ucar.nc2.iosp

Interface Layout.Chunk

All Known Subinterfaces:

LayoutBB.Chunk

All Known Implementing Classes:

IndexChunker.Chunk

Enclosing interface:

Layout

public static interface Layout.Chunk

A chunk of data that is contiguous in both the source and destination. Read nelems from src at filePos, store in destination at startElem. (or) Write nelems to file at filePos, from array at startElem.

Method Summary

Modifier and Type	Method and Description
long	getDestElem() Get starting element position as a 1D element index into the destination, eg the requested array with shape "wantSection".
int	getNelems() Get number of elements to transfer contiguously (Note: elements, not bytes)
long	getSrcPos() Get the position in source where to read or write: "file position"

Method Detail

getDestElem

long getDestElem()

Get starting element position as a 1D element index into the destination, eg the requested array with shape "wantSection".

Returns:

starting element in the array (Note: elements, not bytes)

getNelems

int getNelems()

Get number of elements to transfer contiguously (Note: elements, not bytes)

Returns:

number of elements to transfer

getSrcPos

long getSrcPos()

Get the position in source where to read or write: "file position"

Returns:

position as a byte count into the source, eg a file