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- import View from '../../coord/View.js';
- import { getLayoutRect } from '../../util/layout.js';
- import * as bbox from 'zrender/lib/core/bbox.js';
- import { extend } from 'zrender/lib/core/util.js';
- function getViewRect(seriesModel, api, aspect) {
- var option = extend(seriesModel.getBoxLayoutParams(), {
- aspect: aspect
- });
- return getLayoutRect(option, {
- width: api.getWidth(),
- height: api.getHeight()
- });
- }
- export default function createViewCoordSys(ecModel, api) {
- var viewList = [];
- ecModel.eachSeriesByType('graph', function (seriesModel) {
- var coordSysType = seriesModel.get('coordinateSystem');
- if (!coordSysType || coordSysType === 'view') {
- var data_1 = seriesModel.getData();
- var positions = data_1.mapArray(function (idx) {
- var itemModel = data_1.getItemModel(idx);
- return [+itemModel.get('x'), +itemModel.get('y')];
- });
- var min = [];
- var max = [];
- bbox.fromPoints(positions, min, max);
-
- if (max[0] - min[0] === 0) {
- max[0] += 1;
- min[0] -= 1;
- }
- if (max[1] - min[1] === 0) {
- max[1] += 1;
- min[1] -= 1;
- }
- var aspect = (max[0] - min[0]) / (max[1] - min[1]);
-
- var viewRect = getViewRect(seriesModel, api, aspect);
-
- if (isNaN(aspect)) {
- min = [viewRect.x, viewRect.y];
- max = [viewRect.x + viewRect.width, viewRect.y + viewRect.height];
- }
- var bbWidth = max[0] - min[0];
- var bbHeight = max[1] - min[1];
- var viewWidth = viewRect.width;
- var viewHeight = viewRect.height;
- var viewCoordSys = seriesModel.coordinateSystem = new View();
- viewCoordSys.zoomLimit = seriesModel.get('scaleLimit');
- viewCoordSys.setBoundingRect(min[0], min[1], bbWidth, bbHeight);
- viewCoordSys.setViewRect(viewRect.x, viewRect.y, viewWidth, viewHeight);
-
- viewCoordSys.setCenter(seriesModel.get('center'), api);
- viewCoordSys.setZoom(seriesModel.get('zoom'));
- viewList.push(viewCoordSys);
- }
- });
- return viewList;
- }
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