X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fschemes%2FAnnotationColourGradient.java;h=75a07b98eb9e424455c412d1ad38d1d35afb7673;hb=16d109024847af92482237e43f99b82fd997451a;hp=2790626cecf4ca88ab6aad15e63dba532213d603;hpb=7bcf1bc9aa417c4b256687d86d4e37a9f8a3aa11;p=jalview.git

diff --git a/src/jalview/schemes/AnnotationColourGradient.java b/src/jalview/schemes/AnnotationColourGradient.java
index 2790626..75a07b9 100755
--- a/src/jalview/schemes/AnnotationColourGradient.java
+++ b/src/jalview/schemes/AnnotationColourGradient.java
@@ -320,9 +320,9 @@ public class AnnotationColourGradient extends FollowerColourScheme
     if (annotationThreshold != null)
     {
       if ((aboveAnnotationThreshold == ABOVE_THRESHOLD
-              && aj.value < annotationThreshold.value)
+              && aj.value <= annotationThreshold.value)
               || (aboveAnnotationThreshold == BELOW_THRESHOLD
-                      && aj.value > annotationThreshold.value))
+                      && aj.value >= annotationThreshold.value))
       {
         return Color.white;
       }
@@ -415,14 +415,17 @@ public class AnnotationColourGradient extends FollowerColourScheme
             && aboveAnnotationThreshold == ABOVE_THRESHOLD
             && value >= ann.threshold.value)
     {
-      range = (value - ann.threshold.value)
+      range = ann.graphMax == ann.threshold.value ? 1f
+              : (value - ann.threshold.value)
               / (ann.graphMax - ann.threshold.value);
     }
     else if (thresholdIsMinMax && ann.threshold != null
             && aboveAnnotationThreshold == BELOW_THRESHOLD
             && value <= ann.threshold.value)
     {
-      range = (value - ann.graphMin) / (ann.threshold.value - ann.graphMin);
+      range = ann.graphMin == ann.threshold.value ? 0f
+              : (value - ann.graphMin)
+                      / (ann.threshold.value - ann.graphMin);
     }
     else
     {
@@ -476,7 +479,7 @@ public class AnnotationColourGradient extends FollowerColourScheme
   @Override
   public String getSchemeName()
   {
-    return "Annotation";
+    return ANNOTATION_COLOUR;
   }
 
   @Override