Method draw

src/component/helper/MapDraw.ts:164–236

(
        mapOrGeoModel: MapOrGeoModel,
        ecModel: GlobalModel,
        api: ExtensionAPI,
        fromView: MapView | GeoView,
        payload: Payload
    )

    }

    draw(
        mapOrGeoModel: MapOrGeoModel,
        ecModel: GlobalModel,
        api: ExtensionAPI,
        fromView: MapView | GeoView,
        payload: Payload
    ): void {
        const mapDraw = this;

        // Map series has data. GEO model that controlled by map series
        // will be assigned with map data. Other GEO model has no data.
        let data = (mapOrGeoModel as MapSeries).getData && (mapOrGeoModel as MapSeries).getData();
        if (isGeoModel(mapOrGeoModel)) {
            ecModel.eachComponent({mainType: 'series', subType: 'map'}, function (mapSeries: MapSeries) {
                if (!data && mapSeries.getHostGeoModel() === mapOrGeoModel) {
                    data = mapSeries.getData();
                }
            });
        }

        const geo = mapOrGeoModel.coordinateSystem;
        const viewCoordSys = geo.view;

        const regionsGroup = this._regionsGroup;
        const transformGroup = this._transformGroup;

        // No animation when first draw or in action
        const isFirstDraw = !regionsGroup.childAt(0) || payload;

        let clipRect: graphic.BoundingRect | NullUndefined;
        if (geo.shouldClip()) {
            clipRect = viewCoordSysCopyViewRect(null, viewCoordSys);
            this.group.setClipPath(new graphic.Rect({shape: clipRect.clone()}));
        }
        else {
            this.group.removeClipPath();
        }

        applyViewCoordSysTransToElement(
            transformGroup,
            VIEW_COORD_SYS_TRANS_ROAM,
            viewCoordSys,
            isFirstDraw ? null : mapOrGeoModel,
        );

        const isVisualEncodedByVisualMap = data
            && data.getVisual('visualMeta')
            && data.getVisual('visualMeta').length > 0;

        if (geo.resourceType === 'geoJSON') {
            this._buildGeoJSON(viewCoordSys, api, geo, mapOrGeoModel, data, isVisualEncodedByVisualMap);
        }
        else if (geo.resourceType === 'geoSVG') {
            this._buildSVG(viewCoordSys, api, geo, mapOrGeoModel, data, isVisualEncodedByVisualMap);
        }

        updateRoamControllerSimply(
            mapOrGeoModel,