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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.
*/
var _config = require("../../config");
var __DEV__ = _config.__DEV__;
var zrUtil = require("zrender/lib/core/util");
var Polar = require("./Polar");
var _number = require("../../util/number");
var parsePercent = _number.parsePercent;
var _axisHelper = require("../../coord/axisHelper");
var createScaleByModel = _axisHelper.createScaleByModel;
var niceScaleExtent = _axisHelper.niceScaleExtent;
var CoordinateSystem = require("../../CoordinateSystem");
var _dataStackHelper = require("../../data/helper/dataStackHelper");
var getStackedDimension = _dataStackHelper.getStackedDimension;
require("./PolarModel");
/*
* 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.
*/
// TODO Axis scale
/**
* Resize method bound to the polar
* @param {module:echarts/coord/polar/PolarModel} polarModel
* @param {module:echarts/ExtensionAPI} api
*/
function resizePolar(polar, polarModel, api) {
var center = polarModel.get('center');
var width = api.getWidth();
var height = api.getHeight();
polar.cx = parsePercent(center[0], width);
polar.cy = parsePercent(center[1], height);
var radiusAxis = polar.getRadiusAxis();
var size = Math.min(width, height) / 2;
var radius = polarModel.get('radius');
if (radius == null) {
radius = [0, '100%'];
} else if (!zrUtil.isArray(radius)) {
// r0 = 0
radius = [0, radius];
}
radius = [parsePercent(radius[0], size), parsePercent(radius[1], size)];
radiusAxis.inverse ? radiusAxis.setExtent(radius[1], radius[0]) : radiusAxis.setExtent(radius[0], radius[1]);
}
/**
* Update polar
*/
function updatePolarScale(ecModel, api) {
var polar = this;
var angleAxis = polar.getAngleAxis();
var radiusAxis = polar.getRadiusAxis(); // Reset scale
angleAxis.scale.setExtent(Infinity, -Infinity);
radiusAxis.scale.setExtent(Infinity, -Infinity);
ecModel.eachSeries(function (seriesModel) {
if (seriesModel.coordinateSystem === polar) {
var data = seriesModel.getData();
zrUtil.each(data.mapDimension('radius', true), function (dim) {
radiusAxis.scale.unionExtentFromData(data, getStackedDimension(data, dim));
});
zrUtil.each(data.mapDimension('angle', true), function (dim) {
angleAxis.scale.unionExtentFromData(data, getStackedDimension(data, dim));
});
}
});
niceScaleExtent(angleAxis.scale, angleAxis.model);
niceScaleExtent(radiusAxis.scale, radiusAxis.model); // Fix extent of category angle axis
if (angleAxis.type === 'category' && !angleAxis.onBand) {
var extent = angleAxis.getExtent();
var diff = 360 / angleAxis.scale.count();
angleAxis.inverse ? extent[1] += diff : extent[1] -= diff;
angleAxis.setExtent(extent[0], extent[1]);
}
}
/**
* Set common axis properties
* @param {module:echarts/coord/polar/AngleAxis|module:echarts/coord/polar/RadiusAxis}
* @param {module:echarts/coord/polar/AxisModel}
* @inner
*/
function setAxis(axis, axisModel) {
axis.type = axisModel.get('type');
axis.scale = createScaleByModel(axisModel);
axis.onBand = axisModel.get('boundaryGap') && axis.type === 'category';
axis.inverse = axisModel.get('inverse');
if (axisModel.mainType === 'angleAxis') {
axis.inverse ^= axisModel.get('clockwise');
var startAngle = axisModel.get('startAngle');
axis.setExtent(startAngle, startAngle + (axis.inverse ? -360 : 360));
} // Inject axis instance
axisModel.axis = axis;
axis.model = axisModel;
}
var polarCreator = {
dimensions: Polar.prototype.dimensions,
create: function (ecModel, api) {
var polarList = [];
ecModel.eachComponent('polar', function (polarModel, idx) {
var polar = new Polar(idx); // Inject resize and update method
polar.update = updatePolarScale;
var radiusAxis = polar.getRadiusAxis();
var angleAxis = polar.getAngleAxis();
var radiusAxisModel = polarModel.findAxisModel('radiusAxis');
var angleAxisModel = polarModel.findAxisModel('angleAxis');
setAxis(radiusAxis, radiusAxisModel);
setAxis(angleAxis, angleAxisModel);
resizePolar(polar, polarModel, api);
polarList.push(polar);
polarModel.coordinateSystem = polar;
polar.model = polarModel;
}); // Inject coordinateSystem to series
ecModel.eachSeries(function (seriesModel) {
if (seriesModel.get('coordinateSystem') === 'polar') {
var polarModel = ecModel.queryComponents({
mainType: 'polar',
index: seriesModel.get('polarIndex'),
id: seriesModel.get('polarId')
})[0];
seriesModel.coordinateSystem = polarModel.coordinateSystem;
}
});
return polarList;
}
};
CoordinateSystem.register('polar', polarCreator);