Update README.md

ivalab · May 30, 2018 · 208d3f0 · 208d3f0
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@@ -60,6 +60,10 @@ it loads corresponding affordance .dae files with dark table and highlight the a
 the files will be saved to `/dataset`
 
 ### Remove shadow effect
-When saving affordance images, the light source causes shadow and affects the color. The light source is not loadable in code (at lease in older version of Gazebo). One quick and effective solution is to add multiple light sources in Gazebo with GUI. Click on the parallel light source and select a location to place, and click on the icon again to turn it on. Also for tall object such as large mug, it is useful to also put several all-directional light source in front of the object.  
+When saving affordance images, the light source causes shadow and affects the color. The light source is not loadable in code (at lease in older version of Gazebo). One quick and effective solution is to add multiple light sources in Gazebo with GUI. 
+
+<img src="https://github.gatech.edu/fchu9/simData_imgSaver/blob/master/imgs/lightSource.png" height="30">
+
+Click on the parallel light source and select a location to place, and click on the icon again to turn it on. Also for tall object such as large mug, it is useful to also put several all-directional light source in front of the object.