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Date Posted: 19:50:51 06/06/02 Thu
Author: Michel
Subject: Re: Tiff's Created With Envision Not Useable With Creo Citex
In reply to: Mike Grover 's message, "Re: Tiff's Created With Envision Not Useable With Creo Citex" on 09:31:44 06/05/02 Wed


Hi Mike,

Palettes have not meaning with true color images. Every pixel is specified as the RGB value, so even if you specify a palette it is ignored.

I suspect the problem is probably the compression used. Tiff files have many variations and very rare are applications that support them all.

Best regards,

Michel
>I found the problem... There is no color palette in the
>true color tiffs. And the color laser error's on this.
>I couldn't find a true color palette in the
>"EnDiGrph.pas"
>file. I sent over a tiff that was created with
>
>tiff.NewImage(3600,
> 3600,
> ifTrueColor,
> pColor256Palette,
> 600,
> 600);
>
>And the laser printed it...
>But i'm not sure if colors will print correctly.
>Would you know how to create a true color palette?
>
> thanks, mike
>
>
>
>>
>>Hi Mike,
>>
>>What compression are you using in the tiff file?
>>
>>Make sure you don't use tcZLib, which is not part of
>>the official tiff specs, but is a good replacement for
>>LZW.
>>
>>Best regards,
>>
>>Michel
>>
>>>Mike, I am using both Envision 1 and 2.
>>>we are sending tiff images to a color xerox laser
>>>with creo citex printing software.
>>>the xerox is rejecting the tiff images I send,
>>>But with no Error Information.
>>>If I take the image created with Envision and re-save
>>>it using either, Adobe Photo shop 6, Paint Shop Pro
>6,
>>>or microsoft Photo Editor, The Image prints fine.
>>> Any Ideas?
>>>
>>>Images are 600 DPI true color.
>>>
>>> mike

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