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Handle invalid values and zero totals for pie and funnelarea - #4416
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| if(trace.dlabel) { | ||
| labels = new Array(vals.length); | ||
| for(i = 0; i < vals.length; i++) { | ||
| labels = []; |
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What's wrong with labels = new Array(len);? I'm not a fan an implicit array-pushing e.g.
vararr=[];for(vari=0;i<N;i++){arr[i]=i;}like you have here.
| if(v < 0) { | ||
| sum = 0; | ||
| break; |
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Hmm. Don't you mean continue; here instead of break; ?
If I understand correctly, this makes any trace with one (or more) negative values have _length=0 ?
| sum += v; | ||
| } | ||
| if(!sum) len = 0; | ||
| } |
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Moreover, you're potentially looping here over all the values items. This is something we usually defer to the calc step to keep supplyDefaults performance scaling as the number of attributes NOT the number of data array items.
As pie-like trace usually don't have that many data array items, this is not a big deal, but still could you move some of this logic to the calc step?
- apply isNumeric test - should skip Infinity - no need to compuet sum - declare known size of Array
etpinard
commented
Jan 7, 2020
Nicely done - 💃 ! |
Fixes#4414
Before
After
@plotly/plotly_js