This lab definitely defined rubber-sheeting. I found it easier to work with the links by imagining the raster to be a rubber sheet. This way I didn't pull too much one way before balancing it out on the other side.
My RMS error factors were:
1st: 31.0763 (9 links)
2nd: 6.88 (9 links)
3rd: 0.00 (10 links)
Shown here is 2nd transformation. Less RMS isn't always better. The third transformation created a very skewed lower half of the image.
I enjoyed this lab very much but it also proved how measured ones hand and mind must be at times because a wrong click, or hasty click, can throw everything off.
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