As per my tests , it seems that for ```data[type=contour].line.width``` default value is ```0.5``` instead of documented ```2``` https://plot.ly/javascript/reference/#contour-line-width
Activity
[-][Bug] data[type=contour].line width documentation error[/-][+][Bug] data[type=contour].line width documentation typo[/+]etpinard commentedon Sep 19, 2019
Thanks for reporting!
Here are the relevant lines in case someone would like to make a PR:
plotly.js/src/traces/contour/attributes.js
Lines 242 to 244 in 56f6983
plotly.js/src/traces/contour/style_defaults.js
Line 25 in 56f6983
fix #4203 - fix `line.width` attr declaration in *contour traces
line.width
attr declaration in *contour traces #4218