== How to read and display vector or expression data ==
-Aptx can be used to display vector or expression data associated with tree nodes.
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+Aptx can be used to display vector or expression data associated with tree nodes:
+
+ # Ensure the configuration file contains this line: "show_vector_data: display yes"
+
+ # Start Aptx and read in a tree ([http://forester.googlecode.com/files/apaf.xml example tree])
+
+ # Open "Tools" menu and select "read Vector/Expression Values"
+
+
+
+"show_vector_data: display no"
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