static void
CreateImage(ImageType::Pointer image);
int
main(int, char *[])
{
ImageType::Pointer image = ImageType::New();
CreateImage(image);
RegionalMinimaImageFilterType::Pointer regionalMinimaImageFilter = RegionalMinimaImageFilterType::New();
regionalMinimaImageFilter->SetInput(image);
regionalMinimaImageFilter->Update();
WriterType::Pointer writer = WriterType::New();
writer->SetFileName("input.png");
writer->SetInput(image);
writer->Update();
writer->SetFileName("output.png");
writer->SetInput(regionalMinimaImageFilter->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
void
CreateImage(ImageType::Pointer image)
{
size[0] = 200;
size[1] = 300;
image->SetRegions(region);
image->Allocate();
for (unsigned int r = 0; r < size[1]; r++)
{
for (unsigned int c = 0; c < size[0]; c++)
{
pixelIndex[0] = c;
pixelIndex[1] = r;
double c1 = c - 100.0;
double c2 = c - 200.0;
double rr = r - 100.0;
double v1 = 270.0 - std::sqrt(rr * rr + c1 * c1);
double v2 = 257.0 - std::sqrt(rr * rr + c2 * c2);
double maxv = v1;
if (maxv < v2)
maxv = v2;
double val = maxv;
if (val < 0.0)
val = 0.0;
if (val > 255.0)
val = 255.0;
image->SetPixel(pixelIndex, static_cast<unsigned char>(val));
}
}
}