H-015 measurements

[savagecreature]

We do actually have some things that are better than lego, at least for establishing some things. For some parts of the droid I have actual measurements.  
I arrived at the measurements I used something like this:  I would look to see a measurement I actually had real data on then I would go through the available photographs looking to see where that measurement was visible and as close to perpendicular to the angle of view of the camera as possible. Then I would bring the images into a 3D environment as a plane and use the good data to establish a scale. When I had the scale I would then measure all the other lines of the droid that were parallel to the one I had good data on.
I did that across multiple images, documenting all of the results for the lines I didn't have hard data on, then I took those values and averaged them, removing extreme outliers.  
Once I had those dimensions I put them back into a 3D environment and created geometry based on those dimensions, always propagating the hard data (the stuff I actually had measurements for).  When the geometry was assembled I projected the photos on to the geometry to establish if the proportions were within acceptable tolerances. If they weren't, I started over for that piece of geometry.

I can say that the line indicated in the image is, without a doubt, 13.13 inches on at least one of the Sentry droids. (I have images and data on more than one of them and they were noticeably different in some ways from one to the next)

The plans I released were an amalgam of all the data I had from multiple droids.

None of that is meant to imply I didn't make any errors. I'm quite sure I did. kresty had just asked about my methods so I figured I'd document them. Also, maybe knowing that measurement will help. I based a lot of stuff on that particular one as that edge is visible is so many images and being horizontal is more often less affected by foreshortening.