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Import to intelij, started updating to use maps v2

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This commit is contained in:
Ricky Barrette
2014-08-30 11:29:50 -04:00
parent 3ca7f800a6
commit 91970d0b97
18 changed files with 197 additions and 494 deletions
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182
LocationLib/src/com/TwentyCodes/android/location/GeoUtils.java
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@@ -20,14 +20,9 @@
*/
package com.TwentyCodes.android.location;
import com.google.android.gms.maps.model.LatLng;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;
import android.graphics.Point;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapView;
/**
* This class contains common tools for computing common geological problems
@@ -70,18 +65,14 @@ public class GeoUtils {
* degrees East of true north
*
* @param p1
* source geopoint
* source LatLng
* @param p2
* destination geopoint
* destination LatLng
* @return the bearing of p2 in relationship from p1 in degrees East
* @author Google Inc.
*/
public static Double bearing(final GeoPoint p1, final GeoPoint p2) {
final double lat1 = p1.getLatitudeE6() / MILLION;
final double lon1 = p1.getLongitudeE6() / MILLION;
final double lat2 = p2.getLatitudeE6() / MILLION;
final double lon2 = p2.getLongitudeE6() / MILLION;
return bearing(lat1, lon1, lat2, lon2);
public static Double bearing(final LatLng p1, final LatLng p2) {
return bearing(p1.latitude, p1.longitude, p2.latitude, p2.longitude);
}
/**
@@ -99,7 +90,7 @@ public class GeoUtils {
* @return Degrees East of dest location
* @author ricky barrette
*/
public static float calculateBearing(final GeoPoint user, final GeoPoint dest, float bearing) {
public static float calculateBearing(final LatLng user, final LatLng dest, float bearing) {
if (user == null || dest == null)
return bearing;
@@ -115,24 +106,24 @@ public class GeoUtils {
}
/**
* Calculates a geopoint x meters away of the geopoint supplied. The new
* geopoint shares the same latitude as geopoint point, this way they are on
* Calculates a LatLng x meters away of the LatLng supplied. The new
* LatLng shares the same latitude as LatLng point, this way they are on
* the same latitude arc.
*
* @param point
* central geopoint
* central LatLng
* @param distance
* in meters from the geopoint
* @return geopoint that is x meters away from the geopoint supplied
* in meters from the LatLng
* @return LatLng that is x meters away from the LatLng supplied
* @author ricky barrette
*/
public static GeoPoint distanceFrom(final GeoPoint point, double distance) {
public static LatLng distanceFrom(final LatLng point, double distance) {
// convert meters into kilometers
distance = distance / 1000;
// convert lat and lon of geopoint to radians
final double lat1Rad = Math.toRadians(point.getLatitudeE6() / 1e6);
final double lon1Rad = Math.toRadians(point.getLongitudeE6() / 1e6);
// convert lat and lon of LatLng to radians
final double lat1Rad = Math.toRadians(point.latitude);
final double lon1Rad = Math.toRadians(point.longitude);
/*
* kilometers =
@@ -148,7 +139,7 @@ public class GeoUtils {
* NOTE: sec(x) = 1/cos(x)
*
* NOTE: that lat2Rad is = lat1Rad because we want to keep the new
* geopoint on the same lat arc therefore i saw no need to create a new
* LatLng on the same lat arc therefore i saw no need to create a new
* variable for lat2Rad, and simply inputed lat1Rad in place of lat2Rad
* in the equation
*
@@ -158,8 +149,8 @@ public class GeoUtils {
*/
final double lon2Rad = lon1Rad + Math.acos(Math.cos(distance / 6371) * (1 / Math.cos(lat1Rad)) * (1 / Math.cos(lat1Rad)) - Math.tan(lat1Rad) * Math.tan(lat1Rad));
// return a geopoint that is x meters away from the geopoint supplied
return new GeoPoint(point.getLatitudeE6(), (int) (Math.toDegrees(lon2Rad) * 1e6));
// return a LatLng that is x meters away from the LatLng supplied
return new LatLng(point.latitude, (int) (Math.toDegrees(lon2Rad) * 1e6));
}
/**
@@ -193,16 +184,12 @@ public class GeoUtils {
* @return the distance between to p1 and p2
* @author Google Inc.
