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structbwZoomHdr__t.html
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<title>libBigWig: bwZoomHdr_t Struct Reference</title>
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<a href="#pub-attribs">Data Fields</a> </div>
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<div class="title">bwZoomHdr_t Struct Reference</div> </div>
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<p>BigWig files have multiple "zoom" levels, each of which has its own header. This hold those headers.
<a href="structbwZoomHdr__t.html#details">More...</a></p>
<p><code>#include <<a class="el" href="bigWig_8h_source.html">bigWig.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a7045125541f372d6521700d6fff6d75f"><td class="memItemLeft" align="right" valign="top">uint32_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structbwZoomHdr__t.html#a7045125541f372d6521700d6fff6d75f">level</a></td></tr>
<tr class="separator:a7045125541f372d6521700d6fff6d75f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a49e66d83c3d0c381c647ce281a2ec80b"><td class="memItemLeft" align="right" valign="top">uint64_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structbwZoomHdr__t.html#a49e66d83c3d0c381c647ce281a2ec80b">dataOffset</a></td></tr>
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<tr class="memitem:a8d7a1c8741ecbecde64f462267f0f116"><td class="memItemLeft" align="right" valign="top">uint64_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structbwZoomHdr__t.html#a8d7a1c8741ecbecde64f462267f0f116">indexOffset</a></td></tr>
<tr class="separator:a8d7a1c8741ecbecde64f462267f0f116"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8bcd89608bfc17b5432d6ca9b2374d7a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structbwRTree__t.html">bwRTree_t</a> ** </td><td class="memItemRight" valign="bottom"><a class="el" href="structbwZoomHdr__t.html#a8bcd89608bfc17b5432d6ca9b2374d7a">idx</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>BigWig files have multiple "zoom" levels, each of which has its own header. This hold those headers. </p>
<p>N.B., there's 4 bytes of padding in the on disk representation of level and dataOffset. </p>
</div><h2 class="groupheader">Field Documentation</h2>
<a id="a49e66d83c3d0c381c647ce281a2ec80b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a49e66d83c3d0c381c647ce281a2ec80b">◆ </a></span>dataOffset</h2>
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<div class="memproto">
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<td class="memname">uint64_t* bwZoomHdr_t::dataOffset</td>
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<p>The offset to the on-disk start of the data. This isn't used currently. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8bcd89608bfc17b5432d6ca9b2374d7a">◆ </a></span>idx</h2>
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<td class="memname"><a class="el" href="structbwRTree__t.html">bwRTree_t</a>** bwZoomHdr_t::idx</td>
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<p>Index for each zoom level. Represented as a tree </p>
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<a id="a8d7a1c8741ecbecde64f462267f0f116"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8d7a1c8741ecbecde64f462267f0f116">◆ </a></span>indexOffset</h2>
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<td class="memname">uint64_t* bwZoomHdr_t::indexOffset</td>
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<p>The offset to the on-disk start of the index. This <em>is</em> used. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7045125541f372d6521700d6fff6d75f">◆ </a></span>level</h2>
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<td class="memname">uint32_t* bwZoomHdr_t::level</td>
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<p>The zoom level, which is an integer starting with 0. </p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="bigWig_8h_source.html">bigWig.h</a></li>
</ul>
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