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DS9(1) General Commands Manual DS9(1)

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

Get DS9 credits.

Syntax

-about

Example:

ds9 -about

Controls the World Coordinate System alignment for the current frame.

Syntax

-align [yes| no]

Example:

ds9 -align yes

Control external analysis tasks. Tasks are numbered as they are
loaded, starting with 0. Can also be used to display a message and
display text in the text dialog window.

Syntax

-analysis [<task number> ]
[<filename> ]
[task <task number> | <task name> ]
[load <filename> ]
[clear]
[clear] [load <filename> ]
[message ok| okcancel| yesno <message> ]
[entry <message> ]
[text]

Example:

ds9 -analysis 0 # invoke first analysis task

ds9 -analysis task 0

ds9 -analysis task foobar

ds9 -analysis task {foo bar}

ds9 -analysis my.ans

ds9 -analysis load my.ans

ds9 -analysis clear

ds9 -analysis clear load my.ans

ds9 -analysis message {This is a message}

ds9 -analysis text {This is text}

Load raw data array into current frame.

Syntax

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

Example:

ds9 -array foo.arr[dim=512, bitpix=-32, endian=little]

$cat foo.arr | ds9 -array -[dim=512, bitpix=-32, endian=little]

Select ASINH scale function for the current frame.

Syntax

-asinh

Example:

ds9 -asinh

Create a backup save set.

Syntax

-backup <filename>

Example:

ds9 -backup ds9.bck

Controls binning factor, binning buffer size, and binning function
for binning FITS bin tables.

Syntax

-bin [about <x> <y> ]
[about center]
[buffersize <value> ]
[cols <x> <y> ]
[colsz <x> <y> <z> ]
[factor <value> [<value> ] ]
[depth <value> ]
[filter <string> ]
[filter clear]
[function average| sum]
[in]
[out]
[to fit]
[match]
[lock [yes| no] ]
[open| close]

Example:

ds9 -bin about 4096 4096

ds9 -bin about center

ds9 -bin buffersize 512

ds9 -bin cols detx dety

ds9 -bin colsz detx dety time

ds9 -bin factor 4

ds9 -bin factor 4 2

ds9 -bin depth 10

ds9 -bin filter 'pha > 5'

ds9 -bin filter clear

ds9 -bin function sum

ds9 -bin in

ds9 -bin out

ds9 -bin to fit

ds9 -bin match

ds9 -bin lock yes

ds9 -bin open

ds9 -bin close

Blink mode parameters. Interval is in seconds.

Syntax

-blink []
[yes| no]
[interval <value> ]

Example:

ds9 -blink

ds9 -blink yes

ds9 -blink interval 1

Controls blocking parameters.

Syntax

-block[<value> ]
[<value> <value> ]
[to <value> ]
[to <value> <value> ]
[in]
[out]
[to fit]
[match]
[lock [yes| no] ]
[open| close]

Example:

ds9-block4

ds9-block4 2

ds9-blockto 4

ds9-blockto 4 2

ds9-blockin

ds9-blockout

ds9-blockto fit

ds9-blockmatch

ds9-blocklock yes

ds9-blockopen

ds9-blockclose

For RGB frames, sets the current color channel to blue.

Syntax

-blue

Example:

ds9 -blue foo.fits

cat
Support for catalogs. The first three commands will create a new
catalog search. All other commands operated on the last search
created, unless indicated otherwise.

Syntax

-catalog [new]
[ned| simbad| denis| skybot]


[aavso| ac| ascss| cmc| gaia| gsc1| gsc2| gsc3| nomad| ppmx| sao| sdss5| sdss6| sdss7| sdss8| sdss9| tycho]
[ua2| ub1| ucac2| ucac2sup| ucac3| ucac4| urat1]
[2mass| iras]
[csc| xmm| rosat]
[first| nvss]
[chandralog| cfhtlog| esolog| stlog| xmmlog]
[cds <catalogname> ]
[cds <catalogid> ]
[load <filename> ]
[save <filename> ]
[import rdb| tsv| fits <filename> ]
[export rdb| tsv <filename> ]
[allcols]
[allrows]
[cancel]
[clear]
[close]
[coordinate <ra> <dec> <coordsys> ]
[crosshair]
[current <ref> ]
[dec <col> ]
[edit yes| no]
[filter <string> ]
[filter load <filename> ]
[header]
[location <code> ]
[match <ref> <ref> ]
[match]
[match error <value> degrees| arcmin| arcsec]
[match function 1and2| 1not2| 2not1]
[match return 1and2| 1only| 2only]
[match unique yes| no]
[maxrows <number> ]
[name <object> ]
[panto yes| no]
[plot <xcol> <ycol> <xerrcol> <yerrcol> ]
[print]
[psky <skyframe> ]
[psystem <coordsys> ]
[ra <col> ]
[regions]
[retrieve]
[samp]
[samp broadcast]
[samp send <application> ]
[servercds| adac| cadc| cambridge| sao| ukirt| iucaa| bejing| saao]
[show yes| no]
[radius <value> degrees| arcmin| arcsec]
[sky <skyframe> ]
[skyformat <skyformat> ]
[sort <col> incr| decr]
[symbol [#]
condition| shape| color| text| font| fontsize| fontweight| fontslant
<value> ]
[symbol [#] text| size| size2| units| angle <value> ]
[symbol shape circle| ellipse| box| text| point]
[symbol shapecircle point| box point| diamond point| cross point| x
point| arrow point| boxcircle point]
[symbol add| [#] remove]
[symbol save| load <filename> ]
[system <coordsys> ]
[update]
[x <col> ]
[y <col> ]

