X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequenceFeature.java;fp=src%2Fjalview%2Fdatamodel%2FSequenceFeature.java;h=15f54b914faab23d438cf16e773d440837a6608c;hb=2595e9d4ee0dbbd3406a98c4e49a61ccde806479;hp=c75d6f24cfd98e77f16737e88064d840a0b0b9c3;hpb=e20075ba805d744d7cc4976e2b8d5e5840fb0a8d;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceFeature.java b/src/jalview/datamodel/SequenceFeature.java
index c75d6f2..15f54b9 100755
--- a/src/jalview/datamodel/SequenceFeature.java
+++ b/src/jalview/datamodel/SequenceFeature.java
@@ -208,7 +208,9 @@ public class SequenceFeature
     }
 
     SequenceFeature sf = (SequenceFeature) o;
-    if (begin != sf.begin || end != sf.end || score != sf.score)
+    boolean sameScore = Float.isNaN(score) ? Float.isNaN(sf.score)
+            : score == sf.score;
+    if (begin != sf.begin || end != sf.end || !sameScore)
     {
       return false;
     }
@@ -530,4 +532,20 @@ public class SequenceFeature
     return s.hashCode() + getBegin() + getEnd() + (int) getScore()
             + getStrand();
   }
+
+  /**
+   * Answers true if the feature's start/end values represent two related
+   * positions, rather than ends of a range. Such features may be visualised or
+   * reported differently to features on a range.
+   */
+  public boolean isContactFeature()
+  {
+    // TODO abstract one day to a FeatureType class
+    if ("disulfide bond".equalsIgnoreCase(type)
+            || "disulphide bond".equalsIgnoreCase(type))
+    {
+      return true;
+    }
+    return false;
+  }
 }