURVE,\n GATHERING_PLACE,\n POLYLINE,\n FREE_LINE,\n POINT,\n PENNANT,\n RECTANGLE,\n CIRCLE,\n ELLIPSE,\n LUNE,\n SECTOR,\n CLOSED_CURVE,\n POLYGON,\n FREE_POLYGON,\n ATTACK_ARROW,\n DOUBLE_ARROW,\n STRAIGHT_ARROW,\n FINE_ARROW,\n ASSAULT_DIRECTION,\n TAILED_SQUAD_COMBAT,\n TAILED_ATTACK_ARROW,\n SQUAD_COMBAT,\n RECTFLAG,\n TRIANGLEFLAG,\n CURVEFLAG\n}\n","/**\n * Created by FDD on 2017/5/22.\n * @desc 常用变量\n */\nexport const FITTING_COUNT = 100\nexport const HALF_PI = Math.PI / 2\nexport const ZERO_TOLERANCE = 0.0001\nexport const TWO_PI = Math.PI * 2\nexport const BASE_LAYERNAME = 'maptalks-plot-vector-layer' // 矢量图层名，（唯一标识）\nexport const BASE_HELP_CONTROL_POINT_ID = 'plot-helper-control-point-div' // 控制点要素的基类id\nexport const BASE_HELP_HIDDEN = 'plot-helper-hidden-div' // 父类隐藏容器\nexport const INTERNAL_LAYER_PREFIX = '_maptalks__internal_layer_'\nexport const DEF_TEXT_STYEL = { // 默认文本框样式\n backgroundColor: '#fff',\n borderRadius: '2px',\n boxSizing: 'border-box',\n border: '3px solid rgba(255, 0, 0, 1)',\n fontFamily: 'Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif',\n color: '#010500',\n fontWeight: 400,\n padding: '10px',\n fontStretch: 'normal'\n}\n","/**\n * Created by FDD on 2017/12/10.\n * @desc 标绘曲线算法\n */\n\nimport * as maptalks from 'maptalks'\nconst Canvas2d = maptalks.Canvas\nconst options = {\n 'arcDegree': 90\n}\nclass Curve extends maptalks.LineString {\n _arc (ctx, points, lineOpacity) {\n const degree = this.options['arcDegree'] * Math.PI / 180\n for (let i = 1, l = points.length; i < l; i++) {\n Canvas2d._arcBetween(ctx, points[i - 1], points[i], degree)\n Canvas2d._stroke(ctx, lineOpacity)\n }\n }\n\n _quadraticCurve (ctx, points) {\n if (points.length <= 2) {\n Canvas2d._path(ctx, points)\n return\n }\n Canvas2d.quadraticCurve(ctx, points)\n }\n\n _bezierCurve (ctx, points) {\n if (points.length <= 3) {\n Canvas2d._path(ctx, points)\n return\n }\n let i, l\n for (i = 1, l = points.length; i + 2 < l; i += 3) {\n ctx.bezierCurveTo(points[i].x, points[i].y, points[i + 1].x, points[i + 1].y, points[i + 2].x, points[i + 2].y)\n }\n if (i < l) {\n for (; i < l; i++) {\n ctx.lineTo(points[i].x, points[i].y)\n }\n }\n }\n\n _toJSON (options) {\n return {\n 'feature': this.toGeoJSON(options),\n 'subType': 'Curve'\n }\n }\n\n // paint method on canvas\n _paintOn (ctx, points, lineOpacity) {\n ctx.beginPath()\n this._arc(ctx, points, lineOpacity)\n Canvas2d._stroke(ctx, lineOpacity)\n this._paintArrow(ctx, points, lineOpacity)\n }\n\n static fromJSON (json) {\n const feature = json['feature']\n const arc = new Curve(feature['geometry']['coordinates'], json['options'])\n arc.setProperties(feature['properties'])\n return arc\n }\n}\nCurve.registerJSONType('Curve')\nCurve.mergeOptions(options)\n\nexport default Curve\n","import * as maptalks from 'maptalks'\nconst Coordinate = maptalks.Coordinate\nconst options = {\n 'arrowStyle': null,\n 'arrowPlacement': 'vertex-last', // vertex-first, vertex-last, vertex-firstlast, point\n 'clipToPaint': true\n}\n\nclass Polyline extends maptalks.LineString {\n constructor (coordinates, options = {}) {\n super(options)\n this.type = 'Polyline'\n if (coordinates) {\n this.setCoordinates(coordinates)\n }\n }\n\n _exportGeoJSONGeometry () {\n const points = this.getCoordinates()\n const coordinates = Coordinate.toNumberArrays(points)\n return {\n 'type': 'LineString',\n 'coordinates': coordinates\n }\n }\n\n _toJSON (options) {\n return {\n 'feature': this.toGeoJSON(options)\n }\n }\n}\n\nPolyline.mergeOptions(options)\n\nPolyline.registerJSONType('Polyline')\n\nexport default Polyline\n","/**\r\n * Created by FDD on 2017/12/12.\r\n * @desc 自由线\r\n * @Inherits maptalks.LineString\r\n */\r\nimport * as maptalks from 'maptalks'\r\nconst Coordinate = maptalks.Coordinate\r\nconst options = {\r\n 'arrowStyle': null,\r\n 'arrowPlacement': 'vertex-last', // vertex-first, vertex-last, vertex-firstlast, point\r\n 'clipToPaint': true\r\n}\r\n\r\nclass FreeLine extends maptalks.LineString {\r\n constructor (coordinates, options = {}) {\r\n super(options)\r\n this.type = 'FreeLine'\r\n if (coordinates) {\r\n this.setCoordinates(coordinates)\r\n }\r\n }\r\n\r\n _exportGeoJSONGeometry () {\r\n const points = this.getCoordinates()\r\n const coordinates = Coordinate.toNumberArrays(points)\r\n return {\r\n 'type': 'LineString',\r\n 'coordinates': coordinates\r\n }\r\n }\r\n\r\n _toJSON (options) {\r\n return {\r\n 'feature': this.toGeoJSON(options)\r\n }\r\n }\r\n}\r\n\r\nFreeLine.mergeOptions(options)\r\n\r\nFreeLine.registerJSONType('FreeLine')\r\n\r\nexport default FreeLine\r\n","/**\n * Created by FDD on 2017/5/20.\n * @desc 标绘图形构造类\n */\n\nimport Curve from './Polyline/Curve'\nimport Polyline from './Polyline/Polyline'\nimport FreeLine from './Polyline/FreeLine'\nimport * as PlotTypes from '../core/PlotTypes'\nconst RegisterModes = {}\nRegisterModes[PlotTypes.CURVE] = {\n 'action': ['click', 'click', 'dbclick'],\n 'create': function (path) {\n return new Curve(path)\n },\n 'update': function (path, geometry) {\n geometry.setCoordinates(path)\n },\n 'generate': function (geometry) {\n return geometry\n }\n}\nRegisterModes[PlotTypes.POLYLINE] = {\n 'action': ['click', 'mousemove', 'dbclick'],\n 'create': function (path) {\n return new Polyline(path)\n },\n 'update': function (path, geometry) {\n geometry.setCoordinates(path)\n },\n 'generate': function (geometry) {\n return geometry\n }\n}\nRegisterModes[PlotTypes.FREE_LINE] = {\n 'action': ['mousedown', 'drag', 'mouseup'],\n 'create': function (path) {\n return new FreeLine(path)\n },\n 'update': function (path, geometry) {\n geometry.setCoordinates(path)\n },\n 'generate': function (geometry) {\n return geometry\n }\n}\n\nexport default RegisterModes\n","import * as Constants from '../Constants'\n/**\n * 计算两个坐标之间的距离\n * @param pnt1\n * @param pnt2\n * @returns {number}\n * @constructor\n */\nexport const MathDistance = (pnt1, pnt2) => {\n return (Math.sqrt(Math.pow((pnt1[0] - pnt2[0]), 2) + Math.pow((pnt1[1] - pnt2[1]), 2)))\n}\n\n/**\n * 计算点集合的总距离\n * @param points\n * @returns {number}\n */\nexport const wholeDistance = (points) => {\n let distance = 0\n if (points && Array.isArray(points) && points.length > 0) {\n points.forEach((item, index) => {\n if (index < points.length - 1) {\n distance += (MathDistance(item, points[index + 1]))\n }\n })\n }\n return distance\n}\n/**\n * 获取基础长度\n * @param points\n * @returns {number}\n */\nexport const getBaseLength = (points) => {\n return Math.pow(wholeDistance(points), 0.99)\n}\n\n/**\n * 求取两个坐标的中间值\n * @param point1\n * @param point2\n * @returns {[*,*]}\n * @constructor\n */\nexport const Mid = (point1, point2) => {\n return [(point1[0] + point2[0]) / 2, (point1[1] + point2[1]) / 2]\n}\n\n/**\n * 通过三个点确定一个圆的中心点\n * @param point1\n * @param point2\n * @param point3\n */\nexport const getCircleCenterOfThreePoints = (point1, point2, point3) => {\n let pntA = [(point1[0] + point2[0]) / 2, (point1[1] + point2[1]) / 2]\n let