no more TGPolygon or TGTriNodes
This commit is contained in:
Peter Sadrozinski
parent
1e62b55664
commit
91b28879d4
10 changed files with 103 additions and 1716 deletions
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@ -284,10 +284,6 @@ int main(int argc, char **argv)
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std::string lastaptfile = work_dir+"/last_apt";
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// initialize persistant polygon counter
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std::string counter_file = airportareadir+"/poly_counter";
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tgPolygon::ChopIdxInit( counter_file );
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tg::Rectangle boundingBox(min, max);
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boundingBox.sanify();
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@ -125,8 +125,9 @@ private:
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// Clip Data
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bool ClipLandclassPolys( void );
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// Clip Helpers
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void move_slivers( TGPolygon& in, TGPolygon& out );
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// void move_slivers( TGPolygon& in, TGPolygon& out );
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void merge_slivers( TGLandclass& clipped, tgcontour_list& sliver_list );
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// Shared edge Matching
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@ -192,11 +193,11 @@ public:
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void ConstructBucketStage3();
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int load_landcover ();
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double measure_roughness( TGPolygon &poly );
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// double measure_roughness( TGPolygon &poly );
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AreaType get_landcover_type (const LandCover &cover, double xpos, double ypos, double dx, double dy);
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void make_area( const LandCover &cover, TGPolygon *polys,
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double x1, double y1, double x2, double y2,
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double half_dx, double half_dy );
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// void make_area( const LandCover &cover, TGPolygon *polys,
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// double x1, double y1, double x2, double y2,
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// double half_dx, double half_dy );
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// land cover file
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inline std::string get_cover () const { return cover; }
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@ -46,6 +46,7 @@ static const double quarter_cover_size = cover_size * 0.25;
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// make the area specified area, look up the land cover type, and add
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// it to polys
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#if 0
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void TGConstruct::make_area( const LandCover &cover, TGPolygon *polys,
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double x1, double y1, double x2, double y2,
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double half_dx, double half_dy )
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@ -75,9 +76,11 @@ void TGConstruct::make_area( const LandCover &cover, TGPolygon *polys,
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}
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}
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}
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#endif
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// Come up with a "rough" metric for the roughness of the terrain
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// coverted by a polygon
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#if 0
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double TGConstruct::measure_roughness( TGPolygon &poly ) {
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int i;
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unsigned int j;
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@ -116,6 +119,7 @@ double TGConstruct::measure_roughness( TGPolygon &poly ) {
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return diff / 50.0;
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}
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#endif
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AreaType TGConstruct::get_landcover_type (const LandCover &cover, double xpos, double ypos, double dx, double dy)
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{
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@ -16,7 +16,5 @@ add_library(Polygon STATIC
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tg_unique_vec2f.hxx
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tg_unique_vec3d.hxx
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tg_unique_vec3f.hxx
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trinodes.cxx
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trinodes.hxx
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point3d.hxx
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)
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)
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File diff suppressed because it is too large
Load diff
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@ -33,266 +33,12 @@
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#include <map>
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#include <string>
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#include <vector>
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#include <zlib.h>
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#include <simgear/compiler.h>
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#include <simgear/math/sg_types.hxx>
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#include <Polygon/point3d.hxx>
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// forward declaration
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class TGPolygon;
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#include "clipper.hpp"
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#define FG_MAX_VERTICES 1500000
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typedef std::vector < point_list > polytype;
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typedef polytype::iterator polytype_iterator;
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typedef polytype::const_iterator const_polytype_iterator;
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class TGPolygon {
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private:
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polytype poly; // polygons
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point_list inside_list; // point inside list
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int_list hole_list; // hole flag list
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public:
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// Constructor and destructor
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TGPolygon( void );
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~TGPolygon( void );
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// Add a contour
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inline void add_contour( const point_list contour, const int hole_flag )
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{
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poly.push_back( contour );
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inside_list.push_back( Point3D( 0.0 ) );
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hole_list.push_back( hole_flag );
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}
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// Get a contour
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inline point_list get_contour( const int i ) const
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{
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return poly[i];
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}
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// Delete a contour
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inline void delete_contour( const int i )
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{
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polytype_iterator start_poly = poly.begin();
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poly.erase( start_poly + i );
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point_list_iterator start_inside = inside_list.begin();
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inside_list.erase( start_inside + i );