Example:

ds9 -catalog new

ds9 -catalog 2mass

ds9 -catalog cds 2mass

ds9 -catalog cds "I/252"

ds9 -catalog load foo.xml

ds9 -catalog import tsv foo.tsv

ds9 -catalog allrows

ds9 -catalog allcols

ds9 -catalog cancel

ds9 -catalog clear

ds9 -catalog close

ds9 -catalog coordinate 202.48 47.21 fk5

ds9 -catalog crosshair

ds9 -catalog current 2mass

ds9 -catalog dec DEC

ds9 -catalog edit yes

ds9 -catalog export tsv bar.tsv

ds9 -catalog filter'$Jmag> 15'

ds9 -catalog filter load foo.flt

ds9 -catalog header

ds9 -catalog location 500

ds9 -catalog match error 2 arcsec

ds9 -catalog match function 1and2

ds9 -catalog match unique no

ds9 -catalog match return 1only

ds9 -catalog match # last two catalogs loaded

ds9 -catalog match 2mass csc

ds9 -catalog maxrows 2000

ds9 -catalog name m51

ds9 -catalog panto no

ds9 -catalog plot'$Jmag' '$Hmag' '$e_Jmag' '$e_Hmag'

ds9 -catalog print

ds9 -catalog psky fk5

ds9 -catalog psystem wcs

ds9 -catalog ra RA

ds9 -catalog regions

ds9 -catalog retrieve

ds9 -catalog samp broadcast

ds9 -catalog samp send aladin

ds9 -catalog save foo.xml

ds9 -catalog server sao

ds9 -catalog show yes

ds9 -catalog radius 1 degrees

ds9 -catalog symbol condition '$Jmag> 15'

ds9 -catalog symbol 2 shape "boxcircle point"

ds9 -catalog symbol color red

ds9 -catalog symbol font times

ds9 -catalog symbol fontsize 14

ds9 -catalog symbol fontweight bold

ds9 -catalog symbol fontslant italic

ds9 -catalog symbol add

ds9 -catalog symbol 2 remove

ds9 -catalog symbol load foo.sym

ds9 -catalog symbol save bar.sym

ds9 -catalog sky fk5

ds9 -catalog skyformat degrees

ds9 -catalog sort "Jmag" incr

ds9 -catalog system wcs

ds9 -catalog update

ds9 -catalog x RA

ds9 -catalog y DEC

Sets the current working directory.

Syntax

cd [<directory> ]

Example:

ds9 -cd /home/mrbill

Controls the colormap for the current frame. The colormap name is not
case sensitive. A valid contrast value is from 0 to 10 and bias
value from 0 to 1.

Syntax

-cmap [<colormap> ]
[load <filename> ]
[save <filename> ]
[invert yes| no]
[<contrast> <bias> ]
[tag [load| save] <filename> ]
[tag delete]
[open| close]

Example:

ds9 -cmap Heat

ds9 -cmap load foo.sao

ds9 -cmap save bar.sao

ds9 -cmap invert yes

ds9 -cmap 5 .5

ds9 -cmap tag load foo.tag

ds9 -cmap tag save foo.tag

ds9 -cmap tag delete

ds9 -cmap open

ds9 -cmap close

Controls colorbar parameters.

Syntax

-colorbar []
[yes| no]
[horizontal| vertical]
[numerics yes| no]
[space value| distance]
[font times| helvetica| courier]
[fontsize <value> ]
[fontweight normal| bold]
[fontslant roman| italic]
[size]
[ticks]
[match]
[lock [yes| no] ]

Example:

ds9 -colorbar yes

ds9 -colorbar vertical

ds9 -colorbar numerics yes

ds9 -colorbar space value

ds9 -colorbar font times

ds9 -colorbar fontsize 14

ds9 -colorbar fontweight bold

ds9 -colorbar fontslant italic

ds9 -colorbar size 20

ds9 -colorbar ticks 11

ds9 -colorbar match

ds9 -colorbar lock yes

Display tcl console window.

