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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

-2mass
Support for 2MASS Digital Sky Survey.
 
Syntax

-2mass []
[<object> ]
[name <object> ]
[coord <ra> <dec> degrees| sexagesimal] # 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 coord 00:42:44.404 +41:16:08.78 sexagesimal
 
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 []
[vp <az> <el> ]
[az <az> ]
[el <el> ]
[method mip| aip]
[highlite yes| no]
[highlite color]
[open| close]
 
 
Example:
 
ds9 -3d # create new 3D frame
 
ds9 -3d vp 45 30
 
ds9 -3d az 45
 
ds9 -3d el 30
 
ds9 -3d method mip
 
ds9 -3d highlite yes
 
ds9 -3d highlite color red
 
ds9 -3d open
 
ds9 -3d close
 
 
 
-about
Get DS9 credits.
 
Syntax

-about
 
 
Example:
 
ds9 -about
 
 
 
-align
Controls the World Coordinate System alignment for the current frame.
 
Syntax

-align [yes| no]
 
 
Example:
 
ds9 -align yes
 
 
 
-analysis
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 message okcancel '{This is a message}'
 
ds9 -analysis text '{This is text}';
 
 
 
-array
Load an array.
 
Syntax

-array <filename> [
[xdim=<x> , ydim=<y> | dim=<dim> ] , zdim=<z> , bitpix=<b> , skip=<s> ,
arch=[littleendian| bigendian] ]
 
 
Example:
 
ds9 -array bar.arr[xdim=512, ydim=512, zdim=1, bitpix=16] # load

512x512 short
 
ds9 -array bar.arr[dim=256, bitpix=-32, skip=4] # load 256x256 float

with 4 byte head
 
ds9 -array bar.arr[dim=512, bitpix=32, arch=littleendian] # load

512x512 long, intel
asinh
Select ASINH scale function for the current frame.
 
Syntax

-asinh
 
 
Example:
 
ds9 -asinh
 
 
 
-background
Set image background color.
 
Syntax

[-background| -bg] <color>
 
 
Example:
 
ds9 -background red
 
ds9 -bg red
 
 
 
-backup
Create a backup save set.
 
Syntax

-backup <filename>
 
 
Example:
 
ds9 -backup ds9.bck
 
 
 
-bin
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> ]
[function average| sum]
[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 ''
 
ds9 -bin function sum
 
ds9 -bin to fit
 
ds9 -bin match
 
ds9 -bin lock yes
 
ds9 -bin open
 
ds9 -bin close
 
 
 
-blink
Blink mode parameters. Interval is in seconds.
 
Syntax

-blink []
[yes| no]
[interval <value> ]
 
 
Example:
 
ds9 -blink
 
ds9 -blink yes
 
ds9 -blink interval 1
 
 
 
-blue
For RGB frames, sets the current color channel to blue.
 
Syntax

-blue
 
 
Example:
 
ds9 -blue foo.fits
 
 
 
-catalog
cat
Support for catalogs.
 
Syntax

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

[ascss| cmc| gsc1| gsc2| gsc3| ac| nomad| ppmx| sao| sdss5| sdss6| tycho| ua2| ub1| ucac2]
[2mass| iras]
[csc| xmm| rosat]
[first| nvss]
[chandralog| cfhtlog| esolog| stlog| xmmlog]
[cds <catalogname> ]
[cds <catalogid> ]
[load <filename> ]
[load [xml| sb| tsv] <filename> ]
[<catname> ] [samp]
[<catname> ] [samp broadcast]
[<catname> ] [samp send <application> ]
[<catname> ] [name <object> ]
[<catname> ] [coordinate <ra> <dec> <coordsys> ]
[<catname> ] [system <coordsys> ]
[<catname> ] [sky <skyframe> ]
[<catname> ] [skyformat <skyformat> ]
[<catname> ] [size <width> <height> degrees| arcmin| arcsec]
[<catname> ] [save <filename> ]
[<catname> ] [save [xml| sb| tsv] <filename> ]
[<catname> ] [filter <string> ]
[<catname> ] [filter load <filename> ]
[<catname> ] [clear]
[<catname> ] [retrieve]
[<catname> ] [cancel]
[<catname> ] [print]
[<catname> ] [close]
[<catname> ] [server
 
 
-cd
Sets the current working directory.
 
