Converted clipper routines to a class FGClipper.
bin_PROGRAMS = testclipper
-testclipper_SOURCES = main.cxx
+testclipper_SOURCES = testclipper.cxx
testclipper_LDADD = $(top_builddir)/Tools/Construct/Clipper/libClipper.a \
$(top_builddir)/Tools/Lib/Polygon/libPolygon.a \
-#include "clipper.hxx"
-
#include <Debug/logstream.hxx>
#include <Include/fg_constants.h>
#include <Misc/fgstream.hxx>
#include <Polygon/names.hxx>
+#include "clipper.hxx"
-#define EXTRA_SAFETY_CLIP
-#define FG_MAX_VERTICES 100000
+// Constructor
+FGClipper::FGClipper( void ) {
+}
-static gpc_vertex_list v_list;
-// static gpc_polygon poly;
-static FGPolyList polys_in, polys_out;
+
+// Destructor
+FGClipper::~FGClipper( void ) {
+}
// Initialize Clipper (allocate and/or connect structures)
-bool fgClipperInit() {
+bool FGClipper::init() {
v_list.num_vertices = 0;
v_list.vertex = new gpc_vertex[FG_MAX_VERTICES];;
// Load a polygon definition file
-bool fgClipperLoadPolygons(const string& path) {
+bool FGClipper::load_polys(const string& path) {
string poly_name;
AreaType poly_type;
int contours, count, i, j;
// Do actually clipping work
-bool fgClipperMaster(const point2d& min, const point2d& max) {
+bool FGClipper::clip_all(const point2d& min, const point2d& max) {
gpc_polygon accum, result_diff, result_union, tmp;
polylist_iterator current, last;
// $Log$
+// Revision 1.2 1999/03/13 23:51:33 curt
+// Renamed main.cxx to testclipper.cxx
+// Converted clipper routines to a class FGClipper.
+//
// Revision 1.1 1999/03/01 15:39:39 curt
// Initial revision.
//
typedef polylist::iterator polylist_iterator;
#define FG_MAX_AREAS 20
+#define EXTRA_SAFETY_CLIP
+#define FG_MAX_VERTICES 100000
class point2d {
public:
};
-// Initialize Clipper (allocate and/or connect structures)
-bool fgClipperInit();
+class FGClipper {
+private:
-// Load a polygon definition file
-bool fgClipperLoadPolygons(const string& path);
+ gpc_vertex_list v_list;
+ // static gpc_polygon poly;
+ FGPolyList polys_in, polys_out;
+public:
+
+ // Constructor
+ FGClipper( void );
-// Do actually clipping work
-bool fgClipperMaster(const point2d& min, const point2d& max);
+ // Destructor
+ ~FGClipper( void );
+
+ // Initialize Clipper (allocate and/or connect structures)
+ bool init();
+
+ // Load a polygon definition file
+ bool load_polys(const string& path);
+
+ // Do actually clipping work
+ bool clip_all(const point2d& min, const point2d& max);
+};
#endif // _CLIPPER_HXX
// $Log$
+// Revision 1.2 1999/03/13 23:51:34 curt
+// Renamed main.cxx to testclipper.cxx
+// Converted clipper routines to a class FGClipper.
+//
// Revision 1.1 1999/03/01 15:39:39 curt
// Initial revision.
