Re: Vector scaling

• To: Tom Rink <rink@xxxxxxxxxxxxx>
• Subject: Re: Vector scaling
• From: John Osborne <John.Osborne@xxxxxxxx>
• Date: Mon, 10 Feb 2003 13:05:50 -0800

Thanks Tom--that did the trick.

oz

----- Original Message -----
From: Tom Rink <rink@xxxxxxxxxxxxx>
Date: Monday, February 10, 2003 10:55 am
Subject: Re: Vector scaling

> Hi John
> 
> From any of your ScalarMaps to Flow1X, Flow1Y, Flow1Z or
> Flow2X, Flow2Y, Flow2Z :
> 
> ScalarMap flow1x_map
> FlowControl flow_control =  (FlowControl) flow1x_map.getControl();
> flow_control.setFlowScale(float scale)
> 
> You'll have to fiddle with the scale value, I think the default is 
> 0.02
> TomR
> 
> John Osborne wrote:
> 
> > I have succeeded in producing a 3D vector plot with ViSAD. That 
> is, I
> > have u,v,w components of velocity defined on an x,y,z grid. The 
> problem> is that the vectors drawn at the grid points are hard to 
> see unless you
> > really zoom into the plot. Is there a way to explicity set a scaling
> > vactor for the vector magnitudes to accentuate the vector 
> arrows. Simply
> > multiplying the component magnitudes by a constant doesn't seem to
> > change anything. Is there some kind of VisAD-internal 
> normalization or
> > scaling occuring? Thanks in advance.
> >
> > JO
> > NOAA/PMEL
> 
>