288 lines
8.4 KiB
C++
288 lines
8.4 KiB
C++
// main.cxx -- process shapefiles and extract polygon outlines,
|
|
// clipping against and sorting them into the revelant
|
|
// tiles.
|
|
//
|
|
// Written by Curtis Olson, started February 1999.
|
|
//
|
|
// Copyright (C) 1999 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 Geographic Foundation Classes library
|
|
|
|
// libgfc.a includes need this bit o' strangeness
|
|
#if defined ( linux )
|
|
# define _LINUX_
|
|
#endif
|
|
#include <gfc/gadt_polygon.h>
|
|
#include <gfc/gdbf.h>
|
|
#include <gfc/gshapefile.h>
|
|
#undef E
|
|
#undef DEG_TO_RAD
|
|
#undef RAD_TO_DEG
|
|
|
|
// include Generic Polygon Clipping Library
|
|
extern "C" {
|
|
#include <gpc.h>
|
|
}
|
|
|
|
#include <Include/compiler.h>
|
|
|
|
#include STL_STRING
|
|
|
|
#include <Debug/logstream.hxx>
|
|
|
|
#include <Polygon/index.hxx>
|
|
#include <Polygon/names.hxx>
|
|
#include "shape.hxx"
|
|
|
|
|
|
int main( int argc, char **argv ) {
|
|
gpc_polygon gpc_shape;
|
|
int i, j;
|
|
|
|
fglog().setLogLevels( FG_ALL, FG_DEBUG );
|
|
|
|
if ( argc != 3 ) {
|
|
FG_LOG( FG_GENERAL, FG_ALERT, "Usage: " << argv[0]
|
|
<< " <shape_file> <work_dir>" );
|
|
exit(-1);
|
|
}
|
|
|
|
FG_LOG( FG_GENERAL, FG_DEBUG, "Opening " << argv[1] << " for reading." );
|
|
|
|
// make work directory
|
|
string work_dir = argv[2];
|
|
string command = "mkdir -p " + work_dir;
|
|
system( command.c_str() );
|
|
|
|
// initialize persistant polygon counter
|
|
string counter_file = work_dir + "/../work.counter";
|
|
poly_index_init( counter_file );
|
|
|
|
// initialize structure for building gpc polygons
|
|
shape_utils_init();
|
|
|
|
GShapeFile * sf = new GShapeFile( argv[1] );
|
|
GDBFile *dbf = new GDBFile( argv[1] );
|
|
string path = argv[2];
|
|
|
|
GPolygon shape;
|
|
double *coords; // in decimal degrees
|
|
int n_vertices;
|
|
|
|
FG_LOG( FG_GENERAL, FG_INFO, "shape file records = " << sf->numRecords() );
|
|
|
|
GShapeFile::ShapeType t = sf->shapeType();
|
|
if ( t != GShapeFile::av_Polygon ) {
|
|
FG_LOG( FG_GENERAL, FG_ALERT, "Can't handle non-polygon shape files" );
|
|
exit(-1);
|
|
}
|
|
|
|
for ( i = 0; i < sf->numRecords(); i++ ) {
|
|
//fetch i-th record (shape)
|
|
sf->getShapeRec(i, &shape);
|
|
FG_LOG( FG_GENERAL, FG_DEBUG, "Record = " << i << " rings = "
|
|
<< shape.numRings() );
|
|
|
|
AreaType area = get_shapefile_type(dbf, i);
|
|
FG_LOG( FG_GENERAL, FG_DEBUG, "area type = " << get_area_name(area)
|
|
<< " (" << (int)area << ")" );
|
|
|
|
FG_LOG( FG_GENERAL, FG_INFO, " record = " << i
|
|
<< " ring = " << 0 );
|
|
|
|
if ( area == MarshArea ) {
|
|
// interior of polygon is marsh, holes are water
|
|
|
|
// do main outline first
|
|
init_shape(&gpc_shape);
|
|
n_vertices = shape.getRing(0, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
|
|
// do lakes (individually) next
|
|
for ( j = 1; j < shape.numRings(); j++ ) {
|
|
FG_LOG( FG_GENERAL, FG_INFO, " record = " << i
|
|
<< " ring = " << j );
|
|
init_shape(&gpc_shape);
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
process_shape(path, LakeArea, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
}
|
|
} else if ( area == OceanArea ) {
|
|
// interior of polygon is ocean, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == LakeArea ) {
|
|
// interior of polygon is lake, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == DryLakeArea ) {
|
|
// interior of polygon is dry lake, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == IntLakeArea ) {
|
|
// interior of polygon is intermittent lake, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == ReservoirArea ) {
|
|
// interior of polygon is reservoir, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == IntReservoirArea ) {
|
|
// interior of polygon is intermittent reservoir, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == StreamArea ) {
|
|
// interior of polygon is stream, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == CanalArea ) {
|
|
// interior of polygon is canal, holes are islands
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == GlacierArea ) {
|
|
// interior of polygon is glacier, holes are dry land
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == VoidArea ) {
|
|
// interior is ????
|
|
|
|
// skip for now
|
|
FG_LOG( FG_GENERAL, FG_ALERT, "Void area ... SKIPPING!" );
|
|
|
|
if ( shape.numRings() > 1 ) {
|
|
FG_LOG( FG_GENERAL, FG_ALERT, " Void area with holes!" );
|
|
// exit(-1);
|
|
}
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
// process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else if ( area == NullArea ) {
|
|
// interior is ????
|
|
|
|
// skip for now
|
|
FG_LOG( FG_GENERAL, FG_ALERT, "Null area ... SKIPPING!" );
|
|
|
|
if ( shape.numRings() > 1 ) {
|
|
FG_LOG( FG_GENERAL, FG_ALERT, " Null area with holes!" );
|
|
// exit(-1);
|
|
}
|
|
|
|
init_shape(&gpc_shape);
|
|
for ( j = 0; j < shape.numRings(); j++ ) {
|
|
n_vertices = shape.getRing(j, coords);
|
|
add_to_shape(n_vertices, coords, &gpc_shape);
|
|
}
|
|
// process_shape(path, area, &gpc_shape);
|
|
free_shape(&gpc_shape);
|
|
} else {
|
|
FG_LOG( FG_GENERAL, FG_ALERT, "Uknown area!" );
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// $Log$
|
|
// Revision 1.7 1999/03/17 23:51:29 curt
|
|
// Changed polygon index counter file.
|
|
//
|
|
// Revision 1.6 1999/03/02 01:04:28 curt
|
|
// Don't crash when work directory doesn't exist ... create it.
|
|
//
|
|
// Revision 1.5 1999/03/01 15:36:28 curt
|
|
// Tweaked a function call name in "names.hxx".
|
|
//
|
|
// Revision 1.4 1999/02/25 21:31:05 curt
|
|
// First working version???
|
|
//
|
|
// Revision 1.3 1999/02/23 01:29:04 curt
|
|
// Additional progress.
|
|
//
|
|
// Revision 1.2 1999/02/19 19:05:18 curt
|
|
// Working on clipping shapes and distributing into buckets.
|
|
//
|
|
// Revision 1.1 1999/02/15 19:10:23 curt
|
|
// Initial revision.
|
|
//
|