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Mars and Me

Spirit Sol 605

15 Sep 2010, 19:27 UTC
Spirit Sol 605
(200 words excerpt, click title or image to see full post)

The Erebus Highway drive worked splendidly, putting us right where it was supposed to. Now, back on the other side of the world, I get to help pull off another miracle: an 11m drive followed by a scuff. This is just like we did on Serpent way back on sol 72 or thenabouts, only starting from much farther away. This should be a good test of our abilities: have we learned enough since then to make something like this work? Chris is more confident than I am, but I sure hope he's right.We break down the responsibilities more or less like this. Chris is going to worry about getting us there, and Ashley and I will work out the obstacle-checker helper sequence and the scuff sequence itself. The obstacle checker is going to have an important responsibility thisol: keeping us from driving over a cliff. Really. The dune (ripple?) we want to scuff is right on the edge of a cliff, and if we go a meter or so past it, it's bye-bye, Spirit.The way the obstacle checkers work is this. We work out a list of known obstacles, and for each one, we define a circular hazard region around ...

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