Man page - ds9(1)

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Manual

DS9

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
FILES
AUTHOR
SEE ALSO

NAME

ds9 - image tool for astronomy

SYNOPSIS

ds9 [ options ]

DESCRIPTION

DS9 DS9 is the modern image tool used by astronomers for visualization of astronomical data. It supports a plethora of command line options, which may be used in a script-like fashion. An instance of the program is entirely controllable from the commandline with the XPA tools.

OPTIONS

-analysis

histogram save

ds9 -region composite

ds9 -region dissolve

ds9 -region template foo.tpl

ds9 -region template foo.tpl at 13:29:55.92 +47:12:48.02 fk5

ds9 -region savetemplate foo.tpl

ds9 -region group new

ds9 -region group foo new

ds9 -region group foo update

ds9 -region group foo select

ds9 -region group foo color red

ds9 -region group foo copy

ds9 -region group foo delete

ds9 -region group foo cut

ds9 -region group foo font ’times 14 bold’

ds9 -region group foo move 100 100

ds9 -region group foo movefront

ds9 -region group foo moveback

ds9 -region group foo property delete no

ds9 -region copy

ds9 -region cut

ds9 -region paste wcs

ds9 -region undo

ds9 -region open

ds9 -region close
red For RGB frames, sets the current color channel to red.

Syntax

-red

Example:

ds9 -rgb -red foo.fits
restore Restore DS9 to a previous state from a backup save set.

Syntax

-restore <filename>

Example:

ds9 -restore ds9.bck
rgb Create RGB frame and control RGB frame parameters.

Syntax

-rgb []
[red| green| blue]
[channel [red| green| blue] ]
[view [red| green| blue] [yes| no] ]
[system <coordsys> ]
[lock wcs| crop| slice| bin| scale| scalelimits| colorbar| block| smooth [yes| no] ]
[open| close]

Example:

ds9 -rgb # create new rgb frame

ds9 -rgb red # set current channel to red

ds9 -rgb channel red # set current channel to red

ds9 -rgb view blue no # turn off blue channel

ds9 -rgb system wcs # set rgb coordinate system

ds9 -rgb lock wcs yes

ds9 -rgb lock crop yes

ds9 -rgb lock slice yes

ds9 -rgb lock bin yes

ds9 -rgb lock scale yes

ds9 -rgb lock scalelimits yes

ds9 -rgb lock colorbar yes

ds9 -rgb lock block yes

ds9 -rgb lock smooth yes

ds9 -rgb open

ds9 -rgb close
rgbarray Load raw data array cube into rgb frame.

Syntax

-rgbarray <filename> [[xdim=<x> , ydim=<y> | dim=<dim> ] , [zdim=3] , bitpix=<b> , skip=<s> , endian=[little| big] ]

Example:

ds9 -rgbarray foo.arr[dim=512, zdim=3, bitpix=-32, endian=little]
$cat foo.arr | ds9 -rgbarray -[dim=512, zdim=3, bitpix=-32, endian=little] rgbcube Load FITS rgbcube into rgb frame.

Syntax

-rgbcube <filename>

Example:

ds9 -rgbcube foo.fits
$cat foo.fits | ds9 -rgbcube - rgbimage Load FITS rgbimage into rgb frame.

Syntax

-rgbimage <filename>

Example:

ds9 -rgbimage foo.fits
$cat foo.fits | ds9 -rgbimage - rotate Controls the rotation angle (in degrees) of the current frame.<

Syntax

-rotate [<value> ]
[to <value> ]
[open| close]

Example:

ds9 -rotate 45

ds9 -rotate to 30

ds9 -rotate open

ds9 -rotate close
samp Configure SAMP protocol.

Syntax

-samp [yes| no]
| client [yes| no] ]
| hub [yes| no] ]
| web hub [yes| no] ]
| connect| disconnect]
[broadcast [image| table] ]
[send [image| table] <application> ]
[hub [start| stop| info] ]

Example:

ds9 -samp yes

ds9 -samp connect

ds9 -samp broadcast

ds9 -samp broadcast table

ds9 -samp send table

ds9 -samp send table topcat

ds9 -samp hub info
saturation For HLS and HSV frames, sets the current color channel to saturation.

Syntax

-saturation

Example:

ds9 -hsv -saturation foo.fits
save Save loaded image data of current frame as FITS.

