Start updating length (int -> float).

src/main/org/insa/graph/Arc.java

@@ -31,7 +31,7 @@ public interface Arc {
     /**
      * @return Length of this arc, in meters.
      */
-    public int getLength();
+    public float getLength();
 
     /**
      * @return Minimum time required to travel this arc, in seconds.

src/main/org/insa/graph/ArcBackward.java

@@ -37,7 +37,7 @@ class ArcBackward implements Arc {
     }
 
     @Override
-    public int getLength() {
+    public float getLength() {
         return this.originalArc.getLength();
     }
 

src/main/org/insa/graph/ArcForward.java

@@ -15,7 +15,7 @@ class ArcForward implements Arc {
     private final Node origin, destination;
 
     // Length of the road (in meters).
-    private final int length;
+    private final float length;
 
     // Road information.
     private final RoadInformation info;
@@ -32,7 +32,7 @@ class ArcForward implements Arc {
      * @param roadInformation Road information for this arc.
      * @param points Points representing this arc.
      */
-    protected ArcForward(Node origin, Node dest, int length, RoadInformation roadInformation,
+    protected ArcForward(Node origin, Node dest, float length, RoadInformation roadInformation,
             ArrayList<Point> points) {
         this.origin = origin;
         this.destination = dest;
@@ -53,7 +53,7 @@ class ArcForward implements Arc {
 
     @Override
 
-    public int getLength() {
+    public float getLength() {
         return length;
     }
 

src/main/org/insa/graph/GraphStatistics.java

@@ -14,7 +14,7 @@ public class GraphStatistics {
     private final int maximumSpeed;
 
     // Maximum length of any arc on this graph.
-    private final int maximumLength;
+    private final float maximumLength;
 
     /**
      * Create a new GraphStatistics instance with the given value.
@@ -23,7 +23,7 @@ public class GraphStatistics {
      * be used to indicate that this graph has no maximum limitation.
      * @param maximumLength Maximum length of any arc of the graph.
      */
-    public GraphStatistics(int maximumSpeed, int maximumLength) {
+    public GraphStatistics(int maximumSpeed, float maximumLength) {
         this.maximumLength = maximumLength;
         this.maximumSpeed = maximumSpeed;
     }
@@ -39,7 +39,7 @@ public class GraphStatistics {
     /**
      * @return Maximum length of any arc in the graph.
      */
-    public int getMaximumLength() {
+    public float getMaximumLength() {
         return this.maximumLength;
     }
 

src/main/org/insa/graph/Node.java

@@ -31,7 +31,7 @@ public class Node implements Comparable<Node> {
      * 
      * @return The newly created forward arc (origin to destination).
      */
-    public static Arc linkNodes(Node origin, Node destination, int length,
+    public static Arc linkNodes(Node origin, Node destination, float length,
             RoadInformation roadInformation, ArrayList<Point> points) {
         ArcForward arc = new ArcForward(origin, destination, length, roadInformation, points);
         origin.addSuccessor(arc);

src/main/org/insa/graph/io/BinaryGraphReader.java

@@ -212,7 +212,7 @@ public class BinaryGraphReader extends BinaryReader implements GraphReader {
         checkByteOrThrow(254);
 
         // Read successors and convert to arcs.
-        int maxLength = 0;
+        float maxLength = 0;
         final int copyNbTotalSuccesors = nbTotalSuccessors; // Stupid Java...
         observers.forEach((observer) -> observer.notifyStartReadingArcs(copyNbTotalSuccesors));
         for (int node = 0; node < nbNodes; ++node) {
@@ -225,7 +225,13 @@ public class BinaryGraphReader extends BinaryReader implements GraphReader {
                 int descrNum = this.read24bits();
 
                 // Length of the arc.
-                int length = dis.readUnsignedShort();
+                float length;
+                if (getCurrentVersion() < 8) {
+                    length = dis.readUnsignedShort();
+                }
+                else {
+                    length = dis.readInt() / 1000.0f;
+                }
                 maxLength = Math.max(length, maxLength);
 
                 // Number of segments.

src/main/org/insa/graphics/PathsPanel.java

@@ -126,9 +126,9 @@ public class PathsPanel extends JPanel implements DrawingChangeListener, GraphCh
             String info = "";
 
             // Display length
-            int length = path.getLength();
+            float length = path.getLength();
             if (length < 2000) {
-                info += String.format("Length = %d meters", length);
+                info += String.format("Length = %.1f meters", length);
             }
             else {
                 info += String.format("Length = %.3f kilometers", length / 1000.);