//
+++ /dev/null
-// main.cxx -- sample use of the clipper lib
-//
-// 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 "clipper.hxx"
-
-#include <Debug/logstream.hxx>
-#include <Bucket/newbucket.hxx>
-
-
-int main( int argc, char **argv ) {
- point2d global_min, global_max;
-
- fglog().setLogLevels( FG_ALL, FG_DEBUG );
-
- global_min.x = global_min.y = 200;
- global_max.y = global_max.x = -200;
-
- fgClipperInit();
-
- if ( argc < 2 ) {
- FG_LOG( FG_CLIPPER, FG_ALERT, "Usage: " << argv[0]
- << " file1 file2 ..." );
- exit(-1);
- }
-
- // process all specified polygon files
- for ( int i = 1; i < argc; i++ ) {
- string full_path = argv[i];
-
- // determine bucket for this polygon
- int pos = full_path.rfind("/");
- string file_name = full_path.substr(pos + 1);
- cout << "file name = " << file_name << endl;
-
- pos = file_name.find(".");
- string base_name = file_name.substr(0, pos);
- cout << "base_name = " << base_name << endl;
-
- long int index;
- sscanf( base_name.c_str(), "%ld", &index);
- FGBucket b(index);
- cout << "bucket = " << b << endl;
-
- // calculate bucket dimensions
- point2d c, min, max;
-
- c.x = b.get_center_lon();
- c.y = b.get_center_lat();
- double span = bucket_span(c.y);
-
- 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 );
- }
-
- if ( min.x < global_min.x ) global_min.x = min.x;
- if ( min.y < global_min.y ) global_min.y = min.y;
- if ( max.x > global_max.x ) global_max.x = max.x;
- if ( max.y > global_max.y ) global_max.y = max.y;
-
- // finally, load the polygon(s) from this file
- fgClipperLoadPolygons( full_path );
- }
-
- // do the clipping
- fgClipperMaster(global_min, global_max);
-
- FG_LOG( FG_CLIPPER, FG_INFO, "finished main" );
-
- return 0;
-}
-
-// $Log$
-// Revision 1.1 1999/03/01 15:39:39 curt
-// Initial revision.
-//
--- /dev/null
+// main.cxx -- sample use of the clipper lib
+//
+// 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 <Debug/logstream.hxx>
+#include <Bucket/newbucket.hxx>
+
+#include "clipper.hxx"
+
+
+int main( int argc, char **argv ) {
+ point2d global_min, global_max;
+
+ fglog().setLogLevels( FG_ALL, FG_DEBUG );
+
+ global_min.x = global_min.y = 200;
+ global_max.y = global_max.x = -200;
+
+ FGClipper clipper;
+ clipper.init();
+
+ if ( argc < 2 ) {
+ FG_LOG( FG_CLIPPER, FG_ALERT, "Usage: " << argv[0]
+ << " file1 file2 ..." );
+ exit(-1);
+ }
+
+ // process all specified polygon files
+ for ( int i = 1; i < argc; i++ ) {
+ string full_path = argv[i];
+
+ // determine bucket for this polygon
+ int pos = full_path.rfind("/");
+ string file_name = full_path.substr(pos + 1);
+ cout << "file name = " << file_name << endl;
+
+ pos = file_name.find(".");
+ string base_name = file_name.substr(0, pos);
+ cout << "base_name = " << base_name << endl;
+
+ long int index;
+ sscanf( base_name.c_str(), "%ld", &index);
+ FGBucket b(index);
+ cout << "bucket = " << b << endl;
+
+ // calculate bucket dimensions
+ point2d c, min, max;
+
+ c.x = b.get_center_lon();
+ c.y = b.get_center_lat();
+ double span = bucket_span(c.y);
+
+ 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 );
+ }
+
+ if ( min.x < global_min.x ) global_min.x = min.x;
+ if ( min.y < global_min.y ) global_min.y = min.y;
+ if ( max.x > global_max.x ) global_max.x = max.x;
+ if ( max.y > global_max.y ) global_max.y = max.y;
+
+ // finally, load the polygon(s) from this file
+ clipper.load_polys( full_path );
+ }
+
+ // do the clipping
+ clipper.clip_all(global_min, global_max);
+
+ FG_LOG( FG_CLIPPER, FG_INFO, "finished main" );
+
+ return 0;
+}
+
+// $Log$
+// Revision 1.1 1999/03/13 23:51:36 curt
+// Renamed main.cxx to testclipper.cxx
+// Converted clipper routines to a class FGClipper.
+//
+// Revision 1.1 1999/03/01 15:39:39 curt
+// Initial revision.
+//
projects / flightgear.git / commitdiff