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Update DirectionUtils.java

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praktimarc
2024-05-02 23:42:23 +02:00
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parent a51cb1afe6
commit eac02aecc9
1 changed files with 60 additions and 0 deletions
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src/main/java/kst4contest/locatorUtils/DirectionUtils.java
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@@ -2,6 +2,66 @@ package kst4contest.locatorUtils;
public class DirectionUtils {
/**
* Checks wheter a sked-sender writes to a sked-receiver and is in my direction due he beams to this receiver
*
* @param myLocator
* @param locatorOfSkedSender
* @param locatorOfSekdReceiver
* @param maxRangeKm
* @param hisAntennaBeamWidth
* @return
*/
public static boolean isInAngleAndRange(String myLocator, String locatorOfSkedSender, String locatorOfSekdReceiver, double maxRangeKm, double hisAntennaBeamWidth) {
Location myLocation = new Location(myLocator);
Location skedSenderLocation = new Location(locatorOfSkedSender);
Location skedReceiverLocation = new Location(locatorOfSekdReceiver);
double distanceFromMeToLocSender = new Location(myLocator).getDistanceKm(new Location(locatorOfSkedSender));
// Check if distance exceeds my setted maximum range
if (distanceFromMeToLocSender > maxRangeKm) {
System.out.println("too far, " + distanceFromMeToLocSender + " km");
return false;
}
//check bearing of sender to receiver
double bearingOfSekdSenderToSkedReceiver = skedSenderLocation.getBearing(skedReceiverLocation);
// System.out.println("skedTX -> skedTX deg: " + bearingOfSekdSenderToSkedReceiver);
double bearingOfSekdSenderToMe = skedSenderLocation.getBearing(myLocation);
// System.out.println("skedTX -> me deg: " + bearingOfSekdSenderToMe);
/**
* simple mech works
*/
// if (bearingOfSekdSenderToMe >= bearingOfSekdSenderToSkedReceiver) {
// if (bearingOfSekdSenderToMe-bearingOfSekdSenderToSkedReceiver <= hisAntennaBeamWidth/2){
// System.out.println(bearingOfSekdSenderToMe-bearingOfSekdSenderToSkedReceiver + " <= " + hisAntennaBeamWidth);
// return true;
// }
// } else if ((bearingOfSekdSenderToMe <= bearingOfSekdSenderToSkedReceiver)) {
// if (bearingOfSekdSenderToSkedReceiver-bearingOfSekdSenderToMe <= hisAntennaBeamWidth/2){
// return true;
// }
// } else return false;
/**
* simple mech end
*/
if (DirectionUtils.isAngleInRange(bearingOfSekdSenderToSkedReceiver, bearingOfSekdSenderToMe, hisAntennaBeamWidth)) {
//I may should get "/2" because of 50% of the 3dB opening angle if txer is directed to sender exactly
// System.out.println("------------> isinangleandrange!");
return true;
} else {
// System.out.println("not in angle and reach");
return false;
}
}
/**
* Tests, if the angle (from me to) other station is in the range of the
* angle (qtf) in degrees where my antenna points to.