Syntax

-console

Example:

ds9 -console

Controls contours in the current frame.

Syntax

-contour []
[yes| no]
[clear]
[generate]
[load <filename> ]
[save <filename> [<coordsys> <skyframe> ] ]
[convert]
[load levels <filename> ]
[save levels <filename> ]
[copy]
[paste [<coordsys> <color> <width> yes| no] ]
[color <color> ]
[width <width> ]
[dash yes| no]
[smooth <smooth> ]
[method block| smooth]
[nlevels <number of levels> ]
[scale linear| log| pow| squared| sqrt| asinh| sinh| histequ]
[log exp <value> ]
[mode minmax| <value> | zscale| zmax]
[scope global| local]
[limits <min> <max> ]
[levels <value value value...> ]
[open| close]

Example:

ds9 -contour

ds9 -contour yes

ds9 -contour generate

ds9 -contour clear

ds9 -contour load ds9.ctr

ds9 -contour save ds9.ctr

ds9 -contour save ds9.ctr wcs fk5

ds9 -contour convert

ds9 -contour load levels ds9.ctr

ds9 -contour save levels ds9.lev

ds9 -contour copy

ds9 -contour paste

ds9 -contour paste wcs red 2 no

ds9 -contour color yellow

ds9 -contour width 2

ds9 -contour dash yes

ds9 -contour smooth 5

ds9 -contour method smooth

ds9 -contour nlevels 10

ds9 -contour scale sqrt

ds9 -contour log exp 1000

ds9 -contour mode zscale

ds9 -contour scope local

ds9 -contour limits 1 100

ds9 -contour levels 1 10 100 1000

ds9 -contour open

ds9 -contour close

Set current image display area.

Syntax

-crop [<x> <y> <width> <height> [<coordsys> ] [<skyframe> ]
[degrees| arcmin| arcsec]
[match <coordsys> ]
[lock <coordsys> | none]
[reset]
[3d zmin zmax <coordsys> ]
[open| close]

Example:

ds9 foo.fits -crop 40 30 10 20 # set crop in physical coords

ds9 foo.fits -crop +104:51:06.915 +68:33:40.761 28.144405 22.000204

Controls the current position of the crosshair in the current frame.
DS9 is placed in crosshair mode when the crosshair is set.

Syntax

-crosshair [<x> <h> <coordsys> [<skyframe> ] ]
[match <coordsys> ]
[lock <coordsys> | none]

Example:

ds9 -crosshair 100 100 physical # set crosshair in physical

ds9 -crosshair 345 58.8 wcs fk5 # set crosshair in wcs coords

ds9 -crosshair 23:01:00 +58:52:51 wcs fk5

ds9 -crosshair match

ds9 -crosshair lock wcs

Controls FITS cube.

Syntax

-cube []
[play| stop| next| prev| first| last]
[<slice> [<coordsys> ] ]
[interval <numeric> ]
[match <coordsys> ]
[lock <coordsys> | none]
[order 123| 132| 213| 231| 312| 321]
[axes lock [yes| no] ]
[axis <axis> ]
[open| close]

Example:

ds9 -cube

ds9 -cube play

ds9 -cube last

ds9 -cube 3

ds9 -cube 4.5 wcs

ds9 -cube interval 2

ds9 -cube match wcs

ds9 -cube lock wcs

ds9 -cube order 123

ds9 -cube axes lock yes

ds9 -cube axis 3

ds9 -cube open

ds9 -cube close

Move mouse pointer or crosshair in image pixels in the current frame.
Note, this will move selected Regions also.

Syntax

-cursor [<x> <h> ]

Example:

ds9 -cursor 10 10

dss
Support for Digital Sky Survey at SAO.

Syntax

-dsssao []
[<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 -dsssao

ds9 -dsssao m31

ds9 -dsssao name m31

ds9 -dsssao name clear

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

ds9 -dsssao size 60 60 arcmin

ds9 -dsssao save yes

ds9 -dsssao frame current

ds9 -dsssao update frame

ds9 -dsssao open

ds9 -dsssao close

Support for Digital Sky Survey at ESO.

Syntax

-dsseso []
[<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 DSS1| DSS2-red| DSS2-blue| DSS2-infrared]
[open| close]

Example:

ds9 -dsseso

ds9 -dsseso m31

ds9 -dsseso name m31

ds9 -dsseso name clear

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

ds9 -dsseso size 60 60 arcmin

ds9 -dsseso save yes

ds9 -dsseso frame current

ds9 -dsseso update frame

ds9 -dsseso survey DSS2-red

ds9 -dsseso open

ds9 -dsseso close

Support for Digital Sky Survey at STSCI.

