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Subject: Public Comment
Comment from: firstname.lastname@example.org Should there be 45-degree or polar coordinate glue points? Section 9.2.18 describes glue points for connectors, and specifies that there are 4 standard glue points (basically North, South, East, West). But should there also be "standard" glue points for 45-degree connections (NE, SE, NW, SW)? These are fairly common in drawings using connectors. For circular objects (circles, ellipses), the Position representation of 45-degree points is almost always a compromise. For a unit circle you want x="cos(45degrees)" y="sin(45degrees)" which can't be precisely represented (the "best" representation will work well enough, but will be confusing to read later). A more general (though more complicated) representation might be to also permit glue point representations to use (angle, range) to define a point. This is basically a polar representation. Perhaps it would also be useful to be able to specify just the "angle", to represent "longest distance in the shape, where angle is measured in degrees (this is useful when shapes have many points and are connected with splines). E.g.: direction="45" range="1" This is definitely more of a "wish list" item, but I thought you might want to think about it. If not for version 1, you could at least note that "future versions may add..." if you think it might be added in the future.