Tom Pittenger 034cd2413e Plane: re-calc landing glide slope to gracefully handle baro offset during long flights
New param: LAND_SLOPE_RCALC
@Description: This parameter is used when using a rangefinder during landing for altitude correction from baro drift (RNGFND_LANDING=1) and the altitude correction indicates your altitude is lower than the intended slope path. This value is the threshold of the correction to re-calculate the landing approach slope. Set to zero to keep the original slope all the way down and any detected baro drift will be corrected by pitching/throttling up to snap back to resume the original slope path. Otherwise, when a rangefinder altitude correction exceeds this threshold it will trigger a slope re-calculate to give a shallower slope. This also smoothes out the approach when flying over objects such as trees. Recommend a value of 2m.

default value is 2 (so, enabled by default)
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#ArduPilot Project#

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The ArduPilot project is made up of:

ArduCopter (or APM:Copter) : code, wiki

ArduPlane (or APM:Plane) : code, wiki

ArduRover (or APMrover2) : code, wiki

Antenna Tracker : code, wiki

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Support Forum: http://discuss.ardupilot.org/

Community Site: http://ardupilot.org

Developer Information

Github repository: https://github.com/ArduPilot/ardupilot

Main developer wiki: http://dev.ardupilot.org

Developer email group: drones-discuss@googlegroups.com

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ArduPilot is part of Dronecode.org, a Linux Foundation collaborative project.

Dronecode encompasses projects that control flight, enable mission planning, and otherwise make drone flight and advanced functionality possible.

Dronecode development is done at the project level with coordinating and resource allocation performed by the TSC and the Board.

For information on the foundation please visit https://www.dronecode.org and https://github.com/Dronecode for further information or contact celder@dronecode.org

How To Get Involved

The ArduPilot project is open source and we encourage participation and code contributions: guidelines for contributors to the ardupilot codebase

We have an active group of Beta Testers especially for ArduCopter to help us find bugs: release procedures

Desired Enhancements and Bugs can be posted to the issues list.

Helping other users with log analysis on http://discuss.ardupilot.org/ is always appreciated:

There is a group of wiki editors as well in case documentation is your thing: ardu-wiki-editors@googlegroups.com

Developer discussions occur on drones-discuss@google-groups.com

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Ardupilot is comprised of several parts, vehicles and boards. The list below contains the people that regularly contribute to the project and are responsible for reviewing patches on their specific area. See CONTRIBUTING.md for more information.

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