I’ve raised the issue: 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”) > > > > > > > > > > > > Thank you, > > Surya > > > > _______________________________________________ > > scikit-image mailing list > > scikit-image@python.org > > 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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