+// demchop.cxx -- chop up a dem file into it's corresponding pieces and stuff
+// them into the workspace directory
+//
+// Written by Curtis Olson, started March 1999.
+//
+// Copyright (C) 1997 Curtis L. Olson - curt@flightgear.org
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+// (Log is kept at end of this file)
+
+
+#include <Include/compiler.h>
+
+#include STL_STRING
+
+#include <Debug/logstream.hxx>
+#include <Bucket/newbucket.hxx>
+#include <DEM/dem.hxx>
+
+FG_USING_STD(string);
+
+
+int main(int argc, char **argv) {
+ /*
+ fgDEM dem;
+ FGBucket p;
+ string fg_root;
+ string filename;
+ double error;
+ int i, j;
+ */
+
+ fglog().setLogLevels( FG_ALL, FG_DEBUG );
+
+ if ( argc != 4 ) {
+ FG_LOG( FG_GENERAL, FG_ALERT,
+ "Usage " << argv[0] << " <dem_file> <work_dir>" );
+ exit(-1);
+ }
+
+ string dem_name = argv[1];
+ string work_dir = argv[2];
+ string command = "mkdir -p " + work_dir;
+ system( command.c_str() );
+
+ fgDEM dem(dem_name);
+ dem.parse();
+ dem.close();
+
+ point2d min, max;
+ min.x = dem.get_originx() / 3600.0;
+ min.y = dem.get_originy() / 3600.0;
+ FGBucket b_min( min.x, min.y );
+
+ max.x = min.x + ( dem.get_cols() * dem.get_col_step() ) / 3600.0;
+ max.y = min.y + ( dem.get_rows() * dem.get_row_step() ) / 3600.0;
+ FGBucket b_max( max.x, max.y );
+
+ if ( b_min == b_max ) {
+ dem.write_area( b_min );
+ } else {
+ FGBucket b_cur;
+ int dx, dy, i, j;
+
+ fgBucketDiff(b_min, b_max, &dx, &dy);
+ cout << "DEM file spans tile boundaries" << endl;
+ cout << " dx = " << dx << " dy = " << dy << endl;
+
+ if ( (dx > 20) || (dy > 20) ) {
+ cout << "somethings really wrong!!!!" << endl;
+ exit(-1);
+ }
+
+ for ( j = 0; j <= dy; j++ ) {
+ for ( i = 0; i <= dx; i++ ) {
+ b_cur = fgBucketOffset(min.x, min.y, i, j);
+ if ( b_cur == b ) {
+ dem.write_area( b_cur );
+ } else {
+ dem.write_area( b_cur );
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+// $Log$
+// Revision 1.1 1999/03/10 01:02:54 curt
+// Initial revision.
+//