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int_list_iterator start_hole = hole_list.begin();
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hole_list.erase( start_hole + i );
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}
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// Add the specified node (index) to the polygon
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inline void add_node( int contour, Point3D p )
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{
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if ( contour >= (int)poly.size() ) {
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// extend polygon
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point_list empty_contour;
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empty_contour.clear();
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for ( int i = 0; i < contour - (int)poly.size() + 1; ++i ) {
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poly.push_back( empty_contour );
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inside_list.push_back( Point3D(0.0) );
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hole_list.push_back( 0 );
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}
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}
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poly[contour].push_back( p );
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}
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// return size
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inline int contours() const
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{
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return poly.size();
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}
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inline int contour_size( int contour ) const
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{
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return poly[contour].size();
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}
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inline int total_size() const
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{
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int size = 0;
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for ( int i = 0; i < contours(); ++i )
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size += poly[i].size();
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return size;
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}
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// return the ith point from the specified contour
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inline Point3D get_pt( int contour, int i ) const
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{
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return poly[contour][i];
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}
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// update the value of a point
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inline void set_pt( int contour, int i, const Point3D& p )
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{
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poly[contour][i] = p;
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}
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void get_bounding_box( SGGeod& min, SGGeod& max ) const;
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// get and set an arbitrary point inside the specified polygon contour
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inline Point3D get_point_inside( const int contour ) const
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{
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return inside_list[contour];
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}
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inline void set_point_inside( int contour, const Point3D& p )
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{
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inside_list[contour] = p;
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}
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// get and set hole flag
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inline int get_hole_flag( const int contour ) const
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{
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return hole_list[contour];
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}
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inline void set_hole_flag( const int contour, const int flag )
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{
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hole_list[contour] = flag;
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}
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inline bool has_holes() const
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{
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for (int i = 0; i < contours(); i++)
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if (get_hole_flag(i))
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return true;
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return false;
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}
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// Set the elevations of points in the current polgyon based on
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// the elevations of points in source. For points that are not
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// found in source, propogate the value from the nearest matching
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// point.
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void inherit_elevations( const TGPolygon &source );
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// Set the elevations of all points to the specified values
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void set_elevations( double elev );
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// shift every point in the polygon by lon, lat
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void shift( double lon, double lat );
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// erase
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inline void erase()
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{
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poly.clear();
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}
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// informational
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// return the area of a contour (assumes simple polygons,
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// i.e. non-self intersecting.)
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//
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// negative areas indicate counter clockwise winding
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// positive areas indicate clockwise winding.
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double area_contour( const int contour ) const;
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// return the smallest interior angle of the contour
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double minangle_contour( const int contour );
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// return true if contour B is inside countour A
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bool is_inside( int a, int b ) const;
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// output
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void write( const std::string& file ) const;
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// output
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void write_contour( const int contour, const std::string& file ) const;
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void SaveToGzFile( gzFile& fp ) const;
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void LoadFromGzFile( gzFile& fp );
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// Friends for serialization
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friend std::istream& operator>> ( std::istream&, TGPolygon& );
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friend std::ostream& operator<< ( std::ostream&, const TGPolygon& );
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};
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typedef std::vector < TGPolygon > poly_list;
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typedef poly_list::iterator poly_list_iterator;
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typedef poly_list::const_iterator const_poly_list_iterator;
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// Calculate theta of angle (a, b, c)
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double tgPolygonCalcAngle(SGVec2d a, SGVec2d b, SGVec2d c);
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// canonify the polygon winding, outer contour must be anti-clockwise,
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// all inner contours must be clockwise.
