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cgal
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update

This commit is contained in:
Abdelkrim Mebarki 2006-02-27 23:04:10 +00:00
parent 9445750bc3
commit 729a5a2d6d
1 changed files with 43 additions and 2 deletions
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45
Stream_lines_2/include/CGAL/Stream_lines_2.h
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@ -96,7 +96,43 @@ protected:
FT separating_distance; FT separating_distance;
FT saturation_ratio; FT saturation_ratio;
Point_2 seed_point; Point_2 seed_point;
unsigned int _number_of_lines; int samp_step;
unsigned int _number_of_lines;
Vector_field_2 * vf_2;
Integrator_2 * int_2;
public:
void set_separating_distance(FT new_value){separating_distance = new_value;}
void set_saturation_ratio(FT new_value){ saturation_ratio = new_value;}
void update()
{
ir = il = 0; // initialization
fSepStl_seed = separating_distance*saturation_ratio;
m_DT.clear();
Point_2 pPoint;
pPoint = Point_2(min_x-separating_distance,min_y-separating_distance);
m_DT.insert(pPoint);
pPoint = Point_2(min_x-separating_distance,max_y+separating_distance);
m_DT.insert(pPoint);
pPoint = Point_2(max_x+separating_distance,min_y-separating_distance);
m_DT.insert(pPoint);
pPoint = Point_2(max_x+separating_distance,max_y+separating_distance);
m_DT.insert(pPoint);
for (int i=(int) (min_x-separating_distance);i<max_x+(int)
separating_distance;i=i+(int) (fSepStl_seed))
{
pPoint = Point_2((FT)i,(FT)max_y+separating_distance);
m_DT.insert(pPoint);
pPoint = Point_2((FT)max_x+separating_distance,(FT)i);
m_DT.insert(pPoint);
pPoint = Point_2((FT)i,min_y-separating_distance);
m_DT.insert(pPoint);
pPoint = Point_2(min_x-separating_distance,(FT)i);
m_DT.insert(pPoint);
}
_number_of_lines = 0;
place_stream_lines(*vf_2, *int_2,
samp_step);
}
protected: protected:
void place_stream_lines(const Vector_field_2 & vector_field_2, const Integrator_2 & integrator, void place_stream_lines(const Vector_field_2 & vector_field_2, const Integrator_2 & integrator,
const int & sampling_step, const bool & step_by_step = false); const int & sampling_step, const bool & step_by_step = false);
@ -196,6 +232,10 @@ vector_field_2, const Integrator_2 & m_integrator, const FT & m_separating_dista
m_DT.insert(pPoint); m_DT.insert(pPoint);
} }
_number_of_lines = 0; _number_of_lines = 0;
vf_2 = new Vector_field_2(vector_field_2);
int_2 = new Integrator_2(m_integrator);
samp_step = sampling_step;
stl_container.clear();
place_stream_lines(vector_field_2, m_integrator, place_stream_lines(vector_field_2, m_integrator,
sampling_step, step_by_step); sampling_step, step_by_step);
} }
@ -761,7 +801,8 @@ Stream_lines_2<VectorField_2, Integrator_2>::end()
template <class VectorField_2, class Integrator_2> template <class VectorField_2, class Integrator_2>
inline inline
void Stream_lines_2<VectorField_2, Integrator_2>::make_iterator() void Stream_lines_2<VectorField_2, Integrator_2>::make_iterator()
{ {
iterator_container.clear();
for(typename Stream_line_container_2::iterator for(typename Stream_line_container_2::iterator
begin=stl_container.begin(); begin=stl_container.begin();
begin!=stl_container.end();begin++) begin!=stl_container.end();begin++)