Method createCompoundPath

src/component/helper/MapDraw.ts:354–376

(subpaths: graphic.Path[], isLine?: boolean)

            const centerPt = transformPoint(region.getCenter(), projection && projection.project);

            function createCompoundPath(subpaths: graphic.Path[], isLine?: boolean) {
                if (!subpaths.length) {
                    return;
                }
                const compoundPath = new graphic.CompoundPath({
                    culling: true,
                    segmentIgnoreThreshold: 1,
                    shape: {
                        paths: subpaths
                    }
                });
                regionGroup.add(compoundPath);

                applyOptionStyleForRegion(api, data, isVisualEncodedByVisualMap, compoundPath, dataIdx, regionModel);
                resetLabelForRegion(
                    mapOrGeoModel, data, compoundPath, regionName, regionModel, dataIdx, centerPt
                );

                if (isLine) {
                    fixLineStyle(compoundPath);
                    zrUtil.each(compoundPath.states, fixLineStyle);
                }
            }

            createCompoundPath(polygonSubpaths);
            createCompoundPath(polylineSubpaths, true);