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Author Topic: calculating seating height... Catalin Balaceanu Film Handler Posts: 36 From: Pascani, Iasi, Romania Registered: Mar 2006 posted 11-08-2008 02:41 PM                        Hi everybody. I've been looking all over the website for this, but I couldn't find a complete answer to this matter: OK, so I wanna change the seats in my auditorium. The old ones are from the 60's. So, it's about time. In the research process, I found out that the new seats, nowadays, are 10 - 20cm higher then the ones I have right now. Which make me fear that, once I install the new seats, they will mess up the visibility to the screen. Is there a formula that would help me calculate the height of each seats row, according to the parameters of my auditorium? Any help is much appreciated. Thanks Catalin  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 11-08-2008 05:22 PM                        Shouldn't matter unless you have mostly children. You "sit" well above the backs if you are an adult. No way to know without the floor slopes and screen heights mapped on a cross sectional blueprint. Louis  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 11-08-2008 07:10 PM                     draw it out on paper or in cad and trace the sightlines  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 11-08-2008 09:14 PM                     This is a case where CAD really is best. You can draw lines from every row. Adjust the height of the screen until everyone can at least see above everyone else's head. With CAD, you just grab the one point (At the bottom of the screen) and it will move all of the lines. Steve  |  IP: Logged Mike Blakesley Film God Posts: 12767 From: Forsyth, Montana Registered: Jun 99 posted 11-08-2008 11:19 PM                        If you buy seats from a dealer, they will calculate that for you. You will need the dimensions of your auditorium; the angle of the floor (you can just give them the amount of drop from the back to the front); and the distance from the floor to the bottom of the screen. NOTE: It might not hurt to get a second opinion on this. We had a reputable seating company do a sightline test for us in 2002, and wound up having to replace the seats in 2004 because they were WAY off in their calculations (among other things I won't get into).  |  IP: Logged

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