[hobbit] Larrd graphs not working

[Michael Frey]

After deleting the lines as suggested, and adding the <89>PNG, the image 
in the viewer is still a black screen.

If I delete the <89>PNG, the file size is zero bytes.

Thanks for your help.

Michael Frey
Intel Senior Systems Engineer
The Guardian Life Insurance Company of America
3900 Burgess Place, 2-West
Bethlehem, PA 18017
E-Mail: Michael_frey at glic.com
Phone: 610-807-7889
Fax: 610-807-6003



henrik at hswn.dk (Henrik Stoerner) 
12/29/2005 03:20 PM
Please respond to
hobbit at hswn.dk



To
hobbit at hswn.dk
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Subject
Re: [hobbit] Larrd graphs not working






On Thu, Dec 29, 2005 at 03:06:02PM -0500, Michael Frey wrote:
> After running the commands as you outlined below, the output in file.png 

> is:
> Content-type: image/png
> Expires: Thu, 29 Dec 2005 19:26:06 GMT
> 
> If I view the file.png file with a png viewer, it is only a black 
screen.

You must delete the "Content-type: image/png", the "Expires:..." line,
and the blank line. Those lines are headers for the web browser, because 
the output is supposed to be a web response, and not simply a PNG file.

For the file to be a valid PNG file, it must begin with

<89>PNG


Regards,
Henrik


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