Function updateMarkerLayout

src/component/marker/MarkPointView.ts:38–92

(
    mpData: SeriesData<MarkPointModel>,
    seriesModel: SeriesModel,
    api: ExtensionAPI
)

import SeriesDimensionDefine from '../../data/SeriesDimensionDefine';

function updateMarkerLayout(
    mpData: SeriesData<MarkPointModel>,
    seriesModel: SeriesModel,
    api: ExtensionAPI
) {
    const coordSys = seriesModel.coordinateSystem;
    const apiWidth = api.getWidth();
    const apiHeight = api.getHeight();
    const coordRect = coordSys && coordSys.getArea && coordSys.getArea();
    mpData.each(function (idx: number) {
        const itemModel = mpData.getItemModel<MarkPointDataItemOption>(idx);
        const isRelativeToCoordinate = itemModel.get('relativeTo') === 'coordinate';
        const width = isRelativeToCoordinate
            ? (coordRect ? coordRect.width : 0)
            : apiWidth;
        const height = isRelativeToCoordinate
            ? (coordRect ? coordRect.height : 0)
            : apiHeight;
        const left = isRelativeToCoordinate && coordRect
            ? coordRect.x
            : 0;
        const top = isRelativeToCoordinate && coordRect
            ? coordRect.y
            : 0;

        let point;
        const xPx = numberUtil.parsePercent(itemModel.get('x'), width) + left;
        const yPx = numberUtil.parsePercent(itemModel.get('y'), height) + top;
        if (!isNaN(xPx) && !isNaN(yPx)) {
            point = [xPx, yPx];
        }
        // Chart like bar may have there own marker positioning logic
        else if (seriesModel.getMarkerPosition) {
            // Use the getMarkerPosition
            point = seriesModel.getMarkerPosition(
                mpData.getValues(mpData.dimensions, idx)
            );
        }
        else if (coordSys) {
            const x = mpData.get(coordSys.dimensions[0], idx);
            const y = mpData.get(coordSys.dimensions[1], idx);
            point = coordSys.dataToPoint([x, y]);
        }

        // Use x, y if has any
        if (!isNaN(xPx)) {
            point[0] = xPx;
        }
        if (!isNaN(yPx)) {
            point[1] = yPx;
        }

        mpData.setItemLayout(idx, point);
    });
}

class MarkPointView extends MarkerView {