import { Point_default } from "./chunk-GA6VLMXX.js"; import { arrayMaxSquaredDelta, assignClosestArrayPoint, assignClosestPoint, douglasPeucker, inflateCoordinates, inflateCoordinatesArray, maxSquaredDelta, quantizeArray } from "./chunk-NLIGXLAR.js"; import { intersectsLinearRingArray, linearRingsContainsXY } from "./chunk-YUSNUQO6.js"; import { SimpleGeometry_default, deflateCoordinates, deflateCoordinatesArray } from "./chunk-YUTQGDGI.js"; import { offset } from "./chunk-ZLPTRF2L.js"; import { modulo } from "./chunk-54BTDBAD.js"; import { closestSquaredDistanceXY, getCenter, isEmpty } from "./chunk-CKDBVGKM.js"; import { ascending, extend } from "./chunk-FQY6EMA7.js"; // node_modules/ol/geom/flat/area.js function linearRing(flatCoordinates, offset2, end, stride) { let twiceArea = 0; const x0 = flatCoordinates[end - stride]; const y0 = flatCoordinates[end - stride + 1]; let dx1 = 0; let dy1 = 0; for (; offset2 < end; offset2 += stride) { const dx2 = flatCoordinates[offset2] - x0; const dy2 = flatCoordinates[offset2 + 1] - y0; twiceArea += dy1 * dx2 - dx1 * dy2; dx1 = dx2; dy1 = dy2; } return twiceArea / 2; } function linearRings(flatCoordinates, offset2, ends, stride) { let area = 0; for (let i = 0, ii = ends.length; i < ii; ++i) { const end = ends[i]; area += linearRing(flatCoordinates, offset2, end, stride); offset2 = end; } return area; } function linearRingss(flatCoordinates, offset2, endss, stride) { let area = 0; for (let i = 0, ii = endss.length; i < ii; ++i) { const ends = endss[i]; area += linearRings(flatCoordinates, offset2, ends, stride); offset2 = ends[ends.length - 1]; } return area; } // node_modules/ol/geom/LinearRing.js var LinearRing = class _LinearRing extends SimpleGeometry_default { /** * @param {Array|Array} coordinates Coordinates. * For internal use, flat coordinates in combination with `layout` are also accepted. * @param {import("./Geometry.js").GeometryLayout} [layout] Layout. */ constructor(coordinates2, layout) { super(); this.maxDelta_ = -1; this.maxDeltaRevision_ = -1; if (layout !== void 0 && !Array.isArray(coordinates2[0])) { this.setFlatCoordinates( layout, /** @type {Array} */ coordinates2 ); } else { this.setCoordinates( /** @type {Array} */ coordinates2, layout ); } } /** * Make a complete copy of the geometry. * @return {!LinearRing} Clone. * @api * @override */ clone() { return new _LinearRing(this.flatCoordinates.slice(), this.layout); } /** * @param {number} x X. * @param {number} y Y. * @param {import("../coordinate.js").Coordinate} closestPoint Closest point. * @param {number} minSquaredDistance Minimum squared distance. * @return {number} Minimum squared distance. * @override */ closestPointXY(x, y, closestPoint, minSquaredDistance) { if (minSquaredDistance < closestSquaredDistanceXY(this.getExtent(), x, y)) { return minSquaredDistance; } if (this.maxDeltaRevision_ != this.getRevision()) { this.maxDelta_ = Math.sqrt( maxSquaredDelta( this.flatCoordinates, 0, this.flatCoordinates.length, this.stride, 0 ) ); this.maxDeltaRevision_ = this.getRevision(); } return assignClosestPoint( this.flatCoordinates, 0, this.flatCoordinates.length, this.stride, this.maxDelta_, true, x, y, closestPoint, minSquaredDistance ); } /** * Return the area of the linear ring on projected plane. * @return {number} Area (on projected plane). * @api */ getArea() { return linearRing( this.flatCoordinates, 0, this.flatCoordinates.length, this.stride ); } /** * Return the coordinates of the linear ring. * @return {Array} Coordinates. * @api * @override */ getCoordinates() { return inflateCoordinates( this.flatCoordinates, 0, this.flatCoordinates.length, this.stride ); } /** * @param {number} squaredTolerance Squared tolerance. * @return {LinearRing} Simplified LinearRing. * @protected * @override */ getSimplifiedGeometryInternal(squaredTolerance) { const simplifiedFlatCoordinates = []; simplifiedFlatCoordinates.length = douglasPeucker( this.flatCoordinates, 