planning

node_modules/ol/geom/flat/topology.js

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+/**
+ * @module ol/geom/flat/topology
+ */
+import { linearRing as linearRingArea } from './area.js';
+/**
+ * Check if the linestring is a boundary.
+ * @param {Array<number>} flatCoordinates Flat coordinates.
+ * @param {number} offset Offset.
+ * @param {number} end End.
+ * @param {number} stride Stride.
+ * @return {boolean} The linestring is a boundary.
+ */
+export function lineStringIsClosed(flatCoordinates, offset, end, stride) {
+    var lastCoord = end - stride;
+    if (flatCoordinates[offset] === flatCoordinates[lastCoord] &&
+        flatCoordinates[offset + 1] === flatCoordinates[lastCoord + 1] &&
+        (end - offset) / stride > 3) {
+        return !!linearRingArea(flatCoordinates, offset, end, stride);
+    }
+    return false;
+}
+//# sourceMappingURL=topology.js.map