X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FFeatureRenderer.java;h=404c49725c5724ef70ddb46af04b6d5b25098505;hb=d71391d37943d1f6a5bf0af74996229f4d290cb0;hp=868f196e7248bc5fe738a2347e546fd939eaa3bf;hpb=760646090b2a9c46e3e9a972f18f827452e48826;p=jalview.git

diff --git a/src/jalview/api/FeatureRenderer.java b/src/jalview/api/FeatureRenderer.java
index 868f196..404c497 100644
--- a/src/jalview/api/FeatureRenderer.java
+++ b/src/jalview/api/FeatureRenderer.java
@@ -265,4 +265,19 @@ public interface FeatureRenderer
    * @return
    */
   Color getColour(SequenceFeature feature);
+
+  /**
+   * Answers true if feature would be shown, else false. A feature is shown if
+   * <ul>
+   * <li>its feature type is set to visible</li>
+   * <li>its feature group is either null, or set to visible</li>
+   * <li>it is not excluded by a colour threshold on score or other numeric
+   * attribute</li>
+   * <li>it is not excluded by a filter condition</li>
+   * </ul>
+   * 
+   * @param feature
+   * @return
+   */
+  boolean isVisible(SequenceFeature feature);
 }