0, this.flatCoordinates.length, this.stride, squaredTolerance, simplifiedFlatCoordinates, 0 ); return new _LinearRing(simplifiedFlatCoordinates, "XY"); } /** * Get the type of this geometry. * @return {import("./Geometry.js").Type} Geometry type. * @api * @override */ getType() { return "LinearRing"; } /** * Test if the geometry and the passed extent intersect. * @param {import("../extent.js").Extent} extent Extent. * @return {boolean} `true` if the geometry and the extent intersect. * @api * @override */ intersectsExtent(extent) { return false; } /** * Set the coordinates of the linear ring. * @param {!Array} coordinates Coordinates. * @param {import("./Geometry.js").GeometryLayout} [layout] Layout. * @api * @override */ setCoordinates(coordinates2, layout) { this.setLayout(layout, coordinates2, 1); if (!this.flatCoordinates) { this.flatCoordinates = []; } this.flatCoordinates.length = deflateCoordinates( this.flatCoordinates, 0, coordinates2, this.stride ); this.changed(); } }; var LinearRing_default = LinearRing; // node_modules/ol/geom/flat/interiorpoint.js function getInteriorPointOfArray(flatCoordinates, offset2, ends, stride, flatCenters, flatCentersOffset, dest) { let i, ii, x, x1, x2, y1, y2; const y = flatCenters[flatCentersOffset + 1]; const intersections = []; for (let r = 0, rr = ends.length; r < rr; ++r) { const end = ends[r]; x1 = flatCoordinates[end - stride]; y1 = flatCoordinates[end - stride + 1]; for (i = offset2; i < end; i += stride) { x2 = flatCoordinates[i]; y2 = flatCoordinates[i + 1]; if (y <= y1 && y2 <= y || y1 <= y && y <= y2) { x = (y - y1) / (y2 - y1) * (x2 - x1) + x1; intersections.push(x); } x1 = x2; y1 = y2; } } let pointX = NaN; let maxSegmentLength = -Infinity; intersections.sort(ascending); x1 = intersections[0]; for (i = 1, ii = intersections.length; i < ii; ++i) { x2 = intersections[i]; const segmentLength = Math.abs(x2 - x1); if (segmentLength > maxSegmentLength) { x = (x1 + x2) / 2; if (linearRingsContainsXY(flatCoordinates, offset2, ends, stride, x, y)) { pointX = x; maxSegmentLength = segmentLength; } } x1 = x2; } if (isNaN(pointX)) { pointX = flatCenters[flatCentersOffset]; } if (dest) { dest.push(pointX, y, maxSegmentLength); return dest; } return [pointX, y, maxSegmentLength]; } function getInteriorPointsOfMultiArray(flatCoordinates, offset2, endss, stride, flatCenters) { let interiorPoints = []; for (let i = 0, ii = endss.length; i < ii; ++i) { const ends = endss[i]; interiorPoints = getInteriorPointOfArray( flatCoordinates, offset2, ends, stride, flatCenters, 2 * i, interiorPoints ); offset2 = ends[ends.length - 1]; } return interiorPoints; } // node_modules/ol/geom/flat/reverse.js function coordinates(flatCoordinates, offset2, end, stride) { while (offset2 < end - stride) { for (let i = 0; i < stride; ++i) { const tmp = flatCoordinates[offset2 + i]; flatCoordinates[offset2 + i] = flatCoordinates[end - stride + i]; flatCoordinates[end - stride + i] = tmp; } offset2 += stride; end -= stride; } } // node_modules/ol/geom/flat/orient.js function linearRingIsClockwise(flatCoordinates, offset2, end, stride) { let edge = 0; let x1 = flatCoordinates[end - stride]; let y1 = flatCoordinates[end - stride + 1]; for (; offset2 < end; offset2 += stride) { const x2 = flatCoordinates[offset2]; const y2 = flatCoordinates[offset2 + 1]; edge += (x2 - x1) * (y2 + y1); x1 = x2; y1 = y2; } return edge === 0 ? void 0 : edge > 0; } function linearRingsAreOriented(flatCoordinates, offset2, ends, stride, right) { right = right !== void 0 ? right : false; for (let i = 0, ii = ends.length; i < ii; ++i) { const end = ends[i]; const isClockwise = linearRingIsClockwise( flatCoordinates, offset2, end, stride ); if (i === 0) { if (right && isClockwise || !right && !isClockwise) { return false; } } else { if (right && !isClockwise || !right && isClockwise) { return false; } } offset2 = end; } return true; } function linearRingssAreOriented(flatCoordinates, offset2, endss, stride, right) { for (let i = 0, ii = endss.length; i < ii; ++i) { const ends = endss[i]; if (!linearRingsAreOriented(flatCoordinates, offset2, ends, stride, right)) { return false; } if (ends.length) { offset2 = ends[ends.length - 1]; } } return true; } function orientLinearRings(flatCoordinates, offset2, ends, stride, right) { right = right !