added support for --start-idx so I can restart after a failed airport.

src/Airports/GenAirports850/airport.cxx

@@ -1021,9 +1021,6 @@ void Airport::BuildBtg(const string& root, const string_list& elev_src )
                                              0.0 );
     divided_base = calc_elevations( apt_surf, divided_base, 0.0 );
 
-    SG_LOG(SG_GENERAL, SG_DEBUG, "DIVIDED");
-    SG_LOG(SG_GENERAL, SG_DEBUG, divided_base);
-
     SG_LOG(SG_GENERAL, SG_DEBUG, "Done with base calc_elevations()");
 
 #if 0 // TODO : along with taxiway sign elevations
@@ -1041,7 +1038,7 @@ void Airport::BuildBtg(const string& root, const string_list& elev_src )
         ws_nodes.push_back( p );
     }
     point_list windsock_nodes = calc_elevations( apt_surf, ws_nodes, 0.0 );
-
+    SG_LOG(SG_GENERAL, SG_DEBUG, "Done");
 
     SG_LOG(SG_GENERAL, SG_DEBUG, "Computing beacon node elevations");
     point_list b_nodes;
@@ -1052,6 +1049,7 @@ void Airport::BuildBtg(const string& root, const string_list& elev_src )
         b_nodes.push_back( p );
     }
     point_list beacon_nodes = calc_elevations( apt_surf, b_nodes, 0.0 );
+    SG_LOG(SG_GENERAL, SG_DEBUG, "Done");
 
     // calc taxiway sign elevations:
     SG_LOG(SG_GENERAL, SG_DEBUG, "Computing taxiway sign node elevations");
@@ -1063,7 +1061,9 @@ void Airport::BuildBtg(const string& root, const string_list& elev_src )
         ts_nodes.push_back( p );
     }
     point_list taxisigns_nodes = calc_elevations( apt_surf, ts_nodes, 0.0 );
+    SG_LOG(SG_GENERAL, SG_DEBUG, "Done");
 
+    SG_LOG(SG_GENERAL, SG_DEBUG, "Computing water buoy elevations");
     // calc water runway buoys elevations:
     point_list water_buoys_nodes;
     if ( waterrunways.size() > 0){
@@ -1085,7 +1085,6 @@ void Airport::BuildBtg(const string& root, const string_list& elev_src )
         }
     }
 
-
     // add base skirt (to hide potential cracks)
     //
     // this has to happen after we've calculated the node elevations

src/Airports/GenAirports850/closedpoly.hxx

@@ -20,6 +20,10 @@ class ClosedPoly
 public:
     ClosedPoly( char* desc );
     ClosedPoly( int st, float s, float th, char* desc );
+	~ClosedPoly()
+	{
+		SG_LOG( SG_GENERAL, SG_DEBUG, "Deleting ClosedPoly " << description );
+	}
     
     inline string GetDescription() { return description; }
     void AddNode( BezNode* node );

src/Airports/GenAirports850/main.cxx

@@ -156,6 +156,7 @@ int main(int argc, char **argv)
     float min_lat = -90;
     float max_lat = 90;
     bool  view_osg = false;
+	long  position = 0;
 
     string_list elev_src;
     elev_src.clear();
@@ -335,11 +336,13 @@ int main(int argc, char **argv)
     }
     else if ( start_id != "" )
     {
+        SG_LOG(SG_GENERAL, SG_INFO, "move forward to " << start_id );
+
         // scroll forward in datafile
-        parser->AddAirport( start_id );
+        position = parser->FindAirport( start_id );
 
         // add remaining airports within boundary
-        parser->AddAirports( min_lat, min_lon, max_lat, max_lon );
+        parser->AddAirports( position, min_lat, min_lon, max_lat, max_lon );
 
         // parse all the airports that were found
         parser->Parse();
@@ -347,7 +350,7 @@ int main(int argc, char **argv)
     else
     {
         // find all airports within given boundary
-        parser->AddAirports( min_lat, min_lon, max_lat, max_lon );
+        parser->AddAirports( 0, min_lat, min_lon, max_lat, max_lon );
 
         // and parser them
         parser->Parse();

src/Airports/GenAirports850/parser.cxx

@@ -91,15 +91,55 @@ void Parser::AddAirport( string icao )
         // this is and airport definition - remember it
         if ( IsAirportDefinition( line, icao ) )
         {
-            SG_LOG( SG_GENERAL, SG_DEBUG, "Found airport " << line << " at " << cur_pos );
+            SG_LOG( SG_GENERAL, SG_DEBUG, "Found airport " << icao << " at " << cur_pos );
             parse_positions.push_back( cur_pos );
-            airport_icaos.push_back( icao );
+			airport_icaos.push_back( icao );
             found = true;
         }
     }    
 }
 