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TGPolygon tgPolygonCanonify( const TGPolygon& in_poly );
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// Traverse a polygon and split edges until they are less than max_len
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// (specified in meters)
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TGPolygon tgPolygonSplitLongEdges( const TGPolygon &poly, double max_len );
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// Traverse a polygon and toss all the internal holes
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TGPolygon tgPolygonStripHoles( const TGPolygon &poly );
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// Wrapper for the fast Polygon Triangulation based on Seidel's
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// Algorithm by Atul Narkhede and Dinesh Manocha
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// http://www.cs.unc.edu/~dm/CODE/GEM/chapter.html
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TGPolygon tgPolygon2tristrip( const TGPolygon& poly );
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void tgPolygonFindSlivers( TGPolygon& in, poly_list& slivers );
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// Difference
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TGPolygon tgPolygonDiff( const TGPolygon& subject, const TGPolygon& clip );
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// Intersection
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TGPolygon tgPolygonInt( const TGPolygon& subject, const TGPolygon& clip );
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// Exclusive or
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TGPolygon tgPolygonXor( const TGPolygon& subject, const TGPolygon& clip );
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// Union
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TGPolygon tgPolygonUnion( const TGPolygon& subject, const TGPolygon& clip );
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TGPolygon tgPolygonUnion( const poly_list& clips );
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// wrapper for clipper clip routines
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void tgPolygonInitClipperAccumulator( void );
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void tgPolygonFreeClipperAccumulator( void );
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void tgPolygonDumpAccumulator( char* ds, char* layer, char*name );
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void tgPolygonAddToClipperAccumulator( const TGPolygon& subject, bool dump );
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TGPolygon tgPolygonDiffClipperWithAccumulator( const TGPolygon& subject );
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// Save clipper to shapefile
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void clipper_to_shapefile( ClipperLib::Polygons polys, char* datasource );
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// Difference
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TGPolygon tgPolygonDiffClipper( const TGPolygon& subject, const TGPolygon& clip );
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// Intersection
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TGPolygon tgPolygonIntClipper( const TGPolygon& subject, const TGPolygon& clip );
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// Union
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TGPolygon tgPolygonUnionClipper( const TGPolygon& subject, const TGPolygon& clip );
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// Expand / Shrink
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TGPolygon tgPolygonExpand(const TGPolygon &poly, double delta);
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// Simplify
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TGPolygon tgPolygonSimplify(const TGPolygon &poly);
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void tgPolygonDumpClipper(const TGPolygon &poly);
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// Output
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std::ostream &operator<<(std::ostream &output, const TGPolygon &poly);
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// WORK IN PROGRESS BEGIN ******************************************************
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// Looking ato TGPolygon and TGSuperPoly, I think it would be best if we could
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@ -316,7 +62,6 @@ std::ostream &operator<<(std::ostream &output, const TGPolygon &poly);
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#include <simgear/bucket/newbucket.hxx>
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#include <simgear/threads/SGThread.hxx>
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#include <Polygon/trinodes.hxx>
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#include <Polygon/rectangle.hxx>
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#include "tg_unique_geod.hxx"
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@ -329,6 +74,12 @@ SGGeod OffsetPointMiddle( const SGGeod& gPrev, const SGGeod& gCur, const SGGeod&
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SGGeod OffsetPointFirst( const SGGeod& cur, const SGGeod& next, double offset_by );
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SGGeod OffsetPointLast( const SGGeod& prev, const SGGeod& cur, double offset_by );
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// what abount this?
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// Save clipper to shapefile
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void clipper_to_shapefile( ClipperLib::Polygons polys, char* datasource );
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// forward declaration
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// Forward Declaration:
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class tgPolygon;
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@ -401,7 +152,7 @@ public:
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static tgPolygon Diff( const tgContour& subject, tgPolygon& clip );
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static tgContour AddColinearNodes( const tgContour& subject, TGTriNodes nodes );
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static tgContour AddColinearNodes( const tgContour& subject, UniqueSGGeodSet& nodes );
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static tgContour AddColinearNodes( const tgContour& subject, std::vector<SGGeod>& nodes );
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static bool FindColinearLine( const tgContour& subject, const SGGeod& node, SGGeod& start, SGGeod& end );
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@ -748,7 +499,7 @@ public:
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static void Tesselate( const tgPolygon& subject );
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static tgPolygon AddColinearNodes( const tgPolygon& subject, TGTriNodes& nodes );
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static tgPolygon AddColinearNodes( const tgPolygon& subject, UniqueSGGeodSet& nodes );
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static tgPolygon AddColinearNodes( const tgPolygon& subject, std::vector<SGGeod>& nodes );
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static bool FindColinearLine( const tgPolygon& subject, SGGeod& node, SGGeod& start, SGGeod& end );