Syntax

-dssstsci []
[<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 poss2ukstu_red| poss2ukstu_ir| poss2ukstu_blue]
[survey poss1_blue| poss1_red]
[survey all| quickv| phase2_gsc2| phase2_gsc1]
[open| close]

Example:

ds9 -dssstsci

ds9 -dssstsci m31

ds9 -dssstsci name m31

ds9 -dssstsci name clear

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

ds9 -dssstsci size 60 60 arcmin

ds9 -dssstsci save yes

ds9 -dssstsci frame current

ds9 -dssstsci update frame

ds9 -dssstsci survey all

ds9 -dssstsci open

ds9 -dssstsci close

Load an ENVI header and file. Optional parameter: array endian.

Syntax

-envi <header> [<filename> ]

Example:

ds9 -envi foo.hdr

ds9 -envi foo.hdr foo.bsq

quit
Quits DS9.

Syntax

-exit
-quit

Example:

ds9 -exit

Export loaded image data of current frame in specified image format,
at native resolution, using current colormap and contrast/bias
settings. NOTE: not scaling, rotation, or translation is applied. If
no format specified, the file name extension is used to determine the
output format. Optional parameters: jpeg quality (1-100) and tiff
compression method.

Syntax

-export [array| nrrd| envi| gif| tiff| jpeg| png] <filename>
-export array <filename> [big| little| native]
-export nrrd <filename> [big| little| native]
-export envi <header> [<filename> ] [big| little| native]
-export <filename> .jpeg [1-100]
-export <filename> .tiff [none| jpeg| packbits| deflate]

Example:

ds9 -export array foo.arr little

ds9 -export nrrd foo.nrrd little

ds9 -export envi foo.hdr little

ds9 -export envi foo.hdr foo.bsq little

ds9 -export tiff foo.tiff jpeg

ds9 -export jpeg foo.jpeg 75

ds9 -export png foo.png

Fade mode parameters. Interval is in seconds.

Syntax

-fade []
[yes| no]
[interval <value> ]

Example:

ds9 -fade

ds9 -fade yes

ds9 -fade interval 2

Set the name of the IRAF input and output fifos. The default is /dev/
imt1. These fifos are used by IRAF to communicate with DS9.

Syntax

-fifo name

Example:

ds9 -fifo /dev/imt1

Load a FITS image into the current frame.

Syntax

-fits<filename>

Example:

ds9 -fits foo.fits

ds9 -fits bar.fits[bin=detx, dety]

$cat foo.fits | ds9 -fits -
$cat bar.fits | ds9 -fits -[bin=detx, dety]

fp
Support for Chandra (CXC) and Hubble Legacy Archive (HLA) footprint
servers.

Syntax

-footprint [cxc| hla]
[cancel]
[clear]
[close]
[save <filename> ]
[export rdb| tsv <filename> ]
[coordinate <ra> <dec> <coordsys> ]
[crosshair]
[current <ref> ]
[filter <string> ]
[filter load <filename> ]
[name <object> ]
[panto yes| no]
[print]
[regions]
[retrieve]
[show yes| no]
[radius <value> degrees| arcmin| arcsec]
[sky <skyframe> ]
[skyformat <skyformat> ]
[sort <col> incr| decr]
[system <coordsys> ]
[update]

Example:

ds9 -footprint cxc

ds9 -footprint cancel

ds9 -footprint clear

ds9 -footprint close

ds9 -footprint coordinate 202.48 47.21 fk5

ds9 -footprint crosshair

ds9 -footprint current cxc

ds9 -footprint export tsv foo.tsv

ds9 -footprint filter'$ObsId<10000'

ds9 -footprint filter load foo.flt

ds9 -footprint name m51

ds9 -footprint panto no

ds9 -footprint print

ds9 -footprint regions

ds9 -footprint retrieve

ds9 -footprint save foo.xml

ds9 -footprint show yes

ds9 -footprint radius 1 degrees

ds9 -footprint sky fk5

ds9 -footprint skyformat degrees

ds9 -footprint sort "ObsId" incr

ds9 -footprint system wcs

ds9 -footprint update

Controls frame functions. Frames may be created, deleted, reset, and
centered. While return the current frame number. If you goto a frame
that does not exists, it will be created. If the frame is hidden, it
will be shown. The 'frameno' option is available for backward
compatibility.

