change tool_xodrobj.

src/tool/tool_xodrobj/mainwindow.cpp

@@ -79,10 +79,17 @@ static int getmnfac(OpenDrive & mxodr,double & fmovex,double & fmovey)
     fxmax = std::numeric_limits<double>::max()*(-1.0);
     fymin = std::numeric_limits<double>::max() *(1.0);
     fymax = std::numeric_limits<double>::max()*(-1.0);
+    bool bHaveRealRoad = false;
     for(i=0;i<mxodr.GetRoadCount();i++)
     {
         int j;
+
         Road * pRoad = mxodr.GetRoad(i);
+        if(pRoad->GetRoadLength()<0.1)
+        {
+            continue;
+        }
+        bHaveRealRoad = true;
         for(j=0;j<mxodr.GetRoad(i)->GetGeometryBlockCount();j++)
         {
             GeometryBlock * pgeob = pRoad->GetGeometryBlock(j);
@@ -100,6 +107,19 @@ static int getmnfac(OpenDrive & mxodr,double & fmovex,double & fmovey)
             if(y<fymin)fymin = y;
 
         }
+
+        double x,y,hdg;
+        pRoad->GetGeometryCoords(pRoad->GetRoadLength()-0.1,x,y,hdg);
+        if(x>fxmax)fxmax = x;
+        if(x<fxmin)fxmin = x;
+        if(y>fymax)fymax = y;
+        if(y<fymin)fymin = y;
+    }
+
+    if(bHaveRealRoad == false)
+    {
+        std::cout<<"No Real Road."<<std::endl;
+        return 1.0;
     }
 
     fmovex = 0;