Nope, SQL/MM only specifies circular arcs. At this point, I'll be happy just to get that support roughed in fully.
P On 3/9/08, Jeshua Lacock <[EMAIL PROTECTED]> wrote: > > Greetings, > > I am wondering if bezier type paths are supported with PostGIS. The > path is comprised of segments with an "anchor" point (X,Y) and a > "in" (X,Y) and "out" (X,Y) point. The anchor point is where the > segment is located and the in and out points of a segment define the > tangent of the curve at point. > > > I looked at the SQL-MM definitions, but I do not see a way to use them > for a bezier type curve: > > CIRCULARSTRING(0 0, 1 1, 1 0) > > COMPOUNDCURVE(CIRCULARSTRING(0 0, 1 1, 1 0),(1 0, 0 1)) > > CURVEPOLYGON(CIRCULARSTRING(0 0, 4 0, 4 4, 0 4, 0 0),(1 1, 3 3, 3 1, 1 > 1)) > > MULTICURVE((0 0, 5 5),CIRCULARSTRING(4 0, 4 4, 8 4)) > > > > Will I have to store the anchor points as a LINESTRING and created a > relational table for the in and out points? > > And advice is greatly appreciated! > > > Many Thanks, > > Jeshua Lacock > Founder/Programmer > 3DTOPO Incorporated > <http://3DTOPO.com> > Phone: 877.240.1364 > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users > _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