Syntax

-save[fits| rgbimage| rgbcube| mecube| mosaic| mosaicimage] <filename> [image| table| slice]

Example:

ds9 -save foo.fits

ds9 -save fits foo.fits image

ds9 -save fits foo.fits table

ds9 -save fits foo.fits slice

ds9 -save rgbimage foo.fits

ds9 -save rgbcube foo.fits

ds9 -save mecube foo.fits

ds9 -save mosaic foo.fits

ds9 -save mosaicimage foo.fits
saveimage Create a snap shot of the current DS9 window and save in specified image format. If no format specified, the file name extension is used to determine the output format. Optional parameters: jpeg quality int(1-100) and tiff compression method.

Syntax

-saveimage[fits| eps| gif| tiff| jpeg| png] <filename> -saveimage <filename> .jpeg [int(1-100)] -saveimage <filename> .tiff [none| jpeg| packbits| deflate]

Example:

ds9 -saveimage ds9.tiff

ds9 -saveimage jpeg ds9.jpeg 75
scale Controls the limits and color scale distribution.

Syntax

-scale [linear| log| pow| sqrt| squared| asinh| sinh| histequ]
[log exp <value> ]
[datasec yes| no]
[limits <minvalue> <maxvalue> ]
[mode minmax| <value> | zscale| zmax]
[scope local| global]
[match]
[match limits]
[lock [yes| no] ]
[lock limits [yes| no] ]
[open| close]

Example:

ds9 -scale linear

ds9 -scale log exp 100

ds9 -scale datasec yes

ds9 -scale histequ

ds9 -scale limits 1 100

ds9 -scale mode zscale

ds9 -scale mode 99.5

ds9 -scale scope local

ds9 -scale match

ds9 -scale match limits

ds9 -scale lock yes

ds9 -scale lock limits yes

ds9 -scale open

ds9 -scale close
shm Load a shared memory segment into the current frame.

Syntax

-shm [<key> [<filename> ] ]
[key <id> [<filename> ] ]
[shmid <id> [<filename> ] ]
[fits [key| shmid] <id> [<filename> ] ]
[mosaicimage [iraf| wcs| wcsa...wcsz| wfpc2] [key| shmid] <id> [<filename> ] ]
[mosaic [iraf| wcs| wcsa...wcsz] [key| shmid] <id> [<filename> ] ]
[rgbcube [key| shmid] <id> [<filename> ] ]
[rgbimage [key| shmid] <id> [<filename> ] ]
[rgbarray [key| shmid] <id> [xdim=<x> , ydim=<y> | dim=<dim> , zdim=3] , bitpix=<b> , [skip=<s> ] ]
[array [key| shmid] <id> [xdim=<x> , ydim=<y> | dim=<dim> ] , bitpix=<b> , [skip=<s> ] ]

Example:

ds9 -shm 102

ds9 -shm key 102

ds9 -shm shmid 102 foo

ds9 -shm fits 100 foo

ds9 -shm mosaicimage iraf key 100 foo

ds9 -shm mosaicimage wcs key 100 foo

ds9 -shm mosaicimage wcsa key 100 foo

ds9 -shm mosaicimage wfpc2 key 100 foo

ds9 -shm mosaic iraf key 100 foo

ds9 -shm mosaic wcs key 100 foo

ds9 -shm rgbcube key 100 foo

ds9 -shm rgbimage key 100 foo

ds9 -shm rgbarray shmid 102 [dim=32, zdim=3, bitpix=-32]

ds9 -shm array shmid 102 [dim=32, bitpix=-32]
sia Support for VO Simple Image Access protocol. The first command will create a new search. All other commands operated on the last search created, unless indicated otherwise via current command.

Syntax

-sia[2mass| akari| astrowise| cadc| cxc| hla| mast| sdss| skyview| tgssadr]
[cancel]
[clear]
[close]
[save <filename> ]
[export rdb| tsv <filename> ]
[coordinate <ra> <dec> <coordsys> ]
[crosshair]
[current <ref> ]
[name <object> ]
[print]
[retrieve]
[radius <value> degrees| arcmin| arcsec]
[sky <skyframe> ]
[skyformat <skyformat> ]
[system <coordsys> ]
[update]

Example:

ds9 -sia 2mass

ds9 -sia cancel

ds9 -sia clear

ds9 -sia close

ds9 -sia coordinate 202.48 47.21 fk5

ds9 -sia crosshair

ds9 -sia current 2mass

ds9 -sia export tsv bar.tsv

ds9 -sia name m51

ds9 -sia print

ds9 -sia retrieve

ds9 -sia save foo.xml

ds9 -sia radius 1 degrees

ds9 -sia sky fk5

ds9 -sia skyformat degrees

ds9 -sia system wcs

ds9 -sia update
single Set display mode to single.

