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Setting correct decimated values when below threshold #8883

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merged 4 commits into from Apr 12, 2021
Merged

Setting correct decimated values when below threshold #8883

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1efe370
Setting correct decimated values when below threshold
Nico-DF Apr 12, 2021
0f94e81
Using existing function for cleaning decimated data
Nico-DF Apr 12, 2021
5b3f260
Cleaning decimated only on current dataset
Nico-DF Apr 12, 2021
4bd7e87
Reordering decimation clean to avoid allocation
Nico-DF Apr 12, 2021
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17 changes: 11 additions & 6 deletions src/plugins/plugin.decimation.js
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Expand Up @@ -153,14 +153,18 @@ function minMaxDecimation(data, start, count, availableWidth) {
return decimated;
}

function cleanDecimatedDataset(dataset) {
if (dataset._decimated) {
const data = dataset._data;
delete dataset._decimated;
delete dataset._data;
Object.defineProperty(dataset, 'data', {value: data});
}
}

function cleanDecimatedData(chart) {
chart.data.datasets.forEach((dataset) => {
if (dataset._decimated) {
const data = dataset._data;
delete dataset._decimated;
delete dataset._data;
Object.defineProperty(dataset, 'data', {value: data});
}
cleanDecimatedDataset(dataset);
});
}

Expand Down Expand Up @@ -232,6 +236,7 @@ export default {
let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data);
if (count <= 4 * availableWidth) {
// No decimation is required until we are above this threshold
cleanDecimatedDataset(dataset);
return;
}

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