-void Parser::AddAirports( float min_lat, float min_lon, float max_lat, float max_lon )
+long Parser::FindAirport( string icao )
+{
+    char line[2048];
+    long cur_pos;
+    bool found = false;
+
+    ifstream in( filename.c_str() );
+    if ( !in.is_open() ) 
+    {
+        SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << filename );
+        exit(-1);
+    }
+
+    SG_LOG( SG_GENERAL, SG_DEBUG, "Finding airport " << icao );
+    while ( !in.eof() && !found ) 
+    {
+        // remember the position of this line
+        cur_pos = in.tellg();
+
+        // get a line
+    	in.getline(line, 2048);
+
+        // this is and airport definition - remember it
+        if ( IsAirportDefinition( line, icao ) )
+        {
+            SG_LOG( SG_GENERAL, SG_DEBUG, "Found airport " << line << " at " << cur_pos );
+            found = true;
+        }
+    }    
+
+	if (found)
+	{
+		return cur_pos;
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+void Parser::AddAirports( long start_pos, float min_lat, float min_lon, float max_lat, float max_lon )
 {
     Airport* airport = NULL;
     char 	 line[2048];
@@ -115,7 +155,6 @@ void Parser::AddAirports( float min_lat, float min_lon, float max_lat, float max
 	done  = false;
 	match = false;
 
-
 	// start from current position, and push all airports where a runway start or end 
 	// lies within the given min/max coordinates
 
@@ -126,6 +165,11 @@ void Parser::AddAirports( float min_lat, float min_lon, float max_lat, float max
         exit(-1);
     }
 
+	if (start_pos)
+	{
+        in.seekg(start_pos, ios::beg);
+	}
+
 	while (!done)
 	{
 	  	// remember the position of this line
@@ -274,6 +318,7 @@ void Parser::Parse()
     struct timeval build_time;
     struct timeval clean_time;
     struct timeval triangulation_time;
+	time_t curtime;   
 
     ifstream in( filename.c_str() );
     if ( !in.is_open() ) 
@@ -288,11 +333,12 @@ void Parser::Parse()
         SetState(STATE_NONE);
         in.clear();
 
+        gettimeofday(&parse_start, NULL);
+
         SG_LOG( SG_GENERAL, SG_ALERT, "\n*******************************************************************" );
-        SG_LOG( SG_GENERAL, SG_ALERT, "Parsing airport " << airport_icaos[i] << " at position " << parse_positions[i] );
+        SG_LOG( SG_GENERAL, SG_ALERT, "Parsing airport " << airport_icaos[i] << " at " << parse_positions[i] << " start time " << ctime(&parse_start.tv_sec) );
         in.seekg(parse_positions[i], ios::beg);
 
-        gettimeofday(&parse_start, NULL);
         while ( !in.eof() && (cur_state != STATE_DONE ) )
         {
         	in.getline(tmp, 2048);

src/Airports/GenAirports850/parser.hxx

@@ -84,9 +84,11 @@ public:
         prev_node       = NULL;
         cur_state       = STATE_NONE;
     }
-
+    
+//    int             Parse( char* icao );
+    long            FindAirport( string icao );
     void            AddAirport( string icao );
-    void            AddAirports( float min_lat, float min_lon, float max_lat, float max_lon );
+    void            AddAirports( long start_pos, float min_lat, float min_lon, float max_lat, float max_lon );
     void            Parse( void );
 
 //    osg::Group*     CreateOsgGroup( void );

src/Airports/GenAirports850/runway.cxx

@@ -115,6 +115,10 @@ TGPolygon WaterRunway::GetNodes()
     TGPolygon buoy_nodes;
     buoy_nodes.erase();
 
+    SG_LOG(SG_GENERAL, SG_DEBUG, "WaterRunway::GetNodes" );
+
+    if (buoys == 1){ /*no point to calculate stuff we don't need*/
+
     double heading, az2, length;
     // calculate runway heading and length
     geo_inverse_wgs_84( lat[0], lon[0], lat[1], lon[1], &heading, &az2, &length );
@@ -122,6 +126,7 @@ TGPolygon WaterRunway::GetNodes()
     // create a polygon for the 4 buoy points
     // TODO: The amount of points can be increased if needed (more buoys)
     buoy_nodes = gen_wgs84_area(Point3D( (lon[0] + lon[1]) / 2 , (lat[0] + lat[1]) / 2, 0), length, 0, 0, width, heading, 0, false);
+	}
     return buoy_nodes;
 }