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				| JohnsonChow |  | Member |  |  |  |  |  | Joined: 17 Jan 2023 |  | Posts: 6 |  | Location: Guangzhou |  |  
 
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			|  | It happens to me very often that I need to hide specific items for better view of demonstration purposes, just two examples. 1.	I could design two set of sound system for a venue, let’s say Plan A and Plan B. It is likely that I need to compare different speaker layouts of different plan and have a discussion with client. It will be very handy if I can group those speakers into two Selection Sets and toggle the visibility as I needed.
 2.	It is common to load several plane view pictures when drawing room in EASE, let’s say I may have a floor plan, a ceiling panel, a ceiling beam, all of them are top view but on different height. When I draw ceiling panels, I need to hide the ceiling beam and floor plan picture to get a better view.
 
 Both above examples cannot be done with current visibility toggle function, which hide or show the all the items in a whole category, not a specific item or item groups.
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