[postgis-devel] point constructors

[strk at refractions.net]

On Wed, Oct 13, 2004 at 09:35:53AM -0700, Paul Ramsey wrote:
> (a) yes, I think the setsrid(makepoint()) is preferable
> (b) can I have a  makepoint(...) constructor that just does the "right 
> thing" depending on the number of arguments? I know the dz and dm cases 
> have the same number of arguments, but I will assume for the purposes of 
> simplicity that the 3-argument form is xyz.

Yes and yes.
For simplicity sake this could be:
	makePoint(x, y);
	makePoint(x, y, z);
	makePoint(x, y, z, m);
	makePointM(x, y, m);

what do you think ?
--strk;

> 
> 
> strk at refractions.net wrote:
> 
> >I've added the following functions to postgis HEAD branch.
> >
> >	makepoint2d(SRID, x, y);
> >	makepoint3dz(SRID, x, y, z);
> >	makepoint3dm(SRID, x, y, m);
> >	makepoint4d(SRID, x, y, z, m);
> >
> >Do you think the SRID arg should be omitted instead ?
> >
> >	setSRID(makepoint2d(10, 10), 4326); // would replace it
> >
> >--strk;
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