Hi Juan, Thanks for raising the ticket. I will look into it and possibly add a small script to reproduce what I’m facing.
Best, Surya > On May 2, 2017, at 8:48 AM, Juan Nunez-Iglesias <jni.s...@gmail.com> wrote: > > I’ve raised the issue: > https://github.com/scikit-image/scikit-image/issues/2646 > <https://github.com/scikit-image/scikit-image/issues/2646> > > On 29 Apr 2017, 5:40 AM +1000, Stefan van der Walt <stef...@berkeley.edu>, > wrote: >> It may well be that those two functions use opposite directions for theta. >> Do you mind filing an issue? >> >> Thanks >> Stéfan >> >> On Fri, Apr 28, 2017, at 11:02, Surya Kasturi wrote: >>> Hi, >>> >>> I’m trying to use skimage.measure.EllipseModel to estimate an ellipse >>> around a contour. The results seems to be not so satisfying. I am wondering >>> if I am using “orientation” parameter correctly. >>> >>> Could anyone please let me know whether “theta” is in radians or degrees? / >>> I am doing anything wrong? >>> >>> from skimage.measure import EllipseModel >>> >>> # create ellipse model >>> ellipse = EllipseModel() >>> ellipse.estimate(cnt) >>> >>> xc, yc, a, b, theta = np.array(ellipse.params, dtype=int) >>> >>> # find perimeter >>> rr, cc = draw.ellipse_perimeter(xc, yc, a, b, orientation=theta) >>> >>> # plot >>> ax.scatter(cc, rr, s=5, label="EllipseModel”) >>> >>> >>> <plt.png> >>> >>> >>> Thank you, >>> Surya >>> <plt.png> >>> _______________________________________________ >>> scikit-image mailing list >>> scikit-image@python.org <mailto:scikit-image@python.org> >>> https://mail.python.org/mailman/listinfo/scikit-image >>> <https://mail.python.org/mailman/listinfo/scikit-image> >> _______________________________________________ >> scikit-image mailing list >> scikit-image@python.org >> https://mail.python.org/mailman/listinfo/scikit-image
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