Syntax

-single

Example:

ds9 -single
skyview Support for SkyView image server at HEASARC.

Syntax

-skyview []
[<object> ]
[name <object> | clear]
[<ra> <dec> ] # in wcs fk5
[size <width> <height> degrees| arcmin| arcsec]
[pixels <width> <height> ]
[save yes| no]
[frame new| current]
[update frame| crosshair]
[survey <survey> ]
[open| close]

Example:

ds9 -skyview

ds9 -skyview m31

ds9 -skyview name m31

ds9 -skyview name clear

ds9 -skyview 00:42:44.404 +41:16:08.78

ds9 -skyview size 60 60 arcmin

ds9 -skyview pixels 600 600

ds9 -skyview save yes

ds9 -skyview frame current

ds9 -skyview update frame

ds9 -skyview survey sdssi

ds9 -skyview open

ds9 -skyview close
sleep Delays execution for specified number of seconds. Default is 1 second.

Syntax

-sleep [#]

Example:

ds9 -sleep

ds9 -sleep 2
slice noslice Indicates next files loaded are to treated as slices of a cube. Can be disabled with noslice command.

Syntax

-slice <filename> -noslice

Example:

ds9 -slice *.fits

ds9 -noslice
smooth Smooth current image or set smooth parameters. Boxcar width =2*radius+1 Tophat diameter =2*radius+1 Gaussian diameter =2*radius+1, mean=0 Elliptical Gaussian diameter =2*radius+1, mean=0

Syntax

-smooth []
[yes| no]
[function boxcar| tophat| gaussian| elliptic]
[radius <value> ]
[radiusminor <value> ]
[sigma <value> ]
[sigmaminor <value> ]
[angle <value> ]
[match]
[lock [yes| no] ]
[open| close]

Example:

ds9 -smooth

ds9 -smooth yes

ds9 -smooth function tophat

ds9 -smooth radius 4

ds9 -smooth radiusminor 4

ds9 -smooth sigma 2.0

ds9 -smooth sigmaminor 2.0

ds9 -smooth angle 45

ds9 -smooth match

ds9 -smooth lock yes

ds9 -smooth open

ds9 -smooth close
squared Select squared scale function for the current frame.

Syntax

-squared

Example:

ds9 -squared
sqrt Select square soot scale function for the current frame.

Syntax

-sqrt

Example:

ds9 -sqrt
source Source TCL code from a file.

Syntax

-source <filename>

Example:

ds9 -source extensions.tcl
tcl Execute one TCL command. Note: this a different behavior from previous versions of DS9.

Syntax

-tcl <tcl command>

Example:

ds9 -tcl ’puts "Hello, World"’
tiff Load TIFF image into current frame.

Syntax

-tiff <filename>

Example:

ds9 -tiff foo.tiff
$cat foo.fits | ds9 -tiff - tile Controls the tile display mode.

Syntax

-tile []
[yes| no]
[mode grid| column| row]
[grid]
[grid mode automatic| manual]
[grid direction x| y]
[grid layout <col> <row> ]
[grid gap <pixels> ]
[row]
[column]

Example:

ds9 -tile

ds9 -tile yes

ds9 -tile mode row

ds9 -tile grid

ds9 -tile grid mode manual

ds9 -tile grid direction x

ds9 -tile grid layout 5 5

ds9 -tile grid gap 10

ds9 -tile row

ds9 -tile column
title Changes the display window title to the specified name.

Syntax

-title name

Example:

ds9 -title Voyager
unix Set the IRAF unix socket name, used by IRAF to communicate with DS9. The default is /tmp/.IMT%d, so that the standard IRAF unix socket is defined.

Syntax

-unix name

Example:

ds9 -unix "/tmp/.IMT%d"
unix_only Only use the IRAF unix socket name. This is the same as -fifo none -port 0.

Syntax

-unix_only

Example:

ds9 -unix_only
update Updates the current frame or region of frame. In the second form, the first argument is the number of the fits HDU (starting with 1) and the remaining args are a bounding box in IMAGE coordinates. By default, the screen is updated the next available idle cycle. However, you may force an immediate update by specifying the NOW option.

Syntax

-update []
[# x1 y1 x2 y2]
[now]
[now # x1 y1 x2 y2]

Example:

ds9 -update

ds9 -update 1 100 100 300 400

ds9 -update now

ds9 -update now 1 100 100 300 400
url Load FITS from URL into the current frame

Syntax

-url <url>

Example:

ds9 -url http://foo.bar.edu/foo.fits
value For HSV frames, sets the current color channel to value.

