planning

node_modules/ol/geom/flat/length.js

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+/**
+ * @module ol/geom/flat/length
+ */
+/**
+ * @param {Array<number>} flatCoordinates Flat coordinates.
+ * @param {number} offset Offset.
+ * @param {number} end End.
+ * @param {number} stride Stride.
+ * @return {number} Length.
+ */
+export function lineStringLength(flatCoordinates, offset, end, stride) {
+    var x1 = flatCoordinates[offset];
+    var y1 = flatCoordinates[offset + 1];
+    var length = 0;
+    for (var i = offset + stride; i < end; i += stride) {
+        var x2 = flatCoordinates[i];
+        var y2 = flatCoordinates[i + 1];
+        length += Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
+        x1 = x2;
+        y1 = y2;
+    }
+    return length;
+}
+/**
+ * @param {Array<number>} flatCoordinates Flat coordinates.
+ * @param {number} offset Offset.
+ * @param {number} end End.
+ * @param {number} stride Stride.
+ * @return {number} Perimeter.
+ */
+export function linearRingLength(flatCoordinates, offset, end, stride) {
+    var perimeter = lineStringLength(flatCoordinates, offset, end, stride);
+    var dx = flatCoordinates[end - stride] - flatCoordinates[offset];
+    var dy = flatCoordinates[end - stride + 1] - flatCoordinates[offset + 1];
+    perimeter += Math.sqrt(dx * dx + dy * dy);
+    return perimeter;
+}
+//# sourceMappingURL=length.js.map