Layout.Chunk (cdm-core 5.5.3 API)

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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	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
  - 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
  - getNelems
```
int getNelems()
```
    Get number of elements to transfer contiguously (Note: elements, not bytes)
    
    Returns:
    
    number of elements to transfer
  - 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)