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RandyT:

--- Quote from: ErikRuud on February 06, 2006, 09:57:32 am ---The laser will stay on no matter where the gun is pointed during calibration mode.

If the laser does not blink during calibration, the gun cannot see all of the LEDS or a reflection is causing trouble.

--- End quote ---

Whoops!  I knew that.  That's what I get for posting when I just get out of bed....:)

But to my original point.  From my position at 6' away, it could see the screen, but not the LED groups.  Depending on the size of the frame around your TV (or more importantly, arcade machine) the extra space can cause you to have to stand even further away.  It looks like the bare minimum distance of 77'" is required with the  center of the LED bars spaced at 36.5".  This would indicate a roughly 52 degree field of view for the gun. 

Based on this, I calculated that on my cab, with a 27" monitor (29" tube with a 4:3 aspect ration) and the LED bars affixed right to the side of the tube, the gun tip would still need to be at least 51" away to properly calibrate.  Now supposing you fire, as most do, with outstretched arms, and that that would place my person at about 6' from the cabinet.  In my opinion, this is a long way to be standing away from a machine with only a 27" monitor.  If games in the arcades required this, people would be blocking the aisles.

So, what I am wondering is: How do these numbers compare to what everyone else is seeing?

If nothing else, what can be gained from this is the knowledge that you absolutely must place those bars as close to the edge of the monitor as humanly possible.  Any extra distance added by placing them on the outside of the cab will cost you dearly in terms of the distance you must stand away to use the gun.

RandyT
Fozzy The Bear:

--- Quote from: RandyT on February 06, 2006, 11:12:00 am ---So, what I am wondering is: How do these numbers compare to what everyone else is seeing?

--- End quote ---

Hi Randy,
                 I'm seeing about the same as far as distance goes. Which to be honest is not ideal.

I think it was Silver who said it was possible to mount the stands above and below the monitor instead, thus reducing the distance required. I havn't had chance to try that yet. But I'd guess it could help a lot in getting the stands closer together. Effectively on a ratio of 4:3 hence 3/4 of the current distance.

Best Regards,
Julian (Fozzy The Bear)
Silver:
Should do anyway - not tried it myself.

Also - would changing the angle of the stands so the LED's pointed "inwards" help at all. Should let you get close with all LED's visible, though may impact accuracy, or rather limit the area in which you can hold the gun.....
RandyT:

--- Quote from: Silver on February 06, 2006, 11:41:07 am ---Should do anyway - not tried it myself.

Also - would changing the angle of the stands so the LEDs pointed "inwards" help at all. Should let you get close with all LEDs visible, though may impact accuracy, or rather limit the area in which you can hold the gun.....

--- End quote ---

My opinion is that placing them in the other direction will further impact accuracy.  It seems that the further outside the pair you are, the greater the error.  This makes a certain amount of sense, as the reference becomes smaller.

And, angling the LEDs inward will not help the distance situation.  The gun is viewing the LED's, not vice-versa.  It is a good idea though.  The LEDs probably have a fairly narrow field of view, and angling them will probably make them appear brighter to the sensor in the gun.

I would really like to see a utility that painted an accurate picture of the view of the LEDs from the perspective of the sensor.  That would aid incredibly in the trouble shooting and setup of the device.

RandyT
ChodTheWacko:

--- Quote from: RandyT on February 06, 2006, 12:05:30 pm ---
--- Quote from: Silver on February 06, 2006, 11:41:07 am ---Also - would changing the angle of the stands so the LEDs pointed "inwards" help at all. Should let you get close with all LEDs visible, though may impact accuracy, or rather limit the area in which you can hold the gun.....

--- End quote ---

My opinion is that placing them in the other direction will further impact accuracy.  It seems that the further outside the pair you are, the greater the error.  This makes a certain amount of sense, as the reference becomes smaller.

And, angling the LEDs inward will not help the distance situation.  The gun is viewing the LED's, not vice-versa.  It is a good idea though. 

--- End quote ---

I had played with angling the leds when trying to get it work with my Front projector.  It had pretty minimal benefits, but then again I needed to shoot 'outside' of the led bars.  (the led bars were inside the screen).  I didn't need to do anything special on my 35"   tv or 14" lcd laptop)

I was also thinking, where is the LED camera?  Is it inside that little hole in the gun?  What happened if you drilled that hole a little bigger?  Wouldn't that give the camera a wider viewing angle?   

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