Syntax

-frame [center [#| all] ]
[clear [#| all] ]
[new [rgb] ]
[delete [#| all] ]
[reset [#| all] ]
[refresh [#| all] ]
[hide [#| all] ]
[show [#| all] ]
[move first]
[move back]
[move forward]
[move last]
[first| next| prev| last]
[frameno #]
[#]
[match <coordsys> ]
[lock <coordsys> | none]

Example:

ds9 -frame center # center current frame

ds9 -frame center 1 # center 'Frame1'

ds9 -frame center all # center all frames

ds9 -frame clear # clear current frame

ds9 -frame new # create new frame

ds9 -frame new rgb # create new rgb frame

ds9 -frame delete # delete current frame

ds9 -frame reset # reset current frame

ds9 -frame refresh # refresh current frame

ds9 -frame hide # hide current frame

ds9 -frame show 1 # show frame 'Frame1'

ds9 -frame move first # move frame to first in order

ds9 -frame move back # move frame back in order

ds9 -frame move forward # move frame forward in order

ds9 -frame move last # move frame to last in order

ds9 -frame first # goto first frame

ds9 -frame prev # goto prev frame

ds9 -frame next # goto next frame

ds9 -frame last # goto last frame

ds9 -frame frameno 4 # goto frame 'Frame4', create if needed

ds9 -frame 3 # goto frame 'Frame3', create if needed

ds9 -frame lock wcs

Define the initial window geometry. This includes all of the ds9
window, not just the image space. see X(1).

Syntax

-geometry value

Example:

ds9 -geometry 640x480

Load GIF image into current frame.

Syntax

-gif <filename>

Example:

ds9 -gif foo.gif

$cat foo.gif | ds9 -gif -

For RGB frames, sets the current color channel to green.

Syntax

-green

Example:

ds9 -green foo.fits

Controls horizontal and vertical cut graphs.

Syntax

-graph [grid yes| no]
[log yes| no]
[method average| sum]
[font times| helvetica| courier]
[fontsize <value> ]
[fontweight normal| bold]
[fontslant roman| italic]
[size <integer> ]
[thickness <integer> ]
[open| close]

Example:

ds9 -graph grid yes

ds9 -graph log no

ds9 -graph method average

ds9 -graph font helvetica

ds9 -graph fontsize 9

ds9 -graph fontweight normal

ds9 -graph fontslant roman

ds9 -graph size 150

ds9 -graph thickness 1

ds9 -graph open

ds9 -graph close

Controls coordinate grid. For grid numeric format syntax, click
here.

Syntax

-grid []
[yes| no]
[type analysis| publication]
[system <coordsys> ]
[sky <skyframe> ]
[skyformat <skyformat> ]
[grid yes| no]
[grid color <color> ]
[grid width <value> ]
[grid dash yes| no]
[grid gap1 <value> ]
[grid gap2 <value> ]
[grid gap3 <value> ]
[axes yes| no]
[axes color <color> ]
[axes width <value> ]
[axes dash yes| no]
[axes type interior| exterior]
[axes origin lll| llu| lul| luu| ull| ulu| uul| uuu]
[format1 <format> ]
[format2 <format> ]
[tickmarks yes| no]
[tickmarks color <color> ]
[tickmarks width <value> ]
[tickmarks dash yes| no]
[border yes| no]
[border color <color> ]
[border width <value> ]
[border dash yes| no]
[numerics yes| no]
[numerics font times| helvetica| courier]
[numerics fontsize <value> ]
[numerics fontweight normal| bold]
[numerics fontslant roman| italic]
[numerics color <color> ]
[numerics gap1 <value> ]
[numerics gap2 <value> ]
[numerics gap3 <value> ]
[numerics type interior| exterior]
[numerics vertical yes| no]
[title yes| no]
[title text <text> ]
[title def yes| no]
[title gap <value> ]
[title font times| helvetica| courier]
[title fontsize <value> ]
[title fontweight normal| bold]
[title fontslant roman| italic]
[title color <color> ]
[labels yes| no]
[labels text1 <text> ]
[labels text2 <text> ]
[labels def1 yes| no]
[labels def2 yes| no]
[labels gap1 <value> ]
[labels gap2 <value> ]
[labels font times| helvetica| courier]
[labels fontsize <value> ]
[labels fontweight normal| bold]
[labels fontslant roman| italic]
[labels color <color> ]
[reset]
[load <filename> ]
[save <filename> ]
[open| close]