pntB = [pntA[0] - point1[1] + point2[1], pntA[1] + point1[0] - point2[0]]\n let pntC = [(point1[0] + point3[0]) / 2, (point1[1] + point3[1]) / 2]\n let pntD = [pntC[0] - point1[1] + point3[1], pntC[1] + point1[0] - point3[0]]\n return getIntersectPoint(pntA, pntB, pntC, pntD)\n}\n\n/**\n * 获取交集的点\n * @param pntA\n * @param pntB\n * @param pntC\n * @param pntD\n * @returns {[*,*]}\n */\nexport const getIntersectPoint = (pntA, pntB, pntC, pntD) => {\n if (pntA[1] === pntB[1]) {\n let f = (pntD[0] - pntC[0]) / (pntD[1] - pntC[1])\n let x = f * (pntA[1] - pntC[1]) + pntC[0]\n let y = pntA[1]\n return [x, y]\n }\n if (pntC[1] === pntD[1]) {\n let e = (pntB[0] - pntA[0]) / (pntB[1] - pntA[1])\n let x = e * (pntC[1] - pntA[1]) + pntA[0]\n let y = pntC[1]\n return [x, y]\n }\n let e = (pntB[0] - pntA[0]) / (pntB[1] - pntA[1])\n let f = (pntD[0] - pntC[0]) / (pntD[1] - pntC[1])\n let y = (e * pntA[1] - pntA[0] - f * pntC[1] + pntC[0]) / (e - f)\n let x = e * y - e * pntA[1] + pntA[0]\n return [x, y]\n}\n\n/**\n * 获取方位角（地平经度）\n * @param startPoint\n * @param endPoint\n * @returns {*}\n */\nexport const getAzimuth = (startPoint, endPoint) => {\n let azimuth\n let angle = Math.asin(Math.abs(endPoint[1] - startPoint[1]) / (MathDistance(startPoint, endPoint)))\n if (endPoint[1] >= startPoint[1] && endPoint[0] >= startPoint[0]) {\n azimuth = angle + Math.PI\n } else if (endPoint[1] >= startPoint[1] && endPoint[0] < startPoint[0]) {\n azimuth = Math.PI * 2 - angle\n } else if (endPoint[1] < startPoint[1] && endPoint[0] < startPoint[0]) {\n azimuth = angle\n } else if (endPoint[1] < startPoint[1] && endPoint[0] >= startPoint[0]) {\n azimuth = Math.PI - angle\n }\n return azimuth\n}\n\n/**\n * 通过三个点获取方位角\n * @param pntA\n * @param pntB\n * @param pntC\n * @returns {number}\n */\nexport const getAngleOfThreePoints = (pntA, pntB, pntC) => {\n let angle = getAzimuth(pntB, pntA) - getAzimuth(pntB, pntC)\n return ((angle < 0) ? (angle + Math.PI * 2) : angle)\n}\n\n/**\n * 判断是否是顺时针\n * @param pnt1\n * @param pnt2\n * @param pnt3\n * @returns {boolean}\n */\nexport const isClockWise = (pnt1, pnt2, pnt3) => {\n return ((pnt3[1] - pnt1[1]) * (pnt2[0] - pnt1[0]) > (pnt2[1] - pnt1[1]) * (pnt3[0] - pnt1[0]))\n}\n\n/**\n * 获取线上的点\n * @param t\n * @param startPnt\n * @param endPnt\n * @returns {[*,*]}\n */\nexport const getPointOnLine = (t, startPnt, endPnt) => {\n let x = startPnt[0] + (t * (endPnt[0] - startPnt[0]))\n let y = startPnt[1] + (t * (endPnt[1] - startPnt[1]))\n return [x, y]\n}\n\n/**\n * 获取立方值\n * @param t\n * @param startPnt\n * @param cPnt1\n * @param cPnt2\n * @param endPnt\n * @returns {[*,*]}\n */\nexport const getCubicValue = (t, startPnt, cPnt1, cPnt2, endPnt) => {\n t = Math.max(Math.min(t, 1), 0)\n let [tp, t2] = [(1 - t), (t * t)]\n let t3 = t2 * t\n let tp2 = tp * tp\n let tp3 = tp2 * tp\n let x = (tp3 * startPnt[0]) + (3 * tp2 * t * cPnt1[0]) + (3 * tp * t2 * cPnt2[0]) + (t3 * endPnt[0])\n let y = (tp3 * startPnt[1]) + (3 * tp2 * t * cPnt1[1]) + (3 * tp * t2 * cPnt2[1]) + (t3 * endPnt[1])\n return [x, y]\n}\n\n/**\n * 根据起止点和旋转方向求取第三个点\n * @param startPnt\n * @param endPnt\n * @param angle\n * @param distance\n * @param clockWise\n * @returns {[*,*]}\n */\nexport const getThirdPoint = (startPnt, endPnt, angle, distance, clockWise) => {\n let azimuth = getAzimuth(startPnt, endPnt)\n let alpha = clockWise ? (azimuth + angle) : (azimuth - angle)\n let dx = distance * Math.cos(alpha)\n let dy = distance * Math.sin(alpha)\n return ([endPnt[0] + dx, endPnt[1] + dy])\n}\n\n/**\n * 插值弓形线段点\n * @param center\n * @param radius\n * @param startAngle\n * @param endAngle\n * @returns {null}\n */\nexport const getArcPoints = (center, radius, startAngle, endAngle) => {\n let [x, y, pnts, angleDiff] = [null, null, [], (endAngle - startAngle)]\n angleDiff = ((angleDiff < 0) ? (angleDiff + (Math.PI * 2)) : angleDiff)\n for (let i = 0; i <= 100; i++) {\n let angle = startAngle + angleDiff * i / 100\n x = center[0] + radius * Math.cos(angle)\n y = center[1] + radius * Math.sin(angle)\n pnts.push([x, y])\n }\n return pnts\n}\n\n/**\n * getBisectorNormals\n * @param t\n * @param pnt1\n * @param pnt2\n * @param pnt3\n * @returns {[*,*]}\n */\nexport const getBisectorNormals = (t, pnt1, pnt2, pnt3) => {\n let normal = getNormal(pnt1, pnt2, pnt3)\n let [bisectorNormalRight, bisectorNormalLeft, dt, x, y] = [null, null, null, null, null]\n let dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1])\n let uX = normal[0] / dist\n let uY = normal[1] / dist\n let d1 = MathDistance(pnt1, pnt2)\n let d2 = MathDistance(pnt2, pnt3)\n if (dist > Constants.ZERO_TOLERANCE) {\n if (isClockWise(pnt1, pnt2, pnt3)) {\n dt = t * d1\n x = pnt2[0] - dt * uY\n y = pnt2[1] + dt * uX\n bisectorNormalRight = [x, y]\n dt = t * d2\n x = pnt2[0] + dt * uY\n y = pnt2[1] - dt * uX\n bisectorNormalLeft = [x, y]\n } else {\n dt = t * d1\n x = pnt2[0] + dt * uY\n y = pnt2[1] - dt * uX\n bisectorNormalRight = [x, y]\n dt = t * d2\n x = pnt2[0] - dt * uY\n y = pnt2[1] + dt * uX\n bisectorNormalLeft = [x, y]\n }\n } else {\n x = pnt2[0] + t * (pnt1[0] - pnt2[0])\n y = pnt2[1] + t * (pnt1[1] - pnt2[1])\n bisectorNormalRight = [x, y]\n x = pnt2[0] + t * (pnt3[0] - pnt2[0])\n y = pnt2[1] + t * (pnt3[1] - pnt2[1])\n bisectorNormalLeft = [x, y]\n }\n return [bisectorNormalRight, bisectorNormalLeft]\n}\n\n/**\n * 获取默认三点的内切圆\n * @param pnt1\n * @param pnt2\n * @param pnt3\n * @returns {[*,*]}\n */\nexport const getNormal = (pnt1, pnt2, pnt3) => {\n let dX1 = pnt1[0] - pnt2[0]\n let dY1 = pnt1[1] - pnt2[1]\n let d1 = Math.sqrt(dX1 * dX1 + dY1 * dY1)\n dX1 /= d1\n dY1 /= d1\n let dX2 = pnt3[0] - pnt2[0]\n let dY2 = pnt3[1] - pnt2[1]\n let d2 = Math.sqrt(dX2 * dX2 + dY2 * dY2)\n dX2 /= d2\n dY2 /= d2\n let uX = dX1 + dX2\n let uY = dY1 + dY2\n return [uX, uY]\n}\n\n/**\n * 获取左边控制点\n * @param controlPoints\n * @returns {[*,*]}\n */\nexport const getLeftMostControlPoint = (controlPoints, t) => {\n let [pnt1, pnt2, pnt3, controlX, controlY] = [controlPoints[0], controlPoints[1], controlPoints[2], null, null]\n let pnts = getBisectorNormals(0, pnt1, pnt2, pnt3)\n let normalRight = pnts[0]\n let normal = getNormal(pnt1, pnt2, pnt3)\n let dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1])\n if (dist > Constants.ZERO_TOLERANCE) {\n let mid = Mid(pnt1, pnt2)\n let pX = pnt1[0] - mid[0]\n let pY = pnt1[1] - mid[1]\n let d1 = MathDistance(pnt1, pnt2)\n let n = 2.0 / d1\n let nX = -n * pY\n let nY = n * pX\n let a11 = nX * nX - nY * nY\n let a12 = 2 * nX * nY\n let a22 = nY * nY - nX * nX\n let dX = normalRight[0] - mid[0]\n let dY = normalRight[1] - mid[1]\n controlX = mid[0] + a11 * dX + a12 * dY\n controlY = mid[1] + a12 * dX + a22 * dY\n } else {\n controlX = pnt1[0] + t * (pnt2[0] - pnt1[0])\n controlY = pnt1[1] + t * (pnt2[1] - pnt1[1])\n }\n return [controlX, controlY]\n}\n\n/**\n * 获取右边控制点\n * @param controlPoints\n * @param t\n * @returns {[*,*]}\n */\nexport const getRightMostControlPoint = (controlPoints, t) => {\n