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Unread 10-01-2016, 08:28
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AWoL AWoL is offline
Lvl. 225 Dark Code Mage (Java Type)
AKA: Adam Wolnikowski
FRC #0225 (TechFire)
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Misleading Mistakes in the Field Tour

I realize that the field tour is not authoritative for zone definitions and rules, however the mistakes in it have caused a fair amount of confusion in our team discussions.

Midline
Field Tour:
Quote:
The midline bisects the neutral zone, and marks the middle of the field. It's where six boulders begin the match. . . . On each side of the midline is an auto line; it's 12 inches from the midline, edge to edge.
Manual:
Quote:
MIDLINE: a line of 2 in. white gaffers tape that bisects the length of the FIELD.
So from what is said and written there does not appear to be much confusion, however in the field tour video at 0:16, the midline is highlighted as the area between the auto lines. Of course, this would not make sense with his next words that the auto lines are 12 inches from the midline, as they would instead be adjacent to it.

So let's assume that midline is in fact what the manual defines it to be, the 2 in. tape line. Now look at G13:
Quote:
During AUTO, ROBOTS may not enter the volume above the MIDLINE.
Of course, the boulders are 10 in. in diameter and the midline is only 2 in. wide; does that mean that robots could pick up a boulder from the midline in autonomous as long as they pick it up only touching the 4 in. of the boulder on their side of the midline? That seems extremely impractical for refs to judge from a distance.

Courtyard
Field Tour:
Quote:
Each alliance has a courtyard, bordered by their castle, secret passage, guard rails, and outer works platforms. It doesn't include the batter.
Manual:
Quote:
COURTYARD: an infinitely tall volume bordered by, but excluding, the CASTLE WALL, the
GUARDRAIL, the SECRET PASSAGE and the OUTER WORKS.
Now consider G17:
Quote:
ROBOT height, as measured when it’s resting normally on a flat floor, may not exceed 4 ft. 6 in.
during the MATCH, except during the final twenty (20) seconds of TELEOP where there is no height
limit when a ROBOT is fully contained by the opponent’s COURTYARD.
Obviously, the second part of the rule is there to allow scaling mechanisms, but if the field tour's definition of the courtyard would be used, G17 would actually do nothing to allow scaling. On this one, we of course just follow the manual and everything makes sense, however I just wanted to point out the inconsistencies between the field tour and the manual and the confusion they could cause.
__________________
2016 Competition Results (Co-captain, Driver, and Lead Programmer; Junior)
Springside-Chestnut Hill District Event - WINNER / #2 Seed, #1 Seed's First Pick / Gracious Professionalism Award
Westtown District Event - WINNER / #1 Seed / Industrial Design Award
MAR District Championship - WINNER / #1 Seed / Industrial Design Award / Dean's List Finalist Award (Me)
World Championship, Carson Subdivision - QUARTERFINALIST / #3 Seed, #2 Seed's First Pick
Indiana Robotics Invitational - FINALIST / #14 Seed, #2 Seed's Second Pick
 


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