]> git.mxchange.org Git - flightgear.git/blobdiff - ShapeFile/main.cxx
Additional progress.
[flightgear.git] / ShapeFile / main.cxx
index 966b14f4ad111a3ad33269e0fcb16bf9d517bc79..3af9438c61d37db7a9783ca0faff7083b39fbbde 100644 (file)
 #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
@@ -44,68 +42,42 @@ extern "C" {
 #include <gpc.h>
 }
 
-#include <Bucket/newbucket.hxx>
-#include <Debug/logstream.hxx>
+#include <Include/compiler.h>
 
+#include STL_STRING
 
-class point2d {
-public:
-    double x, y;
-};
-
-
-static void clip_and_write_poly( FGBucket b, int n_vertices, double *coords ) {
-    point2d c, min, max;
-    c.x = b.get_center_lon();
-    c.y = b.get_center_lat();
-    double span = bucket_span(c.y);
-
-    // calculate bucket dimensions
-    if ( (c.y >= -89.0) && (c.y < 89.0) ) {
-       min.x = c.x - span / 2.0;
-       max.x = c.x + span / 2.0;
-       min.y = c.y - FG_HALF_BUCKET_SPAN;
-       max.y = c.y + FG_HALF_BUCKET_SPAN;
-    } else if ( c.y < -89.0) {
-       min.x = -90.0;
-       max.x = -89.0;
-       min.y = -180.0;
-       max.y = 180.0;
-    } else if ( c.y >= 89.0) {
-       min.x = 89.0;
-       max.x = 90.0;
-       min.y = -180.0;
-       max.y = 180.0;
-    } else {
-       FG_LOG ( FG_GENERAL, FG_ALERT, 
-                "Out of range latitude in clip_and_write_poly() = " << c.y );
-    }
+#include <Debug/logstream.hxx>
 
-    
-}
+#include "names.hxx"
+#include "shape.hxx"
 
 
 int main( int argc, char **argv ) {
-    point2d min, max;
+    gpc_polygon gpc_shape;
+    int i, j;
 
     fglog().setLogLevels( FG_ALL, FG_DEBUG );
 
-    if ( argc != 2 ) {
-       FG_LOG( FG_GENERAL, FG_ALERT, "Usage: " << argv[0] << " <shapefile>" );
+    if ( argc != 3 ) {
+       FG_LOG( FG_GENERAL, FG_ALERT, "Usage: " << argv[0] 
+               << " <shapefile> <workdir>" );
        exit(-1);
     }
 
     FG_LOG( FG_GENERAL, FG_DEBUG, "Opening " << argv[1] << " for reading." );
 
+    // initialize structure for building gpc polygons
+    shape_utils_init();
+
     GShapeFile * sf = new GShapeFile( argv[1] );
-    GDBFile *names = new GDBFile( argv[1] );
+    GDBFile *dbf = new GDBFile( argv[1] );
+    string path = argv[2];
 
     GPolygon shape;
     double  *coords; // in decimal degrees
     int        n_vertices;
-    double lon, lat;
 
-    FG_LOG( FG_GENERAL, FG_INFO, sf->numRecords() );
+    FG_LOG( FG_GENERAL, FG_INFO, "shape file records = " << sf->numRecords() );
 
     GShapeFile::ShapeType t = sf->shapeType();
     if ( t != GShapeFile::av_Polygon ) {
@@ -113,78 +85,178 @@ int main( int argc, char **argv ) {
        exit(-1);
     }
 
-    for ( int i = 0; i < sf->numRecords(); i++ ) {
+    for ( i = 16473; i < sf->numRecords(); i++ ) {
        //fetch i-th record (shape)
-       FG_LOG( FG_GENERAL, FG_DEBUG, names->getRecord( i ) );
-
        sf->getShapeRec(i, &shape); 
-
        FG_LOG( FG_GENERAL, FG_DEBUG, "Record = " << i << "  rings = " 
                << shape.numRings() );
 
-       for ( int j = 0; j < shape.numRings(); j++ ) {
-           //return j-th branch's coords, # of vertices
-           n_vertices = shape.getRing(j, coords);
-
-           FG_LOG( FG_GENERAL, FG_DEBUG, "  ring " << j << " = " );
-           FG_LOG( FG_GENERAL, FG_INFO, n_vertices );
-
-           // find min/max of this polygon
-           min.x = min.y = 200.0;
-           max.x = max.y = -200.0;
-           for ( int k = 0; k < n_vertices; k++ ) {
-               if ( coords[k*2+0] < min.x ) { min.x = coords[k*2+0]; }
-               if ( coords[k*2+1] < min.y ) { min.y = coords[k*2+1]; }
-               if ( coords[k*2+0] > max.x ) { max.x = coords[k*2+0]; }
-               if ( coords[k*2+1] > max.y ) { max.y = coords[k*2+1]; }
+       AreaType area = get_area_type(dbf, i);
+       FG_LOG( FG_GENERAL, FG_DEBUG, "area type = " << (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);
            }
-           FG_LOG( FG_GENERAL, FG_INFO, "min = " << min.x << "," << min.y
-                   << " max = " << max.x << "," << max.y );
-
-           // find buckets for min, and max points of convex hull.
-           // note to self: self, you should think about checking for
-           // polygons that span the date line
-           FGBucket b_min(min.x, min.y);
-           FGBucket b_max(max.x, max.y);
-           cout << "Bucket min = " << b_min << endl;
-           cout << "Bucket max = " << b_max << endl;
-           
-           if ( b_min == b_max ) {
-               clip_and_write_poly( b_min, n_vertices, coords );
-           } else {
-               FGBucket b_cur;
-               int dx, dy, i, j;
-
-               fgBucketDiff(b_min, b_max, &dx, &dy);
-               cout << "airport spans tile boundaries" << endl;
-               cout << "  dx = " << dx << "  dy = " << dy << endl;
-
-               if ( (dx > 1) || (dy > 1) ) {
-                   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);
-                       clip_and_write_poly( b_cur, n_vertices, coords );
-                   }
-               }
-               // string answer; cin >> answer;
+
+           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 ????
 
-           for ( int k = 0; k < n_vertices; k++ ) {
-               lon = coords[k*2+0];
-               lat = coords[k*2+1];
-               FG_LOG( FG_GENERAL, FG_INFO, lon << " " << lat );
+           // 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 1.3  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.
 //