bwZoomHdr_t Struct Reference

BigWig files have multiple "zoom" levels, each of which has its own header. This hold those headers. More...

#include <bigWig.h>

Data Fields
uint32_t *	level
uint64_t *	dataOffset
uint64_t *	indexOffset
bwRTree_t **	idx

Detailed Description

BigWig files have multiple "zoom" levels, each of which has its own header. This hold those headers.

N.B., there's 4 bytes of padding in the on disk representation of level and dataOffset.

Field Documentation

dataOffset

uint64_t* bwZoomHdr_t::dataOffset

The offset to the on-disk start of the data. This isn't used currently.

idx

bwRTree_t** bwZoomHdr_t::idx

Index for each zoom level. Represented as a tree

indexOffset

uint64_t* bwZoomHdr_t::indexOffset

The offset to the on-disk start of the index. This is used.

level

uint32_t* bwZoomHdr_t::level

The zoom level, which is an integer starting with 0.

---

The documentation for this struct was generated from the following file:

• bigWig.h