*/
public static double distanceKm(final GeoPoint p1, final GeoPoint p2) {
public static double distanceKm(final LatLng p1, final LatLng p2) {
// if we are handed a null, return -1 so we don't break
if (p1 == null || p2 == null)
return -1;
final double lat1 = p1.getLatitudeE6() / MILLION;
final double lon1 = p1.getLongitudeE6() / MILLION;
final double lat2 = p2.getLatitudeE6() / MILLION;
final double lon2 = p2.getLongitudeE6() / MILLION;
return distanceKm(lat1, lon1, lat2, lon2);
return distanceKm(p1.latitude, p1.longitude, p2.latitude, p2.longitude);
}
/**
@@ -253,71 +240,80 @@ public class GeoUtils {
* @return true if the circles intersect
* @author ricky barrette
*/
public static boolean isIntersecting(final GeoPoint userPoint, final float accuracyRadius, final GeoPoint locationPoint, final float locationRadius,
public static boolean isIntersecting(final LatLng userPoint, final float accuracyRadius, final LatLng locationPoint, final float locationRadius,
final float fudgeFactor) {
if (accuracyRadius + locationRadius - fudgeFactor > distanceKm(locationPoint, userPoint))
return true;
return false;
}
/**
* determines when the specified point is off the map
*
* @param point
* @return true is the point is off the map
* @author ricky barrette
*/
public static boolean isPointOffMap(final MapView map, final GeoPoint point) {
if (map == null)
return false;
if (point == null)
return false;
final GeoPoint center = map.getMapCenter();
final double distance = GeoUtils.distanceKm(center, point);
final double distanceLat = GeoUtils.distanceKm(center, new GeoPoint(center.getLatitudeE6() + map.getLatitudeSpan() / 2, center.getLongitudeE6()));
final double distanceLon = GeoUtils.distanceKm(center, new GeoPoint(center.getLatitudeE6(), center.getLongitudeE6() + map.getLongitudeSpan() / 2));
if (distance > distanceLat || distance > distanceLon)
return true;
return false;
}
/**
* computes a geopoint the is the central geopoint between p1 and p1
*
* @param p1
* first geopoint
* @param p2
* second geopoint
* @return a MidPoint object
* @author ricky barrette
*/
public static MidPoint midPoint(final GeoPoint p1, final GeoPoint p2) {
int minLatitude = (int) (+81 * 1E6);
int maxLatitude = (int) (-81 * 1E6);
int minLongitude = (int) (+181 * 1E6);
int maxLongitude = (int) (-181 * 1E6);
final List<Point> mPoints = new ArrayList<Point>();
int latitude = p1.getLatitudeE6();
int longitude = p1.getLongitudeE6();
if (latitude != 0 && longitude != 0) {
minLatitude = minLatitude > latitude ? latitude : minLatitude;
maxLatitude = maxLatitude < latitude ? latitude : maxLatitude;
minLongitude = minLongitude > longitude ? longitude : minLongitude;
maxLongitude = maxLongitude < longitude ? longitude : maxLongitude;
mPoints.add(new Point(latitude, longitude));
}
latitude = p2.getLatitudeE6();
longitude = p2.getLongitudeE6();
if (latitude != 0 && longitude != 0) {
minLatitude = minLatitude > latitude ? latitude : minLatitude;
maxLatitude = maxLatitude < latitude ? latitude : maxLatitude;
minLongitude = minLongitude > longitude ? longitude : minLongitude;
maxLongitude = maxLongitude < longitude ? longitude : maxLongitude;
mPoints.add(new Point(latitude, longitude));
}
return new MidPoint(new GeoPoint((maxLatitude + minLatitude) / 2, (maxLongitude + minLongitude) / 2), minLatitude, minLongitude, maxLatitude, maxLongitude);
}
// /**
// * determines when the specified point is off the map
// *
// * @param point
// * @return true is the point is off the map
// * @author ricky barrette
// */
// public static boolean isPointOffMap(final GoogleMap map, final LatLng point) {
//
// VisibleRegion vr = map.getProjection().getVisibleRegion();
// double left = vr.latLngBounds.southwest.longitude;
// double top = vr.latLngBounds.northeast.latitude;
// double right = vr.latLngBounds.northeast.longitude;
// double bottom = vr.latLngBounds.southwest.latitude;
//
// if (map == null)
// return false;
// if (point == null)
// return false;
// final LatLng center = map.getCameraPosition().target;
// final double distance = GeoUtils.distanceKm(center, point);
// final double distanceLat = GeoUtils.distanceKm(center, new LatLng(center.latitude + map.getLatitudeSpan() / 2, center.longitude));
// final double distanceLon = GeoUtils.distanceKm(center, new LatLng(center.latitude, center.longitude + map.getLongitudeSpan() / 2));
// if (distance > distanceLat || distance > distanceLon)
// return true;
// return false;
//
// return map.getProjection().toScreenLocation()
// }
//
// /**
// * computes a LatLng the is the central LatLng between p1 and p1
// *
// * @param p1
// * first LatLng
// * @param p2
// * second LatLng
// * @return a MidPoint object
// * @author ricky barrette
// */
// public static MidPoint midpoint(final LatLng p1, final LatLng p2) {
//// double minLatitude = +81 * 1E6;
//// double maxLatitude = -81 * 1E6;
//// double minLongitude = +181 * 1E6;
//// double maxLongitude = -181 * 1E6;
//// final List<Point> mPoints = new ArrayList<Point>();
//// if (p1.latitude != 0 && p1.longitude != 0) {
//// minLatitude = minLatitude > p1.latitude ? p1.latitude : minLatitude;
//// maxLatitude = maxLatitude < p1.latitude ? p1.latitude : maxLatitude;
//// minLongitude = minLongitude > p1.longitude ? p1.longitude : minLongitude;
//// maxLongitude = maxLongitude < p1.longitude ? p1.longitude : maxLongitude;
//// mPoints.add(new Point(p1.latitude, p1.longitude));
//// }
////
//// if (p2.latitude != 0 && p2.longitude != 0) {
//// minLatitude = minLatitude > p2.latitude ? p2.latitude : minLatitude;
//// maxLatitude = maxLatitude < p2.latitude ? p2.latitude : maxLatitude;
//// minLongitude = minLongitude > p2.longitude ? p2.longitude : minLongitude;
//// maxLongitude = maxLongitude < p2.longitude ? p2.longitude : maxLongitude;
//// mPoints.add(new Point(p2.latitude, p2.longitude));
//// }
//// return new MidPoint(new LatLng((maxLatitude + minLatitude) / 2, (maxLongitude + minLongitude) / 2), minLatitude, minLongitude, maxLatitude, maxLongitude);
// LatLngBounds.Builder latLngBounds = new LatLngBounds.Builder();
// latLngBounds.include(p1);
// latLngBounds.include(p2);
// return new MidPoint(latLngBounds.build().getCenter()
// }
/**
* converts radians to bearing