Syntax

-value

Example:

ds9 -hsv -value foo.fits
version Returns the current version of DS9 and exits.

Syntax

-version

Example:

ds9 -version
view Controls the GUI.

Syntax

-view [layout horizontal| vertical| basic| advanced]
[multi yes| no]
[keyvalue <string> ]
[info yes| no]
[panner yes| no]
[magnifier yes| no]
[buttons yes| no]
[icons yes| no]
[colorbar yes| no]
[graph horizontal| vertical yes| no]
[filename yes| no]
[object yes| no]
[keyword yes| no]
[minmax yes| no]
[lowhigh yes| no]
[units yes| no]
[image| physical| wcs| wcsa...wcsz yes| no]
[frame yes| no]
[rgb red yes| no]
[rgb green yes| no]
[rgb blue yes| no]
[hls hue yes| no]
[hls lightness yes| no]
[hls saturation yes| no]
[hsv hue yes| no]
[hsv saturation yes| no]
[hsv value yes| no]

Example:

ds9 -view layout vertical

ds9 -view multi yes

ds9 -view keyvalue BITPIX

ds9 -view info yes

ds9 -view panner yes

ds9 -view magnifier yes

ds9 -view buttons yes

ds9 -view icons yes

ds9 -view colorbar yes

ds9 -view graph horizontal yes

ds9 -view filename yes

ds9 -view object yes

ds9 -view keyword yes

ds9 -view minmax yes

ds9 -view lowhigh yes

ds9 -view wcsa yes

ds9 -view frame yes

ds9 -view rgb red yes
visual Force DS9 to use the specified color visual. This argument MUST be the first argument listed. Requires the visual be available.

Syntax

-visual [truecolor| truecolor8| truecolor16| truecolor24]

Example:

ds9 -visual truecolor24
vla Support for VLA Sky Survey.

Syntax

-vla []
[<object> ]
[name <object> | clear]
[<ra> <dec> ] # in wcs fk5
[size <width> <height> degrees| arcmin| arcsec]
[save yes| no]
[frame new| current]
[update frame| crosshair]
[survey first| stripe82]
[open| close]

Example:

ds9 -vla

ds9 -vla m31

ds9 -vla name m31

ds9 -vla name clear

ds9 -vla 00:42:44.404 +41:16:08.78

ds9 -vla size 60 60 arcmin

ds9 -vla save yes

ds9 -vla frame current

ds9 -vla update frame

ds9 -vla survey stripe82

ds9 -vla open

ds9 -vla close
vlss Support for NRAO VLSS Sky Survey.

Syntax

-vlss []
[<object> ]
[name <object> | clear]
[<ra> <dec> ] # in wcs fk5
[size <width> <height> degrees| arcmin| arcsec]
[save yes| no]
[frame new| current]
[update frame| crosshair]
[open| close]

Example:

ds9 -vlss

ds9 -vlss m31

ds9 -vlss name m31

ds9 -vlss name clear

ds9 -vlss 00:42:44.404 +41:16:08.78

ds9 -vlss size 60 60 arcmin

ds9 -vlss save yes

ds9 -vlss frame current

ds9 -vlss update frame

ds9 -vlss open

ds9 -nvess close
vo Invoke an connection to a Virtual Observatory site.

Syntax

-vo [method xpa| mime]
[server <url> ]
[internal yes| no]
[delay #]
[<url> ]
[connect <url> ]
[disconnect <url> ]
[open| close]

Example:

ds9 -vo method xpa

ds9 -vo server "http://foo.bar.edu/list.txt"

ds9 -vo internal yes

ds9 -vo delay 15 # keep-alive delay

ds9 -vo chandra-ed

ds9 -vo connect chandra-ed

ds9 -vo disconnect chandra-ed

ds9 -vo open

ds9 -vo close
wcs Controls the World Coordinate System for the current frame. If the wcs system, skyframe, or skyformat is modified, the info panel, compass, grid, and

-mecube

<filename>

Example:

ds9 -mecube foo.fits
$cat foo.fits | ds9 -mecube -
minmax
This is how DS9 determines the min and max data values from the
data. SCAN will scan all data.

Syntax

-minmax [scan| sample| datamin| irafmin]
[mode scan| sample| datamin| irafmin]
[interval #]
[rescan]

Example:

ds9 -minmax scan

ds9 -minmax mode scan

ds9 -minmax interval 100

ds9 -minmax rescan
mode
Select the current mode.

