8000 Splom zoom perf by etpinard · Pull Request #2527 · plotly/plotly.js · GitHub
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Splom zoom perf #2527

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merged 14 commits into from
Apr 11, 2018
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replace selectAll with for(k in _plots) loop
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etpinard committed Apr 10, 2018
commit d3fe40dab5708bf94f83b472986726e8f8ff65a9
6 changes: 5 additions & 1 deletion src/components/shapes/draw.js
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,11 @@ function draw(gd) {
// Remove previous shapes before drawing new in shapes in fullLayout.shapes
fullLayout._shapeUpperLayer.selectAll('path').remove();
fullLayout._shapeLowerLayer.selectAll('path').remove();
fullLayout._shapeSubplotLayers.selectAll('path').remove();

for(var k in fullLayout._plots) {
var shapelayer = fullLayout._plots[k].shapelayer;
if(shapelayer) shapelayer.selectAll('path').remove();
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Interesting - why is this better? Wasn't fullLayout._shapeSubplotLayers essentially just an array of all the shapelayer nodes? Or is the win actually below in subroutines.js that you don't have to do a selectAll to find these?

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Or is the win actually below in subroutines.js that you don't have to do a selectAll to find these?

That. selectAll are bad.

}

for(var i = 0; i < fullLayout.shapes.length; i++) {
if(fullLayout.shapes[i].visible) {
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4 changes: 0 additions & 4 deletions src/plot_api/subroutines.js
Original file line number Diff line number Diff line change
Expand Up @@ -529,10 +529,6 @@ exports.drawData = function(gd) {
basePlotModules[i].plot(gd);
}

// keep reference to shape layers in subplots
var layerSubplot = fullLayout._paper.selectAll('.layer-subplot');
fullLayout._shapeSubplotLayers = layerSubplot.selectAll('.shapelayer');

// styling separate from drawing
Plots.style(gd);

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