let count = controlPoints.length\n let pnt1 = controlPoints[count - 3]\n let pnt2 = controlPoints[count - 2]\n let pnt3 = controlPoints[count - 1]\n let pnts = getBisectorNormals(0, pnt1, pnt2, pnt3)\n let normalLeft = pnts[1]\n let normal = getNormal(pnt1, pnt2, pnt3)\n let dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1])\n let [controlX, controlY] = [null, null]\n if (dist > Constants.ZERO_TOLERANCE) {\n let mid = Mid(pnt2, pnt3)\n let pX = pnt3[0] - mid[0]\n let pY = pnt3[1] - mid[1]\n let d1 = MathDistance(pnt2, pnt3)\n let n = 2.0 / d1\n let nX = -n * pY\n let nY = n * pX\n let a11 = nX * nX - nY * nY\n let a12 = 2 * nX * nY\n let a22 = nY * nY - nX * nX\n let dX = normalLeft[0] - mid[0]\n let dY = normalLeft[1] - mid[1]\n controlX = mid[0] + a11 * dX + a12 * dY\n controlY = mid[1] + a12 * dX + a22 * dY\n } else {\n controlX = pnt3[0] + t * (pnt2[0] - pnt3[0])\n controlY = pnt3[1] + t * (pnt2[1] - pnt3[1])\n }\n return [controlX, controlY]\n}\n\n/**\n * 插值曲线点\n * @param t\n * @param controlPoints\n * @returns {null}\n */\nexport const getCurvePoints = (t, controlPoints) => {\n let leftControl = getLeftMostControlPoint(controlPoints, t)\n let [pnt1, pnt2, pnt3, normals, points] = [null, null, null, [leftControl], []]\n for (let i = 0; i < controlPoints.length - 2; i++) {\n [pnt1, pnt2, pnt3] = [controlPoints[i], controlPoints[i + 1], controlPoints[i + 2]]\n let normalPoints = getBisectorNormals(t, pnt1, pnt2, pnt3)\n normals = normals.concat(normalPoints)\n }\n let rightControl = getRightMostControlPoint(controlPoints, t)\n if (rightControl) {\n normals.push(rightControl)\n }\n for (let i = 0; i < controlPoints.length - 1; i++) {\n pnt1 = controlPoints[i]\n pnt2 = controlPoints[i + 1]\n points.push(pnt1)\n for (let t = 0; t < Constants.FITTING_COUNT; t++) {\n let pnt = getCubicValue(t / Constants.FITTING_COUNT, pnt1, normals[i * 2], normals[i * 2 + 1], pnt2)\n points.push(pnt)\n }\n points.push(pnt2)\n }\n return points\n}\n\n/**\n * 贝塞尔曲线\n * @param points\n * @returns {*}\n */\nexport const getBezierPoints = function (points) {\n if (points.length <= 2) {\n return points\n } else {\n let bezierPoints = []\n let n = points.length - 1\n for (let t = 0; t <= 1; t += 0.01) {\n let [x, y] = [0, 0]\n for (let index = 0; index <= n; index++) {\n let factor = getBinomialFactor(n, index)\n let a = Math.pow(t, index)\n let b = Math.pow((1 - t), (n - index))\n x += factor * a * b * points[index][0]\n y += factor * a * b * points[index][1]\n }\n bezierPoints.push([x, y])\n }\n bezierPoints.push(points[n])\n return bezierPoints\n }\n}\n\n/**\n * 获取阶乘数据\n * @param n\n * @returns {number}\n */\nexport const getFactorial = (n) => {\n let result = 1\n switch (n) {\n case (n <= 1):\n result = 1\n break\n case (n === 2):\n result = 2\n break\n case (n === 3):\n result = 6\n break\n case (n === 24):\n result = 24\n break\n case (n === 5):\n result = 120\n break\n default:\n for (let i = 1; i <= n; i++) {\n result *= i\n }\n break\n }\n return result\n}\n\n/**\n * 获取二项分布\n * @param n\n * @param index\n * @returns {number}\n */\nexport const getBinomialFactor = (n, index) => {\n return (getFactorial(n) / (getFactorial(index) * getFactorial(n - index)))\n}\n\n/**\n * 插值线性点\n * @param points\n * @returns {*}\n */\nexport const getQBSplinePoints = points => {\n if (points.length <= 2) {\n return points\n } else {\n let [n, bSplinePoints] = [2, []]\n let m = points.length - n - 1\n bSplinePoints.push(points[0])\n for (let i = 0; i <= m; i++) {\n for (let t = 0; t <= 1; t += 0.05) {\n let [x, y] = [0, 0]\n for (let k = 0; k <= n; k++) {\n let factor = getQuadricBSplineFactor(k, t)\n x += factor * points[i + k][0]\n y += factor * points[i + k][1]\n }\n bSplinePoints.push([x, y])\n }\n }\n bSplinePoints.push(points[points.length - 1])\n return bSplinePoints\n }\n}\n\n/**\n * 得到二次线性因子\n * @param k\n * @param t\n * @returns {number}\n */\nexport const getQuadricBSplineFactor = (k, t) => {\n let res = 0\n if (k === 0) {\n res = Math.pow(t - 1, 2) / 2\n } else if (k === 1) {\n res = (-2 * Math.pow(t, 2) + 2 * t + 1) / 2\n } else if (k === 2) {\n res = Math.pow(t, 2) / 2\n }\n return res\n}\n\n/**\n * 判断是否为对象\n * @param value\n * @returns {boolean}\n */\nexport const isObject = value => {\n const type = typeof value\n return value !== null && (type === 'object' || type === 'function')\n}\n\nexport const merge = (a, b) => {\n for (const key in b) {\n if (isObject(b[key]) && isObject(a[key])) {\n merge(a[key], b[key])\n } else {\n a[key] = b[key]\n }\n }\n return a\n}\n","/**\n * Created by FDD on 2017/12/10.\n * @desc PlotDraw\n */\n\nimport * as maptalks from 'maptalks'\nimport {BASE_LAYERNAME} from '../Constants'\nimport RegisterModes from '../geometry'\nimport { merge } from '../utils/utils'\nconst _options = {\n 'symbol': {\n 'lineColor': '#000',\n 'lineWidth': 2,\n 'lineOpacity': 1,\n 'polygonFill': '#fff',\n 'polygonOpacity': 0.3\n },\n 'doubleClickZoom': false,\n 'mode': null,\n 'once': false,\n 'ignoreMouseleave': true\n}\nconst registeredMode = {}\nconst stopPropagation = function (e) {\n if (e.stopPropagation) {\n e.stopPropagation()\n } else {\n e.cancelBubble = true\n }\n return this\n}\nclass PlotDraw extends maptalks.MapTool {\n constructor (options = {}) {\n const $options = merge(_options, options)\n super($options)\n this.options = $options\n if (this.options['mode']) this._getRegisterMode()\n\n /**\n * 创建图层名称\n * @type {string}\n */\n this.layerName = ((this.options && this.options['layerName']) ? this.options['layerName'] : BASE_LAYERNAME)\n\n /**\n * 创建标绘要素图层\n * @type {*}\n */\n this.drawLayer = null\n }\n\n /**\n * 获取注册过的标绘类型\n * @returns {Object}\n * @private\n */\n _getRegisterMode () {\n const mode = this.getMode()\n const registerMode = PlotDraw.getRegisterMode(mode)\n if (!registerMode) {\n throw new Error(mode + ' is not a valid type of PlotDraw.')\n }\n return registerMode\n }\n\n /**\n * 激活对应工具\n * @param mode\n * @returns {PlotDraw}\n */\n setMode (mode) {\n this._clearStage()\n this._switchEvents('off') // _prototype\n this.options['mode'] = mode\n this._getRegisterMode() // cheack type\n if (this.isEnabled()) {\n this._switchEvents('on')\n this._deactiveMapInteractions()\n }\n return this\n }\n\n /**\n * 获取当前激活的标绘工具\n * @return {String} mode\n */\n getMode () {\n if (this.options['mode']) {\n return this.options['mode'].toLowerCase()\n }\n return null\n }\n\n /**\n * 取消激活地图交互并保存\n */\n _deactiveMapInteractions () {\n const map = this.getMap()\n this._mapDoubleClickZoom = map.options['doubleClickZoom']\n map.config({\n 'doubleClickZoom': this.options['doubleClickZoom']\n })\n const action = this._getRegisterMode()['action']\n if (action.indexOf('drag') > -1) {\n const map = this.getMap()\n this._mapDraggable = map.options['draggable']\n map.config({\n 'draggable': false\n })\n }\n }\n\n /**\n * 激活地图原有交互\n * @private\n */\n _activateMapInteractions () {\n const map = this.getMap()\n map.config({\n 'doubleClickZoom': this._mapDoubleClickZoom\n })\n if (this._mapDraggable) {\n map.config('draggable', this._mapDraggable)\n }\n delete this._mapDraggable\n delete this._mapDoubleClickZoom\n }\n\n /**\n * get register events\n * @returns {*}\n */\n getEvents () {\n const action = this._getRegisterMode()['action']\n if (Array.isArray(action)) {\n return {\n 'click': this._firstClickHandler,\n 'mousemove': this._mouseMoveHandler,\n 'dblclick': this._doubleClickHandler\n }\n }\n return null\n }\n\n _firstClickHandler (event) {\n const registerMode = this._getRegisterMode()\n const coordinate = event['coordinate']\n const symbol = this.getSymbol()\n if (!this._geometry) {\n this._clickCoords = [coordinate]\n this._geometry = registerMode['create'](this._clickCoords, event)\n if (symbol) {\n this._geometry.setSymbol(symbol)\n }\n this._addGeometryToStage(this._geometry)\n this._fireEvent('drawstart', event)\n } else {\n if (!