scanning to output a tiff file

synapse · 08-22-2007, 01:32 AM

Hi

Recently I scanned a page using xsane, the output was a saved file Scaneddoc.tiff, looking at this file under slack there is no problems, however when I moved the file to a windows machine and open it it is just one pure black page in the viewer ?? Why is this ?.

I then took the same file on slack and ran it through tifftopdf to get an output file of Scaneddoc.pdf, then I move this file to windows and it opens fie and is readable.

Why do the tiff files not display under windows ?

Cheers

gnashley · 08-22-2007, 02:11 AM

tiff is not the most common image format around and may not be recognized by all viewers.

erklaerbaer · 08-22-2007, 02:52 AM

maybe window's standard viewer "imaging" had problems opening it. next time try to open it with irfanview first.

crisostomo_enrico · 08-22-2007, 04:23 AM

Quote:

tiff is not the most common image format around and may not be recognized by all viewers.

May be true for some viewers, but TIFF _is_ pretty common. Stating Wikipedia:

Quote:

Tagged Image File Format (abbreviated TIFF) is a file format for storing images, including photographs and line art. Originally created by the company Aldus, jointly with Microsoft, for use with PostScript printing, TIFF is a popular format for high color depth images, along with JPEG and PNG.

[...]

TIFF in document imaging

TIFF format is standard in document imaging and document management systems. In this environment it is normally used with CCITT Group IV 2D compression, which supports black-and-white (also called bitonal or monochrome) images. In high-volume environments, documents are typically scanned in black and white (rather than color or grayscale) to conserve storage capacity. An average A4 scan produces 30 kilobytes (KB) of data at 200 ppi (pixels per inch resolution) and 50 KB of data at 300 ppi. 300 ppi is far more common than 200 ppi.

Because TIFF format supports multiple pages, multi-page documents can be saved as single TIFF files rather than as a series of files for each scanned page.

It's indeed strange that Windows had some problem with this format. By the way, I remember I had a problem with tiff images in a PC at office after installing Office 2003. Office 2003 suite, moreover, has support programs for faxes, including faxes saved in tiff format.