getBoundingRect: function () {
var rect = this._rect;
if (rect) {
return rect;
}
var MAX_NUMBER = Number.MAX_VALUE;
var min = [MAX_NUMBER, MAX_NUMBER];
var max = [-MAX_NUMBER, -MAX_NUMBER];
var min2 = [];
var max2 = [];
var contours = this.contours;
for (var i = 0; i < contours.length; i++) {
bbox.fromPoints(contours[i], min2, max2);
vec2.min(min, min, min2);
vec2.max(max, max, max2);
}
// No data
if (i === 0) {
min[0] = min[1] = max[0] = max[1] = 0;
}
return (this._rect = new BoundingRect(
min[0], min[1], max[0] - min[0], max[1] - min[1]
));
},
ecModel.eachSeriesByType('graph', function (seriesModel) {
var coordSysType = seriesModel.get('coordinateSystem');
if (!coordSysType || coordSysType === 'view') {
var data = seriesModel.getData();
var positions = data.mapArray(function (idx) {
var itemModel = data.getItemModel(idx);
return [+itemModel.get('x'), +itemModel.get('y')];
});
var min = [];
var max = [];
bbox.fromPoints(positions, min, max);
// If width or height is 0
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]);
// FIXME If get view rect after data processed?
var viewRect = getViewRect(seriesModel, api, aspect);
// Position may be NaN, use view rect instead
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
);
// Update roam info
viewCoordSys.setCenter(seriesModel.get('center'));
viewCoordSys.setZoom(seriesModel.get('zoom'));
viewList.push(viewCoordSys);
}
});