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| fitting closed contours http://forum.alglib.net/viewtopic.php?f=2&t=872 |
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| Author: | intelharsh [ Wed Jun 26, 2013 7:33 am ] |
| Post subject: | fitting closed contours |
Hello people! I started using aglib and am getting fantastic results for open curves. I am currently using "Penalized regression spline" for closed curve fitting. But, I am not getting satisfactory results. What should I do for closed curves? Regards Harsh Deshpande |
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| Author: | intelharsh [ Thu Jun 27, 2013 7:19 am ] |
| Post subject: | Re: fitting closed contours |
Hey guys, I was finally able to solve this using parametric equations. We can find parameters for (x, y) by t(1)=0 t(i+1)=t(i)+sqrt((x(i+1)-x(i)^2+(y(i+1)-y(i))^2); i=i,...,n Then use cubic spline for (t, x) and (t, y) and plot the resultant (xS, yS) (where xS and xS are resultant of spline interpolation). Hope this is the right way of doing it. Thanks Harsh |
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