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LSST Data Management Base Package
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Classes | |
class | Buffer |
class | DisplayImpl |
class | Ds9Error |
class | Ds9Event |
Functions | |
getXpaAccessPoint () | |
ds9Version () | |
selectFrame (frame) | |
ds9Cmd (cmd=None, trap=True, flush=False, silent=True, frame=None, get=False) | |
initDS9 (execDs9=True) | |
_i_mtv (data, wcs, title, isMask, metadata) | |
Variables | |
file | |
bool | needShow = True |
_maskTransparency = None | |
int | XPA_SZ_LINE = 4096 - 100 |
cmdBuffer | |
haveGzip = not os.system("gzip < /dev/null > /dev/null 2>&1") | |
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protected |
Internal routine to display an image or a mask on a DS9 display. Parameters ---------- data : Subclass of `lsst.afw.image.Image` or `lsst.afw.image.Mask` Data to display. wcs : `lsst.afw.geom.SkyWcs` WCS of data. title : `str` Title of display. isMask : `bool` Is ``data`` a mask? metadata : `lsst.daf.base.PropertySet` Additional metadata.
Definition at line 643 of file ds9.py.
lsst.display.ds9.ds9.ds9Cmd | ( | cmd = None, | |
trap = True, | |||
flush = False, | |||
silent = True, | |||
frame = None, | |||
get = False ) |
Issue a DS9 command, raising errors as appropriate. Parameters ---------- cmd : `str`, optional Command to execute. trap : `bool`, optional Trap errors. flush : `bool`, optional Flush the output. silent : `bool`, optional Do not print trapped error messages. frame : `int`, optional Frame number on which to execute command. get : `bool`, optional Return xpa response.
Definition at line 227 of file ds9.py.
lsst.display.ds9.ds9.ds9Version | ( | ) |
Get the version of DS9 in use. Returns ------- version : `str` Version of DS9 in use.
Definition at line 91 of file ds9.py.
lsst.display.ds9.ds9.getXpaAccessPoint | ( | ) |
Parse XPA_PORT if set and return an identifier to send DS9 commands. Returns ------- xpaAccessPoint : `str` Either a reference to the local host with the configured port, or the string ``"ds9"``. Notes ----- If you don't have XPA_PORT set, the usual xpans tricks will be played when we return ``"ds9"``.
Definition at line 63 of file ds9.py.
lsst.display.ds9.ds9.initDS9 | ( | execDs9 = True | ) |
Initialize DS9. Parameters ---------- execDs9 : `bool`, optional If DS9 is not running, attempt to execute it.
Definition at line 283 of file ds9.py.
lsst.display.ds9.ds9.selectFrame | ( | frame | ) |
Convert integer frame number to DS9 command syntax. Parameters ---------- frame : `int` Frame number Returns ------- frameString : `str`
Definition at line 212 of file ds9.py.
lsst.display.ds9.ds9.haveGzip = not os.system("gzip < /dev/null > /dev/null 2>&1") |