diagram (psmatrix) problem

[Michael Sharpe]

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If I'm understanding your problem correctly, you can  position of the 
arrow going to node (2,2) so that it's closer in by rewriting that 
line as

\ncline[nodesepB=0pt]{1,3}{2,2}




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>This is the PSTricks mailing list, devoted to discussions about computational
>graphics in (La)TeX using the PSTricks package from Timothy van Zandt.
>For help using this mailing list, see instructions at the end of message.
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>
>
>Below I attached LaTex file with some diagram.
>I need to adjust the length (make longer) of the
>arrow which slopes from node (1,3) (\Gamma the upper right corner)
>to (2,2) ( {\ds \tilde \Gamma_k} ).
>Of course when I put just  {\ds \tilde \Gamma} without the subscript k
>the diagram is satisfied but I need \Gamma with subscript k.
>
>Does anybody know how to achieve that?
>I think I could create the diagram not using psmatrix and psnode
>but It seems that using psmatrix and psnode should be the
>easiest.
>
>---
>\documentclass[12pt,leqno,dvips]{article}
>\usepackage{pstricks,pst-node}
>
>\newcommand{\ds}{\displaystyle}
>
>\begin{document}
>
>$$
>\begin{psmatrix}[colsep=2cm,rowsep=2cm]
>           &                     &  \Gamma \\
>  \tilde X & {\ds \tilde \Gamma_k} & \\
>X & {\ds \Gamma_k} &
>\psset{arrows=->,labelsep=3pt,nodesep=3pt}
>\ncarc[arcangle=-20]{1,3}{2,1}^{\tilde p_k}
>\ncline{1,3}{2,2}
>\ncput*{\varphi }
>\ncarc[arcangle=20]{1,3}{3,2}>{p_{\Gamma_k}}
>\ncline{2,2}{2,1}^{\tilde p_k}
>\ncline{2,1}{3,1}<{p_X}
>\ncline{2,2}{3,2}<{ \tilde \Gamma_k}
>\ncline{3,2}{3,1}^{p_k}
>\end{psmatrix}
>$$
>
>\end{document}
>---
>
>
>Jan
>
>
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