From 1eb21bc35902fe186a1496c75c99e5a787b0ad94 Mon Sep 17 00:00:00 2001
From: Whitney Armstrong <warmstrong@anl.gov>
Date: Thu, 20 May 2021 21:47:24 -0500
Subject: [PATCH] 	modified:   ../config/sidebar.yml 	modified:  
 part1/simple_detector.md

---
 src/config/sidebar.yml            | 8 ++++----
 src/docs/part1/simple_detector.md | 2 ++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/config/sidebar.yml b/src/config/sidebar.yml
index 6988f6c..49ad0c9 100644
--- a/src/config/sidebar.yml
+++ b/src/config/sidebar.yml
@@ -22,10 +22,10 @@
       link: '/part1/simple_detector'
     - label: 'Part 2: Adding Detectors'
       link: '/part2/adding_detectors'
-    - label: 'Part 3: Runing the Simulating'
-      link: '/part3/simulating_detectors'
-    - label: 'Part 4: Sensitive Detectors'
-      link: '/part4/sensitive_detector'
+        #    - label: 'Part 3: Runing the Simulating'
+        #      link: '/part3/simulating_detectors'
+        #    - label: 'Part 4: Sensitive Detectors'
+        #      link: '/part4/sensitive_detector'
 - label: References
   items:
     - label: 'DD4hep Reference Documentation'
diff --git a/src/docs/part1/simple_detector.md b/src/docs/part1/simple_detector.md
index d8ed2a8..79a82fa 100644
--- a/src/docs/part1/simple_detector.md
+++ b/src/docs/part1/simple_detector.md
@@ -40,6 +40,8 @@ dd_web_display --export gem_tracker.xml
 Copy the generated file `detector_geometry.root` to your local machine.
 Then open the [web viewer](https://eic.phy.anl.gov/geoviewer/), click on the `...` and open the local root file.
 
+![simple gem tracker](../gem_tracker_part1.png)
+
 Examine the compact description, specifically this part:
 
 ```xml
-- 
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