* wrap/python/cgi/ltl2tgba.in: Use render_dot when

showing formula.
* wrap/python/cgi/README: Mention unique_id.

ChangeLog

-2004-02-08  Alexandre Duret-Lutz  <adl@gnu.org>
+2004-02-09  Alexandre Duret-Lutz  <adl@src.lip6.fr>
+
+	* wrap/python/cgi/ltl2tgba.in: Use render_dot when
+	showing formula.
+	* wrap/python/cgi/README: Mention unique_id.
+
+2004-02-08  Alexandre Duret-Lutz  <adl@src.lip6.fr>
 
 	This should help getting accurate statistics (on both the
 	formula automaton and the synchronized product) from LBTT.

wrap/python/cgi/README

@@ -41,3 +41,5 @@ You have to install the script yourself if you want to test it.
    each time it runs.
 
 4) `dot', from the GraphViz package, should be in the PATH.
+
+5) Apache should have its unique_id module loaded.

wrap/python/cgi/ltl2tgba.in

@@ -329,12 +329,7 @@ if show_formula_gif:
     outfile = spot.ofstream(imgprefix + '-f.dot')
     spot.dotty(outfile, f)
     del outfile
-    os.spawnlp(os.P_WAIT, 'dot', 'dot', '-Tgif', '-Gsize=14,14', '-o',
-               imgprefix + '-f.gif', imgprefix + '-f.dot')
-    os.spawnlp(os.P_WAIT, 'convert', 'convert',
-               imgprefix + '-f.gif', imgprefix + '-f.png')
-    print '<img src="' + imgprefix + '-f.png">'
-
+    render_dot(imgprefix + '-f')
 
 print '<H2>Automaton</H2>'