Example:

ds9 -grid

ds9 -grid yes

ds9 -grid type analysis

ds9 -grid system wcs

ds9 -grid sky fk5

ds9 -grid skyformat degrees

ds9 -grid grid yes

ds9 -grid grid color red

ds9 -grid grid width 2

ds9 -grid grid dash yes

ds9 -grid grid gap1 10

ds9 -grid grid gap2 10

ds9 -grid grid gap3 10

ds9 -grid axes yes

ds9 -grid axes color red

ds9 -grid axes width 2

ds9 -grid axes dash yes

ds9 -grid axes type exterior

ds9 -grid axes origin lll

ds9 -grid format1 d.2

ds9 -grid format2 d.2

ds9 -grid tickmarks yes

ds9 -grid tickmarks color red

ds9 -grid tickmarks width 2

ds9 -grid tickmarks dash yes

ds9 -grid border yes

ds9 -grid border color red

ds9 -grid border width 2

ds9 -grid border dash yes

ds9 -grid numerics yes

ds9 -grid numerics font courier

ds9 -grid numerics fontsize 12

ds9 -grid numerics fontweight bold

ds9 -grid numerics fontslant italic

ds9 -grid numerics color red

ds9 -grid numerics gap1 10

ds9 -grid numerics gap2 10

ds9 -grid numerics gap3 10

ds9 -grid numerics type exterior

ds9 -grid numerics vertical yes

ds9 -grid title yes

ds9 -grid title text {Hello World}

ds9 -grid title def yes

ds9 -grid title gap 10

ds9 -grid title font courier

ds9 -grid title fontsize 12

ds9 -grid title fontweight bold

ds9 -grid title fontslant italic

ds9 -grid title color red

ds9 -grid labels yes

ds9 -grid labels text1 {Hello World}

ds9 -grid labels text2 {Hello World}

ds9 -grid labels def1 yes

ds9 -grid labels def2 yes

ds9 -grid labels gap1 10

ds9 -grid labels gap2 10

ds9 -grid labels font courier

ds9 -grid labels fontsize 12

ds9 -grid labels fontweight bold

ds9 -grid labels fontslant italic

ds9 -grid labels color red

ds9 -grid reset

ds9 -grid load foo.grd

ds9 -grid save foo.grd

ds9 -grid open

ds9 -grid close

Display current fits header dialog. Optional extension number maybe
specified.

Syntax

-header [<ext> ]
[close [<ext> ] ]
[save [<ext> ] <filename> ]

Example:

ds9 -header

ds9 -header 2

ds9 -header close

ds9 -header save 1 foo.txt

Set the height of the image display window. Use the geometry command
to set the overall width and height of the ds9 window.

Syntax

-height [<value> ]

Example:

ds9 -height 512

Display help information. To maintain backward compatibility, -help
will display a brief help message and exit. --help will display all
command line options within the built-in help facility.

Syntax

-help # Display brief help message and exit.
--help # Display command line options within help facility.
-? # Display command line options within help facility.

Example:

ds9 -help # Display brief help message and exit.

ds9 --help # Display command line options within help facility

ds9 -? # Display command line options within help facility.

Select histogram equalization scale function for the current frame.

Syntax

-histequ

Example:

ds9 -histequ

Toggles iconification.

Syntax

-iconify []
[yes| no]

Example:

ds9 -iconify

ds9 -iconify yes

Only use the IRAF port number. This is the same as -fifo none -unix none.

Syntax
-port_only

Example:

ds9 -port_only

Invert Colormap.

Syntax

-invert

Example:

ds9 -invert

Set IIS Filename. Optional mosaic number maybe supplied.

Syntax

-iis [filename <filename> [#] ]

Example:

ds9 -iis filename foo.fits

ds9 -iis filename bar.fits 4

Controls illustrations.

Syntax

-illustrate [<filename> ]
[load <filename> ]
[save [select| all] <filename> ]
[list [select| all] ]
[select all| none| invert| front| back]
[move front| back]
[delete [select| all] ]
[shape <shape> ]
[color <color> ]
[fill yes| no]
[width <width> ]
[dash yes| no]
[command <region command> ]
[copy]
[cut]
[paste]
[undo]
[open| close]

Example:

ds9 -illustrate foo.reg

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

ds9 -illustrate save foo.reg

ds9 -illustrate save select foo.reg

ds9 -illustrate list

ds9 -illustrate list select

ds9 -illustrate list close

ds9 -illustrate show yes

ds9 -illustrate select all

ds9 -illustrate select none

ds9 -illustrate select invert

ds9 -illustrate select front

ds9 -illustrate select back

ds9 -illustrate move back

ds9 -illustrate move front

ds9 -illustrate delete

ds9 -illustrate delete select

ds9 -illustrate color red

ds9 -illustrate fill yes

ds9 -illustrate width 3

ds9 -illustrate dash no

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

ds9 -illustrate copy

ds9 -illustrate cut

ds9 -illustrate paste

ds9 -illustrate undo

ds9 -illustrate open

ds9 -illustrate close

Load JPEG image into current frame.

Syntax

-jpeg <filename>

Example:

ds9 -jpeg foo.jpeg

$cat foo.jpeg | ds9 -jpeg -

Select current language.

Syntax

-language [locale| da| de| es| en| fr| ja| pt]

Example:

ds9 -language fr

Select linear scale function for the current frame.

