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Continued work on triangulation preparation.

This commit is contained in:
curt 1999-03-19 00:27:09 +00:00
parent 0eed0e0918
commit 7f2ab3559b
4 changed files with 41 additions and 4 deletions

View file

@ -7,4 +7,5 @@ libTriangulate_a_SOURCES = \
INCLUDES += \
-I$(top_builddir) \
-I$(top_builddir)/Lib \
-I$(top_builddir)/Tools/Lib \
-I$(top_builddir)/Tools/Construct

View file

@ -37,6 +37,9 @@ FGTriangle::~FGTriangle( void ) {
// populate this class based on the specified gpc_polys list
int FGTriangle::build( const FGgpcPolyList& gpc_polys ) {
int index;
tripoly poly;
// traverse the gpc_polys and build a unified node list and a set
// of Triangle PSLG that reference the node list by index
// (starting at zero)
@ -47,29 +50,52 @@ int FGTriangle::build( const FGgpcPolyList& gpc_polys ) {
// process polygons in priority order
cout << "prepairing node list and polygons" << endl;
for ( int i = 0; i < FG_MAX_AREAS; ++i ) {
for ( int i = 0; i < FG_MAX_AREA_TYPES; ++i ) {
cout << "area type = " << i << endl;
current = gpc_polys.polys[i].begin();
last = gpc_polys.polys[i].end();
for ( ; current != last; ++current ) {
gpc_poly = *current;
cout << "processing a polygon, contours = "
<< gpc_poly->num_contours << endl;
poly.erase(poly.begin(), poly.end());
if (gpc_poly->num_contours <= 0 ) {
cout << "FATAL ERROR! no contours in this polygon" << endl;
exit(-1);
}
if (gpc_poly->num_contours > 1 ) {
cout << "FATAL ERROR! no multi-contour support" << endl;
exit(-1);
}
for ( int j = 0; j < gpc_poly->num_contours; j++ ) {
for ( int k = 0; k < gpc_poly->contour[j].num_vertices; k++ ) {
Point3D p( gpc_poly->contour[j].vertex[k].x,
gpc_poly->contour[j].vertex[k].y,
0 );
cout << trinodes.unique_add( p ) << endl;
index = trinodes.unique_add( p );
poly.push_back(index);
// cout << index << endl;
}
polylist[i].push_back(poly);
}
}
}
for ( int i = 0; i < FG_MAX_AREA_TYPES; ++i ) {
cout << "polylist[" << i << "] = " << polylist[i].size() << endl;
}
return 0;
}
// $Log$
// Revision 1.3 1999/03/19 00:27:10 curt
// Continued work on triangulation preparation.
//
// Revision 1.2 1999/03/18 04:31:11 curt
// Let's not pass copies of huge structures on the stack ... ye might see a
// segfault ... :-)

View file

@ -37,6 +37,7 @@
#include <Clipper/clipper.hxx>
#include <Math/point3d.hxx>
#include <Polygon/names.hxx>
#include "trinodes.hxx"
@ -47,7 +48,7 @@ typedef vector < int > tripoly;
typedef tripoly::iterator tripoly_iterator;
typedef tripoly::const_iterator const_tripoly_iterator;
typedef vector < int > tripoly_list;
typedef vector < tripoly > tripoly_list;
typedef tripoly_list::iterator tripoly_list_iterator;
typedef tripoly_list::const_iterator const_tripoly_list_iterator;
@ -57,7 +58,7 @@ class FGTriangle {
private:
FGTriNodes trinodes;
tripoly_list polylist;
tripoly_list polylist[FG_MAX_AREA_TYPES];
public:
@ -74,6 +75,9 @@ public:
// $Log$
// Revision 1.3 1999/03/19 00:27:11 curt
// Continued work on triangulation preparation.
//
// Revision 1.2 1999/03/18 04:31:12 curt
// Let's not pass copies of huge structures on the stack ... ye might see a
// segfault ... :-)

View file

@ -53,11 +53,14 @@ int FGTriNodes::unique_add( const Point3D& p ) {
point_iterator current, last;
int counter = 0;
// cout << p.x() << "," << p.y() << endl;
// see if point already exists
current = point_list.begin();
last = point_list.end();
for ( ; current != last; ++current ) {
if ( close_enough(p, *current) ) {
cout << "found an existing match!" << endl;
return counter;
}
@ -72,6 +75,9 @@ int FGTriNodes::unique_add( const Point3D& p ) {
// $Log$
// Revision 1.2 1999/03/19 00:27:12 curt
// Continued work on triangulation preparation.
//
// Revision 1.1 1999/03/17 23:52:00 curt
// Initial revision.
//