153 lines
3.5 KiB
C++
153 lines
3.5 KiB
C++
// master.cxx -- top level construction routines
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//
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// Written by Curtis Olson, started May 1999.
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//
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// Copyright (C) 1999 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#include <stdlib.h> // for system()
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#include <sys/stat.h> // for stat()
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#include <unistd.h> // for stat()
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#include <string>
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#include <Bucket/newbucket.hxx>
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// #include <Include/fg_constants.h>
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// #include <Math/mat3.h>
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// #include <Debug/logstream.hxx>
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// #include <Array/array.hxx>
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// #include <Clipper/clipper.hxx>
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// #include <GenOutput/genobj.hxx>
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// #include <Match/match.hxx>
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// #include <Triangulate/triangle.hxx>
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// return true if file exists
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static bool file_exists( const string& file ) {
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struct stat buf;
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if ( stat( file.c_str(), &buf ) == 0 ) {
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return true;
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} else {
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return false;
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}
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}
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// check if the specified tile has data defined for it
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static bool has_data( const string& path, const FGBucket& b ) {
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string dem_file = path + ".dem" + "/Scenery/" + b.gen_base_path()
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+ "/" + b.gen_index_str() + ".dem";
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if ( file_exists( dem_file ) ) {
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return true;
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}
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dem_file += ".gz";
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if ( file_exists( dem_file ) ) {
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return true;
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}
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return false;
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}
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// build the tile and check for success
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bool build_tile( const string& work_base, const string& output_base,
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const FGBucket& b ) {
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string result_file = "result";
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string command = "./construct " + work_base + " " + output_base + " "
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+ b.gen_index_str() + " > " + result_file + " 2>&1";
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cout << command << endl;
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system( command.c_str() );
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FILE *fp = fopen( result_file.c_str(), "r" );
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char line[256];
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while ( fgets( line, 256, fp ) != NULL ) {
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string line_str = line;
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line_str = line_str.substr(0, line_str.length() - 1);
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cout << line_str << endl;
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if ( line_str == "[Finished successfully]" ) {
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fclose(fp);
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return true;
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}
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}
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fclose(fp);
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return false;
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}
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// display usage and exit
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void usage( const string name ) {
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cout << "Usage: " << name << " <work_base> <output_base>" << endl;
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exit(-1);
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}
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main(int argc, char **argv) {
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double lon, lat;
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if ( argc < 3 ) {
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usage( argv[0] );
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}
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string work_base = argv[1];
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string output_base = argv[2];
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FGBucket tmp1( 0.0, 0.0 );
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double dy = tmp1.get_height();
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lat = 44.25 + dy * 0.5;
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bool start_lon = true;
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lon = -85.75 + (1.0/16.0);
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while ( lat <= 90.0 ) {
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FGBucket tmp2( 0.0, lat );
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double dx = tmp2.get_width();
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if ( ! start_lon ) {
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lon = -180 + dx * 0.5;
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} else {
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start_lon = false;
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}
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while ( lon <= 180.0 ) {
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FGBucket b( lon, lat );
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cout << "Bucket = " << b << endl;
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if ( has_data( work_base, b ) ) {
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if ( ! build_tile( work_base, output_base, b ) ) {
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cout << "error building last tile" << endl;
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exit(-1);
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}
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}
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lon += dx;
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}
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lat += dy;
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}
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}
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