Version 20.1, December 2020

[GpsPrune.git] / src / tim / prune / function / srtm / SrtmTile.java

diff --git a/src/tim/prune/function/srtm/SrtmTile.java b/src/tim/prune/function/srtm/SrtmTile.java
index 301bbaf2ccb7849f1378a6f910999c188965a12a..058132c9470b9721f82b058f822d4ab602f99020 100644 (file)
--- a/src/tim/prune/function/srtm/SrtmTile.java
+++ b/src/tim/prune/function/srtm/SrtmTile.java
@@ -36,14 +36,25 @@ public class SrtmTile
                _longitude = inLongitude;
        }
 
+       @Override
+       public int hashCode()
+       {
+               return _latitude * 1000 + _longitude;
+       }
+
        /**
         * Check for equality
         * @param inOther other tile object
         * @return true if both represent same tile
         */
-       public boolean equals(SrtmTile inOther)
+       @Override
+       public boolean equals(Object inOther)
        {
-               return (_latitude == inOther._latitude) && (_longitude == inOther._longitude);
+               if (inOther == null || inOther.getClass() != getClass()) {
+                       return false;
+               }
+               SrtmTile otherTile = (SrtmTile) inOther;
+               return (_latitude == otherTile._latitude) && (_longitude == otherTile._longitude);
        }
 
        /** @return latitude as int */