My comments are based on the district model FAQ page on the FIT website.
http://firstintexas.org/events/district-model/faq/
FAQ responses are not the official rules, but it is all I can find at this time.
(FIT website)** IN ORDER TO QUALIFY FOR THE DISTRICT STATE CHAMPIONSHIP, DO TEAMS HAVE TO CROSS A CERTAIN THRESHOLD OF POINTS OR DOES THE EVENT TAKE THE TOP X NUMBER OF TEAMS?**
- This is controlled by the number of teams in Texas.
- The District State Championship will have 64 spots (subject to change). These spots will be filled by:
[LIST]
- 10 District Event Chairman’s Award winners
- Top 54 ranked teams yet to be invited
- If a team declines an invitation to the District State Championship, the highest ranked uninvited team on the list is invited
[/LIST]
So, if I am reading this correctly EI and RAS only give you extra points (first two events only), but do not qualify a team for State Championship.
(FIT website) WHAT QUALIFIES A TEAM FOR THE WORLD CHAMPIONSHIP? DOES A DISTRICT-ONLY TEAM HAVE TO ATTEND THE DISTRICT STATE CHAMPIONSHIP TO GO TO THE WORLD CHAMPIONSHIP?
- Yes, Texas teams must attend the District State Championship unless they are pre-qualified.
- Teams advance to the World Championship by meeting one of the following criteria:
[LIST]
- District Championship
Chairman’s Award, Engineering Inspiration Award, and Rookie All-Star Award Winners
- District Championship
Winning Alliance (including backups)
- Teams on the final District points Ranking list, as deep as needed to fill our allotment
[/LIST]
As for TX teams going to a regional event, CA, EI, and RAS are no longer awarded to a district team. This is from the FIRST website. https://www.firstinspires.org/robotics/frc/blog/district-teams-attending-regionals
For 2017, in an attempt to make this less unfair, while still retaining some of the advantages of this cross-model team travel, we will be making a change to the rules. District teams traveling to Regionals will no longer be eligible for the Chairman’s, Engineering Inspiration, or Rookie All Star awards at those events.
This is also confirmed in the 2018 game manual.
10.12.3.6 Regional Participation
District Teams do not earn points for their actions at any Regionals they may attend, nor are eligible for
FIRST Championship qualifying judged awards at those events. However, if a District Team does earn a
slot at the FIRST Championship while attending a Regional event, that slot does count as part of the total
Championship allocation the District is receiving for the season.
So, If a TX team wins a regional or gets a wild card, one less team from the State Championship will qualify for Houston.