![](/media/cache/profiles/2012_sf_avc_095.jpg.50x50_q85.jpg)
Code for autonomous rover for Sparkfun AVC. DataBus won 3rd in 2012 and the same code was used on Troubled Child, a 1986 Jeep Grand Wagoneer to win 1st in 2014.
Dependencies: mbed Watchdog SDFileSystem DigoleSerialDisp
Estimation/GeoPosition/GeoPosition.h
- Committer:
- shimniok
- Date:
- 2013-05-27
- Revision:
- 0:a6a169de725f
File content as of revision 0:a6a169de725f:
#ifndef __GEOPOSITION_H #define __GEOPOSITION_H #ifndef _PI #define _PI 3.141592653 #endif #define degrees(x) ((x)*180/_PI) #define radians(x) ((x)*_PI/180) /** Geographical position and calculation. Most of this comes from http://www.movable-type.co.uk/scripts/latlong.html * */ class GeoPosition { public: /** Create a new emtpy position object * */ GeoPosition(); /** Create a new position with the specified latitude and longitude. See set() * * @param latitude is the latitude to set * @param longitude is the longitude to set */ GeoPosition(double latitude, double longitude); /** Get the position's latitude * * @returns the position's latitude */ double latitude(); /** Get the position's longitude * * @returns the position's longitude */ double longitude(); /** Set the position's location to another position's coordinates * * @param pos is another position from which coordinates will be copied */ void set(GeoPosition pos); /** Set the position's location to the specified coordinates * * @param latitude is the new latitude to set * @param longitude is the new longitude to set */ void set(double latitude, double longitude); /** Move the location of the position by the specified distance and in * the specified direction * * @param course is the direction of movement in degrees, absolute not relative * @param distance is the distance of movement along the specified course in meters */ void move(float course, float distance); /** Get the bearing from the specified origin position to this position. To get * relative bearing, subtract the result from your heading. * * @param from is the position from which to calculate bearing * @returns the bearing in degrees */ float bearing(GeoPosition from); float bearingFrom(GeoPosition from); float bearingTo(GeoPosition to); /** Get the distance from the specified origin position to this position * * @param from is the position from which to calculate distance * @returns the distance in meters */ float distance(GeoPosition from); float distanceTo(GeoPosition to); float distanceFrom(GeoPosition from); /** Set an arbitrary timestamp on the position * * @param timestamp is an integer timestamp, eg., seconds, milliseconds, or whatever */ void setTimestamp(int time); /** Return a previously set timestamp on the position * * @returns the timestamp (e.g., seconds, milliseconds, etc.) */ int getTimestamp(void); private: double _R; /** Earth's mean radius */ double _latitude; /** The position's latitude */ double _longitude; /** The position's longitude */ double _northing; /** The position's UTM northing coordinate */ double _easting; /** The position's UTM easting coordinate */ int _time; /** Timestamp */ }; #endif