Files
cellxgene/client/src/components/brushableHistogram/util.js
T

27 lines
724 B
JavaScript

import * as globals from "../../globals";
import _ from "lodash";
import * as constants from "./constants";
export const calcHistogram = (ranges, allValuesForContinuousFieldAsArray) => {
const histogramData = {};
histogramData.x = d3
.scaleLinear()
.domain([ranges.min, ranges.max])
.range([0, constants.width]);
histogramData.y = d3
.scaleLinear()
.range([constants.height - constants.marginBottom, 0]);
// .range([height - margin.bottom, margin.top]);
histogramData.bins = d3
.histogram()
.domain(histogramData.x.domain())
.thresholds(40)(allValuesForContinuousFieldAsArray);
histogramData.numValues = allValuesForContinuousFieldAsArray.length;
return histogramData;
};