(this._historyPointer === null)) {\n this._clickCoords = this._clickCoords.slice(0, this._historyPointer)\n }\n this._clickCoords.push(coordinate)\n this._historyPointer = this._clickCoords.length\n registerMode['update'](this._clickCoords, this._geometry, event)\n this._fireEvent('drawvertex', event)\n }\n }\n\n /**\n * 鼠标移动事件处理\n * @param event\n * @private\n */\n _mouseMoveHandler (event) {\n const map = this.getMap()\n if (!this._geometry || !map || map.isInteracting()) {\n return\n }\n const containerPoint = this._getMouseContainerPoint(event)\n if (!this._isValidContainerPoint(containerPoint)) {\n return\n }\n const coordinate = event['coordinate']\n const registerMode = this._getRegisterMode()\n const path = this._clickCoords.slice(0, this._historyPointer)\n if (path && path.length > 0 && coordinate.equals(path[path.length - 1])) {\n return\n }\n registerMode['update'](path.concat([coordinate]), this._geometry, event)\n this._fireEvent('mousemove', event)\n }\n\n /**\n * 双击事件处理\n * @param event\n * @private\n */\n _doubleClickHandler (event) {\n this.endDraw(event)\n }\n\n _getMouseContainerPoint (event) {\n const action = this._getRegisterMode()['action']\n if (action.indexOf('drag') > -1) {\n stopPropagation(event['domEvent'])\n }\n return event['containerPoint']\n }\n\n _isValidContainerPoint (containerPoint) {\n const mapSize = this._map.getSize()\n const w = mapSize['width']\n const h = mapSize['height']\n if (containerPoint.x < 0 || containerPoint.y < 0) {\n return false\n } else if (containerPoint.x > w || containerPoint.y > h) {\n return false\n }\n return true\n }\n\n /**\n * 清空缓存\n * @private\n */\n _clearStage () {\n this._getDrawLayer(this.layerName).clear()\n if (this._geometry) {\n this._geometry.remove()\n delete this._geometry\n }\n delete this._clickCoords\n }\n\n /**\n * 添加geometry到图层\n * @param geometry\n * @private\n */\n _addGeometryToStage (geometry) {\n this._getDrawLayer(this.layerName).addGeometry(geometry)\n }\n\n /**\n * Set draw tool's symbol\n * @param {Object} symbol - symbol set\n * @returns {DrawTool} this\n */\n setSymbol (symbol) {\n if (!symbol) {\n return this\n }\n this.options['symbol'] = symbol\n if (this._geometry) {\n this._geometry.setSymbol(symbol)\n }\n return this\n }\n\n /**\n * Get symbol of the draw tool\n * @return {Object} symbol\n */\n getSymbol () {\n const symbol = this.options['symbol']\n if (symbol) {\n return maptalks.Util.extendSymbol(symbol)\n } else {\n return maptalks.Util.extendSymbol(this.options['symbol'])\n }\n }\n\n /**\n * 创建矢量图层\n * @param layerName\n * @returns {*}\n * @private\n */\n _getDrawLayer (layerName) {\n let drawToolLayer = this._map.getLayer(layerName)\n if (!drawToolLayer) {\n drawToolLayer = new maptalks.VectorLayer(layerName, {\n 'enableSimplify': false\n })\n this._map.addLayer(drawToolLayer)\n }\n return drawToolLayer\n }\n\n /**\n * fire event\n * @param eventName\n * @param param\n * @private\n */\n _fireEvent (eventName, param = {}) {\n if (this._geometry) {\n param['geometry'] = this._getRegisterMode()['generate'](this._geometry).copy()\n }\n maptalks.MapTool.prototype._fireEvent.call(this, eventName, param)\n }\n\n /**\n * when layer add, check register mode\n */\n onAdd () {\n this._getRegisterMode()\n }\n\n /**\n * handle enAble event\n * @returns {PlotDraw}\n */\n onEnable () {\n this._deactiveMapInteractions()\n this.drawLayer = this._getDrawLayer(this.layerName)\n this._clearStage()\n this._loadResources()\n return this\n }\n\n /**\n * handle disable event\n * @returns {PlotDraw}\n */\n onDisable () {\n const map = this.getMap()\n this._activateMapInteractions()\n this.endDraw()\n if (this._map) {\n map.removeLayer(this._getDrawLayer(this.layerName))\n }\n return this\n }\n\n /**\n * 结束当前绘制\n * @param param\n * @returns {PlotDraw}\n */\n endDraw (param = {}) {\n if (!this._geometry || this._ending) {\n return this\n }\n this._ending = true\n const geometry = this._geometry\n this._clearStage()\n this._geometry = geometry\n this._fireEvent('drawend', param)\n delete this._geometry\n if (this.options['once']) {\n this.disable()\n }\n delete this._ending\n return this\n }\n\n _loadResources () {\n const symbol = this.getSymbol()\n const resources = maptalks.Util.getExternalResources(symbol)\n if (resources.length > 0) {\n this.drawLayer._getRenderer().loadResources(resources)\n }\n }\n\n /**\n * Register a new mode for DrawTool\n * @param name\n * @param modeAction\n */\n static registerMode (name, modeAction) {\n registeredMode[name.toLowerCase()] = modeAction\n }\n\n /**\n * Get mode actions by mode name\n * @param {String} name DrawTool mode name\n * @return {Object} mode actions\n */\n static getRegisterMode (name) {\n return registeredMode[name.toLowerCase()]\n }\n\n /**\n * Register modes for DrawTool\n * @param modes\n */\n static registeredModes (modes) {\n if (modes) {\n for (let key of Reflect.ownKeys(modes)) {\n if (!key.match(/^(?:constructor|prototype|arguments|caller|name|bind|call|apply|toString|length)$/)) {\n let desc = Object.getOwnPropertyDescriptor(modes, key)\n let _key = key.toLowerCase()\n Object.defineProperty(registeredMode, _key, desc)\n console.log(registeredMode)\n }\n }\n }\n }\n}\n\nPlotDraw.registeredModes(RegisterModes)\n\nexport default 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+{"version":3,"file":"maptalks.plot.js","sources":["../src/core/PlotTypes.js","../src/Constants.js","../src/geometry/helper/index.js","../src/geometry/Polyline/Arc.js","../src/geometry/Polyline/Curve.js","../src/geometry/Polyline/Polyline.js","../src/geometry/Polyline/FreeLine.js","../src/geometry/index.js","../src/utils/utils.js","../src/core/PlotDraw.js"],"sourcesContent":["/**\n * Created by FDD on 2017/5/20.