angular-sunburst-radar-chart/esm2015/lib/utils/angels.js

A Sunburst Radar chart with SVG,No Dependencies

//Not Used now ,Might Use later
import { polarToCartesian } from './trignometry';
// function anglesBasedOnPercentage(items) {
//
//   const total = items.reduce((prevValue, curValue) => prevValue +
//curValue, 0);
//   if (Math.round(total) != 100) {
//     console.error('Cannnot draw as the sum of values should be 100');
//     throw new Error('Cannnot draw as the sum of values should be 100');
//   }
//   let prevDegree = 0;
//   const results = [];
//   for (let i = 0; i < items.length; i++) {
//
//     const item = items[i];
//     const currentDegree = item * 3.6;
//
//     const degreeToBeDrawn = currentDegree + prevDegree;
//     results.push(degreeToBeDrawn);
//     prevDegree = prevDegree + currentDegree;
//   }
//
//
//   return results;
// }
//
function getInitialPosition(startLocation, totalDegrees, num) {
    const perLocation = totalDegrees / num;
    const middleLocation = perLocation / 2;
    const startMiddle = startLocation + middleLocation;
    return { startLocation, perLocation, middleLocation, startMiddle };
}
function getDegreeForIndexBasedOnSplitAngle(index, data) {
    const { perLocation, middleLocation, startMiddle, startLocation } = data;
    let position = index; // + 1;
    const startDegree = startLocation + (position * perLocation);
    const middleDegree = startMiddle + (position * perLocation);
    const endDegree = startLocation + (position * perLocation) + perLocation;
    return { startDegree, middleDegree, endDegree };
}
export function getAllAnglesBasedOnChild(items) {
    const num = items.length;
    const results = [];
    const totalChildren = items.filter(item => item.children).map(item => item.children.length).reduce(((a, b) => a + b), 0);
    const childAngleDifference = 360 / totalChildren;
    let currentStartLocation = 0;
    for (let i = 0; i < items.length; i++) {
        const item = items[i];
        const childCount = item.children ? item.children.length : 0;
        const totalDegrees = childCount * childAngleDifference;
        const endDegree = currentStartLocation + (childCount * childAngleDifference);
        const middleDegree = (endDegree - currentStartLocation) / 2;
        const currentItem = {};
        currentItem['item'] = item;
        currentItem['startDegree'] = currentStartLocation;
        currentItem['middleDegree'] = middleDegree;
        currentItem['endDegree'] = endDegree;
        if (childCount > 0) {
            currentItem['children'] = iterateChildrenAndSetAngles({ children: item.children, currentItem, angleDifference: totalDegrees });
        }
        currentStartLocation = currentStartLocation + (childCount * childAngleDifference);
        results.push(currentItem);
    }
    return results;
}
export function getAllAnglesBasedOnParent(items) {
    const num = items.length;
    let results = [];
    let angleDifference = 360 / num;
    const data = getInitialPosition(0, 360, num);
    for (let i = 0; i < items.length; i++) {
        const { startDegree, middleDegree, endDegree } = getDegreeForIndexBasedOnSplitAngle(i, data);
        const item = items[i];
        const currentItem = {};
        currentItem['item'] = item;
        currentItem['startDegree'] = startDegree;
        currentItem['middleDegree'] = middleDegree;
        currentItem['endDegree'] = endDegree;
        const hasChildren = items.filter(item => !!item.children).length > 0;
        if (hasChildren) {
            currentItem['children'] = iterateChildrenAndSetAngles({ children: item.children, currentItem, angleDifference });
        }
        results.push(currentItem);
    }
    return results;
}
function iterateChildrenAndSetAngles({ children, currentItem, angleDifference }) {
    const count = children.length;
    const childItems = [];
    const data = getInitialPosition(currentItem['startDegree'], angleDifference, count);
    for (let j = 0; j < count; j++) {
        const childItem = {};
        childItem['item'] = children[j];
        const { startDegree, middleDegree, endDegree } = getDegreeForIndexBasedOnSplitAngle(j, data);
        childItem['startDegree'] = startDegree;
        childItem['middleDegree'] = middleDegree;
        childItem['endDegree'] = endDegree;
        childItems.push(childItem);
    }
    return childItems;
}
export function positionsOnAngles(centerX, centerY, radius, angels) {
    const results = [];
    for (let i = 0; i < angels.length; i++) {
        const degreeToBeDrawn = angels[i];
        results.push(polarToCartesian(centerX, centerY, radius, degreeToBeDrawn));
    }
    return results;
}
export function getPointsOnCircleAtAngels(centerX, centerY, radius, angels) {
    const results = [];
    for (let i = 0; i < angels.length; i++) {
        const degreeToBeDrawn = angels[i];
        results.push(polarToCartesian(centerX, centerY, radius, degreeToBeDrawn));
    }
    return results;
}
