the overlapping intervals of a querygops_merge.py $input1 $output -1 ${input1.metadata.chromCol},${input1.metadata.startCol},${input1.metadata.endCol},${input1.metadata.strandCol} $returntype
.. class:: infomark
**TIP:** If your query does not appear in the pulldown menu, it means that it is not in interval format. Use "edit attributes" to set chromosome, start, end, and strand columns.
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**Screencasts!**
See Galaxy Interval Operation Screencasts_ (right click to open this link in another window).
.. _Screencasts: http://bitbucket.org/galaxy/galaxy-central/wiki/GopsDesc
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This operation merges all overlapping intervals into single intervals.
**Example**
.. image:: ../static/operation_icons/gops_merge.gif