The error you saw was generated by tabix (which is used for fast random access to interval files), so it's possible that you hit tabix's upper bound. You might consider following up with the tabix folks to see what the issue is. As you noted, your dataset is definitely better formatted as a wiggle/bigwig file. Best, J. On Oct 24, 2012, at 10:14 AM, Joachim Jacob wrote:

It appears the my interval file is too big, and actually in the wrong format: I think it would be better in wig (or other) format since I have only one bp intervals.

Anyway, I have pasted the first 500 000 lines of the output of a liftover file (which is in interval format). https://dl.dropbox.com/u/18352887/Galaxy48-%5BSelect_first_on_data_23%5D.int...

As you can see, every interval is only one bp long...

Thanks Joachim

On 10/24/2012 03:27 PM, Jeremy Goecks wrote:

...

Can you please share the datasets that are generating this errors?

Thanks, J.

On Oct 24, 2012, at 4:19 AM, Joachim Jacob wrote:

...

Hi all,

I want to view two interval-type datasets in trackster on genome hg19 together with one BAM dataset.

The interval datasets give an error (while the BAM is displayed nicely):

[ti_index_core] bug in BGZF: 80048ed5001b < ffff80048ed50000

Thanks for any input,

Joachim

-- Joachim Jacob, PhD

Rijvisschestraat 120, 9052 Zwijnaarde Tel: +32 9 244.66.34 Bioinformatics Training and Services (BITS) http://www.bits.vib.be @bitsatvib

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