Syntax

-mode
[none| region| crosshair| colorbar| pan| zoom| rotate| catalog| examine| 3d]

Example:

ds9 -mode crosshair
mosaic
Load FITS mosaic segment into current frame.

Syntax

-mosaic [wcs| wcsa...wcsz| iraf] <filename>

Example:

ds9 -mosaic foo.fits

ds9 -mosaic wcs foo.fits
$cat foo.fits | ds9 -mosaic -
$cat foo.fits | ds9 -mosaic wcs -
mosaicimage
Load FITS mosaic image into current frame.

Syntax

-mosaicimage [wcs| wcsa...wcsz| iraf| wfpc2] <filename>

Example:

ds9 -mosaicimage foo.fits

ds9 -mosaicimage wcs foo.fits
$cat foo.fits | ds9 -mosaicimage
$cat foo.fits | ds9 -mosaiimage wcs
movie
Create a movie from snap shots of the DS9 window. A slice movie
cycles though all slices of a cube. A frame movie cycles through all
active frames. A 3d movie cycles through specified viewing angles.
The default action is slice. Movie types are either MPEG or Animated
GIF, with default MPEG. Optional parameters for 3d: number of frames,
azimuth from/to, elevation from/to, slice from/to, oscillate/repeat
times.

Syntax

-movie [slice| frame] [mpeg| gif <delay> blink| fade] <filename>
-movie 3d [mpeg| gif <delay> ] <filename> [number| az from| az to| el
from| el to| slice from| slice to| zoom from| zoom to| oscillate| repeat
<#> ]

Example:

ds9 -movie slice mpeg ds9.mpg

ds9 -movie frame gif ds9.gif

ds9 -movie frame gif 100 fade ds9.gif

ds9 -movie 3d mpeg ds9.mpg number 10 az from -60 az to 60 oscillate
1
msg
Specify a directory of translation tables to be loaded.

Syntax

-msg <directory>

Example:

ds9 -msg $HOME/msgs
multiframe
Load FITS multiple extension file as multiple images.

Syntax

-multiframe

<filename>

Example:

ds9 -multiframe foo.fits
$cat foo.fits | ds9 -multiframe -
nameserver
Support Name Server functions. Coordinates are in fk5.

Syntax

-nameserver [<object> ]
[name <object> ]
[skyformat degrees| sexagesimal]
[pan]
[crosshair]
[open| close]

Example:

ds9 -nameserver m31

ds9 -nameserver name m31

ds9 -nameserver server ned-sao

ds9 -nameserver skyformat sexagesimal

ds9 -nameserver pan

ds9 -nameserver crosshair

ds9 -nameserver open

ds9 -nameserver close
notes
Display Notebook.

Syntax

-notes

[<string> ]

[append <string> ]
[insert <string> ]
[clear]
[load <filename> ]
[save <filename> ]
[open| close]

Example:

ds9 -notes ’Hello World’

ds9 -notes append ’Hello World’

ds9 -notes insert ’Hello World’

ds9 -notes clear

ds9 -notes load foo.txt

ds9 -notes save foo.txt

ds9 -notes open

ds9 -notes close
nrrd
Load an NRRD (Nearly Raw Raster Data) file.

Syntax

-nrrd <filename>

Example:

ds9 -nrrd foo.nrrd
$cat foo.nrrd | xpaset ds9 -nrrd-
nvss
Support for NRAO VLA Sky Survey.

Syntax

-nvss []
[<object> ]
[name <object> | clear]
[<ra> <dec> ] # in wcs fk5
[size <width> <height> degrees| arcmin| arcsec]
[save yes| no]
[frame new| current]
[update frame| crosshair]
[open| close]

Example:

ds9 -nvss

ds9 -nvss m31

ds9 -nvss name m31

ds9 -nvss name clear

ds9 -nvss 00:42:44.404 +41:16:08.78

ds9 -nvss size 60 60 arcmin

ds9 -nvss save yes

ds9 -nvss frame current

ds9 -nvss update frame

ds9 -nvss open

ds9 -nvess close
orient
Controls the orientation of the current frame.

Syntax

-orient [none| x| y| xy]
[open| close]

Example:

ds9 -orient xy

ds9 -orient open

ds9 -orient close
pagesetup
Controls Page Setup options.

