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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | 928x 928x 174x 17x 157x 157x 157x 174x 179x 69x 160x 160x | /**
* Copyright (c) Siemens 2016 - 2026
* SPDX-License-Identifier: MIT
*/
/* eslint-disable prefer-arrow/prefer-arrow-functions */
/**
* Cartesian coordinate
*/
export interface Coordinate {
x: number;
y: number;
}
/**
* Converts a polar coordinate to a cartesian
* @param center - Center point of circle in cartesian coordinate
* @param radius - Radius of circle
* @param angleDeg - Angle in degrees
* @returns cartesian coordinate
*/
export function polarToCartesian(center: Coordinate, radius: number, angleDeg: number): Coordinate {
const angleRad = ((angleDeg - 90) * Math.PI) / 180;
return {
x: center.x + radius * Math.cos(angleRad),
y: center.y + radius * Math.sin(angleRad)
};
}
/**
* Creates a SVG path representing an arc
* @param center - Center of circle in cartesian coordinate
* @param radius - Radius of circle
* @param startAngle - Start angel in degrees
* @param endAngle - End angel in degrees
* @returns SVG path string
*/
export function makeArc(
center: Coordinate,
radius: number,
startAngle: number,
endAngle: number
): string {
// special case for full circle
if ((endAngle - startAngle) % 360 === 0) {
return (
`M ${center.x} ${center.y - radius} ` +
`A ${radius} ${radius} 0 1 0 ${center.x} ${center.y + radius} ` +
`A ${radius} ${radius} 0 1 0 ${center.x} ${center.y - radius} z`
);
}
// normal arc
const start = polarToCartesian(center, radius, endAngle);
const end = polarToCartesian(center, radius, startAngle);
const largeArc = endAngle - startAngle <= 180 ? '0' : '1';
return `M ${start.x} ${start.y} A ${radius} ${radius} 0 ${largeArc} 0 ${end.x} ${end.y}`;
}
/**
* Creates a SVG path representing a line
* @param start - Start coordinate
* @param end - End coordinate
* @returns SVG path string
*/
export function makeLine(start: Coordinate, end: Coordinate): string {
return `M ${start.x} ${start.y} L ${end.x} ${end.y}`;
}
/**
* Creates a SVG path representing a poly line
* @param points - Object array with x y coordinates
* @returns SVG path string for a polyline
*/
export function makePolyline(points: Coordinate[]): string {
return points.map((point, index) => `${index === 0 ? 'M' : 'L'} ${point.x} ${point.y}`).join(' ');
}
/**
* Calculates the relative angle for a given value
* @param minAngle - min/start angle in degrees
* @param maxAngle - max/end angle in degrees
* @param min - Min value
* @param max - Max value
* @param value - Value
* @returns Relative (from minAngle) angle in degrees
*/
export function valueToRelativeAngle(
minAngle: number,
maxAngle: number,
min: number,
max: number,
value: number
): number {
value = Math.max(min, Math.min(max, value));
return (value * (maxAngle - minAngle)) / (max - min);
}
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