Val minVal(Image &image, Point &p, Domain& domain)
{
typename Image::Domain dom( p*2, p*2 + Point::diagonal(1));
Val v=image(p*2);
for(typename Image::Domain::ConstIterator it=dom.begin(), itend=dom.end();
it != itend;
++it)
if ( domain.isInside(*it)&& image( *it) < v) v=image(*it);
return v;
}
Val meanVal(Image &image, Point &p, Domain& domain)
{
typename Image::Domain dom( p*2, p*2 + Point::diagonal(1));
int v=0;
int nb=0;
for(typename Image::Domain::ConstIterator it=dom.begin(), itend=dom.end();
it != itend;
++it)
if ( domain.isInside(*it) )
{
nb++;
v+=image(*it);
}
return static_cast<unsigned char>( v/nb );
}
int display_image(const Image& image, Viewer& viewer)
{
BOOST_CONCEPT_ASSERT(( CConstImage<Image> ));
BOOST_STATIC_ASSERT(( boost::is_same<typename Image::Value, bool>::value ));
typedef typename DigitalSetSelector<typename Image::Domain, BIG_DS | LOW_VAR_DS | HIGH_ITER_DS | HIGH_BEL_DS>::Type DigitalSet;
const typename Image::Domain domain = image.domain();
DigitalSet registered_set(domain);
typename Image::Domain::Size displayed = 0;
for (typename Image::Domain::Iterator iter=domain.begin(), iter_end=domain.end(); iter!=iter_end; iter++)
{
const typename Image::Domain::Point& point = *iter;
if (!image(point)) continue;
registered_set.insertNew(*iter);
displayed++;
}
trace.info() << "display " << displayed << " points (" << static_cast<int>(100.*displayed/domain.size()) << "%)" << endl;
viewer << registered_set;
}