User talk:BytePilot: Difference between revisions

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(Replaced content with "hi - what settings did you use for the test cake image? i didn't get the chance to do any other other night as the laser was screwed - so that's so far the only test image we…")
 
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well I've done that, but the output is not what we want.
hi - what settings did you use for the test cake image? i didn't get the chance to do any other other night as the laser was screwed - so that's so far the only test image we have.  


http://hack.rs/cgi-bin/threshold_bitwise.pl
you think it needs less power?


<pre>
is the combined-layers file on the laser's pc?


#!/usr/bin/perl -w
--[[User:AndyE|AndyE]] 18:37, 16 January 2011 (UTC)
use strict;
use CGI;
use CGI::Carp qw(fatalsToBrowser warningsToBrowser);
 
my $q = CGI->new();
 
print $q->header;
print $q->start_html;
 
print $q->p("this is a thing for doing threshholding");
print $q->p("<small>or possibly <i>thresholding</i>?</small>");
 
print $q->start_form( -enctype => "multipart/form-data" );
 
print $q->p("file");
print $q->filefield('uploaded_file');
print $q->submit();
 
print $q->end_form;
 
# do we have an upload?
my $filehandle = $q->upload('uploaded_file');
if (defined $filehandle) {
 
    # do shit
    print $q->p("I'm doing shit");
 
    # no, actually do shit
    my $filename = $q->param('uploaded_file');
    my $tempfile = $q->tmpFileName($filename);
 
    foreach my $i (0 .. 7) {
 
        my $n = 2 ** ($i + 8);
 
        my @ar = ("gm",
                  "convert", "-type", "grayscale", "-colors", 256, "-operator", "ALL AND $n", "-threshold", $n-1,
                  $tempfile,
                  "/var/www/threshold_output/$filename".$i );
 
        print $q->p("$i : $n : " . join " ", @ar);
 
        system(@ar) == 0 or carp "system call failed: $?"; #safer than passing a string to system()
 
        print $q->img({src => "/threshold_output/$filename".$i});
    }
}
 
 
print $q->end_html;
 
</pre>
 
I tried doing just the "-operator ALL AND $n" part by itself, it didn't seem to do anything...
 
--[[User:AndyE|AndyE]] 14:16, 12 January 2011 (UTC)

Latest revision as of 18:37, 16 January 2011

hi - what settings did you use for the test cake image? i didn't get the chance to do any other other night as the laser was screwed - so that's so far the only test image we have.

you think it needs less power?

is the combined-layers file on the laser's pc?

--AndyE 18:37, 16 January 2011 (UTC)

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