tuple image_import(const std::string filename)
{
trace.emphase() << filename << endl;
typedef ImageSelector<Domain, unsigned char>::Type Image;
const Image image = GenericReader<Image>::import(filename);
trace.info() << image << endl;
const Point lower_bound = image.domain().lowerBound();
const Point upper_bound = image.domain().upperBound();
const Point delta = upper_bound-lower_bound+Point(1,1,1);
trace.info() << lower_bound << " " << upper_bound << endl;
const Image::ConstRange range = image.constRange();
list flat;
for (Image::ConstRange::ConstIterator iter=range.begin(), iter_end=range.end(); iter!=iter_end; iter++)
flat.append(*iter);
tuple payload = make_tuple(
make_tuple(delta[2], delta[1], delta[0]),
flat
);
return payload;
}
int main( int argc, char** argv )
{
trace.beginBlock ( "Example for ConstImageAdapter" );
trace.info() << "Args:";
for ( int i = 0; i < argc; ++i )
trace.info() << " " << argv[ i ];
trace.info() << endl;
using namespace Z2i;
trace.beginBlock("Image creation");
//domain
const Integer size = 5;
Point p = Point::diagonal(0);
Point q = Point::diagonal(size-1);
Domain d(p,q);
//image
typedef ImageSelector<Domain, int >::Type Image;
Image img(d);
//fill
const int maximalValue = size*size;
Image::Range::OutputIterator it = img.range().outputIterator();
for (int i = 0; i < maximalValue; ++i)
*it++ = i;
//display values
Image::ConstRange r = img.constRange();
std::copy( r.begin(), r.end(), std::ostream_iterator<int>(cout,", ") );
cout << endl;
trace.endBlock();
const int thresholdValue = maximalValue/2;
trace.beginBlock("Implicit thresholding");
//! [ConstImageAdapterConstruction]
Thresholder<Image::Value> t( thresholdValue );
ConstImageAdapter<Image, Thresholder<Image::Value>, bool> a(img, t);
//! [ConstImageAdapterConstruction]
//display values
//! [ConstImageAdapterRange]
ConstImageAdapter<Image, Thresholder<Image::Value>, bool>::ConstRange
ra = a.constRange();
std::copy( ra.begin(), ra.end(), std::ostream_iterator<int>(cout,", ") );
//! [ConstImageAdapterRange]
cout << endl;
trace.endBlock();
return 0;
}
/**
* Example of a test. To be completed.
*
*/
bool testImageFromSet()
{
typedef ImageContainerBySTLVector<Domain,int> Image;
unsigned int nbok = 0;
unsigned int nb = 0;
trace.beginBlock ( "Testing ImageFromSet ..." );
Point a(0,0);
Point b(23,435);
Point c(12,12);
Domain d(a,b);
DigitalSet aSet(d);
aSet.insert(c);
Image image(d);
//assign to the points belonging to aSet the value 128
imageFromRangeAndValue(aSet, image, 128);
//ie. the value of c is 128 but the value of a remains 0
nbok += ( (image(c) == 128)&&(image(a) == 0) ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
Image image2(d);
Norm1<Point> n;
//fill image2 from n
imageFromFunctor(image2, n);
nbok += ( (image2(c) == (int)c.norm1())
&&(image2(a) == (int)a.norm1())
&&(image2(b) == (int)b.norm1()) )? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
Image image3 = image;
//fill image3 from image2
imageFromImage(image3, const_cast<Image const&>(image2));
//image2 and image3 should be equal,
//but both different from image
Image::ConstRange rimg = image.constRange();
Image::ConstRange rimg2 = image2.constRange();
Image::ConstRange rimg3 = image3.constRange();
bool flag2 = std::equal(rimg.begin(), rimg.end(), rimg2.begin());
bool flag3 = std::equal(rimg.begin(), rimg.end(), rimg3.begin());
bool flag23 = std::equal(rimg2.begin(), rimg2.end(), rimg3.begin());
nbok += ( (!flag2) && (!flag3) && flag23 )?1:0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
trace.endBlock();
return nbok == nb;
}
int main( int argc, char** argv )
{
unsigned int nbok = 0;
unsigned int nb = 0;
trace.beginBlock ( "Test for ConstImageAdapter" );
trace.info() << "Args:";
for ( int i = 0; i < argc; ++i )
trace.info() << " " << argv[ i ];
trace.info() << endl;
using namespace Z2i;
trace.beginBlock("Image creation");
//domain
const Integer size = 5;
Point p = Point::diagonal(0);
Point q = Point::diagonal(size-1);
Domain d(p,q);
//image
