This indeed is exactly what I want. I only don't understand how you did it. The
network that Chris included in his message gives a syntax error on line one when
I try to load it into DX (yes, I removed the email header and footer), so
I can't under what he did.

Maybe you could lead me through the steps to take  to get the last image
from the first.


On Fri, 1 Mar 2002, Gregory D Abram wrote:

>
> You know, I bet you really want a different grid from the one you have.
> Consider this positions-dependent
> grid:
>
> (Embedded image moved to file: pic09171.pcx)
>
> If you Post it, you get this:
>
> (Embedded image moved to file: pic26268.pcx)
>
> But maybe you really wanted this:
>
> (Embedded image moved to file: pic28261.pcx)
>
> That is, cells centered at the data points, rather than with vertices at
> the data points.
>
> Greg
>
>
>
> Eelco Van Vliet <[EMAIL PROTECTED]>@opendx.watson.ibm.com on
> 03/01/2002 04:02:47 AM
>
> Please respond to [email protected]
>
> Sent by:    [EMAIL PROTECTED]
>
>
> To:    <[email protected]>
> cc:
> Subject:    Re: [opendx-users] Colormap
>
>
>
>
> Okay, this is indeed what I was looking for. But still, for completeness,
> how can I take the corner values of the vertices instead of the average.
> This is what I prefer, since then you can see the real values as they
> appear in you data set, without any modification.
>
> Thanks for the tip anyway.
> Eelco
>
>
> On Thu, 28 Feb 2002, Gregory D Abram wrote:
>
> >
> > In OpenDX, data components can either be dependent on (that is, in a 1-1
> > relationship with) either the vertices, in the "positions" component, or
> on
> > the grid cells, in the "connections" component.  Positions dependency
> > implies that the values are to be interpolated across the cells;
> > connections dependency implies that the value is held constant across the
> > cell.   One way to transform positions-dependent data to connections
> > dependency is to use Post(..., "connections"), which will average the
> > values at the vertices of each cell to derive a value for the cell.  If
> you
> > want a specific corner, there are ways to get it, but I bet the Post
> result
> > is what you want.
> >
> > Greg
> >
> >
> > Eelco Van Vliet <[EMAIL PROTECTED]>@opendx.watson.ibm.com on
> > 02/28/2002 12:39:52 PM
> >
> > Please respond to [email protected]
> >
> > Sent by:    [EMAIL PROTECTED]
> >
> >
> > To:    <[email protected]>
> > cc:
> > Subject:    [opendx-users] Colormap
> >
> >
> >
> >
> > Is it possible to 'switch' off the interpolation for positiion dependent
> > data when coloring the data, and instead take for instance the value
> > of one corner of a grid cell
> >
> > I don't want to use the 'Band' module, since then the positions are
> > alterated.
> >
> > Eelco
> >
> >
> >
> >
> >
>
>
>

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