curveType: 'function' dips below x-axis

[wi...@airdna.co]

Can the curveType: 'function' for a LineChart be set so that the line doesn't dip below zero?  Most of the data points are above zero, but if one data point is zero the line curves below the x-axis, which looks weird. 

[Daniel LaLiberte]

Hi Will,

We've also recently noticed that problem with the smoothed lines dipping below 0.  That's the way the line smoothing works, unfortunately, and we probably can't change it now without breaking other people's assumptions.  We could provide an option to specify how the smoothing is done, and then avoid this problem with a new smoothing algorithm.  No promises for when we will be able to get to this.

On Fri, Oct 30, 2015 at 11:20 AM, <wi...@airdna.co> wrote:

Can the curveType: 'function' for a LineChart be set so that the line doesn't dip below zero?  Most of the data points are above zero, but if one data point is zero the line curves below the x-axis, which looks weird. 

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Daniel LaLiberte  - 978-394-1058

dlaliberte@Google.com   5CC, Cambridge MA

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