id of point comments fixed

rest-api/src/main/java/lcsb/mapviewer/api/comment/CommentRestImpl.java

@@ -126,7 +126,8 @@ public class CommentRestImpl {
 			String column = string.toLowerCase();
 			Object value = null;
 			if (column.equals("id") || column.equals("idobject")) {
-				value = comment.getId();
+
+				value = getId(comment);
 			} else if (column.equals("modelid")) {
 				value = comment.getModelData().getId();
 			} else if (column.equals("title")) {
@@ -159,6 +160,14 @@ public class CommentRestImpl {
 		return result;
 	}
 
+	private Object getId(Comment comment) {
+		if (comment.getTableName() == null) {
+			return comment.getCoordinates().toString();
+		} else {
+			return comment.getTableId();
+		}
+	}
+
 	private Object getType(Comment comment) {
 		if (comment.getTableName() != null) {
 			if (comment.getTableName().getName().contains("Reaction")) {