Syntax

-linear

Example:

ds9 -linear

Lock all other frames to the current frame.

Syntax

-lock[frame <coordsys> | none]
[crosshair <coordsys> | none]
[crop <coordsys> | none]
[slice <coordsys> | none]
[bin [yes| no] ]
[axes [yes| no] ]
[scale [yes| no] ]
[scalelimits [yes| no] ]
[colorbar [yes| no] ]
[block [yes| no] ]
[smooth [yes| no] ]
[3d [yes| no] ]

Example:

ds9 -lock frame wcs

ds9 -lock crosshair wcs

ds9 -lock crop wcs

ds9 -lock slice wcs

ds9 -lock bin yes

ds9 -lock axes yes

ds9 -lock scale yes

ds9 -lock scalelimits yes

ds9 -lock colorbar yes

ds9 -lock block yes

ds9 -lock smooth yes

ds9 -lock 3d yes

Select log scale function for the current frame.

Syntax

-log

Example:

ds9 -log

Lower in the window stacking order.

Syntax

-lower

Example:

ds9 -lower

Controls the magnifier settings.

Syntax

magnifier [color <color> ]
[zoom <value> ]
[cursor yes| no]
[region yes| no]

Example:

ds9 -magnifier color yellow

ds9 -magnifier zoom 2

ds9 -magnifier cursor no

ds9 -magnifier region no

nomask
Controls mask parameters.

Syntax

-mask [color <color> ]
[mark zero| nonzero| nan| nonnan| range]
[range <low> <high> ]
[transparency <value> ]
[blend source| screen| darken| lighten]
[system <coordsys> ]
[clear]
[load <filename> ]
[open| close]
-nomask

Example:

ds9 -mask color red

ds9 -mask mark zero

ds9 -mask range 10 100

ds9 -mask transparency 50

ds9 -mask blend source

ds9 -mask system wcs

ds9 -mask clear

ds9 -mask load foo.fits

ds9 -mask open

ds9 -mask close

ds9 -nomask

Match all other frames to the current frame.

Syntax

-match[frame <coordsys> ]
[crosshair <coordsys> ]
[crop <coordsys> ]
[slice <coordsys> ]
[bin]
[axes]
[scale]
[scalelimits]
[colorbar]
[block]
[smooth]
[3d]

Example:

ds9 -match frame wcs

ds9 -match crosshair wcs

ds9 -match crop wcs

ds9 -match slice wcs

ds9 -match bin

ds9 -match axes

ds9 -match scale

ds9 -match scalelimits

ds9 -match colorbar

ds9 -match block

ds9 -match smooth

ds9 -match 3d

Load FITS multiple extension file as data cube.

Syntax

mecube <filename>

Example:

ds9 -mecube foo.fits

$cat foo.fits | ds9 -mecube -

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

Select the current mode.

Syntax

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

Example:

ds9 -mode crosshair

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 -

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

Specify a directory of translation tables to be loaded.

Syntax

-msg <directory>

Example:

ds9 -msg $HOME/msgs

Load FITS multiple extension file as multiple images.

Syntax

multiframe <filename>

Example:

ds9 -multiframe foo.fits

$cat foo.fits | ds9 -multiframe -

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

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

Load an NRRD (Nearly Raw Raster Data) file.

Syntax

-nrrd <filename>

Example:

ds9 -nrrd foo.nrrd

$cat foo.nrrd | xpaset ds9 -nrrd-

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

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

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

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

Display/Hide the pixel table.

Syntax

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

Example:

ds9 -pixeltable

ds9 -pixeltable yes

ds9 -pixeltable open

ds9 -pixeltable close

Display and configure data plots. The last plot created is assumed.
Plot data is assumed to be a pair of coordinates, with optional error
values. The follow are valid data descriptions:
xy x and y coordinates
xyex x, y coordinates with x errors
xyey x, y coordinates with y errors
xyexey x, y coordinates with x and y errors

Syntax

# create new empty plot window
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> [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 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 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

Load PNG image into current frame.

Syntax
-png <filename>

Example:

ds9 png foo.png
$cat foo.png | ds9 -png -

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 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

Invokes postscript printing. Please see print for further details.

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

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

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

Select power scale function for the current frame.

Syntax
-pow

Example:

ds9 -pow

quit
Quits DS9.

Syntax

-exit
-quit

Example:

ds9 -exit

Raise in the window stacking order.

Syntax
-raise

Example:

ds9 -raise

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

For RGB frames, sets the current color channel to red.

Syntax
-red

Example:

ds9 -red foo.fits

Restore DS9 to a previous state from a backup save set.

Syntax
-restore <filename>

Example:

ds9 -restore ds9.bck

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

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

Configure SAMP protocol.

