core/vil/vil_decimate.cxx File Reference

#include "vil_decimate.h"
#include <vcl_cassert.h>
#include <vil/vil_copy.h>
#include <vil/vil_crop.h>
#include <vil/vil_exception.h>

Go to the source code of this file.

Defines
#define	macro(F, T)
#define	macro(F, T)
Functions
vil_image_resource_sptr	vil_decimate (const vil_image_resource_sptr &src, unsigned i_factor, unsigned j_factor)
	decimate to a region of src.
vil_image_view_base_sptr	vil_decimate (const vil_image_view_base_sptr im, unsigned i_factor, unsigned j_factor)

---

Detailed Description

Author:

Ian Scott.

    Modifications
     23 Oct.2003 - Peter Vanroose - Added support for 64-bit int pixels
   

Definition in file vil_decimate.cxx.

---

Define Documentation

#define macro	(		F,
			T
	)

Value:

case F : { \
      vil_image_view<T > view(ni,nj,src_->nplanes()); \
      for (unsigned j = 0; j < nj; ++j) \
        for (unsigned i = 0; i < ni; ++i) { \
          vil_image_view<T > pixel=src_->get_view((i+i0)*i_factor_,1,(j+j0)*j_factor_,1); \
          assert ((bool)pixel); \
          vil_copy_to_window(pixel, view, i, j); } \
      return new vil_image_view<T >(view); }

#define macro	(		F,
			T
	)

Value:

case F : \
    return new vil_image_view<T >(vil_decimate(static_cast<vil_image_view<T >&>(*im), \
                                  i_factor, j_factor));

---

Function Documentation

vil_image_resource_sptr vil_decimate	(	const vil_image_resource_sptr &	src,
		unsigned	i_factor,
		unsigned	j_factor
	)

decimate to a region of src.

Definition at line 23 of file vil_decimate.cxx.

vil_image_view_base_sptr vil_decimate	(	const vil_image_view_base_sptr	im,
		unsigned	i_factor,
		unsigned	j_factor
	)

Definition at line 114 of file vil_decimate.cxx.