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Used now ,Might Use later\r\nimport {polarToCartesian} from './trignometry';\r\n\r\n// function anglesBasedOnPercentage(items) {\r\n//\r\n//   const total = items.reduce((prevValue, curValue) => prevValue +\r\n//curValue, 0);\r\n//   if (Math.round(total) != 100) {\r\n//     console.error('Cannnot draw as the sum of values should be 100');\r\n//     throw new Error('Cannnot draw as the sum of values should be 100');\r\n//   }\r\n//   let prevDegree = 0;\r\n//   const results = [];\r\n//   for (let i = 0; i < items.length; i++) {\r\n//\r\n//     const item = items[i];\r\n//     const currentDegree = item * 3.6;\r\n//\r\n//     const degreeToBeDrawn = currentDegree + prevDegree;\r\n//     results.push(degreeToBeDrawn);\r\n//     prevDegree = prevDegree + currentDegree;\r\n//   }\r\n//\r\n//\r\n//   return results;\r\n// }\r\n//\r\n\r\nfunction getInitialPosition(startLocation, totalDegrees, num) {\r\n\r\n\r\n  const perLocation = totalDegrees / num;\r\n  const middleLocation = perLocation / 2;\r\n  const startMiddle = startLocation + middleLocation;\r\n\r\n  return {startLocation, perLocation, middleLocation, startMiddle};\r\n\r\n\r\n}\r\n\r\nfunction getDegreeForIndexBasedOnSplitAngle(index, data) {\r\n\r\n\r\n  const {perLocation, middleLocation, startMiddle, startLocation} = data;\r\n  let position = index;// + 1;\r\n\r\n\r\n  const startDegree = startLocation + (position * perLocation);\r\n  const middleDegree = startMiddle + (position * perLocation);\r\n  const endDegree = startLocation + (position * perLocation) + perLocation;\r\n\r\n\r\n  return {startDegree, middleDegree, endDegree};\r\n\r\n}\r\n\r\nexport function getAllAnglesBasedOnChild(items) {\r\n\r\n  const num = items.length;\r\n  const results = [];\r\n\r\n\r\n  const totalChildren = items.filter(item => item.children).map(item => item.children.length).reduce(((a, b) => a + b),0);\r\n\r\n  const childAngleDifference = 360 / totalChildren;\r\n\r\n  let currentStartLocation = 0;\r\n  for (let i = 0; i < items.length; i++) {\r\n\r\n    const item = items[i];\r\n    const childCount = item.children ? item.children.length : 0;\r\n    const totalDegrees = childCount * childAngleDifference;\r\n\r\n\r\n    const endDegree = currentStartLocation + (childCount * childAngleDifference);\r\n\r\n    const middleDegree = (endDegree - currentStartLocation) / 2;\r\n\r\n\r\n    const currentItem = {};\r\n    currentItem['item'] = item;\r\n    currentItem['startDegree'] = currentStartLocation;\r\n    currentItem['middleDegree'] = middleDegree;\r\n    currentItem['endDegree'] = endDegree;\r\n\r\n    if (childCount > 0) {\r\n\r\n\r\n      currentItem['children'] = iterateChildrenAndSetAngles({children: item.children, currentItem, angleDifference: totalDegrees});\r\n\r\n    }\r\n\r\n    currentStartLocation = currentStartLocation + (childCount * childAngleDifference);\r\n    results.push(currentItem);\r\n  }\r\n\r\n\r\n  return results;\r\n}\r\n\r\nexport function getAllAnglesBasedOnParent(items) {\r\n\r\n  const num = items.length;\r\n  let results = [];\r\n  let angleDifference = 360 / num;\r\n\r\n  const data = getInitialPosition(0, 360, num);\r\n\r\n\r\n  for (let i = 0; i < items.length; i++) {\r\n\r\n    const\r\n      {startDegree, middleDegree, endDegree} = getDegreeForIndexBasedOnSplitAngle(i, data);\r\n\r\n\r\n    const item = items[i];\r\n    const currentItem = {};\r\n    currentItem['item'] = item;\r\n    currentItem['startDegree'] = startDegree;\r\n    currentItem['middleDegree'] = middleDegree;\r\n    currentItem['endDegree'] = endDegree;\r\n\r\n    const hasChildren = items.filter(item => !!item.children).length > 0;\r\n    if (hasChildren) {\r\n\r\n\r\n      currentItem['children'] = iterateChildrenAndSetAngles({children: item.children, currentItem, angleDifference});\r\n\r\n    }\r\n\r\n    results.push(currentItem);\r\n  }\r\n\r\n\r\n  return results;\r\n}\r\n\r\n\r\nfunction iterateChildrenAndSetAngles({children, currentItem, angleDifference}) {\r\n\r\n\r\n  const count = children.length;\r\n\r\n  const childItems = [];\r\n  const data = getInitialPosition(currentItem['startDegree'], angleDifference, count);\r\n\r\n\r\n  for (let j = 0; j < count; j++) {\r\n    const childItem = {};\r\n\r\n\r\n    childItem['item'] = children[j];\r\n\r\n\r\n    const\r\n      {startDegree, middleDegree, endDegree} = getDegreeForIndexBasedOnSplitAngle(j, data);\r\n\r\n\r\n    childItem['startDegree'] = startDegree;\r\n    childItem['middleDegree'] = middleDegree;\r\n    childItem['endDegree'] = endDegree;\r\n\r\n    childItems.push(childItem);\r\n  }\r\n\r\n\r\n  return childItems;\r\n\r\n\r\n}\r\n\r\n\r\nexport function positionsOnAngles(centerX, centerY, radius, angels) {\r\n\r\n  const results = [];\r\n  for (let i = 0; i < angels.length; i++) {\r\n\r\n    const degreeToBeDrawn = angels[i];\r\n    results.push(polarToCartesian(centerX, centerY, radius, degreeToBeDrawn));\r\n\r\n  }\r\n  return results;\r\n}\r\n\r\n\r\nexport function\r\ngetPointsOnCircleAtAngels(centerX, centerY, radius, angels) {\r\n\r\n  const results = [];\r\n  for (let i = 0; i < angels.length; i++) {\r\n\r\n    const degreeToBeDrawn = angels[i];\r\n    results.push(polarToCartesian(centerX, centerY, radius, degreeToBeDrawn));\r\n\r\n  }\r\n  return results;\r\n}\r\n"]}