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#! /usr/bin/env perl
use strict;
my $errors=0;
my $mincstats_bin = `which mincstats`;
chomp($mincstats_bin);
if ($ENV{'MINCSTATS_BIN'})
{
$mincstats_bin = $ENV{'MINCSTATS_BIN'};
}
print "Case 1 - Basic output.\n";
my $r1 = `$mincstats_bin test-zero.mnc`;
if ($? != 0)
{
print "Default operation returned something other than zero.\n";
$errors++;
}
my $c1result = <<HERE;
File: test-zero.mnc
Mask file: (null)
Total voxels: 125
# voxels: 125
% of total: 100
Volume (mm3): 125
Min: 0
Max: 0
Sum: 0
Sum^2: 0
Mean: 0
Variance: 0
Stddev: 0
CoM_voxel(z,y,x): 0 0 0
CoM_real(x,y,z): 0 0 0
Histogram: (null)
Total voxels: 125
# voxels: 0
% of total: 0
Median: 0
Majority: 0
BiModalT: 0
PctT [ 0%]: 0
Entropy : 0
HERE
if ($r1 ne $c1result)
{
print "Case 1 failed, incorrect output format.\n";
print "/$r1/\n";
$errors++;
}
print "Case 2 - Test the sum and sum2 options.\n";
my $r1 = `$mincstats_bin -sum -sum2 test-rnd.mnc`;
my @arr = split(/^/m, $r1);
chomp(@arr);
if ($arr[0] !~ /^Sum:\s+250$/ ||
$arr[1] !~ /^Sum\^2:\s+750$/)
{
print "Case 2 failed, incorrect output format.\n";
print "$r1\n";
$errors++;
}
print "Case 3 - Test the mean option.\n";
my $r1 = `$mincstats_bin -mean test-rnd.mnc`;
if ($r1 !~ /^Mean:\s+2$/)
{
print "Case 2 failed, incorrect output value.\n";
print "$r1\n";
$errors++;
}
print "Case 4 - Test the stddev and variance options.\n";
my $r1 = `$mincstats_bin -stddev -variance test-rnd.mnc`;
my @arr = split(/^/m, $r1);
chomp(@arr);
if ($arr[0] !~ /^Variance:\s+2.016129032$/ ||
$arr[1] !~ /^Stddev:\s+1.419904586$/)
{
print "Case 4 failed, incorrect output value.\n";
print "$r1\n";
$errors++;
}
print "Case 5 - Test the min and max options.\n";
my $r1 = `$mincstats_bin -max -min test-rnd.mnc`;
my @arr = split(/^/m, $r1);
chomp(@arr);
if ($arr[0] !~ /^Min:\s+0$/ || $arr[1] !~ /^Max:\s+4$/)
{
print "Case 5 failed, incorrect output value.\n";
print "$r1\n";
$errors++;
}
print "Case 6 - Test the CoM option.\n";
my $r1 = `$mincstats_bin -com test-rnd.mnc`;
my @arr = split(/^/m, $r1);
chomp(@arr);
if ($arr[0] ne "CoM_voxel(z,y,x): 2 2 2.132" ||
$arr[1] ne "CoM_real(x,y,z): 2.132 2 2")
{
print "Case 6 failed, incorrect output value.\n";
for (my $i = 0; $i <= $#arr; $i++)
{
print "/$arr[$i]/\n";
}
$errors++;
}
print "Case 7 - Test the median and entropy options.\n";
my $r1 = `$mincstats_bin -median -entropy test-rnd.mnc`;
my @arr = split(/^/m, $r1);
chomp(@arr);
if ($arr[0] !~ /Median:\s+1.99904/ ||
$arr[1] !~ /Entropy :\s+2.321928095/)
{
print "Case 7 failed, incorrect output value.\n";
for (my $i = 0; $i <= $#arr; $i++)
{
print "/$arr[$i]/\n";
}
$errors++;
}
print "Case 8 - Test the histogram option.\n";
my $r1 = `$mincstats_bin -clobber -histogram test-hist.txt test-rnd.mnc`;
open(FH, "< test-hist.txt") or die "Cannot open histogram for reading: $!";
my $n = 0;
while (<FH>)
{
# Skip comment and blank lines.
if (/^#/ || /^$/)
{
next;
}
my @fields = split;
my $centre = $fields[0];
my $count = $fields[1];
if ($centre == 0.001 || $centre == 1.001 || $centre == 2.001 ||
$centre == 3.001 || $centre == 3.999)
{
if ($count != 25)
{
$errors++;
print "Histogram is incorrect: $n $centre $count.\n";
}
}
else
{
if ($count != 0)
{
print "Histogram is incorrect: $n $centre $count.\n";
$errors++;
}
}
$n++;
}
close FH;
if ($n != 2000)
{
print "Histogram has the wrong number of bins: $n.\n";
$errors++;
}
print "Case 9 - Test the integer histogram option.\n";
my $r1 = `$mincstats_bin -clobber -integer_hist -histogram test-ihist.txt test-rnd.mnc`;
open(FH, "< test-ihist.txt") or die "Cannot open histogram for reading: $!";
my $n = 0;
while (<FH>)
{
# Skip comment and blank lines.
if (/^#/ || /^$/)
{
next;
}
my @fields = split;
my $centre = $fields[0];
my $count = $fields[1];
if ($count != 25)
{
$errors++;
print "Histogram is incorrect: $n $centre $count.\n";
}
$n++;
}
close FH;
if ($n != 5)
{
print "Histogram has the wrong number of bins: $n.\n";
$errors++;
}
print "OK.\n" if $errors == 0;
print
exit $errors > 0;
|
