[FWTools] Overviews using TIFF? TIFF size error ... Need BIGTiff?

[Lance Dyas]

Something I probably failed to mention these are external Overviews
built associated with a VRT...( ie the original format doesnt support
the construction of pyramids ) there doesnt seem to be a reason
not to assume a BigTiff 

Lance Dyas wrote:
> Not sure if this is the right group to ask.....
> GDal supports BIGTIFF  atleast in gdal_translate
> http://resenhagis-en.blogspot.com/2008/04/gdal-with-bigtiff-support.html
> but Apparently based on errors I am getting the BuildOverviews method 
> on a dataset doesnt use it?
>
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: GetBlockRef failed at X block offset 1, Y block offset 191
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: GetBlockRef failed at X block offset 2, Y block offset 191
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: GetBlockRef failed at X block offset 3, Y block offset 191
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: GetBlockRef failed at X block offset 4, Y block offset 191
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: TIFFAppendToStrip:Maximum TIFF file size exceeded
> ERROR 1: GetBlockRef failed at X block offset 5, Y block offset 191
>
> is there an option to force it to BIGTIFF in this context
>
> Im still wondering if there is another way to get nice subsampling..
> when reading from an image and writing to a smaller one besides
> creating the Overviews..
>
>
>
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