Re: Point in Triangle (fwd)

• To: Desiree Hilbring <hilbring@xxxxxxxxxxxxxxxxxxxx>
• Subject: Re: Point in Triangle (fwd)
• From: James Kelly <J.Kelly@xxxxxxxxxx>
• Date: Tue, 27 Feb 2001 08:07:26 +1100

Hi Desiree and Steve,

I recently converted an interpolation/extrapolation scheme to java. It uses some
sort of cubic formula for the extrapolation. Let me know if you are interested.
It is about 170 lines of code (including comments!).

Cheers,

James

Desiree Hilbring wrote:

> Hi,
>
> thanks Steve, the extrapolation would have been a nice add on. For the
> moment  the interpolation is working fine and I am really happy.
> Thanks for all your help.
>
> Desiree
>
> o------------------------------------------------------------------------o
> | Desiree Hilbring      Institut fuer Photogrammetrie und Fernerkundung  |
> |                       Universitaet Karlsruhe, Germany                  |
> |                                                                        |
> |                       email: hilbring@xxxxxxxxxxxxxxxxxxxx             |
> |                       # 0721 6083676                                   |
> o------------------------------------------------------------------------o
>
> On Mon, 26 Feb 2001, Steve Emmerson wrote:
>
> > Desiree,
> >
> > >Date: Mon, 26 Feb 2001 11:26:53 +0100 (MET)
> > >From: Desiree Hilbring <hilbring@xxxxxxxxxxxxxxxxxxxx>
> > >To: Steve Emmerson <steve@xxxxxxxxxxxxxxxx>
> > >Subject: Re: Point in Triangle (fwd)
> >
> > The above message contained the following:
> >
> > > many thanks for your help. Sometimes it happens, that my point is outside
> > > the triangluated points, then I get for the interpolated height NaN.
> > > Ok, it is not possible to interpolate a point outside. Is there a way to
> > > extrapolate the height?
> >
> > Sorry.        I don't know of any core VisAD classes that perform arbitrary
> > extrapolation.
> >
> > Regards,
> > Steve Emmerson   <http://www.unidata.ucar.edu>
> >

--
James Kelly
Regional Computing and Distributed Systems        Bureau of Meteorology
PO Box 1289K                                  Melbourne 3001, Australia
Phone: 61-3-9669-4724 Fax: 61-3-9669-4128     Email: J.Kelly@xxxxxxxxxx

• References:
  • Re: Point in Triangle (fwd)
    • From: Desiree Hilbring