org.lsst.ccs.drivers.reb

Class ImageClientDaq0

java.lang.Object

org.lsst.ccs.drivers.reb.ImageClientDaq0

public class ImageClientDaq0
extends Object

Java interface to the DAQ0 image client routines

Author:

Owen Saxton

Method Summary

Modifier and Type	Method and Description
void	deleteImageClient() Deletes an object.
void	deleteImageMetadataRef(Image image) Deletes an image's metadata reference.
boolean	getImage(Image image) Reads an image.
void	newImageClient(int id, String ifc) Creates a new object.
void	reset() Resets the front end system.
Image	waitForImage(Image image) Awaits an image.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

newImageClient

public void newImageClient(int id,
                           String ifc)

Creates a new object. Creates needed C++ objects.

Parameters:

id - The ID of the REB to connect to

ifc - The name of the network interface to use. If null or empty, the default interface is used.

deleteImageClient

public void deleteImageClient()

Deletes an object. Deletes referenced C++ objects.

waitForImage

public Image waitForImage(Image image)

Awaits an image. Waits until a new image has been generated.

Parameters:

image - An Image object in which to save the reference and metadata for the new image, or null if a new image object is to be created.

Returns:

The Image object containing the new image reference and metadata.

getImage

public boolean getImage(Image image)

Reads an image. Gets the pixel data for an image.

Parameters:

image - The Image object containing the valid metadata for an image. If the contained pixel data byte array is not null and is large enough, the pixel data us stored there. Otherwise a new array is created.

Returns:

True if the pixel data was successfully read, false otherwise.

reset

public void reset()

Resets the front end system.

deleteImageMetadataRef

public void deleteImageMetadataRef(Image image)

Deletes an image's metadata reference. Deletes referenced C++ object.

Parameters:

image - The image whose metadata reference is to be deleted.