zoom-cache

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A streamable, seekable, zoomable cache file format; Haskell library and tools.

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zoom-cache: A streamable, seekable, zoomable cache file format
==============================================================

[![Build Status](https://secure.travis-ci.org/kfish/zoom-cache.png)](http://travis-ci.org/kfish/zoom-cache)

These are some of the goals of the zoom-cache format:

Writing
-------

* can be written to in streaming manner, with no backseeking

Reading
-------

* can be read in one pass with no backseeking
    * can be seeked on time-wise
    * sections can be extracted
    * can be read at varying zoom levels

Data
----

* Support multiple data types (float/double, int, bool, char)
    * support multiple aggregation types for zooming (min/max, mean, rms, all/any,
        text summary)
    * Constant or variable bitrates streams

Library
-------

* Simple stream writing interface
    * Simple stream reading interface
    * Read seek interface
    * Read set-zoom-level interface

Tools
-----

* Verification
    * Info

Interleaved streams
-------------------

* Sync points

Index files
-----------

* A documented way of generating time index files

Exploded form
-------------

* one file per stream

zoom-cache

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