10000 Log bar autorange fix by alexcjohnson · Pull Request #1475 · plotly/plotly.js · GitHub
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Log bar autorange fix #1475

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Merged
merged 2 commits into from
Mar 14, 2017
Merged

Log bar autorange fix #1475

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0b9e739
test bars with log autorange
alexcjohnson Mar 14, 2017
fc977a1
fix bars with log autorange
alexcjohnson Mar 14, 2017
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78 changes: 32 additions & 46 deletions src/traces/bar/set_positions.js
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Original file line number Diff line number Diff line change
Expand Up @@ -449,15 +449,22 @@ function updatePositionAxis(gd, pa, sieve, allowMinDtick) {
Axes.expand(pa, [pMin, pMax], {padded: false});
}

function expandRange(range, newValue) {
if(isNumeric(range[0])) range[0] = Math.min(range[0], newValue);
else range[0] = newValue;

if(isNumeric(range[1])) range[1] = Math.max(range[1], newValue);
else range[1] = newValue;
}

function setBaseAndTop(gd, sa, sieve) {
// store these bar bases and tops in calcdata
// and make sure the size axis includes zero,
// along with the bases and tops of each bar.
var traces = sieve.traces,
sLetter = getAxisLetter(sa),
sMax = sa.l2c(sa.c2l(0)),
sMin = sMax;
s0 = sa.l2c(sa.c2l(0)),
sRange = [s0, s0];

for(var i = 0; i < traces.length; i++) {
var trace = traces[i];
Expand All @@ -469,18 +476,12 @@ function setBaseAndTop(gd, sa, sieve) {

bar[sLetter] = barTop;

if(isNumeric(sa.c2l(barTop))) {
sMax = Math.max(sMax, barTop);
sMin = Math.min(sMin, barTop);
}
if(isNumeric(sa.c2l(barBase))) {
sMax = Math.max(sMax, barBase);
sMin = Math.min(sMin, barBase);
}
if(isNumeric(sa.c2l(barTop))) expandRange(sRange, barTop);
if(isNumeric(sa.c2l(barBase))) expandRange(sRange, barBase);
}
}

Axes.expand(sa, [sMin, sMax], {tozero: true, padded: true});
Axes.expand(sa, sRange, {tozero: true, padded: true});
}


Expand All @@ -492,8 +493,8 @@ function stackBars(gd, sa, sieve) {
i, trace,
j, bar;

var sMax = sa.l2c(sa.c2l(0)),
sMin = sMax;
var s0 = sa.l2c(sa.c2l(0)),
sRange = [s0, s0];

for(i = 0; i < traces.length; i++) {
trace = traces[i];
Expand All @@ -512,20 +513,14 @@ function stackBars(gd, sa, sieve) {
bar[sLetter] = barTop;

if(!barnorm) {
if(isNumeric(sa.c2l(barTop))) {
sMax = Math.max(sMax, barTop);
sMin = Math.min(sMin, barTop);
}
if(isNumeric(sa.c2l(barBase))) {
sMax = Math.max(sMax, barBase);
sMin = Math.min(sMin, barBase);
}
if(isNumeric(sa.c2l(barTop))) expandRange(sRange, barTop);
if(isNumeric(sa.c2l(barBase))) expandRange(sRange, barBase);
}
}
}

// if barnorm is set, let normalizeBars update the axis range
if(!barnorm) Axes.expand(sa, [sMin, sMax], {tozero: true, padded: true});
if(!barnorm) Axes.expand(sa, sRange, {tozero: true, padded: true});
}


Expand Down Expand Up @@ -554,10 +549,20 @@ function normalizeBars(gd, sa, sieve) {
sLetter = getAxisLetter(sa),
sTop = (gd._fullLayout.barnorm === 'fraction') ? 1 : 100,
sTiny = sTop / 1e9, // in case of rounding error in sum
sMin = 0,
sMax = (gd._fullLayout.barmode === 'stack') ? sTop : 0,
sMin = sa.l2c(sa.c2l(0)),
sMax = (gd._fullLayout.barmode === 'stack') ? sTop : sMin,
sRange = [sMin, sMax],
padded = false;

function maybeExpand(newValue) {
if(isNumeric(sa.c2l(newValue)) &&
((newValue < sMin - sTiny) || (newValue > sMax + sTiny) || !isNumeric(sMin))
) {
padded = true;
expandRange(sRange, newValue);
}
}

for(var i = 0; i < traces.length; i++) {
var trace = traces[i];

Expand All @@ -574,32 +579,13 @@ function normalizeBars(gd, sa, sieve) {
barTop = barBase + bar.s;
bar[sLetter] = barTop;

if(isNumeric(sa.c2l(barTop))) {
if(barTop < sMin - sTiny) {
padded = true;
sMin = barTop;
}
if(barTop > sMax + sTiny) {
padded = true;
sMax = barTop;
}
}

if(isNumeric(sa.c2l(barBase))) {
if(barBase < sMin - sTiny) {
padded = true;
sMin = barBase;
}
if(barBase > sMax + sTiny) {
padded = true;
sMax = barBase;
}
}
maybeExpand(barTop);
maybeExpand(barBase);
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very nice simplification.

}
}

// update range of size axis
Axes.expand(sa, [sMin, sMax], {tozero: true, padded: padded});
Axes.expand(sa, sRange, {tozero: true, padded: padded});
}


Expand Down
43 changes: 42 additions & 1 deletion test/jasmine/tests/bar_test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -144,7 +144,7 @@ describe('Bar.supplyDefaults', function() {
});
});

describe('heatmap calc / setPositions', function() {
describe('bar calc / setPositions', function() {
'use strict';

beforeAll(function() {
Expand Down Expand Up @@ -697,6 +697,47 @@ describe('Bar.setPositions', function() {
expect(gd.calcdata[1][0].placeholder).toBe(true);
expect(gd.calcdata[1][0].t.barwidth).toBeUndefined();
});

it('works with log axes (grouped bars)', function() {
var gd = mockBarPlot([
{y: [1, 10, 1e10, -1]},
{y: [2, 20, 2e10, -2]}
], {
yaxis: {type: 'log'},
barmode: 'group'
});

var ya = gd._fullLayout.yaxis;
expect(Axes.getAutoRange(ya)).toBeCloseToArray([-0.572, 10.873], undefined, '(ya.range)');
});

it('works with log axes (stacked bars)', function() {
var gd = mockBarPlot([
{y: [1, 10, 1e10, -1]},
{y: [2, 20, 2e10, -2]}
], {
yaxis: {type: 'log'},
barmode: 'stack'
});

var ya = gd._fullLayout.yaxis;
expect(Axes.getAutoRange(ya)).toBeCloseToArray([-0.582, 11.059], undefined, '(ya.range)');
});

it('works with log axes (normalized bars)', function() {
// strange case... but it should work!
var gd = mockBarPlot([
{y: [1, 10, 1e10, -1]},
{y: [2, 20, 2e10, -2]}
], {
yaxis: {type: 'log'},
barmode: 'stack',
barnorm: 'percent'
});

var ya = gd._fullLayout.yaxis;
expect(Axes.getAutoRange(ya)).toBeCloseToArray([1.496, 2.027], undefined, '(ya.range)');
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@etpinard etpinard Mar 14, 2017 •
edited
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Nice tests! I wouldn't be opposed to adding a bar log image test too if you're up for it.

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Could be nice, but for now I think I'd better move on.

});
});

describe('A bar plot', function() {
Expand Down
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