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74 lines
3.7 KiB
JavaScript
74 lines
3.7 KiB
JavaScript
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export function generateTicks$1(generationOptions, dataRange) {
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let factor, niceMin, niceMax, numSpaces;
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const ticks = [];
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const { bounds , step , min , max , precision , count , maxTicks , maxDigits , includeBounds } = generationOptions;
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const unit = step || 1;
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const maxSpaces = maxTicks - 1;
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const { min: rmin , max: rmax } = dataRange;
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const minDefined = !(0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.k)(min);
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const maxDefined = !(0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.k)(max);
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const countDefined = !(0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.k)(count);
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const minSpacing = (rmax - rmin) / (maxDigits + 1);
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let spacing = (0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aI)((rmax - rmin) / maxSpaces / unit) * unit;
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if (spacing < 1e-14 && !minDefined && !maxDefined) {
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return [
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{
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value: rmin
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},
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{
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value: rmax
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}
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];
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}
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numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);
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if (numSpaces > maxSpaces) spacing = (0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aI)(numSpaces * spacing / maxSpaces / unit) * unit;
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if (!(0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.k)(precision)) {
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factor = Math.pow(10, precision);
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spacing = Math.ceil(spacing * factor) / factor;
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}
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if ('ticks' === bounds) {
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niceMin = Math.floor(rmin / spacing) * spacing;
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niceMax = Math.ceil(rmax / spacing) * spacing;
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} else {
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niceMin = rmin;
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niceMax = rmax;
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}
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if (minDefined && maxDefined && step && (0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aJ)((max - min) / step, spacing / 1000)) {
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numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks));
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spacing = (max - min) / numSpaces;
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niceMin = min;
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niceMax = max;
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} else if (countDefined) {
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niceMin = minDefined ? min : niceMin;
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spacing = ((niceMax = maxDefined ? max : niceMax) - niceMin) / (numSpaces = count - 1);
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} else {
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numSpaces = (niceMax - niceMin) / spacing;
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numSpaces = (0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aK)(numSpaces, Math.round(numSpaces), spacing / 1000) ? Math.round(numSpaces) : Math.ceil(numSpaces);
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}
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const decimalPlaces = Math.max((0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aL)(spacing), (0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aL)(niceMin));
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factor = Math.pow(10, (0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.k)(precision) ? decimalPlaces : precision);
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niceMin = Math.round(niceMin * factor) / factor;
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niceMax = Math.round(niceMax * factor) / factor;
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let j = 0;
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if (minDefined) {
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if (includeBounds && niceMin !== min) {
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ticks.push({
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value: min
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});
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if (niceMin < min) j++;
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if ((0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aK)(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) j++;
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} else if (niceMin < min) j++;
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}
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for(; j < numSpaces; ++j)ticks.push({
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value: Math.round((niceMin + j * spacing) * factor) / factor
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});
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if (maxDefined && includeBounds && niceMax !== max) if (ticks.length && (0, _chunks_helpers_segment_mjs__WEBPACK_IMPORTED_MODULE_0__.aK)(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) ticks[ticks.length - 1].value = max;
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else ticks.push({
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value: max
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});
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else if (!maxDefined || niceMax === max) ticks.push({
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value: niceMax
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});
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return ticks;
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}
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