\n */\nconst TextArea = 'TextArea' // 文本标绘（特殊）\nconst ARC = 'Arc'\nconst CURVE = 'Curve'\nconst GATHERING_PLACE = 'GatheringPlace'\nconst POLYLINE = 'Polyline'\nconst FREE_LINE = 'FreeLine'\nconst POINT = 'Point'\nconst PENNANT = 'Pennant'\nconst RECTANGLE = 'RectAngle'\nconst CIRCLE = 'Circle'\nconst ELLIPSE = 'Ellipse'\nconst LUNE = 'Lune'\nconst SECTOR = 'Sector'\nconst CLOSED_CURVE = 'ClosedCurve'\nconst POLYGON = 'Polygon'\nconst FREE_POLYGON = 'FreePolygon'\nconst ATTACK_ARROW = 'AttackArrow'\nconst DOUBLE_ARROW = 'DoubleArrow'\nconst STRAIGHT_ARROW = 'StraightArrow'\nconst FINE_ARROW = 'FineArrow'\nconst ASSAULT_DIRECTION = 'AssaultDirection'\nconst TAILED_ATTACK_ARROW = 'TailedAttackArrow'\nconst SQUAD_COMBAT = 'SquadCombat'\nconst TAILED_SQUAD_COMBAT = 'TailedSquadCombat'\nconst RECTFLAG = 'RectFlag'\nconst TRIANGLEFLAG = 'TriangleFlag'\nconst CURVEFLAG = 'CurveFlag'\nexport {\n TextArea,\n ARC,\n CURVE,\n GATHERING_PLACE,\n POLYLINE,\n FREE_LINE,\n POINT,\n PENNANT,\n RECTANGLE,\n CIRCLE,\n ELLIPSE,\n LUNE,\n SECTOR,\n CLOSED_CURVE,\n POLYGON,\n FREE_POLYGON,\n ATTACK_ARROW,\n DOUBLE_ARROW,\n STRAIGHT_ARROW,\n FINE_ARROW,\n ASSAULT_DIRECTION,\n TAILED_SQUAD_COMBAT,\n TAILED_ATTACK_ARROW,\n SQUAD_COMBAT,\n RECTFLAG,\n TRIANGLEFLAG,\n CURVEFLAG\n}\n","/**\n * Created by FDD on 2017/5/22.\n * @desc 常用变量\n */\nexport const FITTING_COUNT = 100\nexport const HALF_PI = Math.PI / 2\nexport const ZERO_TOLERANCE = 0.0001\nexport const TWO_PI = Math.PI * 2\nexport const BASE_LAYERNAME = 'maptalks-plot-vector-layer' // 矢量图层名，（唯一标识）\nexport const BASE_HELP_CONTROL_POINT_ID = 'plot-helper-control-point-div' // 控制点要素的基类id\nexport const BASE_HELP_HIDDEN = 'plot-helper-hidden-div' // 父类隐藏容器\nexport const INTERNAL_LAYER_PREFIX = '_maptalks__internal_layer_'\nexport const DEF_TEXT_STYEL = { // 默认文本框样式\n backgroundColor: '#fff',\n borderRadius: '2px',\n boxSizing: 'border-box',\n border: '3px solid rgba(255, 0, 0, 1)',\n fontFamily: 'Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif',\n color: '#010500',\n fontWeight: 400,\n padding: '10px',\n fontStretch: 'normal'\n}\n","import * as Constants from '../../Constants'\n/**\n * 计算两个坐标之间的距离\n * @param pnt1\n * @param pnt2\n * @returns {number}\n * @constructor\n */\nexport const MathDistance = (pnt1, pnt2) => {\n return (Math.sqrt(Math.pow((pnt1[0] - pnt2[0]), 2) + Math.pow((pnt1[1] - pnt2[1]), 2)))\n}\n\n/**\n * 计算点集合的总距离\n * @param points\n * @returns {number}\n */\nexport const wholeDistance = (points) => {\n let distance = 0\n if (points && Array.isArray(points) && points.length > 0) {\n points.forEach((item, index) => {\n if (index < points.length - 1) {\n distance += (MathDistance(item, points[index + 1]))\n }\n })\n }\n return distance\n}\n/**\n * 获取基础长度\n * @param points\n * @returns {number}\n */\nexport const getBaseLength = (points) => {\n return Math.pow(wholeDistance(points), 0.99)\n}\n\n/**\n * 求取两个坐标的中间值\n * @param point1\n * @param point2\n * @returns {[*,*]}\n * @constructor\n */\nexport const Mid = (point1, point2) => {\n return [(point1[0] + point2[0]) / 2, (point1[1] + point2[1]) / 2]\n}\n\n/**\n * 通过三个点确定一个圆的中心点\n * @param point1\n * @param point2\n * @param point3\n */\nexport const getCircleCenterOfThreePoints = (point1, point2, point3) => {\n let pntA = [(point1[0] + point2[0]) / 2, (point1[1] + point2[1]) / 2]\n let pntB = [pntA[0] - point1[1] + point2[1], pntA[1] + point1[0] - point2[0]]\n let pntC = [(point1[0] + point3[0]) / 2, (point1[1] + point3[1]) / 2]\n let pntD = [pntC[0] - point1[1] + point3[1], pntC[1] + point1[0] - point3[0]]\n return getIntersectPoint(pntA, pntB, pntC, pntD)\n}\n\n/**\n * 获取交集的点\n * @param pntA\n * @param pntB\n * @param pntC\n * @param pntD\n * @returns {[*,*]}\n */\nexport const getIntersectPoint = (pntA, pntB, pntC, pntD) => {\n if (pntA[1] === pntB[1]) {\n let f = (pntD[0] - pntC[0]) / (pntD[1] - pntC[1])\n let x = f * (pntA[1] - pntC[1]) + pntC[0]\n let y = pntA[1]\n return [x, y]\n }\n if (pntC[1] === pntD[1]) {\n let e = (pntB[0] - pntA[0]) / (pntB[1] - pntA[1])\n let x = e * (pntC[1] - pntA[1]) + pntA[0]\n let y = pntC[1]\n return [x, y]\n }\n let e = (pntB[0] - pntA[0]) / (pntB[1] - pntA[1])\n let f = (pntD[0] - pntC[0]) / (pntD[1] - pntC[1])\n let y = (e * pntA[1] - pntA[0] - f * pntC[1] + pntC[0]) / (e - f)\n let x = e * y - e * pntA[1] + pntA[0]\n return [x, y]\n}\n\n/**\n * 获取方位角（地平经度）\n * @param startPoint\n * @param endPoint\n * @returns {*}\n */\nexport const getAzimuth = (startPoint, endPoint) => {\n let azimuth\n let angle = Math.asin(Math.abs(endPoint[1] - startPoint[1]) / (MathDistance(startPoint, endPoint)))\n if (endPoint[1] >= startPoint[1] && endPoint[0] >= startPoint[0]) {\n azimuth = angle + Math.PI\n } else if (endPoint[1] >= startPoint[1] && endPoint[0] < startPoint[0]) {\n azimuth = Math.PI * 2 - angle\n } else if (endPoint[1] < startPoint[1] && endPoint[0] < startPoint[0]) {\n azimuth = angle\n } else if (endPoint[1] < startPoint[1] && endPoint[0] >= startPoint[0]) {\n azimuth = Math.PI - angle\n }\n return azimuth\n}\n\n/**\n * 通过三个点获取方位角\n * @param pntA\n * @param pntB\n * @param pntC\n * @returns {number}\n */\nexport const getAngleOfThreePoints = (pntA, pntB, pntC) => {\n let angle = getAzimuth(pntB, pntA) - getAzimuth(pntB, pntC)\n return ((angle < 0) ? (angle + Math.PI * 2) : angle)\n}\n\n/**\n * 判断是否是顺时针\n * @param pnt1\n * @param pnt2\n * @param pnt3\n * @returns {boolean}\n */\nexport const isClockWise = (pnt1, pnt2, pnt3) => {\n return ((pnt3[1] - pnt1[1]) * (pnt2[0] - pnt1[0]) > (pnt2[1] - pnt1[1]) * (pnt3[0] - pnt1[0]))\n}\n\n/**\n * 获取线上的点\n * @param t\n * @param startPnt\n * @param endPnt\n * @returns {[*,*]}\n */\nexport const getPointOnLine = (t, startPnt, endPnt) => {\n let x = startPnt[0] + (t * (endPnt[0] - startPnt[0]))\n let y = startPnt[1] + (t * (endPnt[1] - startPnt[1]))\n return [x, y]\n}\n\n/**\n * 获取立方值\n * @param t\n * @param startPnt\n * @param cPnt1\n * @param cPnt2\n * @param endPnt\n * @returns {[*,*]}\n */\nexport const getCubicValue = (t, startPnt, cPnt1, cPnt2, endPnt) => {\n t = Math.max(Math.min(t, 1), 0)\n let [tp, t2] = [(1 - t), (t * t)]\n let t3 = t2 * t\n let tp2 = tp * tp\n let tp3 = tp2 * tp\n let x = (tp3 * startPnt[0]) + (3 * tp2 * t * cPnt1[0]) + (3 * tp * t2 * cPnt2[0]) + (t3 * endPnt[0])\n let y = (tp3 * startPnt[1]) + (3 * tp2 * t * cPnt1[1]) + (3 * tp * t2 * cPnt2[1]) + (t3 * endPnt[1])\n return [x, y]\n}\n\n/**\n * 根据起止点和旋转方向求取第三个点\n * @param startPnt\n * @param endPnt\n * @param angle\n * @param distance\n * @param clockWise\n * @returns {[*,*]}\n */\nexport const getThirdPoint = (startPnt, endPnt, angle, distance, clockWise) => {\n let azimuth = getAzimuth(startPnt, endPnt)\n let alpha = clockWise ? (azimuth + angle) : (azimuth - angle)\n let dx = distance * Math.cos(alpha)\n let dy = distance * Math.sin(alpha)\n return ([endPnt[0] + dx, endPnt[1] + dy])\n}\n\n/**\n * 插值弓形线段点\n * @param center\n * @param radius\n * @param startAngle\n * @param endAngle\n * @returns {null}\n */\nexport const getArcPoints = (center, radius, startAngle, endAngle) => {\n let [x, y, pnts, angleDiff] = [null, null, [], (endAngle - startAngle)]\n angleDiff = ((angleDiff < 0) ? (angleDiff + (Math.PI * 2)) : angleDiff)\n for (let i = 0; i < 100; i++) {\n let angle = startAngle + angleDiff * i / 100\n x = center[0] + radius * Math.cos(angle)\n y = center[1] + radius * Math.sin(angle)\n pnts.push([x, y])\n }\n return pnts\n}\n\n/**\n * getBisectorNormals\n * @param t\n * @param pnt1\n * @param pnt2\n * @param pnt3\n * @returns {[*,*]}\n */\nexport const getBisectorNormals = (t, pnt1, pnt2, pnt3) => {\n let normal = getNormal(pnt1, pnt2, pnt3)\n let [bisectorNormalRight, bisectorNormalLeft, dt, x, y] = [null, null, null, null, null]\n let dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1])\n let uX = normal[0] / dist\n let uY = normal[1] / dist\n let d1 = MathDistance(pnt1, pnt2)\n let d2 = MathDistance(pnt2, pnt3)\n if (dist > Constants.ZERO_TOLERANCE) {\n if (isClockWise(pnt1, pnt2, pnt3)) {\n dt = t * d1\n x = pnt2[0] - dt * uY\n y = pnt2[1] + dt * uX\n bisectorNormalRight = [x, y]\n dt = t * d2\n x = pnt2[0] + dt * uY\n y = pnt2[1] - dt * uX\n bisectorNormalLeft = [x, y]\n } else {\n dt = t * d1\n x = pnt2[0] + dt * uY\n y = pnt2[1] - dt * uX\n bisectorNormalRight = [x, y]\n dt = t * d2\n x = pnt2[0] - dt * uY\n y = pnt2[1] + dt * uX\n bisectorNormalLeft = [x, y]\n }\n } else {\n x = pnt2[0] + t * (pnt1[0] - pnt2[0])\n y = pnt2[1] + t * (pnt1[1] - pnt2[1])\n bisectorNormalRight = [x, y]\n x = pnt2[0] + t * (pnt3[0] - pnt2[0])\n y = pnt2[1] + t * (pnt3[1] - pnt2[1])\n bisectorNormalLeft = [x, y]\n }\n return [bisectorNormalRight, bisectorNormalLeft]\n}\n\n/**\n * 获取默认三点的内切圆\n * @param pnt1\n * @param pnt2\n * @param pnt3\n * @returns {[*,*]}\n */\nexport const getNormal = (pnt1, pnt2, pnt3) => {\n let dX1 = pnt1[0] - pnt2[0]\n let dY1 = pnt1[1] - pnt2[1]\n let d1 = Math.sqrt(dX1 * dX1 + dY1 * dY1)\n dX1 /= d1\n dY1 /= d1\n let dX2 = pnt3[0] - pnt2[0]\n let dY2 = pnt3[1] - pnt2[1]\n let d2 = Math.sqrt(dX2 * dX2 + dY2 * dY2)\n dX2 /= d2\n dY2 /= d2\n let uX = dX1 + dX2\n let uY = dY1 + dY2\n return [uX, uY]\n}\n\n/**\n * 获取左边控制点\n * @param controlPoints\n * @returns {[*,*]}\n */\nexport const getLeftMostControlPoint = (controlPoints, t) => {\n let [pnt1, pnt2, pnt3, controlX, controlY] = [controlPoints[0], controlPoints[1], controlPoints[2], null, null]\n let pnts = getBisectorNormals(0, pnt1, pnt2, pnt3)\n let normalRight = pnts[0]\n let normal = getNormal(pnt1, pnt2, pnt3)\n let dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1])\n if (dist > Constants.ZERO_TOLERANCE) {\n let mid = Mid(pnt1, pnt2)\n let pX = pnt1[0] - mid[0]\n let pY = pnt1[1] - mid[1]\n let d1 = MathDistance(pnt1, pnt2)\n let n = 2.0 / d1\n let nX = -n * pY\n let nY = n * pX\n let a11 = nX * nX - nY * nY\n let a12 = 2 * nX * nY\n let a22 = nY * nY - nX * nX\n let dX = normalRight[0] - mid[0]\n let dY = normalRight[1] - mid[1]\n controlX = mid[0] + a11 * dX + a12 * dY\n controlY = mid[1] + a12 * dX + a22 * dY\n } else {\n controlX = pnt1[0] + t * (pnt2[0] - pnt1[0])\n controlY = pnt1[1] + t * (pnt2[1] - pnt1[1])\n }\n return [controlX, controlY]\n}\n\n/**\n * 获取右边控制点\n * @param controlPoints\n * @param t\n * @returns {[*,*]}\n */\nexport const getRightMostControlPoint = (controlPoints, t) => {\n let count = controlPoints.length\n let pnt1 = controlPoints[count - 3]\n let pnt2 = controlPoints[count - 2]\n let pnt3 = controlPoints[count - 1]\n let pnts = getBisectorNormals(0, pnt1, pnt2, pnt3)\n let normalLeft = pnts[1]\n let normal = getNormal(pnt1, pnt2, pnt3)\n let dist = Math.sqrt(normal[0] * normal[0] + normal[1] * normal[1])\n let [controlX, controlY] = [null, null]\n if (dist > Constants.ZERO_TOLERANCE) {\n let mid = Mid(pnt2, pnt3)\n let pX = pnt3[0] - mid[0]\n let pY = pnt3[1] - mid[1]\n let d1 = MathDistance(pnt2, pnt3)\n let n = 2.0 / d1\n let nX = -n * pY\n let nY = n * pX\n let a11 = nX * nX - nY * nY\n let a12 = 2 * nX * nY\n let a22 = nY * nY - nX * nX\n let dX = normalLeft[0] - mid[0]\n let dY = normalLeft[1] - mid[1]\n controlX = mid[0] + a11 * dX + a12 * dY\n controlY = mid[1] + a12 * dX + a22 * dY\n } else {\n controlX = pnt3[0] + t * (pnt2[0] - pnt3[0])\n controlY = pnt3[1] + t * (pnt2[1] - pnt3[1])\n }\n return [controlX, controlY]\n}\n\n/**\n * 插值曲线点\n * @param t\n * @param controlPoints\n * @returns {null}\n */\nexport const getCurvePoints = (t, controlPoints) => {\n let leftControl = getLeftMostControlPoint(controlPoints, t)\n let [pnt1, pnt2, pnt3, normals, points] = [null, null, null, [leftControl], []]\n for (let i = 0; i < controlPoints.length - 2; i++) {\n [pnt1, pnt2, pnt3] = [controlPoints[i], controlPoints[i + 1], controlPoints[i + 2]]\n let normalPoints = getBisectorNormals(t, pnt1, pnt2, pnt3)\n normals = normals.concat(normalPoints)\n }\n let rightControl = getRightMostControlPoint(controlPoints, t)\n if (rightControl) {\n normals.push(rightControl)\n }\n for (let i = 0; i < controlPoints.length - 1; i++) {\n pnt1 = controlPoints[i]\n pnt2 = controlPoints[i + 1]\n points.push(pnt1)\n for (let t = 0; t < Constants.FITTING_COUNT; t++) {\n let pnt = getCubicValue(t / Constants.FITTING_COUNT, pnt1, normals[i * 2], normals[i * 2 + 1], pnt2)\n points.push(pnt)\n }\n points.push(pnt2)\n }\n return points\n}\n\n/**\n * 贝塞尔曲线\n * @param points\n * @returns {*}\n */\nexport const getBezierPoints = function (points) {\n if (points.length <= 2) {\n return points\n } else {\n let bezierPoints = []\n let n = points.length - 1\n for (let t = 0; t <= 1; t += 0.01) {\n let [x, y] = [0, 0]\n for (let index = 0; index <= n; index++) {\n let factor = getBinomialFactor(n, index)\n let a = Math.pow(t, index)\n let b = Math.pow((1 - t), (n - index))\n x += factor * a * b * points[index][0]\n y += factor * a * b * points[index][1]\n }\n bezierPoints.push([x, y])\n }\n bezierPoints.push(points[n])\n return bezierPoints\n }\n}\n\n/**\n * 获取阶乘数据\n * @param n\n * @returns {number}\n */\nexport const getFactorial = (n) => {\n let result = 1\n switch (n) {\n case (n <= 1):\n result = 1\n break\n case (n === 2):\n result = 2\n break\n case (n === 3):\n result = 6\n break\n case (n === 24):\n result = 24\n break\n case (n === 5):\n result = 120\n break\n default:\n for (let i = 1; i <= n; i++) {\n result *= i\n }\n break\n }\n return result\n}\n\n/**\n * 获取二项分布\n * @param n\n * @param index\n * @returns {number}\n */\nexport const getBinomialFactor = (n, index) => {\n return (getFactorial(n) / (getFactorial(index) * getFactorial(n - index)))\n}\n\n/**\n * 插值线性点\n * @param points\n * @returns {*}\n */\nexport const getQBSplinePoints = points => {\n if (points.length <= 2) {\n return points\n } else {\n let [n, bSplinePoints] = [2, []]\n let m = points.length - n - 1\n bSplinePoints.push(points[0])\n for (let i = 0; i <= m; i++) {\n for (let t = 0; t <= 1; t += 0.05) {\n let [x, y] = [0, 0]\n for (let k = 0; k <= n; k++) {\n let factor = getQuadricBSplineFactor(k, t)\n x += factor * points[i + k][0]\n y += factor * points[i + k][1]\n }\n bSplinePoints.push([x, y])\n }\n }\n bSplinePoints.push(points[points.length - 1])\n return bSplinePoints\n }\n}\n\n/**\n * 得到二次线性因子\n * @param k\n * @param t\n * @returns {number}\n */\nexport const getQuadricBSplineFactor = (k, t) => {\n let res = 0\n if (k === 0) {\n res = Math.pow(t - 1, 