Speaker Positioning


I know from speaker position is critical in achieving the best results from a given system. Is there a dynamic way to measure placement of each speaker to make certain they are the exact same distances from back/side wall, cabinets, seating, etc. beyond a measuring tape and listening to the results? Seems to me if minor differences pay large returns, you could be tinkering with this a long time.  Thanks for the indulgence.  
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I have a pair of speakers, this is the directions for speaker placement of the tweeter AFTER the toe is set. Take a laser pointer. Make sure it has a flat base. Take the flat base and put it on the face of the tweeter screen face (it's a ribbon). Set the tweeter at 6" or so over the head at the seated position, and tighten the adj screws..FST Free Swinging Tweeter.

Great idea, WORST place on the planet to mount it.. I'm fixing it.. :-)

The placement of every driver in every direction is EVERYTHING.

Man oh man is that hard...

Regards
Check out what the experts say on speaker positioning to save you a lot of time to get the initial position before making the more precise movements. Check out the following sites: Cardas, jim smith, ps audio and others. There are formulas to use based upon wall width and ceiling height for example. I use the 1/3 formula (sometimes the 1/5 rule) where you divide up the length of the room into 1/3rd and you place your speakers 1/3 the room length from the back wall, then use Cardas formula for the distanc from the side wall and jim smith’s rule on placing the listening chair from the speakers. Then you start fine tuning. 
If you go to the Cardas site it will show you the Golden rule how to set up speakers that will work in any room. If you use the formula it will give you the exact spot from the back wall and the side walls where to put the speaker and I've used it and boy to my speaker sound great now.