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@ -851,17 +602,6 @@ public:
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type = t;
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}
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// TEMP TEMP TEMP : need to redo Airport.cxx methods
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point_list TempGetPosListAsPoint3D( void ) {
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point_list p3dlist;
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for (unsigned int i=0; i<lights.size(); i++) {
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p3dlist.push_back( Point3D::fromSGGeod( lights[i].pos ) );
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}
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return p3dlist;
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}
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std::vector<SGGeod> GetPositionList( void ) {
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std::vector<SGGeod> positions;
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@ -872,16 +612,6 @@ public:
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return positions;
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}
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point_list TempGetNormalListAsPoint3D( void ) {
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point_list p3dlist;
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for (unsigned int i=0; i<lights.size(); i++) {
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p3dlist.push_back( Point3D::fromSGVec3( lights[i].norm ) );
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}
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return p3dlist;
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}
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std::vector<SGVec3f> GetNormalList( void ) {
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std::vector<SGVec3f> normals;
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@ -892,8 +622,6 @@ public:
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return normals;
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}
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// END TEMP TEMP TEMP
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// Friend for output
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friend std::ostream& operator<< ( std::ostream&, const tgLightContour& );
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@ -929,12 +657,9 @@ public:
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static void Init( void );
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static void* OpenDatasource( const char* datasource_name );
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static void* OpenLayer( void* ds_id, const char* layer_name );
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static void CreateFeature( void* ds_id, void* l_id, const TGPolygon &poly, const char* description );
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// static void CreateFeature( void* ds_id, void* l_id, const TGPolygon &poly, const char* description );
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static void CloseLayer( void* l_id );
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static void* CloseDatasource( void* ds_id );
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};
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#endif // _POLYGON_HXX
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@ -8,9 +8,6 @@
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#include <cstdlib>
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#include <CGAL/Simple_cartesian.h>
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//#include <CGAL/Cartesian.h>
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//#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/Kd_tree.h>
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#include <CGAL/algorithm.h>
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#include <CGAL/Fuzzy_iso_box.h>
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@ -144,6 +141,7 @@ private:
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Tree tg_kd_tree;
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bool kd_tree_valid;
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#if 0
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// return true of the two points are "close enough" as defined by
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// FG_PROXIMITY_EPSILON
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bool close_enough_2d( const SGGeod& p1, const SGGeod& p2 ) const;
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@ -155,9 +153,10 @@ private:
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// return true of the two points are "close enough" as defined by
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// FG_COURSE_EPSILON
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bool course_close_enough( const SGGeod& p1, const SGGeod& p2 );
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#endif
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};
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#if 0
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// return true of the two points are "close enough" as defined by
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// FG_PROXIMITY_EPSILON checking just x and y dimensions
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inline bool TGNodes::close_enough_2d( const SGGeod& p1, const SGGeod& p2 )
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@ -196,5 +195,6 @@ inline bool TGNodes::course_close_enough( const SGGeod& p1, const SGGeod& p2 )
|
|||
return false;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // _TG_NODES_HXX
|
||||
|
|
|
|||
|
|
@ -1,163 +0,0 @@
|
|||
// trinodes.cxx -- "Triangle" nodes management class
|
||||
//
|
||||
// Written by Curtis Olson, started March 1999.
|
||||
//
|
||||
// Copyright (C) 1999 Curtis L. Olson - http://www.flightgear.org/~curt
|
||||
//
|
||||
// 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
//
|
||||
// $Id: trinodes.cxx,v 1.7 2004-11-19 22:25:50 curt Exp $
|
||||
|
||||
|
||||
#include "trinodes.hxx"
|
||||
|
||||
|
||||
// Constructor
|
||||
TGTriNodes::TGTriNodes( void ) {
|
||||
}
|
||||
|
||||
|
||||
// Destructor
|
||||
TGTriNodes::~TGTriNodes( void ) {
|
||||
}
|
||||
|
||||
|
||||
// Add a point to the point list if it doesn't already exist. Returns
|
||||
// the index (starting at zero) of the point in the list.
|
||||
int TGTriNodes::unique_add( const Point3D& p ) {
|
||||
point_list_iterator current, last;
|
||||
int counter = 0;
|
||||
|
||||
// cout << "unique add = " << p << endl;
|
||||
|
||||
// see if point already exists
|
||||
current = node_list.begin();
|
||||
last = node_list.end();
|
||||
for ( ; current != last; ++current ) {
|
||||
if ( close_enough_2d(p, *current) ) {
|
||||
// cout << "found an existing match!" << endl;
|
||||
|
||||
// update elevation if new point has better info
|
||||
if ( current->z() < -9000 ) {
|
||||
current->setz( p.z() );
|
||||
}
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
++counter;
|
||||
}
|
||||
|
||||
// add to list
|
||||
node_list.push_back( p );
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
|
||||
// Add a point to the point list if it doesn't already exist (checking
|
||||
// all three dimensions.) Returns the index (starting at zero) of the
|
||||
// point in the list.
