OK, since noone responded I changed my program to include a sorting of the
coordinates for 1D situations (in multi-d on unstructured grids this makes
no sense). Then everything works fine. Nevertheless, I would have thought
that DX would not need this reordering. A bug?
Nicolas.
Nicolas Neuss <[EMAIL PROTECTED]> writes:
> Hello,
>
> I am plotting finite element data on 1D/2D/3D unstructured grids with dx.
> This data is usually smooth inside each cell/element/connection, often even
> continuous throughout the domain (but for generality, I do not want to use
> this latter continuity).
>
> For 2D and 3D plotting this works rather good. For plotting of FE
> functions depending on only one variable I want to use the Plot module (as
> was suggested to me recently on this list) to generate an xy-diagram. I
> wrote something like the file
>
> image-data-1d.dx:
>
> object 1 class array type float rank 1 shape 1 items 4 data follows
> 0.5
> 0.
> 1.
> 0.5
> object 2 class array type int rank 1 shape 2 items 2 data follows
> 3 2
> 1 0
> attribute "element type" string "lines"
> attribute "ref" string "positions"
> object 4 class array type float rank 0 items 4 data follows
> 0.125
> 0.
> 0.1
> 0.125
> attribute "dep" string "positions"
> object "simplex-part" class field
> component "positions" value 1
> component "connections" value 2
> component "data" value 4
> end
>
> Unfortunately, when I look at it with
>
> dx -script --> and then
>
> data = Import("image-data-1d.dx");
> data = Options(data, "mark", "circle");
> xyplot = Plot(data);
> camera = AutoCamera(xyplot);
> image = Render (xyplot, camera);
> Display (image);
>
> I see that a triangle appears instead of the desired graph. I assume that
> the connections component in the file is disregarded. Does anyone see,
> what is the problem here?
>
> Thank you very much,
>
> Nicolas.