Syntax

-pagesetup [orient portrait| landscape]
[scale <numberic> ]
[size letter| legal| tabloid| poster| a4]

Example:

ds9 -pagesetup orient portrait

ds9 -pagesetup scale 50

ds9 -pagesetup size poster
pan
Controls the current image cursor location for the current frame.

Syntax

-pan [<x> <h> <coordsys> [<skyframe> ] ] # relative
[to <x> <h> <coordsys> [<skyframe> ] ] # absolute
[open| close]

Example:

ds9 -pan 200 200 image# pan relative

ds9 -pan to 400 400 physical# pan to physical coords

ds9 -pan to 13:29:55 47:11:50 wcs fk# pan to wcs coords

ds9 -pan open

ds9 -pan close
pixeltable
Display/Hide the pixel table.

Syntax

-pixeltable []
[yes| open]
[no| close]

Example:

ds9 -pixeltable

ds9 -pixeltable yes

ds9 -pixeltable open

ds9 -pixeltable close
plot
Display and configure data plots. The last plot created is assumed.
Plot data is assumed to be a pair of coordinates, with optional error

-plot

[line| bar [<ref> ] ]

[line| bar [<ref> ] <title> <xaxis label> <yaxis label>
xy| xyex| xyey| xyexey]
# create new plot from data file
plot [line| bar <filename> [<ref> ] xy| xyex| xyey| xyexey]
[line| bar <filename> [<ref> ] <title> <xaxis label> <yaxis label>
xy| xyex| xyey| xyexey]
# existing plot
plot [gui]
[load <filename> xy| xyex| xyey| xyexey]
[save <filename> ]
[current <ref> ]
[layout grid| row| column| strip]
[layout strip scale <percent> ]
[add graph line| bar]
[current graph <graph> ]
[delete graph]
[current dataset <dataset> ]
[delete dataset]
[duplicate]
[stats yes| no]
[list yes| no]
[backup <filename> ]
[restore <filename> ]
[pagesetup orient portrait| landscape]
[pagesetup size letter| legal| tabloid| poster| a4]
[print]
[print destination printer| file]
[print command <command> ]
[print filename <filename> ]
[print color rgb| gray]
[close]
[mode pointer| zoom]
# export
plot [export <filename> ]
[export eps| gif| tiff| jpeg| png <filename> ]
[export jpeg <filename> [int(1-100)] ]
[export tiff <filename> none| jpeg| packbits| deflate] ]
# configure graph
plot [axis x| y grid yes| no]
[axis x| y log yes| no]
[axis x| y flip yes| no]
[axis x| y auto yes| no]
[axis x| y min <value> ]
[axis x| y max <value> ]
[axis x| y format <string> ]
[background <value> ]
[legend yes| no]
[legend position right| left| top| bottom| plotarea]
[font title| labels| numbers font times| helvetica| courier]
[font title| labels| numbers size <value> ]
[font title| labels| numbers weight normal| bold]
[font title| labels| numbers slant roman| italic]
[title <string> ]
[title x| y <string> ]
# dataset
plot [show yes| no]
[name <string> ]
# line dataset
plot [line smooth step| linear| cubic| quadratic| catrom]
[line color <value> ]
[line width <value> ]
[line dash yes| no]
[line fill yes| no]
[line fill color <value> ]
[line shape symbol
none| circle| square| diamond| plus| splus| scross| triangle| arrow]
[line shape size <integer> ]
[line shape color <value> ]
[line shape fill yes| no]
# bar dataset
plot [bar border color <value> ]
[bar border width <value> ]
[bar fill yes| no]
[bar color <value> ]
[bar width <value> ]
# error bar
plot [error yes| no]
[error color <value> ]
[error cap yes| no]
[error width <value> ]

Example:

# create new empty plot window

ds9 -plot line

ds9 -plot bar
# create new plot from data file

ds9 -plot line xy.dat xy

ds9 -plot line xy.dat ’The Title’ ’X Axis’ ’Y Axis’ xy
# existing plot

ds9 -plot gui

ds9 -plot load xy.dat xy

ds9 -plot save foo.dat

ds9 -plot current foo

ds9 -plot layout strip

ds9 -plot layout strip scale 30

ds9 -plot add graph bar

ds9 -plot current graph 1

ds9 -plot delete graph

ds9 -plot current dataset 1

ds9 -plot delete dataset

ds9 -plot duplicate

ds9 -plot stats yes

ds9 -plot list yes

ds9 -plot backup foo.bck

ds9 -plot restore foo.bck

ds9 -plot pagesetup orient portrait

ds9 -plot pagesetup size letter

ds9 -plot print

ds9 -plot print destination file

ds9 -plot print command lp

ds9 -plot print filename foo.ps

ds9 -plot print color rgb

ds9 -plot close

ds9 -plot mode pointer
# export plot

ds9 -plot export tiff foo.tiff jpeg

ds9 -plot export jpeg foo.jpeg 75

ds9 -plot export png foo.png
# configure graph

ds9 -plot axis x grid yes

ds9 -plot axis x log yes

ds9 -plot axis x flip yes

ds9 -plot axis x auto no

ds9 -plot axis x min 1

ds9 -plot axis x max 100

ds9 -plot axis x format ’%f’