|
||||
int TGTriNodes::unique_add_3d( const Point3D& p ) {
|
||||
point_list_iterator current, last;
|
||||
int counter = 0;
|
||||
|
||||
// cout << p.x() << "," << p.y() << endl;
|
||||
|
||||
// see if point already exists
|
||||
current = node_list.begin();
|
||||
last = node_list.end();
|
||||
for ( ; current != last; ++current ) {
|
||||
if ( close_enough_3d(p, *current) ) {
|
||||
// cout << "found an existing match!" << endl;
|
||||
return counter;
|
||||
}
|
||||
|
||||
++counter;
|
||||
}
|
||||
|
||||
// add to list
|
||||
node_list.push_back( p );
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
|
||||
// Add the point with no uniqueness checking
|
||||
int TGTriNodes::simple_add( const Point3D& p ) {
|
||||
node_list.push_back( p );
|
||||
|
||||
return node_list.size() - 1;
|
||||
}
|
||||
|
||||
|
||||
// Add a point to the point list if it doesn't already exist. Returns
|
||||
// the index (starting at zero) of the point in the list. Use a
|
||||
// course proximity check
|
||||
int TGTriNodes::course_add( const Point3D& p ) {
|
||||
point_list_iterator current, last;
|
||||
int counter = 0;
|
||||
|
||||
// cout << p.x() << "," << p.y() << endl;
|
||||
|
||||
// see if point already exists
|
||||
current = node_list.begin();
|
||||
last = node_list.end();
|
||||
for ( ; current != last; ++current ) {
|
||||
if ( course_close_enough(p, *current) ) {
|
||||
// cout << "found an existing match!" << endl;
|
||||
|
||||
// update elevation if new point has better info
|
||||
if ( current->z() < -9000 ) {
|
||||
current->setz( p.z() );
|
||||
}
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
++counter;
|
||||
}
|
||||
|
||||
// add to list
|
||||
node_list.push_back( p );
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
|
||||
// Find the index of the specified point (compair to the same
|
||||
// tolerance as unique_add(). Returns -1 if not found.
|
||||
int TGTriNodes::find( const Point3D& p ) const {
|
||||
const_point_list_iterator current, last;
|
||||
int counter = 0;
|
||||
|
||||
// cout << p.x() << "," << p.y() << endl;
|
||||
|
||||
// see if point already exists
|
||||
current = node_list.begin();
|
||||
last = node_list.end();
|
||||
for ( ; current != last; ++current ) {
|
||||
if ( close_enough_2d(p, *current) ) {
|
||||
// cout << "found an existing match!" << endl;
|
||||
return counter;
|
||||
}
|
||||
|
||||
++counter;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1,148 +0,0 @@
|
|||
// trinodes.hxx -- "Triangle" nodes management class
|
||||
//
|
||||
// Written by Curtis Olson, started March 1999.
|
||||
//
|
||||
// Copyright (C) 1999 Curtis L. Olson - http://www.flightgear.org/~curt
|
||||
//
|
||||
// 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
//
|
||||
// $Id: trinodes.hxx,v 1.7 2004/11/19 22:25:50 curt Exp $
|
||||
|
||||
|
||||
#ifndef _TRINODES_HXX
|
||||
#define _TRINODES_HXX
|
||||
|
||||
|
||||
#ifndef __cplusplus
|
||||
# error This library requires C++
|
||||
#endif
|
||||
|
||||
|
||||
#include <simgear/compiler.h>
|
||||
#include <simgear/math/sg_types.hxx>
|
||||
|
||||
#include <Polygon/point3d.hxx>
|
||||
|
||||
#define FG_PROXIMITY_EPSILON 0.000001
|
||||
//#define FG_COURSE_EPSILON 0.0003
|
||||
#define FG_COURSE_EPSILON 0.0001
|
||||
|
||||
class TGTriNodes {
|
||||
|
||||
private:
|
||||
|
||||
point_list node_list;
|
||||
|
||||
// return true of the two points are "close enough" as defined by
|
||||
// FG_PROXIMITY_EPSILON
|
||||
bool close_enough_2d( const Point3D& p1, const Point3D& p2 ) const;
|
||||
|
||||
// return true of the two points are "close enough" as defined by
|
||||
// FG_PROXIMITY_EPSILON
|
||||
bool close_enough_3d( const Point3D& p1, const Point3D& p2 ) const;
|
||||
|
||||
// return true of the two points are "close enough" as defined by
|
||||
// FG_COURSE_EPSILON
|
||||
bool course_close_enough( const Point3D& p1, const Point3D& p2 );
|
||||
|
||||
public:
|
||||
|
||||
// Constructor and destructor
|
||||
TGTriNodes( void );
|
||||
~TGTriNodes( void );
|
||||
|
||||
// delete all the data out of node_list
|
||||
inline void clear() { node_list.clear(); }
|
||||
|
||||
// Add a point to the point list if it doesn't already exist.
