&gt; From: bill lam &lt;[email protected]&gt;<br><br>&gt; You may try create 
a form with a isigraph and then pass the isigraph to<br>&gt; viewmat. see the 
isigraph demo.<br><br>Thanks, that helped. Here is what I ended up 
doing:<div><br></div><div><div>NB. hack to "reuse" viewmat window</div><div>NB. 
2015-01-07 16:54:43 created by nsg</div><div><br></div><div>viewmat_z_=:3 : 
0</div><div>'' viewmat y</div><div>:</div><div>&nbsp; for_l. conl 1 
do.</div><div>&nbsp; &nbsp; if. 0=nc__l &lt;'COCREATOR' do.</div><div>&nbsp; 
&nbsp; &nbsp; if. COCREATOR__l-:&lt;'jviewmat' do.</div><div>&nbsp; &nbsp; 
&nbsp; &nbsp; NB. !!! FOUND jviewmat form</div><div><br></div><div>&nbsp; 
&nbsp; &nbsp; &nbsp; wd 'psel ',HWNDP__l</div><div>&nbsp; &nbsp; &nbsp; &nbsp; 
x viewmatcc__l y;GID__l</div><div>&nbsp; &nbsp; &nbsp; &nbsp; glpaint__l 
''</div><div><br></div><div>&nbsp; &nbsp; &nbsp; &nbsp; 
return.</div><div>&nbsp; &nbsp; &nbsp; end.</div><div>&nbsp; &nbsp; 
end.</div><div>&nbsp; end.</div><div>&nbsp; x vi
 ewmat_jviewmat_ y</div><div>)</div><div><br></div><div><br></div><div><a 
href="http://www.jsoftware.com/jwiki/AndrewNikitin/viewmat"; 
target="_blank">http://www.jsoftware.com/jwiki/AndrewNikitin/viewmat</a></div><div><br></div></div>
                                         
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