+ else if (cs instanceof PurinePyrimidineColourScheme)
+ {
+ index = PURINEPYRIMIDINE;
+ }
+ else if (cs instanceof TCoffeeColourScheme)
+ {
+ index = TCOFFEE;
+ }
+ else if (cs instanceof RNAHelicesColour)
+ {
+ index = RNAHELIX;
+ }
+ /*
+ * else if (cs instanceof CovariationColourScheme) { index = COVARIATION; }
+ */