Syntax
-samp [yes| no]
| connect| disconnect]
[broadcast [image| table] ]
[send [image| table] <application> ]

Example:

ds9 -samp yes

ds9 -samp connect

ds9 -samp broadcast

ds9 -samp broadcast table

ds9 -samp send table

ds9 -samp send table topcat

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

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

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]

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

Set display mode to single.

Syntax
-single

Example:

ds9 -single

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

Delays execution for specified number of seconds. Default is 1 second.

Syntax
-sleep [#]

Example:

ds9 -sleep

ds9 -sleep 2

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 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

Select squared scale function for the current frame.

Syntax
-squared

Example:

ds9 -squared

Select square soot scale function for the current frame.

Syntax
-sqrt

Example:

ds9 -sqrt

Source TCL code from a file.

Syntax
-source <filename>

Example:

ds9 -source extensions.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"'

Load TIFF image into current frame.

Syntax
-tiff <filename>

Example:

ds9 -tiff foo.tiff
$cat foo.fits | ds9 -tiff -

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

Changes the display window title to the specified name.

Syntax
-title name

Example:

ds9 -title Voyager

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"

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

Load FITS from URL into the current frame

Syntax
-url <url>

Example:

ds9 -url http://foo.bar.edu/foo.fits

Returns the current version of DS9 and exits.

Syntax
-version

Example:

ds9 -version

Controls the GUI and visible RGB frame color channels.

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]
[red yes| no]
[green yes| no]
[blue 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 red yes

ds9 -view green yes

ds9 -view blue yes

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

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

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

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

galactic arcsec

ds9 foo.fits -crop match wcs

ds9 foo.fits -crop lock wcs

ds9 foo.fits -crop reset

ds9 foo.fits -crop 3d .25 .5 wcs

ds9 foo.fits -crop open

ds9 foo.fits -crop close

Display specified URL in the web display.

Syntax
-web []
[<url> ]
[new <webname> <url> ]
[<webname> ] [click back| forward| stop| reload| #]
[<webname> ] [clear]
[<webname> ] [close]

Example:

ds9 -web www.cnn.com

ds9 -web new www.cnn.com

ds9 -web hvweb www.apple.com

ds9 -web click back

ds9 -web click 2

ds9 -web clear

ds9 -web close

Set the width of the image display window. Use the geometry command to set the overall width and height of the ds9 window.

Syntax
-width [<value> ]

Example:

ds9 -width 512

Configure XPA.

Syntax
-xpa [yes| no]
[connect| disconnect]
[inet| local| unix| localhost]
[info]

Example:

ds9 -xpa yes

ds9 -xpa connect

ds9 -xpa local

ds9 -xpa info

Set Scale Limits based on the IRAF algorithm and maximum data value.

Syntax
-zmax

Example:

ds9 -zmax

Controls the current zoom value for the current frame.

Syntax
-zoom [<value> ]
[<value> <value> ]
[to <value> ]
[to <value> <value> ]
[in]
[out]
[to fit]
[open| close]

Example:

ds9 -zoom 2

ds9 -zoom 2 4

ds9 -zoom to 4

ds9 -zoom to 2 4

ds9 -zoom in

ds9 -zoom out

ds9 -zoom to fit

ds9 -zoom open

ds9 -zoom close

2mass
Support for 2MASS Digital Sky Survey.

Syntax

-2mass []
[<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 j| h| k]
[open| close]

Example:

ds9 -2mass

ds9 -2mass m31

ds9 -2mass name m31

ds9 -2mass name clear

ds9 -2mass 00:42:44.404 +41:16:08.78

ds9 -2mass size 60 60 arcmin

ds9 -2mass save yes

ds9 -2mass frame current

ds9 -2mass update frame

ds9 -2mass survey j

ds9 -2mass open

ds9 -2mass close

3d
Support for 3D frame.

Syntax

-3d []
[view <az> <el> ]
[az <az> ]
[el <el> ]
[scale <scale> ]
[method mip| aip]
[background none| azimuth| elevation]
[border yes| no]
[border color]
[highlite yes| no]
[highlite color]
[compass yes| no]
[compass color]
[match]
[lock [yes| no] ]
[open| close]

Example:

ds9 -3d # create new 3D frame

ds9 -3d view 45 30

ds9 -3d az 45

ds9 -3d el 30

ds9 -3d scale 10

ds9 -3d method mip

ds9 -3d background azimuth

ds9 -3d border yes

ds9 -3d border color red

ds9 -3d highlite yes

ds9 -3d highlite color red

ds9 -3d compass yes

ds9 -3d compass color red

ds9 -3d match

ds9 -3d lock yes

ds9 -3d open

ds9 -3d close

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

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),

03 Jul 2012