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84 lines
2.9 KiB
84 lines
2.9 KiB
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, |
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* software distributed under the License is distributed on an |
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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* KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations |
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* under the License. |
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*/ |
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var zrUtil = require("zrender/lib/core/util"); |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, |
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* software distributed under the License is distributed on an |
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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* KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations |
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* under the License. |
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*/ |
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function dataToCoordSize(dataSize, dataItem) { |
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// dataItem is necessary in log axis. |
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return zrUtil.map(['Radius', 'Angle'], function (dim, dimIdx) { |
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var axis = this['get' + dim + 'Axis'](); |
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var val = dataItem[dimIdx]; |
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var halfSize = dataSize[dimIdx] / 2; |
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var method = 'dataTo' + dim; |
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var result = axis.type === 'category' ? axis.getBandWidth() : Math.abs(axis[method](val - halfSize) - axis[method](val + halfSize)); |
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if (dim === 'Angle') { |
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result = result * Math.PI / 180; |
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} |
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return result; |
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}, this); |
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} |
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function _default(coordSys) { |
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var radiusAxis = coordSys.getRadiusAxis(); |
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var angleAxis = coordSys.getAngleAxis(); |
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var radius = radiusAxis.getExtent(); |
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radius[0] > radius[1] && radius.reverse(); |
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return { |
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coordSys: { |
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type: 'polar', |
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cx: coordSys.cx, |
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cy: coordSys.cy, |
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r: radius[1], |
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r0: radius[0] |
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}, |
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api: { |
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coord: zrUtil.bind(function (data) { |
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var radius = radiusAxis.dataToRadius(data[0]); |
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var angle = angleAxis.dataToAngle(data[1]); |
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var coord = coordSys.coordToPoint([radius, angle]); |
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coord.push(radius, angle * Math.PI / 180); |
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return coord; |
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}), |
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size: zrUtil.bind(dataToCoordSize, coordSys) |
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} |
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}; |
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} |
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module.exports = _default; |