|
||||
// Returns the index (starting at zero) of the point in the list.
|
||||
int unique_add( const Point3D& p );
|
||||
|
||||
// Add a point to the point list if it doesn't already exist
|
||||
// (checking all three dimensions.) Returns the index (starting
|
||||
// at zero) of the point in the list.
|
||||
int unique_add_3d( const Point3D& p );
|
||||
|
||||
// Add the point with no uniqueness checking
|
||||
int simple_add( const Point3D& p );
|
||||
|
||||
// Add a point to the point list if it doesn't already exist.
|
||||
// Returns the index (starting at zero) of the point in the list.
|
||||
// Use a course proximity check
|
||||
int course_add( const Point3D& p );
|
||||
|
||||
// Find the index of the specified point (compair to the same
|
||||
// tolerance as unique_add(). Returns -1 if not found.
|
||||
int find( const Point3D& p ) const;
|
||||
|
||||
// return the master node list
|
||||
inline point_list& get_node_list() { return node_list; }
|
||||
inline const point_list& get_node_list() const { return node_list; }
|
||||
inline void set_node_list( point_list pl ) { node_list = pl; }
|
||||
|
||||
// return the ith point
|
||||
inline Point3D get_node( int i ) const { return node_list[i]; }
|
||||
|
||||
// return the size of the node list
|
||||
inline size_t size() const { return node_list.size(); }
|
||||
};
|
||||
|
||||
|
||||
// return true of the two points are "close enough" as defined by
|
||||
// FG_PROXIMITY_EPSILON checking just x and y dimensions
|
||||
inline bool TGTriNodes::close_enough_2d( const Point3D& p1, const Point3D& p2 )
|
||||
const
|
||||
{
|
||||
if ( ( fabs(p1.x() - p2.x()) < FG_PROXIMITY_EPSILON ) &&
|
||||
( fabs(p1.y() - p2.y()) < FG_PROXIMITY_EPSILON ) ) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// return true of the two points are "close enough" as defined by
|
||||
// FG_PROXIMITY_EPSILON check all three dimensions
|
||||
inline bool TGTriNodes::close_enough_3d( const Point3D& p1, const Point3D& p2 )
|
||||
const
|
||||
{
|
||||
if ( ( fabs(p1.x() - p2.x()) < FG_PROXIMITY_EPSILON ) &&
|
||||
( fabs(p1.y() - p2.y()) < FG_PROXIMITY_EPSILON ) &&
|
||||
( fabs(p1.z() - p2.z()) < FG_PROXIMITY_EPSILON ) ) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// return true of the two points are "close enough" as defined by
|
||||
// FG_COURSE_EPSILON
|
||||
inline bool TGTriNodes::course_close_enough( const Point3D& p1,
|
||||
const Point3D& p2 )
|
||||
{
|
||||
if ( ( fabs(p1.x() - p2.x()) < FG_COURSE_EPSILON ) &&
|
||||
( fabs(p1.y() - p2.y()) < FG_COURSE_EPSILON ) ) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif // _TRINODES_HXX
|
||||
|
||||
|
||||
|
|
@ -45,6 +45,7 @@
|
|||
#include <simgear/misc/sg_dir.hxx>
|
||||
|
||||
#include <Polygon/polygon.hxx>
|
||||
#include <Polygon/point3d.hxx>
|
||||
|
||||
#include <ogrsf_frmts.h>
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue