"Missing ImageLength filed" problem when requesting Tiff via MapServer

[Frank Warmerdam]

Henry Han wrote:
> Hi,
>
> I am trying to serve image via map server WMS. JPG, GIF, PNG all work
> well. But when I try "fomat=image/tiff", it does allow me to download
> and save the image, but I just can not open it. With GDAL gdalinfo to
> check the tiff image, it tells me following info.
>
> Error 1: MissingRequired: d:\temp\mapserv.tif: TIFF directory is missing
> requried "ImageLength" field
> GDALOpen failed -1

Henry,

This generally means your TIFF file is corrupt.  I would suggest you run
the tiffinfo command on your file (and perhaps tiffdump too) and then
take the issue to the TIFF mailing list (or to me privately).

Best regards,
--
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent