elevation_db in a scope

src/route_create_databases_from_pbf.cc

@@ -223,7 +223,9 @@ int main(int argc, char ** argv)
         unsigned int iter = 0;
         while(1)
         {
-            unsigned int modified=0;
+            unsigned int modified;
+
+            modified = 0;
             iter++;
             for(auto ways_it = ways.begin();
                     ways_it != ways.end();
@@ -263,9 +265,6 @@ int main(int argc, char ** argv)
     char zreq[RV_ZCHAR_LENGTH];
     char zfilename[RV_ZCHAR_LENGTH];
 
-    // elevation_db (read-only)
-    elevation elevation_db(argv[2]);
-
     // cleaning (without checking status, lmdb will check after and fail if this
     // is not goot)
 
@@ -288,14 +287,19 @@ int main(int argc, char ** argv)
 
     RV_BLANKLINE;
     fprintf(stderr,"Computing elevation on nodes\n");
-
-    for(auto nodes_it = nodes.begin();
-            nodes_it != nodes.end();
-            nodes_it++)
     {
-        nodes_it->second.elevation = elevation_db.get_elevation(
-                nodes_it->second.lon,
-                nodes_it->second.lat);
+        // elevation_db (read-only)
+        elevation elevation_db(argv[2]);
+
+
+        for(auto nodes_it = nodes.begin();
+                nodes_it != nodes.end();
+                nodes_it++)
+        {
+            nodes_it->second.elevation = elevation_db.get_elevation(
+                    nodes_it->second.lon,
+                    nodes_it->second.lat);
+        }
     }