Package org.ka2ddo.opentrac
Class OpenTracCourseSpeed
java.lang.Object
org.ka2ddo.opentrac.OpenTracElement
org.ka2ddo.opentrac.OpenTracCourseSpeed
- All Implemented Interfaces:
Serializable
This class represents an OpenTRAC data element with the course (degrees from True North)
and speed (in 1/50th of a meter per second) of the described entity.
- See Also:
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Field Summary
Fields inherited from class org.ka2ddo.opentrac.OpenTracElement
id
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Constructor Summary
ConstructorDescriptionCreate an uninitialized OpenTracCourseSpeed element.OpenTracCourseSpeed
(int type, byte[] body, int offset, int length) Create an OpenTRAC element with a short value from the next series of bytes in an encoded OpenTRAC message.OpenTracCourseSpeed
(int course, double speedKTS) -
Method Summary
Modifier and TypeMethodDescriptionint
computeBody
(byte[] buf, int offset) Append this element to a message bufferboolean
equalsElement
(OpenTracElement other) Test if this OpenTracElement has the same type and value as another OpenTracElement.int
Get the course or bearing in degrees from True North.double
Get the speed of motion of the entity.int
length()
Return the number of bytes needed to encode this element.Get the string representation of the value of this element.Methods inherited from class org.ka2ddo.opentrac.OpenTracElement
getId, toString
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Constructor Details
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OpenTracCourseSpeed
public OpenTracCourseSpeed()Create an uninitialized OpenTracCourseSpeed element. -
OpenTracCourseSpeed
public OpenTracCourseSpeed(int type, byte[] body, int offset, int length) Create an OpenTRAC element with a short value from the next series of bytes in an encoded OpenTRAC message.- Parameters:
type
- OpenTRAC element type codebody
- byte array containing the encoded OpenTRAC elementsoffset
- starting index in the array where this element beginslength
- remaining number of bytes in the OpenTRAC encoded message
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OpenTracCourseSpeed
public OpenTracCourseSpeed(int course, double speedKTS)
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Method Details
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valueString
Get the string representation of the value of this element.- Specified by:
valueString
in classOpenTracElement
- Returns:
- value string
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getCourse
public int getCourse()Get the course or bearing in degrees from True North.- Returns:
- bearing angle in integer degrees
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getSpeedKPH
public double getSpeedKPH()Get the speed of motion of the entity.- Returns:
- speed in kilometers per hour
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computeBody
public int computeBody(byte[] buf, int offset) Append this element to a message buffer- Specified by:
computeBody
in classOpenTracElement
- Parameters:
buf
- byte array to add the element tooffset
- starting index to store the element- Returns:
- index after the end of the stored element
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length
public int length()Return the number of bytes needed to encode this element.- Specified by:
length
in classOpenTracElement
- Returns:
- byte count needed to hold this element
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equalsElement
Test if this OpenTracElement has the same type and value as another OpenTracElement.- Specified by:
equalsElement
in classOpenTracElement
- Parameters:
other
- OpenTracElement to compare against this element- Returns:
- boolean true if elements are of the same type, class, and value
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