plotly.js
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The open source javascript graphing library that powers plotly
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JavaScript
/**
* Copyright 2012-2020, Plotly, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
;
module.exports = {
/**
* Standardize all missing data in calcdata to use undefined
* never null or NaN.
* That way we can use !==undefined, or !== BADNUM,
* to test for real data
*/
BADNUM: undefined,
/*
* Limit certain operations to well below floating point max value
* to avoid glitches: Make sure that even when you multiply it by the
* number of pixels on a giant screen it still works
*/
FP_SAFE: Number.MAX_VALUE / 10000,
/*
* conversion of date units to milliseconds
* year and month constants are marked "AVG"
* to remind us that not all years and months
* have the same length
*/
ONEMAXYEAR: 31622400000, // 366 * ONEDAY
ONEAVGYEAR: 31557600000, // 365.25 days
ONEMINYEAR: 31536000000, // 365 * ONEDAY
ONEMAXQUARTER: 7948800000, // 92 * ONEDAY
ONEAVGQUARTER: 7889400000, // 1/4 of ONEAVGYEAR
ONEMINQUARTER: 7689600000, // 89 * ONEDAY
ONEMAXMONTH: 2678400000, // 31 * ONEDAY
ONEAVGMONTH: 2629800000, // 1/12 of ONEAVGYEAR
ONEMINMONTH: 2419200000, // 28 * ONEDAY
ONEWEEK: 604800000, // 7 * ONEDAY
ONEDAY: 86400000, // 24 * ONEHOUR
ONEHOUR: 3600000,
ONEMIN: 60000,
ONESEC: 1000,
/*
* For fast conversion btwn world calendars and epoch ms, the Julian Day Number
* of the unix epoch. From calendars.instance().newDate(1970, 1, 1).toJD()
*/
EPOCHJD: 2440587.5,
/*
* Are two values nearly equal? Compare to 1PPM
*/
ALMOST_EQUAL: 1 - 1e-6,
/*
* If we're asked to clip a non-positive log value, how far off-screen
* do we put it?
*/
LOG_CLIP: 10,
/*
* not a number, but for displaying numbers: the "minus sign" symbol is
* wider than the regular ascii dash "-"
*/
MINUS_SIGN: '\u2212'
};