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Date Posted: 20:24:15 04/25/04 Sun
Author: Michel
Subject: Re: How to read this TIFF image
In reply to: sunny 's message, "Re: How to read this TIFF image" on 04:05:52 04/20/04 Tue


Hi Sunny,

Are you using Envision or using your own code to load the image in the TImage component?

Best regards,

Michel

>Dear Michel
>I like to load TIFF image in the TImage.
>After I search the Tag in the TIFF image, I can not
>find StripByteCount (117),
>RowsPerStrip(116),TileWidth(322) or TileLength
>(323)..etc.
>As a result, I don't know that where is the pixel
>information.
>
>However, this TIFF can be shown in "Image Edit"
>software, so I think someone can tell me how to read
>pixel information by this Tag (I list here).
>
>Best regards,
>>
>>Hi Sunny,
>>
>>Are you trying to load the image in the
>>TImageScrollBox or TTiffGraphic directly? Envision
>>should take care of reading stripped or tiled files
>>and return the graphic.
>>
>>Best regards,
>>
>>Michel
>>
>>>I am not an software engineer, but I like to process
>>>TIFF image by using BCB.
>>>
>>>I have studied "TIFF 6.0 Specification" and could
>read
>>>some TIFF images. But I got one TIFF image, and I
>>>could not read Tag information of strip or tiled. 32
>>>image file drectoris in this TIFF. But this tiff
>could
>>>be shown by other software.
>>>
>>>Could you tell me how to show this image?
>>>I'm listing all the Tag information which store in
>>>TIFF file.
>>>254 (FE) New subfile type
>>>256 (100) image width
>>>257 (101) image length
>>>258 (102) BitPerSample
>>>259 (103) compression
>>>262 (106) Photometric interpretation
>>>263 (107) threshholding
>>>273 (111) tripoffset
>>>274 (112) oriantation
>>>277 (115) sample per pixel
>>>280 (118) max sample value
>>>281 (119) min sample value
>>>282 (11A) x resolution
>>>283 (11B) y resolution
>>>296 (128) resolution unit
>>>320 (140) color map
>>>270 (10E) image description
>>>269 (10D) document name
>>>271 (10F) make
>>>272 (110)
>>>305 (131) software
>>>306 (132) date
>>>315 (13B) artist
>>>32013 ?
>>>32014 ?
>>>32015 ?
>>>32000 ?
>>>32009 ?
>>>32010 ?
>>>32011 ?
>>>32012 ?
>>>32008 ?

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