Black and White photometirc interpretation

[sathish]

I have a TIFF images, some of which have a photometric interpretation value of 0, and some have a value of 1. Depending on the value, the TIFF either displays correctly, or with black and white reversed (black background with white text).
i have to upload the TIFF image to server.
while uploading i have to check whether its a normal TIFF or TIFF with photometric interpretation.
how to check???

[magick]

ImageMagick does not expose the photometric interpretation. Instead, look for a program called tiffinfo that returns that attribute.

[sathish]

thanks for ur reply.
tiffinfo returns the attributes of all types of tiff images.
First i want to know whether its a normal TIFF, or with black and white reversed (black background with white text) before uploading the TIFF.
how to find the TIFF structure?
any sample code??

[magick]

Try this command:

• identify -debug coder image.tif

It should list the photometric interpretation of the image.

[sathish]

i want the code in c#.net to find the photometric interpretation of the image.

is it possible??

[magick]

The photometric information is not available from ImageMagick at this time.

[sathish]

while scanning a document, sometimes the document scanned as negative image(i.e, with black backgound and with white text). i changed the scanner settings and tried, but occassionally it happens.
Any way to avoid this.??
how to handle this..?