== void 0 ? right : false; for (let i = 0, ii = ends.length; i < ii; ++i) { const end = ends[i]; const isClockwise = linearRingIsClockwise( flatCoordinates, offset2, end, stride ); const reverse = i === 0 ? right && isClockwise || !right && !isClockwise : right && !isClockwise || !right && isClockwise; if (reverse) { coordinates(flatCoordinates, offset2, end, stride); } offset2 = end; } return offset2; } function orientLinearRingsArray(flatCoordinates, offset2, endss, stride, right) { for (let i = 0, ii = endss.length; i < ii; ++i) { offset2 = orientLinearRings( flatCoordinates, offset2, endss[i], stride, right ); } return offset2; } function inflateEnds(flatCoordinates, ends) { const endss = []; let offset2 = 0; let prevEndIndex = 0; let startOrientation; for (let i = 0, ii = ends.length; i < ii; ++i) { const end = ends[i]; const orientation = linearRingIsClockwise(flatCoordinates, offset2, end, 2); if (startOrientation === void 0) { startOrientation = orientation; } if (orientation === startOrientation) { endss.push(ends.slice(prevEndIndex, i + 1)); } else { if (endss.length === 0) { continue; } endss[endss.length - 1].push(ends[prevEndIndex]); } prevEndIndex = i + 1; offset2 = end; } return endss; } // node_modules/ol/geom/Polygon.js var Polygon = class _Polygon extends SimpleGeometry_default { /** * @param {!Array>|!Array} coordinates * Array of linear rings that define the polygon. The first linear ring of the * array defines the outer-boundary or surface of the polygon. Each subsequent * linear ring defines a hole in the surface of the polygon. A linear ring is * an array of vertices' coordinates where the first coordinate and the last are * equivalent. (For internal use, flat coordinates in combination with * `layout` and `ends` are also accepted.) * @param {import("./Geometry.js").GeometryLayout} [layout] Layout. * @param {Array} [ends] Ends (for internal use with flat coordinates). */ constructor(coordinates2, layout, ends) { super(); this.ends_ = []; this.flatInteriorPointRevision_ = -1; this.flatInteriorPoint_ = null; this.maxDelta_ = -1; this.maxDeltaRevision_ = -1; this.orientedRevision_ = -1; this.orientedFlatCoordinates_ = null; if (layout !== void 0 && ends) { this.setFlatCoordinates( layout, /** @type {Array} */ coordinates2 ); this.ends_ = ends; } else { this.setCoordinates( /** @type {Array>} */ coordinates2, layout ); } } /** * Append the passed linear ring to this polygon. * @param {LinearRing} linearRing Linear ring. * @api */ appendLinearRing(linearRing2) { if (!this.flatCoordinates) { this.flatCoordinates = linearRing2.getFlatCoordinates().slice(); } else { extend(this.flatCoordinates, linearRing2.getFlatCoordinates()); } this.ends_.push(this.flatCoordinates.length); this.changed(); } /** * Make a complete copy of the geometry. * @return {!Polygon} Clone. * @api * @override */ clone() { const polygon = new _Polygon( this.flatCoordinates.slice(), this.layout, this.ends_.slice() ); polygon.applyProperties(this); return polygon; } /** * @param {number} x X. * @param {number} y Y. * @param {import("../coordinate.js").Coordinate} closestPoint Closest point. * @param {number} minSquaredDistance Minimum squared distance. * @return {number} Minimum squared distance. * @override */ closestPointXY(x, y, closestPoint, minSquaredDistance) { if (minSquaredDistance < closestSquaredDistanceXY(this.getExtent(), x, y)) { return minSquaredDistance; } if (this.maxDeltaRevision_ != this.getRevision()) { this.maxDelta_ = Math.sqrt( arrayMaxSquaredDelta( this.flatCoordinates, 