ds9 -plot background white

ds9 -plot legend yes

ds9 -plot legend position left

ds9 -plot font numbers font times

ds9 -plot font numbers size 12

ds9 -plot font numbers weight bold

ds9 -plot font numbers slant italic

ds9 -plot title ’This is a Title’

ds9 -plot title x ’X Axis’

ds9 -plot title y ’Y Axis’

ds9 -plot title legend ’This is the Legend’
# configure current dataset

ds9 -plot show yes

ds9 -plot name ’My Data’
# line dataset

ds9 -plot line smooth step

ds9 -plot line color red

ds9 -plot line width 2

ds9 -plot line dash yes

ds9 -plot line fill no

ds9 -plot line fill color red

ds9 -plot line shape symbol circle

ds9 -plot line shape size 5

ds9 -plot line shape color cyan

ds9 -plot line shape fill no
# bar dataset

ds9 -plot bar border color red

ds9 -plot bar border width 2

ds9 -plot bar fill no

ds9 -plot bar color red

ds9 -plot bar width 10

ds9 -plot error yes

ds9 -plot error color red

ds9 -plot error cap yes

ds9 -plot error width 2
png Load PNG image into current frame.

Syntax

-png <filename>

Example:

ds9 png foo.png
$cat foo.png | ds9 -png - port Set the IRAF port number, used by IRAF to communicate with DS9. The default is 5137, the standard IRAF port used by ximtool.

Syntax

-port number

Example:

ds9 -port 5137
port_only inet_only Only use the IRAF port number. This is the same as -fifo none -unix none.

Syntax

-port_only

Example:

ds9 -port_only
pow Select power scale function for the current frame.

Syntax

-pow

Example:

ds9 -pow
prefs Controls various preference settings.

Syntax

-prefs [open]
[save]
[clear]
[close]
[bg color yes| no]
[bg color <color> ]
[nan color <color> ]
[precision <linear> <degree> <hms> <dms> <len linear> <len degree> <len arcmin> <len arcsec> <angle> ]
[theme <theme> ]
[threads <numeric> ]
[irafalign yes| no]

Example:

ds9 -prefs open

ds9 -prefs save

ds9 -prefs clear

ds9 -prefs close

ds9 -prefs bg color no

ds9 -prefs bg color red

ds9 -prefs nan color blue

ds9 -prefs precision 8 7 4 3 8 7 5 3 8

ds9 -prefs theme radiance

ds9 -prefs threads 8

ds9 -prefs iraf yes
preserve Preserve the follow attributes while loading a new image.

Syntax

-preserve

[pan yes| no]
[regions yes| no]

Example:

ds9 -preserve pan yes

ds9 -preserve regions yes
psprint Invokes postscript printing. Please see print for further details. print Controls printing. Use print option to set printing options.

Syntax

-print [destination printer| file]
[command <command> ]
[filename <filename> ]
[color rgb| cmyk| gray]
[level 1| 2| 3]
[resolution72| screen| 96| 144| 150| 225| 300| 600| 1200]

Example:

ds9 -print

ds9 -print destination file

ds9 -print command lp

ds9 -print filename foo.ps

ds9 -print color cmyk

ds9 -print level 2

ds9 -print resolution 96
prism Invoke FITS analysis tool.

Syntax

-prism
[open]
[<filename> ]
[load <filename> ]
[import xml| rdb| tsv <filename> ]
[export xml| rdb| tsv <filename> ]
[clear]
[current <ref> ]
[ext <int> | <extname> ]
[first| next| prev| last]
[goto <int> ]
[image]
[mode newplot| newgraph| overplot]
[histogram <col> <numbins> [<min> <max> ] ]
[plot <colx> <coly> [<colerrx> ] [<colerry> ] xy| xyex| xyey| xyexey]

Example:

ds9 -prism

ds9 -prism open

ds9 -prism foo.fits

ds9 -prism load bar.fits

ds9 -prism import tsv bar.tsv

ds9 -prism clear

ds9 -prism current prism2

ds9 -prism ext 2

ds9 -prism ext STDEVT

ds9 -prism first

ds9 -prism next

ds9 -prism goto 20345

ds9 -prism image

ds9 -prism mode newplot

ds9 -prism histogram RAWX 40

ds9 -prism histogram RAWX 40 0 100

ds9 -prism plot RAWX RAWY xy

ds9 -prism plot RAWX RAWY PHA xyex

ds9 -prism plot RAWX RAWY PHA PHI xyexey
raise Raise in the window stacking order.

