[pstricks] flow-chart stack of boxes

[Hylke Beck]

I'm making a flow-chart and I'd like this simple psframebox:

|''''''''''''''''''|

|                  |
|  streamflow      |
|   index (Q)      |
|                  |
|__________________|

To look like this:

|''''''''''''''''''|
|                  |
|  streamflow      ||
|   index (Q)      |||
|                  |||
|__________________|||
 |__________________||
  |__________________|

I.e. to give the impression of multiple products. Is there an easy way to do this? My code currently looks like this:

\begin{figure*}

  \begin{psmatrix}

  \psframebox{\tabular{c}streamflow\\index ($Q$)\endtabular}

  \end{psmatrix}

\end{figure*}

Thanks in advance!





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