On 6/15/07, Glynn Clements <[EMAIL PROTECTED]> wrote:

Dylan Beaudette wrote:

> > > There has been a thread about how v.transform functions and Glynn pointed
> > > out that part of the problem is that the short description does not
> > > really describe what it does, at least from a GIS perspective:
> > >
> > > " Transforms a vector map layer from one coordinate system into another
> > > coordinate system."
> > >
> > > I'm working on wxgrass menus at the moment and trying to come up with
> > > useful menu entries. A better short description for v.transform might be:
> > >
> > > "Reposition (shift and rotate) vector file in coordinate space"
> > >
> > > Thoughts?
> >
> > It can also scale.
>
> ... and to be complete, it can also shear.

Only when using the pointsfile= option; there isn't any direct way to
specify a transformation which includes shear.


Yes, good (point) . It would be an interesting add-on, to manually
specify the components of the affine transformation matrix. perhaps in
addition to the existing manual adjustments. Maybe I will have a try
at this.

cheers,

dylan

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