getBorder returns null when border should be empty

model/src/main/java/lcsb/mapviewer/model/map/species/Element.java

@@ -322,7 +322,7 @@ public abstract class Element implements BioEntity, Serializable, SbmlArgument {
    * @see x
    */
   public void setX(String string) {
-    this.x = Double.parseDouble(string);
+    setX(Double.parseDouble(string));
   }
 
   /**
@@ -483,7 +483,7 @@ public abstract class Element implements BioEntity, Serializable, SbmlArgument {
    * @return rectangle border
    */
   public Rectangle2D getBorder() {
-    if (x == null || y == null || width == null || height == null) {
+    if (x == null || y == null || width == null || height == null || width == 0.0 || height == 0.0) {
       return null;
     }
     return new Rectangle2D.Double(x, y, width, height);