Antwort: Re: [xep-support] "invalid unit type" im images

[Thomas.Braun at infowerk.de]

thanks for your answer!

these images are uploaded by the users of our web applications...
i suggest the images are produced by the digicam-software of our users but 
i'm not sure.

the next time this error occurs i'll try to find out wich software was 
used.


regards,
Thomas





"Nikolai Grigoriev" <grig at renderx.com>
Gesendet von: owner-xep-support at renderx.com
11.12.2003 13:28
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        Thema:  Re: [xep-support] "invalid unit type" im images

Thomas,

> sometimes i get the error "invalid unit type in ..." while 
> processing images.  what does this mean? 

This message may appear when parsing PNG, TIFF, or JPEG images.
These formats can store data about image resolution. Length units
to which the resolution is relative are stored in a separate field
inside the file; there is a closed list of permitted values for this
field (different for each format). Whenever XEP encounters a value 
that is not in the respective list, it complains.

Which application do you use to produce images that give you 
these errors?

> when i open the image in photoshop an save it without changing 
> anything then the image works correctly... 

Most probably, Photoshop inserts a correct default value into 
the respective field. 

Best regards,
Nikolai Grigoriev
RenderX

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