119 lines
3.1 KiB
C++
119 lines
3.1 KiB
C++
// main.cxx -- sample use of the clipper lib
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//
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// Written by Curtis Olson, started February 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 modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (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,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU 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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// (Log is kept at end of this file)
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#include <Debug/logstream.hxx>
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#include <Bucket/newbucket.hxx>
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#include "clipper.hxx"
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int main( int argc, char **argv ) {
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point2d global_min, global_max;
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fglog().setLogLevels( FG_ALL, FG_DEBUG );
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global_min.x = global_min.y = 200;
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global_max.y = global_max.x = -200;
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FGClipper clipper;
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clipper.init();
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if ( argc < 2 ) {
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FG_LOG( FG_CLIPPER, FG_ALERT, "Usage: " << argv[0]
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<< " file1 file2 ..." );
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exit(-1);
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}
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// process all specified polygon files
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for ( int i = 1; i < argc; i++ ) {
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string full_path = argv[i];
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// determine bucket for this polygon
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int pos = full_path.rfind("/");
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string file_name = full_path.substr(pos + 1);
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cout << "file name = " << file_name << endl;
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pos = file_name.find(".");
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string base_name = file_name.substr(0, pos);
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cout << "base_name = " << base_name << endl;
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long int index;
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sscanf( base_name.c_str(), "%ld", &index);
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FGBucket b(index);
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cout << "bucket = " << b << endl;
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// calculate bucket dimensions
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point2d c, min, max;
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c.x = b.get_center_lon();
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c.y = b.get_center_lat();
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double span = bucket_span(c.y);
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if ( (c.y >= -89.0) && (c.y < 89.0) ) {
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min.x = c.x - span / 2.0;
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max.x = c.x + span / 2.0;
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min.y = c.y - FG_HALF_BUCKET_SPAN;
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max.y = c.y + FG_HALF_BUCKET_SPAN;
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} else if ( c.y < -89.0) {
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min.x = -90.0;
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max.x = -89.0;
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min.y = -180.0;
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max.y = 180.0;
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} else if ( c.y >= 89.0) {
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min.x = 89.0;
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max.x = 90.0;
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min.y = -180.0;
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max.y = 180.0;
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} else {
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FG_LOG ( FG_GENERAL, FG_ALERT,
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"Out of range latitude in clip_and_write_poly() = "
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<< c.y );
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}
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if ( min.x < global_min.x ) global_min.x = min.x;
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if ( min.y < global_min.y ) global_min.y = min.y;
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if ( max.x > global_max.x ) global_max.x = max.x;
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if ( max.y > global_max.y ) global_max.y = max.y;
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// finally, load the polygon(s) from this file
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clipper.load_polys( full_path );
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}
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// do the clipping
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clipper.clip_all(global_min, global_max);
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FG_LOG( FG_CLIPPER, FG_INFO, "finished main" );
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return 0;
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}
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// $Log$
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// Revision 1.1 1999/03/13 23:51:36 curt
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// Renamed main.cxx to testclipper.cxx
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// Converted clipper routines to a class FGClipper.
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//
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// Revision 1.1 1999/03/01 15:39:39 curt
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// Initial revision.
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//
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