.getAlignmentAnnotation();
AlignmentAnnotation rnaStruc = null;
// select rna struct to use for calculation
- for (int i = 0; i < aa.length; i++)
+ if (aa != null)
{
- if (aa[i].visible && aa[i].isRNA() && aa[i].isValidStruc())
+ for (int i = 0; i < aa.length; i++)
{
- rnaStruc = aa[i];
- break;
+ if (aa[i].visible && aa[i].isRNA() && aa[i].isValidStruc())
+ {
+ rnaStruc = aa[i];
+ break;
+ }
}
}
// check to see if its valid