From: Xiaogang Wang (xgwang.dalian_at_gmail.com)
Date: Sat Mar 19 2011 - 17:15:48 CDT

On Sat, 19 Mar 2011, Axel Kohlmeyer wrote:

> On Sat, Mar 19, 2011 at 2:23 AM, Xiaogang Wang <xgwang.dalian_at_gmail.com> wrote:
>> Hello,
>>
>> My volumetric data is not on a grid. Can VMD read it
>> and plot isosurface by interpolating between my data ?
>
> no.
>
Thanks for your answer. It is disappointing. Gnuplot can do this sort of
thing for contour plots (3D). Its recent version seems to be able to read
"non-grid" volumetric data. But its 4D plot is rather weak compared to
VMD.

Xiaogang

>> The data set is not structureless, though. It is mapped from
>> a 3D grid.  An example data set has the following 8 points,
>> mapped from an original 2x2x2 grid.
>
>>
>> x1  y1  z1  f(x1,y1,z1)
>> x2  y2  z2  f(x2,y2,z2)
>> x3  y3  z3  f(x3,y3,z3)
>> x4  y4  z4  f(x4,y4,z4)
>> x5  y5  z5  f(x5,y5,z5)
>> x6  y6  z6  f(x6,y6,z6)
>> x7  y7  z7  f(x7,y7,z7)
>> x8  y8  z8  f(x8,y8,z8)
>>
>>
>> Thanks.
>> Xiaogang Wang
>>
>
>
>
> --
> Dr. Axel Kohlmeyer
> akohlmey_at_gmail.com  http://goo.gl/1wk0
>
> Institute for Computational Molecular Science
> Temple University, Philadelphia PA, USA.
>