Syntax

-raise

Example:

ds9 -raise
region Controls regions in the current frame.

Syntax

-region [<filename> ]
[load [all] <filename> ]
[save [select] <filename> ]
[list [close| select] ]
[epsilon <integer> ]
[show yes| no]
[showtext yes| no]
[centroid]
[centroid auto yes| no]
[centroid radius <value> | iteration <value> ]
[move front| back]
[select all| none| all| front| back]
[delete [select] ]
[delete load <filename> ]
[format ds9| xml| ciao| saotng| saoimage| pros| xy]
[system image| physical| wcs| wcsa...wcsz]
[sky fk4| fk5| icrs| galactic| ecliptic]
[skyformat degrees| sexagesimal]
[strip yes| no]
[shape <shape> ]
[color <color> ]
[fill yes| no] ;
[width <width> ]
[dash yes| no]
[font times| helvetica| courier]
[fontsize <value> ]
[fontweight normal| bold]
[fontslant roman| italic]
[fixed| edit| rotate| delete yes| no]
[include| exclude| source| background]
[command <marker command> ]
[analysis histogram| panda| plot2d| plot3d| radial| stats [open| close| save] ]
[composite]
[dissolve]
[template <filename> ]
[template <filename> at <ra> <dec> <coordsys> <skyframe> ]
[savetemplate <filename> ]
[group new]
[group <tag> new]
[group <tag> update]
[group <tag> select]
[group <tag> color <color> ]
[group <tag> copy]
[group <tag> delete]
[group <tag> cut]
[group <tag> font <font> ]
[group <tag> move <int> <int> ]
[group <tag> movefront]
[group <tag> moveback]
[group <tag> property <property> yes| no]
[copy]
[cut]
[paste image| physical| wcs| wcsa...wcsz]
[undo]
[open| close]

Example:

ds9 -region foo.reg

ds9 -region -format ciao bar.reg # load as ciao format

ds9 -region foo.fits # FITS region files do not need a format specification

ds9 -region load foo.reg # load foo.reg into current frame

ds9 -region load all foo.reg # load foo.reg into all frames

ds9 -region load ’*.reg’# expand *.reg and load into current frame

ds9 -region load all ’*.reg’ # expand *.reg and load into all frames

ds9 -region save foo.reg

ds9 -region save select foo.reg

ds9 -region list

ds9 -region list select

ds9 -region list close

ds9 -region epsilon 5

ds9 -region show yes

ds9 -region showtext no

ds9 -region centroid

ds9 -region centroid auto yes

ds9 -region centroid radius 10

ds9 -region centroid iteration 20

ds9 -region move back

ds9 -region move front

ds9 -region select all

ds9 -region select none

ds9 -region select invert

ds9 -region select front

ds9 -region select back

ds9 -region delete

ds9 -region delete select

ds9 -region delete load foo.reg

ds9 -region format ds9

ds9 -region system wcs

ds9 -region sky fk5

ds9 -region skyformat degrees

ds9 -region strip yes

ds9 -region shape ellipse

ds9 -region color red

ds9 -region fill yes

ds9 -region width 3

ds9 -region dash yes

ds9 -region font times

ds9 -region fontsize 24

ds9 -region fontweight bold

ds9 -region fontslant italic

ds9 -region edit yes

ds9 -region include

ds9 -region command "circle 100 100 20 # color=red"

ds9 -region analysis stats $ds9 -region analysis stats close $ds9 -region

FILES

The complete text of the DS9 manual may be found on Debian systems at /usr/share/doc/saods9/ref/.

AUTHOR

DS9 is a product of the Smithsonian Astrophysical Observatory.

This manual page was generated from the DS9 HTML documentation by a script written by Justin Pryzby and Ole Streicher.

SEE ALSO

xpaget (1), xpaset (1), xpaaccess (1), xpamb (1), xpainfo (1), xpans (1), xpachanges (7),