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parttimejob/node_modules/echarts/lib/coord/polar/Polar.js

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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* AUTO-GENERATED FILE. DO NOT MODIFY.
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import RadiusAxis from './RadiusAxis.js';
import AngleAxis from './AngleAxis.js';
export var polarDimensions = ['radius', 'angle'];
var Polar = /** @class */function () {
function Polar(name) {
this.dimensions = polarDimensions;
this.type = 'polar';
/**
* x of polar center
*/
this.cx = 0;
/**
* y of polar center
*/
this.cy = 0;
this._radiusAxis = new RadiusAxis();
this._angleAxis = new AngleAxis();
this.axisPointerEnabled = true;
this.name = name || '';
this._radiusAxis.polar = this._angleAxis.polar = this;
}
/**
* If contain coord
*/
Polar.prototype.containPoint = function (point) {
var coord = this.pointToCoord(point);
return this._radiusAxis.contain(coord[0]) && this._angleAxis.contain(coord[1]);
};
/**
* If contain data
*/
Polar.prototype.containData = function (data) {
return this._radiusAxis.containData(data[0]) && this._angleAxis.containData(data[1]);
};
Polar.prototype.getAxis = function (dim) {
var key = '_' + dim + 'Axis';
return this[key];
};
Polar.prototype.getAxes = function () {
return [this._radiusAxis, this._angleAxis];
};
/**
* Get axes by type of scale
*/
Polar.prototype.getAxesByScale = function (scaleType) {
var axes = [];
var angleAxis = this._angleAxis;
var radiusAxis = this._radiusAxis;
angleAxis.scale.type === scaleType && axes.push(angleAxis);
radiusAxis.scale.type === scaleType && axes.push(radiusAxis);
return axes;
};
Polar.prototype.getAngleAxis = function () {
return this._angleAxis;
};
Polar.prototype.getRadiusAxis = function () {
return this._radiusAxis;
};
Polar.prototype.getOtherAxis = function (axis) {
var angleAxis = this._angleAxis;
return axis === angleAxis ? this._radiusAxis : angleAxis;
};
/**
* Base axis will be used on stacking.
*
*/
Polar.prototype.getBaseAxis = function () {
return this.getAxesByScale('ordinal')[0] || this.getAxesByScale('time')[0] || this.getAngleAxis();
};
Polar.prototype.getTooltipAxes = function (dim) {
var baseAxis = dim != null && dim !== 'auto' ? this.getAxis(dim) : this.getBaseAxis();
return {
baseAxes: [baseAxis],
otherAxes: [this.getOtherAxis(baseAxis)]
};
};
/**
* Convert a single data item to (x, y) point.
* Parameter data is an array which the first element is radius and the second is angle
*/
Polar.prototype.dataToPoint = function (data, clamp) {
return this.coordToPoint([this._radiusAxis.dataToRadius(data[0], clamp), this._angleAxis.dataToAngle(data[1], clamp)]);
};
/**
* Convert a (x, y) point to data
*/
Polar.prototype.pointToData = function (point, clamp) {
var coord = this.pointToCoord(point);
return [this._radiusAxis.radiusToData(coord[0], clamp), this._angleAxis.angleToData(coord[1], clamp)];
};
/**
* Convert a (x, y) point to (radius, angle) coord
*/
Polar.prototype.pointToCoord = function (point) {
var dx = point[0] - this.cx;
var dy = point[1] - this.cy;
var angleAxis = this.getAngleAxis();
var extent = angleAxis.getExtent();
var minAngle = Math.min(extent[0], extent[1]);
var maxAngle = Math.max(extent[0], extent[1]);
// Fix fixed extent in polarCreator
// FIXME
angleAxis.inverse ? minAngle = maxAngle - 360 : maxAngle = minAngle + 360;
var radius = Math.sqrt(dx * dx + dy * dy);
dx /= radius;
dy /= radius;
var radian = Math.atan2(-dy, dx) / Math.PI * 180;
// move to angleExtent
var dir = radian < minAngle ? 1 : -1;
while (radian < minAngle || radian > maxAngle) {
radian += dir * 360;
}
return [radius, radian];
};
/**
* Convert a (radius, angle) coord to (x, y) point
*/
Polar.prototype.coordToPoint = function (coord) {
var radius = coord[0];
var radian = coord[1] / 180 * Math.PI;
var x = Math.cos(radian) * radius + this.cx;
// Inverse the y
var y = -Math.sin(radian) * radius + this.cy;
return [x, y];
};
/**
* Get ring area of cartesian.
* Area will have a contain function to determine if a point is in the coordinate system.
*/
Polar.prototype.getArea = function () {
var angleAxis = this.getAngleAxis();
var radiusAxis = this.getRadiusAxis();
var radiusExtent = radiusAxis.getExtent().slice();
radiusExtent[0] > radiusExtent[1] && radiusExtent.reverse();
var angleExtent = angleAxis.getExtent();
var RADIAN = Math.PI / 180;
return {
cx: this.cx,
cy: this.cy,
r0: radiusExtent[0],
r: radiusExtent[1],
startAngle: -angleExtent[0] * RADIAN,
endAngle: -angleExtent[1] * RADIAN,
clockwise: angleAxis.inverse,
contain: function (x, y) {
// It's a ring shape.
// Start angle and end angle don't matter
var dx = x - this.cx;
var dy = y - this.cy;
// minus a tiny value 1e-4 to avoid being clipped unexpectedly
var d2 = dx * dx + dy * dy - 1e-4;
var r = this.r;
var r0 = this.r0;
return d2 <= r * r && d2 >= r0 * r0;
}
};
};
Polar.prototype.convertToPixel = function (ecModel, finder, value) {
var coordSys = getCoordSys(finder);
return coordSys === this ? this.dataToPoint(value) : null;
};
Polar.prototype.convertFromPixel = function (ecModel, finder, pixel) {
var coordSys = getCoordSys(finder);
return coordSys === this ? this.pointToData(pixel) : null;
};
return Polar;
}();
function getCoordSys(finder) {
var seriesModel = finder.seriesModel;
var polarModel = finder.polarModel;
return polarModel && polarModel.coordinateSystem || seriesModel && seriesModel.coordinateSystem;
}
export default Polar;