JSMath

API for mathematical algorithm processing

Create Module.getMath API.

var math = Module.getMath();

convertBezierCurve(options) → JSVec3Array

Returns a list of coordinates applied with a Bezier curve through a list of latitude and longitude coordinates.

Set vertex list as argument variable.

Information

Name	Type	Description
option	JSMath.BezierCurve	Coordinate transformation property information.

• Return

  • Success: JSVec3Array Returns a list of coordinates applied with Bezier algorithm.

  • Failure: JSVec3Array Returns size 0.

• Sample

  • Refer to function createCurvedLine.

  • Sandbox_LineInterpolation(Curved)

Template

var vertices = [];

vertices.push([lon, lat, alt]);
vertices.push([lon, lat, alt]);
vertices.push([lon, lat, alt]);

let curve_pos = {
    coordinate: vertices,
    style: "XYZ",
};

convertBeZierLine(options) → object

Returns a list of Bezier curve coordinates based on the start and end positions of latitude and longitude.

Set vertex list as argument variable.

Information

Name	Type	Description
option	JSMath.BezierLine	Coordinate transformation property information.

• Return

  • .result: API success status (1: Success, 0: Failure).

  • .name: Operating API name.

  • .return: API return information (object: normal return value, string: failure error code).

• Sample

  • Refer to function createBallPath

  • Sandbox_ParabolicLine

Template

let parameters = {
    start: new Module.JSVector3D(127.94080035885989, 36.336424549396064, 306.52637346833944),
    end: new Module.JSVector3D(127.9419239501012, 36.33615414434727, 300.5711971661076),
    detail: 100,
    height: 330,
    percent: 70,
};

calculationSlopeAnalysis(options) → object

Returns the result of slope analysis through a 3*3 array value (0 array top left, 9 array bottom right).

Set vertex list as argument variable.

Information

Name	Type	Description
option	JSMath.SlopeOption	Slope analysis property information.

• Return

  • .result: API success status (1: Success, 0: Failure).

  • .name: Operating API name.

  • .return: API return information (object: normal return value, string: failure error code).

Template

let slop = {
    type: "TERRAIN_DIRECTION_ANGLE",
    array: [101, 92, 85, 101, 92, 85, 101, 91, 84],
    vertical: 10,
    horizontal: 10,
};
let result = Module.getMath().calculationSlopeAnalysis(slop);

Type Definitions

JSMath.BezierCurve

Options for transforming a list of latitude and longitude coordinates with a Bezier curve.

Name	Type	Attributes	Default	Description
option	coordinates Type			List of latitude and longitude coordinates, coordinate list type setting.

JSMath.BezierLine

Options for transforming a list of latitude and longitude coordinates with a parabolic curve.

Name	Type	Attributes	Default	Description
start	JSVector3D		500	Straight line start latitude and longitude position.
end	JSVector3D		10	Straight line end latitude and longitude position.
detail	number	optional	50	Number of interpolation points for curve creation.
height	number	optional	100	Maximum height of the curve.
percent	number	optional	50	Set the maximum height point of the curve based on 0% start position and 100% end position.

JSMath.SlopeOption

Options for slope analysis settings.

Name	Type	Attributes	Default	Description
type	string			Slope analysis option (TERRAIN_ANGLE, TERRAIN_DIRECTION, TERRAIN_DIRECTION_ANGLE).
array	array			[3*3] altitude array for slope analysis.
vertical	number	optional	5	Cell vertical length needed for slope analysis (unit: m).
horizontal	number	optional	5	Cell horizontal length needed for slope analysis (unit: m).