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image: constrain axes to domain, apply defaults whenever an image is present #4313

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Merged
merged 6 commits into from
Oct 29, 2019
Merged

image: constrain axes to domain, apply defaults whenever an image is present #4313

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2306880
image: smart default layout to constrain y axis to domain
antoinerg Oct 28, 2019
6ad80ab
image: document smart layout default to constrain to domain
antoinerg Oct 28, 2019
8ef17c3
image: apply layout defaults if an image is present at all
antoinerg Oct 29, 2019
d1eca2c
image: test that axis default constrain: 'domain' is applied to x axis
antoinerg Oct 29, 2019
31dbc8e
fix to make sure axis layout defaults are used when no image present
antoinerg Oct 29, 2019
29cf98f
fix to set scaleanchorDflt and constrainDflt to undefined when no ima…
antoinerg Oct 29, 2019
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4 changes: 2 additions & 2 deletions src/plots/cartesian/layout_defaults.js
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Original file line number Diff line number Diff line change
Expand Up @@ -302,12 +302,12 @@ module.exports = function supplyLayoutDefaults(layoutIn, layoutOut, fullData) {
axLayoutIn = layoutIn[axName];
axLayoutOut = layoutOut[axName];

var scaleanchorDflt = null;
var scaleanchorDflt;
if(axLetter === 'y' && !axLayoutIn.hasOwnProperty('scaleanchor') && axHasImage[axName]) {
scaleanchorDflt = axLayoutOut.anchor;
}

var constrainDflt = null;
var constrainDflt;
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@etpinard etpinard Oct 29, 2019 •
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I think we need to reset to null as we're in a loop:

var axNames = ['xaxis', 'yaxis']

for(var i = 0; i < axNames.length; i++) {
  var dflt;
  if(axNames[i] === 'xaxis') {
    dflt = 'NEW DEFAULT';
  }
  console.log(dflt)
}

prints NEW DEFAULT twice, whereas

var axNames = ['xaxis', 'yaxis']

for(var i = 0; i < axNames.length; i++) {
  var dflt = null;
  if(axNames[i] === 'xaxis') {
    dflt = 'NEW DEFAULT';
  }
  console.log(dflt)
}

print NEW DEFAULT and then null.

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@antoinerg antoinerg Oct 29, 2019

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You're right but setting it to null will prevent var constrain = coerce('constrain', constrainDflt); from getting the default value. This can be seen in the previous commit d1eca2c for which test-image fails. Any suggestion/simple fix for this?

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@antoinerg antoinerg Oct 29, 2019

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Setting it to undefined make the tests pass but the linter complains :\

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@antoinerg antoinerg Oct 29, 2019

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The following pass all the tests (including linter). Would that be 👌 ?

        var scaleanchorDflt;
        if(axLetter === 'y' && !axLayoutIn.hasOwnProperty('scaleanchor') && axHasImage[axName]) {
            scaleanchorDflt = axLayoutOut.anchor;
        } else {scaleanchorDflt = undefined;}

        var constrainDflt;
        if(!axLayoutIn.hasOwnProperty('constrain') && axHasImage[axName]) {
            constrainDflt = 'domain';
        } else {constrainDflt = undefined;}

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@etpinard etpinard Oct 29, 2019

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What about:

        var scaleanchorDflt = undefined;
        if(axLetter === 'y' && !axLayoutIn.hasOwnProperty('scaleanchor') && axHasImage[axName]) {
            scaleanchorDflt = axLayoutOut.anchor;
        }

        var constrainDflt = undefined;
        if(!axLayoutIn.hasOwnProperty('constrain') && axHasImage[axName]) {
            constrainDflt = 'domain';
        }

??

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@antoinerg antoinerg Oct 29, 2019

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Screenshot_2019-10-29_14-02-21

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@etpinard etpinard Oct 29, 2019

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Ha that's annoying. Your latest is fine 👍

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@antoinerg antoinerg Oct 29, 2019

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Done in 29cf98f

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@etpinard etpinard Oct 29, 2019

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by latest I mean:

        var scaleanchorDflt;
        if(axLetter === 'y' && !axLayoutIn.hasOwnProperty('scaleanchor') && axHasImage[axName]) {
            scaleanchorDflt = axLayoutOut.anchor;
        } else {
            scaleanchorDflt = undefined;
        }

        var constrainDflt;
        if(!axLayoutIn.hasOwnProperty('constrain') && axHasImage[axName]) {
            constrainDflt = 'domain';
        } else {
            constrainDflt = undefined;
        }

if(!axLayoutIn.hasOwnProperty('constrain') && axHasImage[axName]) {
constrainDflt = 'domain';
}
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4 changes: 2 additions & 2 deletions test/jasmine/tests/image_test.js
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Expand Up @@ -172,8 +172,8 @@ describe('image smart layout defaults', function() {
gd.data = [{type: 'image', z: [[[255, 0, 0]]]}];
gd.layout = {yaxis: {constrain: false}, xaxis: {constrain: false}};
supplyAllDefaults(gd);
expect(gd._fullLayout.xaxis.constrain).toBe(undefined);
expect(gd._fullLayout.yaxis.constrain).toBe(undefined);
expect(gd._fullLayout.xaxis.constrain).toBe('range');
expect(gd._fullLayout.yaxis.constrain).toBe('range');
});
});

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