Example7.cpp

#include<ImLib3D/ImLib3D.hpp>
#include<ImLib3D/ImLib3D.hpp>
#include<ImLib3D/TestPatterns.hpp>
#include<algorithm>
#include<functional>
#include<math.h>

// Demonstrates use of stl algorithms

// this is a class for accumulating a result sum
struct Adder : public unary_function<double, void>
{
    Adder() : sum(0) {}
    double sum;
    void operator()(double x) { sum += x; }
};

float myfct(float x){return 10*cos(M_PI*x);}

int
main(int argc,char **argv)
{
    // Declare a floating point image
    Image3Df ima(100,100,100);

    // fill example
    fill(ima.begin(),ima.end(),3);

    // for_each example
    Adder result = for_each(ima.begin(), ima.end(), Adder()); 
    cout << "The sum is " << result.sum << endl;

    // another for_each example
    for_each(ima.begin(), ima.end(), ptr_fun(myfct)); 

    // a find example
    ima(10,10,10)=1000;
    Image3Df::iterator a=find(ima.begin(), ima.end(),1000); 
    cout << "found value at:" << a.ComputePosition() << endl;

    // a sort example
    IP3D::NoiseGaussian(Size3D(10,10,10),ima);
    sort(ima.begin(),ima.end());
}

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