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jflight.model
Class BaseWpt
java.lang.Objectjflight.model.BaseWpt
- public class BaseWpt
- extends java.lang.Object
Pure waypoint-definition, just the coordinates
| Field Summary | |
double |
dlat
latitude in degrees |
double |
dlon
longitude in degrees |
int |
height
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static java.text.DecimalFormat |
latiFormat
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static java.text.DecimalFormat |
longiFormat
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double |
rlat
coordinate in radians |
double |
rlon
coordinate in radians |
| Constructor Summary | |
BaseWpt()
Constructor BaseWpt Sets coordinate to zero. |
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BaseWpt(double lat,
double lon)
Constructor BaseWpt Sets coordinate to specified value. |
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BaseWpt(double lat,
double lon,
int height)
Constructor BaseWpt Sets coordinate and height to specified value. |
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| Method Summary | |
private double |
degreeAsDDMMmmm(double value)
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double |
dist(BaseWpt wpt)
Method dist Calculates the distance between two waypoints |
boolean |
equalsCrdNearly(java.lang.Object anObject)
test coordinates only |
double |
getDlat()
Getter for property dlat. |
double |
getDlon()
Getter for property dlon. |
int |
getHeight()
Getter for property height. |
double |
getLatAsDDMMmmm()
Method getLatAsDDMMmmm |
int[] |
getLatSeparatedToDDMMmmm()
Method getLatAsDDMMmmm |
double |
getLonAsDDMMmmm()
Method getLatAsDDMMmmm |
int[] |
getLonSeparatedToDDMMmmm()
Method getLatAsDDMMmmm |
double |
getRlat()
Getter for property rlat. |
double |
getRlon()
Getter for property rlon. |
static double |
mod(double d1,
double d2)
modulo function; for d2 > 0 |
BaseWpt |
poc(double dist,
double tc)
Method poc ("point on course") Calculates a waypoint on the course A point {lat,lon} is a distance d out on the tc radial from point 1 if: lat=asin(sin(lat1)*cos(d)+cos(lat1)*sin(d)*cos(tc)) IF (cos(lat)=0) lon=lon1 // endpoint a pole ELSE lon=mod(lon1-asin(sin(tc)*sin(d)/cos(lat))+pi,2*pi)-pi wrong? -> lon=mod(lon1+asin(sin(tc)*sin(d)/cos(lat))+pi,2*pi)-pi ENDIF This algorithm is limited to distances such that dlon |
void |
setDlat(double dlat)
Setter for property dlat. |
void |
setDlon(double dlon)
Setter for property dlon. |
void |
setHeight(int height)
Setter for property height. |
void |
setRlat(double rlat)
Setter for property rlat. |
void |
setRlon(double rlon)
Setter for property rlon. |
double |
tc(BaseWpt wpt)
Method tc Course between points: We obtain the initial course, tc1, (at point 1) from point 1 to point 2 by the following. |
java.lang.String |
toString()
Method toString |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
dlat
public double dlat
- latitude in degrees
dlon
public double dlon
- longitude in degrees
rlat
public double rlat
- coordinate in radians
rlon
public double rlon
- coordinate in radians
height
public int height
longiFormat
public static java.text.DecimalFormat longiFormat
latiFormat
public static java.text.DecimalFormat latiFormat
| Constructor Detail |
BaseWpt
public BaseWpt()
- Constructor BaseWpt
Sets coordinate to zero.
BaseWpt
public BaseWpt(double lat,
double lon)
- Constructor BaseWpt
Sets coordinate to specified value.
BaseWpt
public BaseWpt(double lat,
double lon,
int height)
- Constructor BaseWpt
Sets coordinate and height to specified value.
| Method Detail |
toString
public java.lang.String toString()
- Method toString
dist
public double dist(BaseWpt wpt)
- Method dist
Calculates the distance between two waypoints
tc
public double tc(BaseWpt wpt)
- Method tc
Course between points: We obtain the initial course, tc1, (at point 1) from point 1 to point 2 by the following.
For starting points other than the poles:
IF sin(lon2-lon1)<0
tc1= acos((sin(lat2)-sin(lat1)*cos(d))/(sin(d)*cos(lat1)))
ELSE
tc1=2*pi-acos((sin(lat2)-sin(lat1)*cos(d))/(sin(d)*cos(lat1)))
ENDIF
Def.: wpt1 = "from wpt", wpt2 = "to wpt"
Could be more accurate !!!
mod
public static double mod(double d1,
double d2)
- modulo function; for d2 > 0
poc
public BaseWpt poc(double dist, double tc)
- Method poc ("point on course")
Calculates a waypoint on the course
A point {lat,lon} is a distance d out on the tc radial from point 1 if:
lat=asin(sin(lat1)*cos(d)+cos(lat1)*sin(d)*cos(tc))
IF (cos(lat)=0)
lon=lon1 // endpoint a pole
ELSE
lon=mod(lon1-asin(sin(tc)*sin(d)/cos(lat))+pi,2*pi)-pi
wrong? -> lon=mod(lon1+asin(sin(tc)*sin(d)/cos(lat))+pi,2*pi)-pi
ENDIF
This algorithm is limited to distances such that dlon
equalsCrdNearly
public boolean equalsCrdNearly(java.lang.Object anObject)
- test coordinates only
getLatAsDDMMmmm
public double getLatAsDDMMmmm()
- Method getLatAsDDMMmmm
getLonAsDDMMmmm
public double getLonAsDDMMmmm()
- Method getLatAsDDMMmmm
getLatSeparatedToDDMMmmm
public int[] getLatSeparatedToDDMMmmm()
- Method getLatAsDDMMmmm
getLonSeparatedToDDMMmmm
public int[] getLonSeparatedToDDMMmmm()
- Method getLatAsDDMMmmm
degreeAsDDMMmmm
private double degreeAsDDMMmmm(double value)
getDlat
public double getDlat()
- Getter for property dlat.
setDlat
public void setDlat(double dlat)
- Setter for property dlat.
getDlon
public double getDlon()
- Getter for property dlon.
setDlon
public void setDlon(double dlon)
- Setter for property dlon.
getRlat
public double getRlat()
- Getter for property rlat.
setRlat
public void setRlat(double rlat)
- Setter for property rlat.
getRlon
public double getRlon()
- Getter for property rlon.
setRlon
public void setRlon(double rlon)
- Setter for property rlon.
getHeight
public int getHeight()
- Getter for property height.
setHeight
public void setHeight(int height)
- Setter for property height.
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| Home >> All >> jflight >> [ model overview ] | PREV CLASS NEXT CLASS | ||||||||
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SUMMARY: JAVADOC | SOURCE | DOWNLOAD | NESTED | FIELD | CONSTR | METHOD |
DETAIL: FIELD | CONSTR | METHOD | ||||||||