2) / 2\n } else if (k === 1) {\n res = (-2 * Math.pow(t, 2) + 2 * t + 1) / 2\n } else if (k === 2) {\n res = Math.pow(t, 2) / 2\n }\n return res\n}\n","import * as maptalks from 'maptalks'\nimport {\n getArcPoints,\n MathDistance,\n getAzimuth,\n isClockWise,\n getCircleCenterOfThreePoints\n} from '../helper/index'\nconst Coordinate = maptalks.Coordinate\nconst options = {\n 'arrowStyle': null,\n 'arrowPlacement': 'vertex-last', // vertex-first, vertex-last, vertex-firstlast, point\n 'clipToPaint': true\n}\n\nclass Arc extends maptalks.LineString {\n constructor (coordinates, options = {}) {\n super(options)\n this.type = 'Arc'\n this._coordinates = []\n if (coordinates) {\n this.setPoints(coordinates)\n }\n }\n\n _generate () {\n let count = this._coordinates.length\n if (count < 2) return\n if (count === 2) {\n this.setCoordinates(this._coordinates)\n } else {\n let [\n pnt1, pnt2,\n pnt3, startAngle,\n endAngle\n ] = [\n this._coordinates[0], this._coordinates[1],\n this._coordinates[2], null, null\n ]\n let center = getCircleCenterOfThreePoints([pnt1['x'], pnt1['y']], [pnt2['x'], pnt2['y']], [pnt3['x'], pnt3['y']])\n let radius = MathDistance([pnt1['x'], pnt1['y']], center)\n let angle1 = getAzimuth([pnt1['x'], pnt1['y']], center)\n let angle2 = getAzimuth([pnt2['x'], pnt2['y']], center)\n if (isClockWise([pnt1['x'], pnt1['y']], [pnt2['x'], pnt2['y']], [pnt3['x'], pnt3['y']])) {\n startAngle = angle2\n endAngle = angle1\n } else {\n startAngle = angle1\n endAngle = angle2\n }\n let points = getArcPoints(center, radius, startAngle, endAngle)\n if (Array.isArray(points)) {\n let _points = points.map(_item => {\n if (Array.isArray(_item)) {\n if (!isNaN(_item[0]) && !isNaN(_item[1])) {\n return new Coordinate(_item[0], _item[1])\n }\n } else {\n return _item\n }\n })\n this.setCoordinates(_points)\n }\n }\n }\n\n setPoints (coordinates) {\n this._coordinates = !coordinates ? [] : coordinates\n if (this._coordinates.length >= 1) {\n this._generate()\n }\n }\n\n _exportGeoJSONGeometry () {\n const points = this.getCoordinates()\n const coordinates = Coordinate.toNumberArrays(points)\n return {\n 'type': 'LineString',\n 'coordinates': coordinates\n }\n }\n\n _toJSON (options) {\n return {\n 'feature': this.toGeoJSON(options)\n }\n }\n}\n\nArc.mergeOptions(options)\n\nArc.registerJSONType('Arc')\n\nexport default Arc\n","/**\n * Created by FDD on 2017/12/10.\n * @desc 标绘曲线算法\n */\n\nimport * as maptalks from 'maptalks'\nimport { getCurvePoints } from '../helper/index'\nconst Coordinate = maptalks.Coordinate\nconst options = {\n 'arrowStyle': null,\n 'arrowPlacement': 'vertex-last', // vertex-first, vertex-last, vertex-firstlast, point\n 'clipToPaint': true\n}\nclass Curve extends maptalks.LineString {\n constructor (coordinates, options = {}) {\n super(options)\n this.type = 'Curve'\n this._coordinates = []\n if (coordinates) {\n this.setPoints(coordinates)\n }\n }\n\n _generate () {\n let count = this._coordinates.length\n if (count < 2) {\n return false\n } else if (count === 2) {\n this.setCoordinates(this._coordinates)\n } else {\n let _coordinates = this._coordinates.map(_item => {\n if (_item && _item.hasOwnProperty('x')) {\n return [_item['x'], _item['y']]\n } else if (Array.isArray(_item)) {\n return _item\n }\n })\n let points = getCurvePoints(0.3, _coordinates)\n if (Array.isArray(points)) {\n let _points = points.map(_item => {\n if (Array.isArray(_item)) {\n return new Coordinate(_item[0], _item[1])\n } else {\n return _item\n }\n })\n this.setCoordinates(_points)\n }\n }\n }\n\n setPoints (coordinates) {\n this._coordinates = !coordinates ? [] : coordinates\n if (this._coordinates.length >= 1) {\n this._generate()\n }\n }\n\n _toJSON (options) {\n return {\n 'feature': this.toGeoJSON(options),\n 'subType': 'Curve'\n }\n }\n\n static fromJSON (json) {\n const feature = json['feature']\n const arc = new Curve(feature['geometry']['coordinates'], json['options'])\n arc.setProperties(feature['properties'])\n return arc\n }\n}\nCurve.registerJSONType('Curve')\nCurve.mergeOptions(options)\n\nexport default Curve\n","import * as maptalks from 'maptalks'\nconst Coordinate = maptalks.Coordinate\nconst options = {\n 'arrowStyle': null,\n 'arrowPlacement': 'vertex-last', // vertex-first, vertex-last, vertex-firstlast, point\n 'clipToPaint': true\n}\n\nclass Polyline extends maptalks.LineString {\n constructor (coordinates, options = {}) {\n super(options)\n this.type = 'Polyline'\n if (coordinates) {\n this.setCoordinates(coordinates)\n }\n }\n\n setPoints (coordinates) {\n if (coordinates) {\n this.setCoordinates(coordinates)\n }\n }\n\n _exportGeoJSONGeometry () {\n const points = this.getCoordinates()\n const coordinates = Coordinate.toNumberArrays(points)\n return {\n 'type': 'LineString',\n 'coordinates': coordinates\n }\n }\n\n _toJSON (options) {\n return {\n 'feature': this.toGeoJSON(options)\n }\n }\n}\n\nPolyline.mergeOptions(options)\n\nPolyline.registerJSONType('Polyline')\n\nexport default Polyline\n","/**\n * Created by FDD on 2017/12/12.\n * @desc 自由线\n * @Inherits maptalks.LineString\n */\nimport * as maptalks from 'maptalks'\nconst Coordinate = maptalks.Coordinate\nconst options = {\n 'arrowStyle': null,\n 'arrowPlacement': 'vertex-last', // vertex-first, vertex-last, vertex-firstlast, point\n 'clipToPaint': true\n}\n\nclass FreeLine extends maptalks.LineString {\n constructor (coordinates, options = {}) {\n super(options)\n this.type = 'FreeLine'\n if (coordinates) {\n this.setCoordinates(coordinates)\n }\n }\n\n setPoints (coordinates) {\n if (coordinates) {\n this.setCoordinates(coordinates)\n }\n }\n\n _exportGeoJSONGeometry () {\n const points = this.getCoordinates()\n const coordinates = Coordinate.toNumberArrays(points)\n return {\n 'type': 'LineString',\n 'coordinates': coordinates\n }\n }\n\n _toJSON (options) {\n return {\n 'feature': this.toGeoJSON(options)\n }\n }\n}\n\nFreeLine.mergeOptions(options)\n\nFreeLine.registerJSONType('FreeLine')\n\nexport default FreeLine\n","/**\n * Created by FDD on 2017/5/20.\n * @desc 标绘图形构造类\n */\n\nimport Arc from './Polyline/Arc'\nimport Curve from './Polyline/Curve'\nimport Polyline from './Polyline/Polyline'\nimport FreeLine from './Polyline/FreeLine'\nimport * as PlotTypes from '../core/PlotTypes'\nconst RegisterModes = {}\nRegisterModes[PlotTypes.ARC] = {\n 'freehand': false,\n 'limitClickCount': 3,\n 'action': ['click', 'mousemove'],\n 'create': function (path) {\n return new Arc(path)\n },\n 'update': function (path, geometry) {\n geometry.setPoints(path)\n },\n 'generate': function (geometry) {\n return geometry\n }\n}\nRegisterModes[PlotTypes.CURVE] = {\n 'freehand': false,\n 'action': ['click', 'mousemove', 'dblclick'],\n 'create': function (path) {\n return new Curve(path)\n },\n 'update': function (path, geometry) {\n geometry.setPoints(path)\n },\n 'generate': function (geometry) {\n return geometry\n }\n}\nRegisterModes[PlotTypes.POLYLINE] = {\n 'freehand': false,\n 'action': ['click', 'mousemove', 'dblclick'],\n 'create': function (path) {\n return new Polyline(path)\n },\n 'update': function (path, geometry) {\n geometry.setPoints(path)\n },\n 'generate': function (geometry) {\n return geometry\n }\n}\nRegisterModes[PlotTypes.FREE_LINE] = {\n 'freehand': true,\n 'action': ['mousedown', 'drag', 'mouseup'],\n 'create': function (path) {\n return new FreeLine(path)\n },\n 'update': function (path, geometry) {\n geometry.setPoints(path)\n },\n 'generate': function (geometry) {\n return geometry\n }\n}\n\nexport default RegisterModes\n","/**\n * 判断是否为对象\n * @param value\n * @returns {boolean}\n */\nexport const isObject = value => {\n const type = typeof value\n return value !