1 // fixlist.cxx -- fix list management class
3 // Written by Curtis Olson, started April 2000.
5 // Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
30 #include <simgear/debug/logstream.hxx>
31 #include <simgear/misc/sgstream.hxx>
32 #include <simgear/misc/sg_path.hxx>
33 #include <simgear/math/sg_geodesy.hxx>
34 #include <simgear/structure/exception.hxx>
36 #include "fixlist.hxx"
37 #include <Navaids/fix.hxx>
38 #include <Navaids/NavDataCache.hxx>
40 FGFix::FGFix(PositionedID aGuid, const std::string& aIdent, const SGGeod& aPos) :
41 FGPositioned(aGuid, FIX, aIdent, aPos)
49 const unsigned int LINES_IN_FIX_DAT = 119724;
51 void loadFixes(const SGPath& path)
53 sg_gzifstream in( path.str() );
54 if ( !in.is_open() ) {
55 throw sg_io_exception("Cannot open file:", path);
58 // toss the first two lines of the file
62 NavDataCache* cache = NavDataCache::instance();
63 unsigned int lineNumber = 2;
65 // read in each remaining line of the file
66 while ( ! in.eof() ) {
69 in >> lat >> lon >> ident;
72 cache->insertFix(ident, SGGeod::fromDeg(lon, lat));
76 if ((lineNumber % 100) == 0) {
78 unsigned int percent = (lineNumber * 100) / LINES_IN_FIX_DAT;
79 cache->setRebuildPhaseProgress(NavDataCache::REBUILD_FIXES, percent);
85 } // of namespace flightgear;