visad.data

Interface FormBlockReader

All Known Implementing Classes:

AVIForm, BioRadForm, BioRadForm, DeltavisionForm, FluoviewTiffForm, GatanForm, ICSForm, ImageProSeqForm, IPLabForm, IPWForm, LegacyTiffForm, LegacyZVIForm, LeicaForm, LociForm, MetamorphForm, OpenlabForm, PerkinElmerForm, PictForm, QTForm, TiffForm, ZeissForm, ZVIForm

public interface FormBlockReader

FormBlockReader is the VisAD interface for reading in subsets of data, or "blocks," from a data file.

Method Summary

Modifier and Type	Method and Description
void	close() Closes any open files.
int	getBlockCount(String id) Determines the number of blocks in the given file.
DataImpl	open(String id, int block_number) Obtains the specified block from the given file.

Method Detail

open

DataImpl open(String id,
              int block_number)
       throws BadFormException,
              IOException,
              VisADException

Obtains the specified block from the given file.

Parameters:

id - The file from which to load data blocks.

block_number - The block number of the block to load.

Throws:

VisADException - If the block number is invalid.

BadFormException

IOException

getBlockCount

int getBlockCount(String id)
           throws BadFormException,
                  IOException,
                  VisADException

Determines the number of blocks in the given file.

Parameters:

id - The file for which to get a block count.

Throws:

BadFormException

IOException

VisADException

close

void close()
    throws BadFormException,
           IOException,
           VisADException

Closes any open files.

Throws:

BadFormException

IOException

VisADException