== null && (type === 'object' || type === 'function')\n}\n\nexport const merge = (a, b) => {\n for (const key in b) {\n if (isObject(b[key]) && isObject(a[key])) {\n merge(a[key], b[key])\n } else {\n a[key] = b[key]\n }\n }\n return a\n}\n","/**\n * Created by FDD on 2017/12/10.\n * @desc PlotDraw\n */\n\nimport * as maptalks from 'maptalks'\nimport {BASE_LAYERNAME} from '../Constants'\nimport RegisterModes from '../geometry'\nimport { merge } from '../utils/utils'\nconst _options = {\n 'symbol': {\n 'lineColor': '#000',\n 'lineWidth': 2,\n 'lineOpacity': 1,\n 'polygonFill': '#fff',\n 'polygonOpacity': 0.3\n },\n 'doubleClickZoom': false,\n 'mode': null,\n 'once': false,\n 'ignoreMouseleave': true\n}\nconst registeredMode = {}\nconst stopPropagation = function (e) {\n if (e.stopPropagation) {\n e.stopPropagation()\n } else {\n e.cancelBubble = true\n }\n return this\n}\nclass PlotDraw extends maptalks.MapTool {\n constructor (options = {}) {\n const $options = merge(_options, options)\n super($options)\n this.options = $options\n if (this.options['mode']) this._getRegisterMode()\n\n /**\n * 创建图层名称\n * @type {string}\n */\n this.layerName = ((this.options && this.options['layerName']) ? this.options['layerName'] : BASE_LAYERNAME)\n\n /**\n * 创建标绘要素图层\n * @type {*}\n */\n this.drawLayer = null\n\n /**\n * events\n * @type {{click: PlotDraw._firstClickHandler, mousemove: PlotDraw._mouseMoveHandler, dblclick: PlotDraw._doubleClickHandler}}\n */\n this.events = {\n 'click': this._firstClickHandler,\n 'mousemove': this._mouseMoveHandler,\n 'dblclick': this._doubleClickHandler,\n 'mousedown': this._mouseDownHandler,\n 'mouseup': this._mouseUpHandler,\n 'drag': this._mouseMoveHandler\n }\n }\n\n /**\n * 获取注册过的标绘类型\n * @returns {Object}\n * @private\n */\n _getRegisterMode () {\n const mode = this.getMode()\n const registerMode = PlotDraw.getRegisterMode(mode)\n if (!registerMode) {\n throw new Error(mode + ' is not a valid type of PlotDraw.')\n }\n return registerMode\n }\n\n /**\n * 激活对应工具\n * @param mode\n * @returns {PlotDraw}\n */\n setMode (mode) {\n this._clearStage()\n this._switchEvents('off') // _prototype\n this.options['mode'] = mode\n this._getRegisterMode() // cheack type\n if (this.isEnabled()) {\n this._switchEvents('on')\n this._deactiveMapInteractions()\n }\n return this\n }\n\n /**\n * 获取当前激活的标绘工具\n * @return {String} mode\n */\n getMode () {\n if (this.options['mode']) {\n return this.options['mode'].toLowerCase()\n }\n return null\n }\n\n /**\n * 取消激活地图交互并保存\n */\n _deactiveMapInteractions () {\n const map = this.getMap()\n this._mapDoubleClickZoom = map.options['doubleClickZoom']\n map.config({\n 'doubleClickZoom': this.options['doubleClickZoom']\n })\n const action = this._getRegisterMode()['action']\n if (action.indexOf('drag') > -1) {\n const map = this.getMap()\n this._mapDraggable = map.options['draggable']\n map.config({\n 'draggable': false\n })\n }\n }\n\n /**\n * 激活地图原有交互\n * @private\n */\n _activateMapInteractions () {\n const map = this.getMap()\n map.config({\n 'doubleClickZoom': this._mapDoubleClickZoom\n })\n if (this._mapDraggable) {\n map.config('draggable', this._mapDraggable)\n }\n delete this._mapDraggable\n delete this._mapDoubleClickZoom\n }\n\n /**\n * 注册地图事件\n * @returns {*}\n */\n getEvents () {\n const action = this._getRegisterMode()['action']\n const _events = {}\n if (Array.isArray(action)) {\n for (let i = 0; i < action.length; i++) {\n if (action[i] === 'drag') {\n _events['mousemove'] = this.events[action[i]]\n } else {\n _events[action[i]] = this.events[action[i]]\n }\n }\n return _events\n }\n return null\n }\n\n /**\n * 鼠标按下事件\n * @param event\n * @private\n */\n _mouseDownHandler (event) {\n this._createGeometry(event)\n }\n\n /**\n * 鼠标抬起事件\n * @param event\n * @returns {PlotDraw}\n * @private\n */\n _mouseUpHandler (event) {\n this.endDraw(event)\n }\n\n /**\n * 鼠标第一次点击事件处理\n * @param event\n * @private\n */\n _firstClickHandler (event) {\n this._createGeometry(event)\n const registerMode = this._getRegisterMode()\n const coordinate = event['coordinate']\n if (this._geometry) {\n if (!(this._historyPointer === null)) {\n this._clickCoords = this._clickCoords.slice(0, this._historyPointer)\n }\n this._clickCoords.push(coordinate)\n this._historyPointer = this._clickCoords.length\n if (registerMode['limitClickCount'] && registerMode['limitClickCount'] === this._historyPointer) {\n registerMode['update'](this._clickCoords, this._geometry, event)\n this.endDraw(event)\n } else {\n registerMode['update'](this._clickCoords, this._geometry, event)\n }\n this._fireEvent('drawvertex', event)\n }\n }\n\n /**\n * 第一次事件创建相关geometry\n * @param event\n * @private\n */\n _createGeometry (event) {\n const registerMode = this._getRegisterMode()\n const coordinate = event['coordinate']\n const symbol = this.getSymbol()\n if (!this._geometry) {\n this._clickCoords = [coordinate]\n this._geometry = registerMode['create'](this._clickCoords, event)\n if (symbol) {\n this._geometry.setSymbol(symbol)\n }\n this._addGeometryToStage(this._geometry)\n this._fireEvent('drawstart', event)\n }\n }\n\n /**\n * 鼠标移动事件处理\n * FIXME 当为freehand模式时，鼠标按下松开而不移动会造成\n * 构造的geometry不完整\n * @param event\n * @private\n */\n _mouseMoveHandler (event) {\n const map = this.getMap()\n if (!this._geometry || !map || map.isInteracting()) {\n return\n }\n const containerPoint = this._getMouseContainerPoint(event)\n if (!this._isValidContainerPoint(containerPoint)) {\n return\n }\n const coordinate = event['coordinate']\n const registerMode = this._getRegisterMode()\n const path = this._clickCoords.slice(0, this._historyPointer)\n if (path && path.length > 0 && coordinate.equals(path[path.length - 1])) {\n return\n }\n if (!registerMode.freehand) {\n registerMode['update'](path.concat([coordinate]), this._geometry, event)\n } else {\n if 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diff --git a/examples/draw-tool.html b/examples/draw-tool.html
deleted file mode 100644
index d00bbf8..0000000
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diff --git a/examples/curves.html b/examples/index.html
similarity index 81%
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index 24e2df8..1169080 100644
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