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Offline bacterio

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Re: [MOD] Histogram
« Reply #105 on: December 22, 2007, 10:17:58 PM »
Over the past few days I have in my log the error: PHP Warning: Division by zero in / home / miweb.com / data / htdocs / gallery / histo.php on line 71, 72, 73, 74, 75 ..... ..

(I have been two years without that error)

These lines are:

Quote
                                imageLine($im_out, $i+14, 157, $i+14, 157-($max[$i]/$max_value),$white);
                                imageLine($im_out, $i+13, $ry, $i+14, 157-($r[$i]/$max_rgb), $red);
                                imageLine($im_out, $i+13, $gy, $i+14, 157-($g[$i]/$max_rgb), $green);
                                imageLine($im_out, $i+13, $by, $i+14, 157-($b[$i]/$max_rgb), $blue);
                                $ry=157-($r[$i]/$max_rgb);
                                $gy=157-($g[$i]/$max_rgb);
                                $by=157-($b[$i]/$max_rgb);
                        }
                        imageLine($im_out,13,158,270,158,$hist);
                        imageLine($im_out,13,6,270,6,$hist);
                        imageLine($im_out,13,6,13,158,$hist);

                        imageLine($im_out,270,6,270,158,$hist);

Versión de PHP is:  4.4.7 

Any thoughts?

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Offline thunderstrike

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Re: [MOD] Histogram
« Reply #106 on: December 22, 2007, 11:16:36 PM »
What is exact line for division zero error ?
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Offline bacterio

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Re: [MOD] Histogram
« Reply #107 on: December 23, 2007, 10:55:58 AM »
Quote
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  imagecreatefromjpeg(reportero.jpg) [<a href='function.imagecreatefromjpeg'>function.imagecreatefromjpeg</a>]: failed to open stream: No such file or directory in /home/miweb.com/data/htdocs/galeria/histo.php on line 37
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  imagesx(): supplied argument is not a valid Image resource in /home/miweb.com/data/htdocs/galeria/histo.php on line 38
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Wrong parameter count for max() in /home/miweb.com/data/htdocs/galeria/histo.php on line 53
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Wrong parameter count for max() in /home/miweb.com/data/htdocs/galeria/histo.php on line 54
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Wrong parameter count for max() in /home/miweb.com/data/htdocs/galeria/histo.php on line 55
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Division by zero in /home/miweb.com/data/htdocs/galeria/histo.php on line 71
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Division by zero in /home/miweb.com/data/htdocs/galeria/histo.php on line 72
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Division by zero in /home/miweb.com/data/htdocs/galeria/histo.php on line 73
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Division by zero in /home/miweb.com/data/htdocs/galeria/histo.php on line 74
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Division by zero in /home/miweb.com/data/htdocs/galeria/histo.php on line 75
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Division by zero in /home/miweb.com/data/htdocs/galeria/histo.php on line 76
[Sun Dec 23 01:48:13 2007] [error] PHP Warning:  Division by zero in /home/miweb.com/data/htdocs/galeria/histo.php on line 77

Lines 37 and 38:

Quote
                        $im=imagecreatefromjpeg($hist_path.$hist_image);
                        for($i=0;$i<imagesx($im);$i+=2)

Lines 53 to 55:

Quote
                        $m[0]=max($r);
                        $m[1]=max($b);
                        $m[2]=max($g);

Lines 71 to 77:

Quote
                                imageLine($im_out, $i+14, 157, $i+14, 157-($max[$i]/$max_value),$white);
                                imageLine($im_out, $i+13, $ry, $i+14, 157-($r[$i]/$max_rgb), $red);
                                imageLine($im_out, $i+13, $gy, $i+14, 157-($g[$i]/$max_rgb), $green);
                                imageLine($im_out, $i+13, $by, $i+14, 157-($b[$i]/$max_rgb), $blue);
                                $ry=157-($r[$i]/$max_rgb);
                                $gy=157-($g[$i]/$max_rgb);
                                $by=157-($b[$i]/$max_rgb);

This happens to me in two different galleries, but the best thing is that if the histogram is generated .....

I think it's problem of the library gd2 .... I do not know.
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Offline thunderstrike

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Re: [MOD] Histogram
« Reply #108 on: December 23, 2007, 01:11:55 PM »
Quote
I think it's problem of the library gd2 .... I do not know.

Is show error for one image or all image ?
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Offline bacterio

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Re: [MOD] Histogram
« Reply #109 on: December 23, 2007, 10:56:16 PM »
Hello Thunderstrike

It happens with new images or old, it does sometimes with any image.
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Offline thunderstrike

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Re: [MOD] Histogram
« Reply #110 on: December 23, 2007, 10:59:00 PM »
If check in FTP for file structure - all ok in thumb and media folder ? Is look like alter image ...
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Offline bacterio

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Re: [MOD] Histogram
« Reply #111 on: December 23, 2007, 11:02:10 PM »
No, it's not a problem for permits, are all 777 and passes in any category.

I have two galleries 4homepages on the same server and I ocrre the same. Since a few days ago.
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Offline thunderstrike

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Re: [MOD] Histogram
« Reply #112 on: December 23, 2007, 11:19:50 PM »
Quote
No, it's not a problem for permits, are all 777 and passes in any category.

I no ask for permission. I ask if file structure is ok (kb, bytes) for all file. Is possible some alter image ...
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skiemor

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Re: [MOD] Histogram
« Reply #113 on: January 19, 2008, 07:23:40 PM »
Danke, sehr schöner MOD!  :D
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Offline mawenzi

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Re: [MOD] Histogram
« Reply #114 on: January 26, 2008, 11:39:02 AM »
@all
... I redesigned this MOD with some fixes ...
... you can download all neccesary files and the installations instruction ... here ...

@alle
... ich habe den MOD neu gestaltet mit einigen Fixes ...
... du kannst alle notwendigen Dateien und die Installationsanweisung downloaden ... hier ...
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Offline rubberduck

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Re: [MOD] Histogram
« Reply #115 on: January 26, 2008, 03:48:40 PM »
Wenn es um die Global Sache geht, dann füge mal in die erste Zeile der histogramm.php

Code: [Select]
$hist_image_id = $_GET['hist_image_id'];
ein.

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Offline mawenzi

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Re: [MOD] Histogram
« Reply #116 on: January 26, 2008, 04:09:57 PM »
Hallo Ivan,

Quote from: rubberduck on January 26, 2008, 03:48:40 PM
Wenn es um die Global Sache geht, dann füge mal in die erste Zeile der histogramm.php

Code: [Select]
$hist_image_id = $_GET['hist_image_id'];
ein.



... genau das behebt das Problem ... ;)
... in meinem Downloadpaket ist aber dieser Fix bereits enthalten ...
... also diese Zeile einfügen ... oder die histogramm.php nochmals downloaden ...
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Offline rubberduck

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Re: [MOD] Histogram
« Reply #117 on: January 27, 2008, 12:53:13 AM »
Quote from: ivan on January 27, 2008, 12:22:31 AM
für php5 gerüstet.

Naja, hat ja nicht direkt mit PHP5 zu tun, eher mit den Core Einstellungen für register_globals.

Aber Hauptsache es funktioniert :)

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Offline mawenzi

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Re: [MOD] Histogram
« Reply #118 on: January 27, 2008, 01:46:20 AM »
@ Ivan
... schön das Histogramm bei dir wieder online zu sehen ... ;)
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Offline mawenzi

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Re: [MOD] Histogram
« Reply #119 on: March 10, 2008, 08:31:54 PM »
... was bedeutet ... "wenn keines (Bild) vorhanden ist" ...

- wenn kein Bild vorhanden ist, dann gibt es keine Detailseite auf der ein Histogramm gezeigt werden könnte ...
- wenn auf der Detailseite statt eines Bildes z.B. ein Video o.d.gl. gezeigt wird, so wird auch kein Histogramm gezeigt ...
- für welchen Dateityp die Erzeugung und Einblendung des Histogramms erfolgen soll, legst du über die Extensionen fest ...

... worin besteht das Problem ... ?
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