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Moved file to customadaptor.cc.

This commit is contained in:
Lutz Kettner 2004-03-04 16:35:57 +00:00
parent 85001add69
commit d05e558ed4
1 changed files with 0 additions and 59 deletions
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59
Packages/Box_intersection_d/examples/Box_intersection_d/customadapter.cc
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#include <CGAL/Box_intersection_d.h>
#include <iostream>
#include <cstdlib>
#include <vector>
struct Primitive {
float f;
Primitive() : f( drand48() ) {}
bool intersect( Primitive *other )
{ return f * other->f > 0.6f; }
};
struct User_box : public CGAL::Box_intersection_d::Unique_numbers
{
Primitive *primitive;
float lo[3], size;
User_box( Primitive *p ) : primitive( p ) {
for( unsigned int d = 0; d < 3; ++d )
lo[d] = 10.0 * drand48();
size = 1 + 3.0 * drand48();
}
};
struct Box_traits {
typedef const User_box& Box;
typedef float NT;
static NT get_lo( Box b, unsigned int dim )
{ return b.lo[ dim ]; }
static NT get_hi( Box b, unsigned int dim )
{ return b.lo[ dim ] + b.size; }
static unsigned int get_id( Box b )
{ return b.get_id(); }
static unsigned int get_dim() { return 3; }
};
void fill_boxes( unsigned int n, std::vector<User_box> &boxes ) {
for( unsigned int i = 0; i < n; ++i )
boxes.push_back( User_box( new Primitive() ) );
}
void callback( const User_box &a, const User_box &b ) {
if( a.primitive->intersect( b.primitive ) )
std::cout << "intersection between box "
<< a.get_id() << " and " << b.get_id() << std::endl;
};
int main() {
std::vector<User_box> a, b;
fill_boxes( 100, a );
fill_boxes( 100, b );
CGAL::box_intersection_d( a.begin(), a.end(),
b.begin(), b.end(), callback, Box_traits() );
}