I tried a cubic curve and it does look better. I agree that the "broken" may
caused by the data points.

Thanks a lot for your help :)


Stephen <mca### [at] aolcom> wrote:
> On 24/05/2014 15:33, xslittlegrass wrote:
>  > Hi Stephen,
>  >
>  > It works , thanks a lot!
>  > But there is still one broken part remains. I created a zoom in of the
>  > broken part here
>  >
>  > http://imgur.com/j1ys4Nb
>  >
>  > Do you know why that happens?
>  >
>
> Not really but I suspect that it may have something to do with the
> spacing of the plotted points.
> Have you tried a cubic curve?
> And less points. Remember that the curve does not necessary pass through
> the points. They are control points.
>
> --
>
> Regards
>      Stephen
>
> --
>
> Regards
>      Stephen

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