From 6d46318365ee9106aab59264fc6e8fa4882d9009 Mon Sep 17 00:00:00 2001
From: jvo203 <chris.zapart@nao.ac.jp>
Date: Tue, 29 Jan 2019 16:41:31 +0900
Subject: [PATCH] finally fixed sharing the zoom scale across #image_rectangle
 elements

---
 htdocs/fitswebql/fitswebql.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/htdocs/fitswebql/fitswebql.js b/htdocs/fitswebql/fitswebql.js
index 4b0f28e3..a21d3f9a 100644
--- a/htdocs/fitswebql/fitswebql.js
+++ b/htdocs/fitswebql/fitswebql.js
@@ -7470,7 +7470,7 @@ function setup_image_selection_index(index, topx, topy, img_width, img_height) {
 			}
 		});
 
-	zoom.scaleTo(rect, zoom_scale);
+	zoom.scaleTo(rect, zoom_scale);	
 }
 
 function setup_image_selection() {
@@ -8680,7 +8680,8 @@ function tiles_zoomed() {
 		refresh_tiles(i);
 
 		//keep zoom scale in sync across all images
-		d3.select("#image_rectangle" + i).__zoom = zoom_scale;
+		var elem = d3.select("#image_rectangle" + i);		
+		elem.node().__zoom.k = zoom_scale;		
 	}
 
 	var tmp = d3.select(this);