lsst.display.ds9.ds9.Buffer Class Reference

Public Member Functions
	__init__ (self, size=0)
	set (self, size, silent=True)
	pushSize (self, size=-1)
	popSize (self)
	flush (self, silent=True)

Protected Member Functions
	_getSize (self)

Protected Attributes
str	_commands = ""
	_lenCommands = len(self._commands)
list	_bufsize = []

Detailed Description

Buffer to control sending commands to DS9.

Notes
-----
The usual usage pattern is:

>>> with ds9.Buffering():
...     # bunches of ds9.{dot,line} commands
...     ds9.flush()
...     # bunches more ds9.{dot,line} commands

Definition at line 113 of file ds9.py.

Constructor & Destructor Documentation

__init__()

lsst.display.ds9.ds9.Buffer.__init__	(		self,
			size = 0 )

Definition at line 126 of file ds9.py.

Member Function Documentation

_getSize()

lsst.display.ds9.ds9.Buffer._getSize ( self )

protected

Get the current DS9 buffer size.

Returns
-------
size : `int`
    Size of buffer.

Definition at line 160 of file ds9.py.

flush()

lsst.display.ds9.ds9.Buffer.flush	(		self,
			silent = True )

Flush the pending commands.

Parameters
----------
silent : `bool`, optional
    Do not print error messages.

Definition at line 199 of file ds9.py.

popSize()

lsst.display.ds9.ds9.Buffer.popSize

(

self

)

Switch back to the previous command buffer size.

Notes
-----
See also `pushSize`.

Definition at line 187 of file ds9.py.

pushSize()

lsst.display.ds9.ds9.Buffer.pushSize	(		self,
			size = -1 )

Replace current DS9 command buffer size.

Parameters
----------
size : `int`, optional
    Size of buffer. A negative value sets the largest possible
    buffer.

Notes
-----
See also `popSize`.

Definition at line 170 of file ds9.py.

set()

lsst.display.ds9.ds9.Buffer.set	(		self,
			size,
			silent = True )

Set the ds9 buffer size to size.

Parameters
----------
size : `int`
    Size of buffer. Requesting a negative size provides the
    largest possible buffer given bugs in xpa.
silent : `bool`, optional
    Do not print error messages (default `True`).

Definition at line 133 of file ds9.py.

Member Data Documentation

_bufsize

lsst.display.ds9.ds9.Buffer._bufsize = []

protected

Definition at line 129 of file ds9.py.

_commands

str lsst.display.ds9.ds9.Buffer._commands = ""

protected

Definition at line 127 of file ds9.py.

_lenCommands

lsst.display.ds9.ds9.Buffer._lenCommands = len(self._commands)

protected

Definition at line 128 of file ds9.py.

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

• python/lsst/display/ds9/ds9.py