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Event data for transformed traces is inconsistent

See original GitHub issue

This plot is throws an error whenever I hover in 1.28.2:

https://codepen.io/rsreusser/pen/bRRBjg

Uncaught TypeError: Cannot read property 'length' of undefined
    at Object.exports.appendArrayPointValue (plotly-1.28.2.js:113510)
    at _hover (plotly-1.28.2.js:113987)
    at Object.hover (plotly-1.28.2.js:113608)
    at SVGRectElement.maindrag.onmousemove (plotly-1.28.2.js:138465)

Apologies this isn’t a simpler plot type, but I’ve noticed this while working on groupby and the splinter tests now seem to be failing because of it. I tried and failed to reproduce it with a plain codepen, so this is the first time I’ve been able to reproduce it in a couple lines.

Issue Analytics

State:
Created 6 years ago
Comments:13 (12 by maintainers)

Top GitHub Comments

2reactions

etpinardcommented, Nov 16, 2017

A quick note about this ticket post-https://github.com/plotly/plotly.js/pull/2162 (see also https://github.com/plotly/plotly.js/issues/2128) where all transforms now compute indexToPoints map objects.

Adding indexToPoints to the ohlc and candlestick transform modules could somewhat easily resolve this ticket here.

That said, I think we should instead spend the time (not more than 1-week) rewriting ohlc and candlestick w/o transforms altogether. Making ohlc and candlestick conventional trace types with there own calc step and thoughtfully reusing Scatter.plot and Box.plot in their plot step would make them a lot less painful to work with (especially in the plotly workspace and for fixing https://github.com/plotly/plotly.js/issues/2004).

1reaction

etpinardcommented, Jun 26, 2017

@rreusser 's https://github.com/plotly/plotly.js/pull/1808 brought back hover for finance traces, but this issue isn’t completely resolved.

Event data for finance traces and, more generally, all transformed traces isn’t currently showing all array attribute values as what PR https://github.com/plotly/plotly.js/pull/1770 put forward for non-transformed traces.

Changing the issue title accordingly.

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