Color getColorForScore(int column);
+ /**
+ * return colour representing contacts from i through to j for this site
+ *
+ * @param from_column
+ * @param to_column
+ * @return
+ */
+ Color getColorForRange(int from_column, int to_column);
+
+ /**
+ * get a value representing contact at column for this site
+ *
+ * @param column
+ * @return
+ */
+ double getContactAt(int column);
+
}