API Reference > geometry-core > CartesianGeometry > Range2d Range2d Class Range box in xy plane Extends RangeBase Implements { T } Methods Name Description constructor(lowX: number = Range2d._EXTREME_POSITIVE, lowY: number = Range2d._EXTREME_POSITIVE, highX: number = Range2d._EXTREME_NEGATIVE, highY: number = Range2d._EXTREME_NEGATIVE): Range2d clone(result?: this): this return a clone of this range (or copy to optional result) containsPoint(point: XAndY): boolean Test if a point is within the range. containsRange(other: LowAndHighXY): boolean Test of other range is within this range containsXY(x: number, y: number): boolean Test if a point given as x,y is within the range. corners3d(asLoop: boolean = false, z: number = 0): Point3d[] Return an array with the 4 corners. diagonal(result?: Vector2d): Vector2d return the diagonal vector. diagonalFractionToPoint(fraction: number, result?: Point2d): Point2d return the diagonal vector. distanceToPoint(point: XAndY): number Return 0 if the point is within the range, otherwise the distance to the closest face or corner distanceToRange(other: LowAndHighXY): number Return 0 if the point is within the range, otherwise the distance to the closest face or corner expandInPlace(delta: number): void move all limits by a fixed amount. extendPoint(point: XAndY): void Expand this range to include a point. extendRange(other: LowAndHighXY): void Expand this range to include a range. extendTransformedXY(transform: Transform, x: number, y: number): void Expand this range to include a point given by x,y extendXY(x: number, y: number): void Expand this range to include a point given by x,y fractionToPoint(fractionX: number, fractionY: number, result?: Point2d): Point2d return a point given by fractional positions on the XY axes. freeze(): void Freeze this instance (and its deep content) so it can be considered read-only intersect(other: LowAndHighXY, result?: Range2d): Range2d Return the intersection of ranges. intersectsRange(other: LowAndHighXY): boolean Test if there is any intersection with other range isAlmostEqual(other: Range2d): boolean Returns true if this and other have equal low and high parts, or both are null ranges. maxAbs(): number Largest absolute value among any coordinates in the box corners. scaleAboutCenterInPlace(scaleFactor: number): void move low and high points by scaleFactor around the center point. setFrom(other: LowAndHighXY): void copy all content from any other that has low and high xy data. setFromJSON(json: Range2dProps): void treat any array of numbers as numbers to be inserted !!! setNull(): void reset the low and high to null range state. setXY(x: number, y: number): void Set low and hight to a single xy value. toFloat64Array(): Float64Array Flatten the low and high coordinates of this instance into an array of 4 doubles toJSON(): Range2dProps return json array with two points as produced by Point2d.toJSON union(other: LowAndHighXY, result?: Range2d): Range2d Return the union of ranges. worldToLocal(point: Point2d, result?: Point2d): Point2d | undefined Return fractional coordinates of point within the range. xLength(): number Length of the box in the x direction yLength(): number Length of the box in the y direction createArray<T extends Range2d>(points: Point2d[], result?: T): T extends Range2d Static Create a range around an array of points. createFrom<T extends Range2d>(other: LowAndHighXY, result?: T): T extends Range2d Static create a new Range2d from any other that has low and high xy data. createNull<T extends Range2d>(result?: T): T extends Range2d Static create a range with no content. createXY<T extends Range2d>(x: number, y: number, result?: T): T extends Range2d Static Create a single point box createXYXY<T extends Range2d>(xA: number, yA: number, xB: number, yB: number, result?: T): T extends Range2d Static Create a box with 2 pairs of xy candidates. createXYXYOrCorrectToNull<T extends Range2d>(xA: number, yA: number, xB: number, yB: number, result?: T): T extends Range2d Static Create a box with 2 pairs of xy candidates. fromArrayBuffer<T extends Range2d>(buffer: ArrayBuffer): T extends Range2d Static Construct a Range2d from an un-typed array. fromFloat64Array<T extends Range2d>(f64: Float64Array): T extends Range2d Static Construct a Range2d from an array of double-precision values fromJSON<T extends Range2d>(json?: Range2dProps): T extends Range2d Static Use setFromJSON to parse json into a new Range2d instance. isNull(range: LowAndHighXY): boolean Static Test if the box has high strictly less than low for any of x,y, condition. toFloat64Array(val: LowAndHighXY): Float64Array Static Flatten the low and high coordinates of any json object with low.x .. Inherited methods Name Inherited from Description coordinateToRangeAbsoluteDistance(x: number, low: number, high: number): number Static RangeBase Given a coordinate and pair of range limits, return the smallest distance to the range. isExtremePoint2d(xy: Point2d): boolean Static RangeBase Return true if either of x,y is outside the range `[_EXTREME_NEGATIVE, _EXTREME_POSITIVE]' isExtremePoint3d(xyz: Point3d): boolean Static RangeBase Return true if any x or y or z is outside the range `[_EXTREME_NEGATIVE, _EXTREME_POSITIVE]' isExtremeValue(x: number): boolean Static RangeBase Return true if x is outside the range `[_EXTREME_NEGATIVE, _EXTREME_POSITIVE]' npcScaleFactor(low: number, high: number): number ProtectedStatic RangeBase Return 0 if high<= low, otherwise 1/(high-low) for use in fractionalizing rangeToRangeAbsoluteDistance(lowA: number, highA: number, lowB: number, highB: number): number Static RangeBase Return the min absolute distance from any point of [lowA,highA]' to any point of [lowB,highB]'. Properties Name Type Description center Accessor ReadOnly Point2d Return the midpoint of the diagonal. high Point2d low point coordinates. isAlmostZeroX Accessor ReadOnly boolean Test if the x direction size is nearly zero isAlmostZeroY Accessor ReadOnly boolean Test if the y direction size is nearly zero isNull Accessor ReadOnly boolean Test if the box has high<low for any of x,y, condition. isSinglePoint Accessor ReadOnly boolean Test of the range contains a single point. low Point2d low point coordinates. xHigh Accessor ReadOnly number return the high x coordinate xLow Accessor ReadOnly number return the low x coordinate yHigh Accessor ReadOnly number return the high y coordinate yLow Accessor ReadOnly number return the low y coordinate Inherited properties Name Type Inherited from Description _EXTREME_NEGATIVE ProtectedStatic number RangeBase Number considered to be impossibly negative for a coordinate in a range. _EXTREME_POSITIVE ProtectedStatic number RangeBase Number considered impossibly large possibly for a coordinate in a range. Defined in core/geometry/src/geometry3d/Range.ts Line 1154 Last Updated: 13 June, 2024