0, this.ends_, this.stride, 0 ) ); this.maxDeltaRevision_ = this.getRevision(); } return assignClosestArrayPoint( this.flatCoordinates, 0, this.ends_, this.stride, this.maxDelta_, true, x, y, closestPoint, minSquaredDistance ); } /** * @param {number} x X. * @param {number} y Y. * @return {boolean} Contains (x, y). * @override */ containsXY(x, y) { return linearRingsContainsXY( this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride, x, y ); } /** * Return the area of the polygon on projected plane. * @return {number} Area (on projected plane). * @api */ getArea() { return linearRings( this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride ); } /** * Get the coordinate array for this geometry. This array has the structure * of a GeoJSON coordinate array for polygons. * * @param {boolean} [right] Orient coordinates according to the right-hand * rule (counter-clockwise for exterior and clockwise for interior rings). * If `false`, coordinates will be oriented according to the left-hand rule * (clockwise for exterior and counter-clockwise for interior rings). * By default, coordinate orientation will depend on how the geometry was * constructed. * @return {Array>} Coordinates. * @api * @override */ getCoordinates(right) { let flatCoordinates; if (right !== void 0) { flatCoordinates = this.getOrientedFlatCoordinates().slice(); orientLinearRings(flatCoordinates, 0, this.ends_, this.stride, right); } else { flatCoordinates = this.flatCoordinates; } return inflateCoordinatesArray(flatCoordinates, 0, this.ends_, this.stride); } /** * @return {Array} Ends. */ getEnds() { return this.ends_; } /** * @return {Array} Interior point. */ getFlatInteriorPoint() { if (this.flatInteriorPointRevision_ != this.getRevision()) { const flatCenter = getCenter(this.getExtent()); this.flatInteriorPoint_ = getInteriorPointOfArray( this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride, flatCenter, 0 ); this.flatInteriorPointRevision_ = this.getRevision(); } return ( /** @type {import("../coordinate.js").Coordinate} */ this.flatInteriorPoint_ ); } /** * Return an interior point of the polygon. * @return {Point} Interior point as XYM coordinate, where M is the * length of the horizontal intersection that the point belongs to. * @api */ getInteriorPoint() { return new Point_default(this.getFlatInteriorPoint(), "XYM"); } /** * Return the number of rings of the polygon, this includes the exterior * ring and any interior rings. * * @return {number} Number of rings. * @api */ getLinearRingCount() { return this.ends_.length; } /** * Return the Nth linear ring of the polygon geometry. Return `null` if the * given index is out of range. * The exterior linear ring is available at index `0` and the interior rings * at index `1` and beyond. * * @param {number} index Index. * @return {LinearRing|null} Linear ring. * @api */ getLinearRing(index) { if (index < 0 || this.ends_.length <= index) { return null; } return new LinearRing_default( this.flatCoordinates.slice( index === 0 ? 0 : this.ends_[index - 1], this.ends_[index] ), this.layout ); } /** * Return the linear rings of the polygon. * @return {Array} Linear rings. * @api */ getLinearRings() { const layout = this.layout; const flatCoordinates = this.flatCoordinates; const ends = this.ends_; const linearRings2 = []; let offset2 = 0; for (let i = 0, ii = ends.length; i < ii; ++i) { const end = ends[i]; const linearRing2 = new LinearRing_default( flatCoordinates.slice(offset2, end), layout ); linearRings2.push(linearRing2); offset2 = end; } return linearRings2; } /** * @return {Array} Oriented flat coordinates. */ getOrientedFlatCoordinates() { if (this.orientedRevision_ != this.getRevision()) { const flatCoordinates = this.flatCoordinates; if (linearRingsAreOriented(flatCoordinates, 0, this.ends_, this.stride)) { this.orientedFlatCoordinates_ = flatCoordinates; } else { this.orientedFlatCoordinates_ = flatCoordinates.slice(); this.orientedFlatCoordinates_.length = orientLinearRings( this.orientedFlatCoordinates_, 0, this.ends_, this.stride ); } this.orientedRevision_ = this.getRevision(); } return ( /** @type {Array} */ this.orientedFlatCoordinates_ ); } /** * @param {number} squaredTolerance Squared tolerance. * @return {Polygon} Simplified Polygon. * @protected * @override */ getSimplifiedGeometryInternal(squaredTolerance) { const simplifiedFlatCoordinates = []; const simplifiedEnds = []; simplifiedFlatCoordinates.length = quantizeArray( this.flatCoordinates, 0, this.ends_, this.stride, Math.sqrt(squaredTolerance), simplifiedFlatCoordinates, 0, simplifiedEnds ); return new _Polygon(simplifiedFlatCoordinates, "XY", simplifiedEnds); } /** * Get the type of this geometry. * @return {import("./Geometry.js").Type} Geometry type. * @api * @override */ getType() { return "Polygon"; } /** * Test if the geometry and the passed extent intersect. * @param {import("../extent.js").Extent} extent Extent. * @return {boolean} `true` if the geometry and the extent intersect. * @api * @override */ intersectsExtent(extent) { return intersectsLinearRingArray( this.getOrientedFlatCoordinates(), 0, this.ends_, this.stride, extent ); } /** * Set the coordinates of the polygon. * @param {!Array>} coordinates Coordinates. * @param {import("./Geometry.js").GeometryLayout} [layout] Layout. * @api * @override */ setCoordinates(coordinates2, layout) { this.setLayout(layout, coordinates2, 2); if (!this.flatCoordinates) { this.flatCoordinates = []; } const ends = deflateCoordinatesArray( this.flatCoordinates, 0, coordinates2, this.stride, this.ends_ ); this.flatCoordinates.length = ends.length === 0 ? 0 : ends[ends.length - 1]; this.changed(); } }; var Polygon_default = Polygon; function circular(center, radius, n, sphereRadius) { n = n ? n : 32; const flatCoordinates = []; for (let i = 0; i < n; ++i) { extend( flatCoordinates, offset(center, radius, 2 * Math.PI * i / n, sphereRadius) ); } flatCoordinates.push(flatCoordinates[0], flatCoordinates[1]); return new Polygon(flatCoordinates, "XY", [flatCoordinates.length]); } function fromExtent(extent) { if (isEmpty(extent)) { throw new Error("Cannot create polygon from empty extent"); } const minX = extent[0]; const minY = extent[1]; const maxX = extent[2]; const maxY = extent[3]; const flatCoordinates = [ minX, minY, minX, maxY, maxX, maxY, maxX, minY, minX, minY ]; return new Polygon(flatCoordinates, "XY", [flatCoordinates.length]); } function fromCircle(circle, sides, angle) { sides = sides ? sides : 32; const stride = circle.getStride(); const layout = circle.getLayout(); const center = circle.getCenter(); const arrayLength = stride * (sides + 1); const flatCoordinates = new Array(arrayLength); for (let i = 0; i < arrayLength; i += stride) { flatCoordinates[i] = 0; flatCoordinates[i + 1] = 0; for (let j = 2; j < stride; j++) { flatCoordinates[i + j] = center[j]; } } const ends = [flatCoordinates.length]; const polygon = new Polygon(flatCoordinates, layout, ends); makeRegular(polygon, center, circle.getRadius(), angle); return polygon; } function makeRegular(polygon, center, radius, angle) { const flatCoordinates = polygon.getFlatCoordinates(); const stride = polygon.getStride(); const sides = flatCoordinates.length / stride - 1; const startAngle = angle ? angle : 0; for (let i = 0; i <= sides; ++i) { const offset2 = i * stride; const angle2 = startAngle + modulo(i, sides) * 2 * Math.PI / sides; flatCoordinates[offset2] = center[0] + radius * Math.cos(angle2); flatCoordinates[offset2 + 1] = center[1] + radius * Math.sin(angle2); } polygon.changed(); } export { getInteriorPointOfArray, getInteriorPointsOfMultiArray, linearRingIsClockwise, linearRingsAreOriented, linearRingssAreOriented, orientLinearRings, orientLinearRingsArray, inflateEnds, linearRingss, LinearRing_default, Polygon_default, circular, fromExtent, fromCircle, makeRegular }; //# sourceMappingURL=chunk-RBA5LKAR.js.map