Le mar. 7 janv. 2020 à 17:55, Matt Juntunen <matt.juntu...@hotmail.com> a écrit : > > Gilles, > > > "AffineMap" (?) > > I think any name that doesn't include the word "transform" somehow would > probably be confusing.
This is supposed to be a synonym.[1] I thought that the question was how to replace "transform"... > > > Was the same "Transform" interface used in both the "euclidean" and the > "spherical" packages of "Commons Math"? > > Indirectly. SphericalPolygonsSet extended AbstractRegion, which included an > applyTransform(Transform) method. So the "affine" requirement (in the doc) applied there too. Anyways, what would be the issue(s) of a non-affine transform? IOW why should implementations of "Transfrom" be restricted to affine transform? Regards, Gilles [1] https://en.wikipedia.org/wiki/Affine_transformation > -Matt > ________________________________ > From: Gilles Sadowski <gillese...@gmail.com> > Sent: Tuesday, January 7, 2020 10:29 AM > To: Commons Developers List <dev@commons.apache.org> > Subject: Re: [geometry] Rename Transform to AffineTransform > > Hello. > > Le mar. 7 janv. 2020 à 16:00, Matt Juntunen > <matt.juntu...@hotmail.com> a écrit : > > > > Hi all, > > > > The documentation for the o.a.c.geometry.core.Transform interface (which > > comes from the original commons-math version) states that implementations > > must be affine. Therefore, I think we should rename this interface to > > AffineTransform to avoid confusion with other types of transforms, such as > > projective transforms. Potential problems with this are > > - the fact that the JDK already has a class with the same name > > (java.awt.geom.AffineTransform), and > > "AffineMap" (?) > > > - I'm not sure if the term "affine" can technically be applied to > > non-Euclidean geometries, such as spherical geometry (there may be nuances > > there that I'm not aware of). > > Was the same "Transform" interface used in both the "euclidean" and the > "spherical" packages of "Commons Math"? > > Regards, > Gilles > > > Anyone have any insight or opinions on this? I've created GEOMETRY-80 to > > track this issue. > > > > Regards, > > Matt --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
