AW: AW: [Paraview] Combine vect

Amy Henderson amy.henderson at kitware.com
Thu, 13 May 2004 15:42:06 -0400


Please keep the discussion on the ParaView mailing list.  Also, what=20
version of ParaView are you using?

- Amy

At 03:32 PM 5/13/2004, you wrote:
>Ahh.. Now I think I've got the problem...
>I really need a vector for the streamlines... But after "calc" I only get a
>scalar value again...
>
>
>--
>Dipl.-Ing. Soeren Freudiger
>Institut fuer ComputerAnwendungen im Bauingenieurwesen
>TU Braunschweig, Pockelsstr. 3, D-38106 Braunschweig
>Tel.: +49 531/391-7595, Mobil: +49 176/210 17 444
>email: freud at cab.bau.tu-bs.de
>http://www.cab.bau.tu-bs.de/
>-----Urspr=FCngliche Nachricht-----
>Von: Amy Henderson [mailto:amy.henderson at kitware.com]
>Gesendet: Donnerstag, 13. Mai 2004 20:58
>An: paraview at paraview.org
>Cc: freud at cab.bau.tu-bs.de
>Betreff: Re: AW: [Paraview] Combine vect
>
>S=F6ren,
>
>I'm copying this to the paraview mailing list so others can benefit from=
 the
>answers.
>
>- Amy
>
> >Date: Thu, 13 May 2004 14:56:25 -0400
> >To: S=F6ren Freudiger <freud at cab.bau.tu-bs.de>, "'Amy Henderson'"
> ><amy.henderson at kitware.com>
> >From: Amy Henderson <amy.henderson at kitware.com>
> >Subject: Re: AW: [Paraview] Combine vect
> >
> >At 02:52 PM 5/13/2004, S=F6ren Freudiger wrote:
> >>Hello again...
> >>Thanks for that very quick answer.
> >>But this does ot seem to work...
> >>I only got absolutly straight streamlines by doing this.
> >>
> >>iHat * x1-vel  + jHat * x3-vel + kHat * x3-vel
> >>
> >>If I write
> >>
> >>(iHat * x1-vel)  + (jHat * x3-vel) + (kHat * x3-vel)
> >>
> >>I'll get totaly differnet results...
> >
> >If you want the components of your vector to be x1-vel, x2-vel, and
> >x3-vel, then your equation should be:
> >iHat * (x1-vel) + jHat * (x2-vel) + kHat * (x3-vel)
> >
> >The standard mathematical order of operations applies. In your
> >expressions, things in parentheses are computed first, followed by
> >multiplication, followed by addition and subtraction.
> >
> >- Amy
> >
> >>--
> >>Dipl.-Ing. Soeren Freudiger
> >>Institut fuer ComputerAnwendungen im Bauingenieurwesen TU
> >>Braunschweig, Pockelsstr. 3, D-38106 Braunschweig
> >>Tel.: +49 531/391-7595, Mobil: +49 176/210 17 444
> >>email: freud at cab.bau.tu-bs.de
> >>http://www.cab.bau.tu-bs.de/
> >>-----Urspr=FCngliche Nachricht-----
> >>Von: Amy Henderson [mailto:amy.henderson at kitware.com]
> >>Gesendet: Donnerstag, 13. Mai 2004 19:28
> >>An: S=F6ren Freudiger; paraview at paraview.org
> >>Betreff: Re: [Paraview] Combine vect
> >>
> >>Hi S=F6ren,
> >>
> >>Yes, it is possible. Run the Calculator filter on your data. iHat,
> >>jHat, and kHat are unit vectors in each of the i, j, and k directions,
> >>so your expression you want to enter would look like:
> >>iHat * scalars1 + jHat * scalars2 + kHat * scalars3 (Substitute the 3
> >>scalar arrays you want to use for X, Y, and Z in your vector for
> >>scalars1, scalars2, and scalars3, respectively.) The array specified
> >>in the "Result Array Name" entry will contain your new vector array.
> >>
> >>- Amy
> >>
> >>At 01:07 PM 5/13/2004, S=F6ren Freudiger wrote:
> >> >Hello
> >> >Is it possible to combine scalars to a vector?
> >> >I only have got scalars and want to visualise streamlines...
> >> >Best regards,
> >> >
> >> >--
> >> >Dipl.-Ing. Soeren Freudiger
> >> >Institut fuer ComputerAnwendungen im Bauingenieurwesen TU
> >> >Braunschweig, Pockelsstr. 3, D-38106 Braunschweig
> >> >Tel.: +49 531/391-7595, Mobil: +49 176/210 17 444
> >> >email: freud at cab.bau.tu-bs.de
> >> >http://www.cab.bau.tu-bs.de/
> >> >
> >> >_______________________________________________
> >> >ParaView mailing list
> >> >ParaView at paraview.org
> >> >http://www.paraview.org/mailman/listinfo/paraview