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//
// Create histograms of the various subbands
//
// $Id: Histogram.C,v 4.3.4.1 1999/07/20 16:16:19 geert Exp $
//
// Copyright (C) 1996-1999 Department of Computer Science, K.U.Leuven, Belgium
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
#ifndef NULL
#define NULL 0
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <waili/Image.h>
#include <waili/Storage.h>
const char *ProgramName;
const char *Prefix = NULL;
static void
#ifdef __GNUG__
__attribute__ ((noreturn))
#endif // __GNUG__
Usage(void)
{
Die("\nUsage: %s [options] filename [prefix]\n\n"
"Valid options are:\n"
" -h, --help display this usage information\n"
" -p, --primal number number of primal vanishing moments (default: 2)\n"
" -d, --dual number number of dual vanishing moments (default: 2)\n"
" -l, --levels number of transform levels (default: 1)\n"
"\n",
ProgramName);
}
void CreateHistogram(const NTChannel *ntch, u_int channel, u_int level,
u_int subband)
{
char *epsfile = new char[strlen(Prefix)+sizeof("_xx_xx_x.eps")];
sprintf(epsfile, "%s_%02d_%02d_%1d.eps", Prefix, channel, level, subband);
Stream stream;
PixType min, max;
u64 numpixels;
u64 *histogram = ntch->FullHistogram(min, max, numpixels);
char *plotdata = new char[sizeof("/tmp/tmp.xxxxx.data")];
sprintf(plotdata, "/tmp/tmp.%05d.data", getpid());
stream.Open(plotdata, "w");
for (int i = min; i <= max; i++)
#ifdef __linux__
stream.Printf("%d\t%Ld\n", i, histogram[i-min]);
#else // no %Ld
stream.Printf("%d\t%ld\n", i, (long)histogram[i-min]);
#endif // no %Ld
stream.Close();
char *plotscript = new char[sizeof("/tmp/tmp.xxxxx.script")];
sprintf(plotscript, "/tmp/tmp.%05d.script", getpid());
stream.Open(plotscript, "w");
stream.Puts("set term postscript eps\n");
stream.Printf("set output '%s'\n", epsfile);
stream.Printf("plot [%d:%d]\"%s\" title \"Channel %d Level %d Subband %d "
"[%d:%d]\" with impulses\n",
min, max, plotdata, channel, level, subband, min, max);
stream.Puts("quit\n");
stream.Close();
char *command = new char[strlen(plotscript)+sizeof("gnuplot ")];
sprintf(command, "gnuplot %s", plotscript);
system(command);
delete [] command;
unlink(plotscript);
delete [] plotscript;
unlink(plotdata);
delete [] plotdata;
delete [] epsfile;
}
int main(int argc, char *argv[])
{
const char *infile = NULL;
Image image;
u_int maxlevels = 1;
int np = 2, nd = 2;
Wavelet *wavelet = NULL;
ProgramName = argv[0];
while (--argc > 0) {
argv++;
if (!strcmp(argv[0], "-h") || !strcmp(argv[0], "--help"))
Usage();
else if (!strcmp(argv[0], "-p") || !strcmp(argv[0], "--primal"))
if (argc > 1) {
np = atoi(argv[1]);
argc--;
argv++;
} else
Usage();
else if (!strcmp(argv[0], "-d") || !strcmp(argv[0], "--dual"))
if (argc > 1) {
nd = atoi(argv[1]);
argc--;
argv++;
} else
Usage();
else if (!strcmp(argv[0], "-l") || !strcmp(argv[0], "--levels"))
if (argc > 1) {
maxlevels = atoi(argv[1]);
argc--;
argv++;
} else
Usage();
else if (!infile)
infile = argv[0];
else if (!Prefix)
Prefix = argv[0];
else
Usage();
}
if (!infile)
Usage();
if (!Prefix)
Prefix = infile;
image.Import(infile);
wavelet = Wavelet::CreateCDF(np, nd);
for (u_int ch = 0; ch < image.GetChannels(); ch++) {
fprintf(stderr, "channel %d: 0", ch);
NTChannel *ntch = (NTChannel *)image[ch];
CreateHistogram(ntch, ch, 0, 0);
for (u_int l = 1; l <= maxlevels; l++) {
LChannel *lch = ntch->PushFwtStepCR(*wavelet);
if (!lch)
break;
fprintf(stderr, " %d", l);
for (u_int sb = SubBand_LL; sb <= SubBand_HH; sb++)
CreateHistogram((const NTChannel *)(*lch)[(SubBand)sb], ch, l,
sb);
ntch = (NTChannel *)(*lch)[SubBand_LL];
}
fputs("\n", stderr);
}
return(0);
}
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