typedef ImageSelector<Domain, int >::Type Image;
Image img(d);
//fill
const int maximalValue = size*size;
Image::Range::OutputIterator it = img.range().outputIterator();
for (int i = 0; i < maximalValue; ++i)
*it++ = i;
//display values
Image::ConstRange r = img.constRange();
std::copy( r.begin(), r.end(), std::ostream_iterator<int>(cout,", ") );
cout << endl;
trace.endBlock();
const int thresholdValue = maximalValue/2;
trace.beginBlock("Implicit thresholding");
//! [ConstImageAdapterConstruction]
DefaultFunctor g;
Thresholder<Image::Value> t( thresholdValue );
typedef ConstImageAdapter<Image, Domain, DefaultFunctor, bool, Thresholder<Image::Value> > MyConstImageAdapter;
BOOST_CONCEPT_ASSERT(( CConstImage< MyConstImageAdapter > ));
MyConstImageAdapter a(img, d, g, t);
//! [ConstImageAdapterConstruction]
//display values
//! [ConstImageAdapterRange]
ConstImageAdapter<Image, Domain, DefaultFunctor, bool, Thresholder<Image::Value> >::ConstRange
ra = a.constRange();
std::copy( ra.begin(), ra.end(), std::ostream_iterator<int>(cout,", ") );
cout << endl;
std::vector<int> to_vector(25);
std::copy(ra.begin(), ra.end(), to_vector.begin());
for (int i = 0; i < 25; i++)
{
if (i<=12)
{
if (to_vector[i]==1)
{
cout << "ok, ";
nbok += true ? 1 : 0; nb++;
}
else
{
cout << "!ok, ";
nbok += false ? 1 : 0; nb++;
}
}
else
{
if (to_vector[i]==0)
{
cout << "ok, ";
nbok += true ? 1 : 0; nb++;
}
else
{
cout << "!ok, ";
nbok += false ? 1 : 0; nb++;
}
}
}
//! [ConstImageAdapterRange]
cout << endl;
trace.endBlock();
bool res = (nbok == nb);
trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
trace.endBlock();
return res ? 0 : 1;
}
bool testSetFromImage()
{
unsigned int nbok = 0;
unsigned int nb = 0;
trace.beginBlock ( "Testing SetFromImage ..." );
//some points
Point a(0,0);
Point b(3,3);
Point p(1,1);
Point q(2,2);
Point r(1,2);
//image construction
typedef ImageContainerBySTLMap<Domain,int> Image;
Domain d(a,b);
Image image(d,1);
image.setValue(p,127);
image.setValue(q,128);
image.setValue(r,10);
//image content
Image::ConstRange range = image.constRange();
std::copy(range.begin(), range.end(), ostream_iterator<Image::Value>(cout, " ") );
cout << endl;
//set tests
DigitalSet aSet(d);
DigitalSetInserter<DigitalSet> inserter(aSet);
//all points whose value <= 126
setFromImage( image, inserter, 126 );
//ie, all points except p and q
nbok += ( (aSet.find(p) == aSet.end())
&&(aSet.find(q) == aSet.end())
&&(aSet.size()==(d.size()-2)) ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
DigitalSet aSet2(d);
DigitalSetInserter<DigitalSet> inserter2(aSet2);
//all points whose value <= 127
setFromImage( image, inserter2, 127 );
//ie, all points except q
nbok += ( (aSet2.find(q) == aSet2.end())
&&(aSet2.size()==(d.size()-1)) ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
DigitalSet aSet3(d);
DigitalSetInserter<DigitalSet> inserter3(aSet3);
//all points whose value <= 128
setFromImage( image, inserter3, 128 );
//ie, all points
nbok += ( aSet3.size()==d.size() ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
DigitalSet aSet4(d);
DigitalSetInserter<DigitalSet> inserter4(aSet4);
//all points whose value is between 2 and 100
setFromImage( image, inserter4, 2, 100 );
//ie, only point r
nbok += ( (aSet4.find(r)!=aSet4.end())&&(aSet4.size()==1) ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
DigitalSet aSet5(d);
DigitalSetInserter<DigitalSet> inserter5(aSet5);
//predicate construction
typedef std::equal_to<Image::Value> EqualBinaryFunctor;
typedef std::binder2nd<EqualBinaryFunctor> ValuePredicate;
ValuePredicate equalTo1 (EqualBinaryFunctor(),1);
functors::PointFunctorPredicate<Image, ValuePredicate> pred(image, equalTo1);
//all points whose value is 1
setFromPointsRangeAndPredicate( d.begin(), d.end(), inserter5, pred );
//ie all points except p, q, and r
nbok += ( (aSet5.find(p) == aSet5.end())
&&(aSet5.find(q) == aSet5.end())
&&(aSet5.find(r) == aSet5.end())
&&(aSet5.size()==(d.size()-3)) ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
return nbok == nb;
}
