[Dprglist] QQRe: roborama rules questions

[markus]

Thanks for all the clarifications!
Markus


On Tue, 28 Mar 2017 15:16:43 -0500
"paradug" <paradug at gmail.com> wrote:
> Markus,
>      Answers to your questions.
> 
>       Q1:  Big Table Top 2 and Can-Can Soccer rules for the setup of the 
> fields have markings made
>               with "blue painter's tape". I'm wondering what properties that 
> has for IR. I have simple
>               drop off sensors (sharp gp2s40) and am wondering if my robot 
> thinks it reached the
>               end of the world when it comes across a strip of tape?
> 
>      A1:  The blue tape was chosen because of its availability and its low 
> impact on IR sensors.
>              In Big Table Top 2, the seam between the two parts of the table 
> is covered with blue
>              tape to prevent tripping sensors. The uncovered seam will trip 
> some sensors. The tape
>              used is "3M ScotchBlue  Original Multi-Use Painter's Tape" 
> available at Home Depot and
>              similar locations. I would suggest obtaining some and 
> determining how your sensors
>              respond to going over it. The table top is white, a piece of 
> poster board could be used
>              as a simulated table top.
> 
>             The starting box is marked with black electrical tape (3/4") and 
> it will definitely trip an IR
>              sensor. You must strategize how to leave and reenter the 
> starting zone.
> 
>             The blue tape used in the Can Can Soccer contest is only to help 
> aid placing robots
>             and similar activities. It isn't meant to be used as a 
> navigational aid.
> 
>       Q2:  Can it generally be assumed that cans are "free standing"? In 
> other words, if an obstacle
>               is wider than a single can, or smaller than a single can - it 
> can't be a can?
> 
>       A2:  The rules for Can Can Soccer say that the cans are randomly 
> placed. The judge places the
>               cans just before the competition. No practice runs are made on 
> the final can positions.
>               The judge will mark the course with small pieces of blue 
> painter's tape, so that cans will
>               be in the same location for all competitors.
> 
>               Now we get to past experiences versus what is stated in the 
> rules.
>               The judge generally will:
>                      1.  Place the cans so that they are divided equally on 
> the two halves of the field.
>                      2.  The cans are at least 2 inches apart.
>                      3.  The cans are set no closer than 6 inches from a 
> wall.
>               However, the judge is not required to do these things.
> 
>              You would be safe in saying that an obstacle smaller than a 
> single can isn't a can. I also
>              think you would be safe to say an obstacle larger than 2 cans 
> and a couple of inches isn't
>              a can. If an obstacle moves, it is definitely not a can.
> 
>       Q3:  In Can-Can Soccer there are supposed to be 6 cans on the field, 
> and the
>               game ends when one robot has placed 7 cans into the opponent's 
> goal ..... I highly doubt
>               my robot will have to look for the 7th can, I'm just curious. 
> Do you bring scored cans back
>               onto the field? If yes, are they placed in the same spots as 
> the original 6?
> 
>      A3:   If you look at the rules closely, you will see at the top that a 
> round is divided into two 5
>              minute halves. The cans are returned to the original locations 
> at the start of the 2nd half,
>              and robots exchange the ends of the field. You can reset your 
> robot at this time.
>              The idea is to equalize any unintentional advantage that one 
> end of the field might have.
>              Unintentional advantages could be can placement or lighting 
> variations. A round
>               actually consists of an opportunity to collect 12 cans. 
> Collecting 7 cans wins the round.
>              Can placement is the same for all rounds of a tournament level. 
> The can positions can be
>              changed between tournament levels by the judge. However, the 
> judge isn't required to
>              change them.
> 
>     Q4:  I pre-registered for both events but didn't get any confirmation 
> emails, just making sure
>             I didn't mess that up ;)
> 
>     A4:  You are registered. I will check with the person running the 
> competition about
>             confirmation emails.
> 
> 
> 
> -----Original Message----- 
> From: markus
> Sent: Tuesday, March 28, 2017 10:30 AM
> To: DPRG
> Subject: [Dprglist] roborama rules questions
> 
> I have some questions about the rules/setup of Big Table Top 2 and Can-Can 
> Soccer.
> 
> Both fields include markings with "blue painter's tape" - and I'm wondering 
> what properties that has for IR. I have simple dropoff sensors (sharp 
> gp2s40) and am wondering if my robot thinks it reached the end of the world 
> when it comes across a strip of tape?
> 
> Can it generally be assumed that cans are "free standing"? In other words, 
> if an obstacle is wider than a single can, or smaller than a single can - it 
> can't be a can?
> 
> And lastly - in Can-Can Soccer there are supposed to be 6 cans on the field, 
> and the game ends when one robot has placed 7 cans into the opponent's goal 
> ..... I highly doubt my robot will have to look for the 7th can, I'm just 
> curious. Do you bring scored cans back onto the field? If yes, are they 
> placed in the same spots as the original 6?
> 
> Thanks,
> Markus
> 
> PS: I pre-registered for both events but didn't get any confirmation emails, 
> just making sure I didn't mess that up ;)
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