kneufeld at refractions.net
Mon Jul 7 08:29:20 PDT 2008
What if you compared the "widths" of your two geometries by looking at
the difference in the xmax and xmin? You can then compute the relative
size ratio along the x-axis to be used in the second parameter of
ST_Scale(geometry g, int x, int y, int z). Do the same for the y and z
Bob Pawley wrote:
> I want to scale a geometry of unknown size to the same size as a
> standard geometry.
> ST_Scale(geometry, float8, float8) - this function does the job but the
> releative size needs to be known as a float8.
> Is there a method of establishing the float8 by comparing the relative
> size of the two geometries. (I've looked at St_Difference but it just
> returns a geometry).
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