Syntax

cd [<directory> ]
 
 
Example:
 
ds9 -cd /home/mrbill
 
 
 
-cmap
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> ]
[file]
[load <filename> ]
[save <filename> ]
[invert yes| no]
[value <contrast> <bias> ]
[tag [load| save] <filename> ]
[tag delete]
[match]
[lock [yes| no] ]
[open| close]
 
 
Example:
 
ds9 -cmap Heat
 
ds9 -cmap load foo.sao
 
ds9 -cmap save bar.sao
 
ds9 -cmap invert yes
 
ds9 -cmap value 5 .5
 
ds9 -cmap tag load foo.tag
 
ds9 -cmap tag save foo.tag
 
ds9 -cmap tag delete
 
ds9 -cmap match
 
ds9 -cmap lock yes
 
ds9 -cmap open
 
ds9 -cmap close
 
 
 
-colorbar
Controls colorbar parameters.
 
Syntax

-colorbar [yes| no]
[horizontal| vertical]
[orientation horizontal| vertical]
[numerics yes| no]
[space value| distance]
[font times| helvetica| courier]
[fontsize <value> ]
[fontweight normal| bold]
[fontslant roman| italic]
[size]
[ticks]
 
 
Example:
 
ds9 -colorbar yes
 
ds9 -colorbar vertical
 
ds9 -colorbar orientation 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
 
 
 
-console
Display tcl console window.
 
Syntax

-console
 
 
Example:
 
ds9 -console
 
 
 
-contour
Controls contours in the current frame.
 
Syntax

-contour []
[yes| no]
[clear]
[generate]
[load <filename> <coordsys> <skyframe> <color> <width>
yes| no]
[save <filename> <coordsys> <skyframe> ]
[convert]
[loadlevels <filename> ]
[savelevels <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]
[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.con wcs fk5 yellow 2 no
 
ds9 -contour load ds9.con wcs fk5 red 2 yes
 
ds9 -contour save ds9.con wcs fk5
 
ds9 -contour convert
 
ds9 -contour loadlevels ds9.lev
 
ds9 -contour savelevels ds9.lev
 
ds9 -contour copy
 
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 limits 1 100
 
ds9 -contour levels "1 10 100 1000"
 
ds9 -contour open
 
ds9 -contour close

crop
Set current image display area.
 
Syntax

-crop [<x> <y> <width> <height> [<coordsys> ] [<skyframe> ] [<skyformat> ]
[degrees| arcmin| arcsec]
[match <coordsys> ]
[lock <coordsys> | none]
 
 
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
 
 
 
-crosshair
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> ] [<skyformat> ] ]
[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
 
 
 
-cube
Controls FITS cube.
 
Syntax

-cube [play| stop| next| prev| first| last]
[<slice> [<coordsys> ] [<axis> ] ]
[interval <numeric> ]
[axis <axis> ]
[match]
[lock [yes| no] ]
[open| close]
 
 
Example:
 
ds9 -cube play
 
ds9 -cube last
 
ds9 -cube 3
 
ds9 -cube 4.5 wcs 3
 
ds9 -cube interval 2
 
ds9 -cube axis 3
 
ds9 -cube match
 
ds9 -cube lock yes
 
ds9 -cube open
 
ds9 -cube close
 
 
 
-cursor
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
 
 
 
-dsssao
Support for Digital Sky Survey at SAO.
 
Syntax

-dsssao []
[<object> ]
[name <object> ]
[coord <ra> <dec> degrees| sexagesimal] # 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 coord 00:42:44.404 +41:16:08.78 sexagesimal
 
ds9 -dsssao size 60 60 arcmin
 
ds9 -dsssao save yes
 
ds9 -dsssao frame current
 
ds9 -dsssao update frame
 
ds9 -dsssao open
 
ds9 -dsssao close
 
 
 
-dsseso
Support for Digital Sky Survey at ESO.
 
Syntax

-dsseso []
[<object> ]
[name <object> ]
[coord <ra> <dec> degrees| sexagesimal] # 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 coord 00:42:44.404 +41:16:08.78 sexagesimal
 
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
 
 
 
-dssstsci
Support for Digital Sky Survey at STSCI.
 
Syntax

-dssstsci []
[<object> ]
[name <object> ]
[coord <ra> <dec> degrees| sexagesimal] # 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 coord 00:42:44.404 +41:16:08.78 sexagesimal
 
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
 
 
 
-exit
quit
Quits DS9.
 
Syntax

-exit
-quit
 
 
Example:
 
ds9 -exit
 
 
 
-export
Export loaded image data of current frame in specified image format,
using current colormap and contrast/bias settings. fits, gif, tiff
(tif), jpeg (jpg), png, ppm formats supported. 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 [fits| gif| tiff| jpeg| png| ppm] <filename>
-export <filename> .jpeg [1-100]
-export <filename> .tiff [none| jpeg| packbits| deflate]
 
 
Example:
 
ds9 -export foo.jpg 75
 
 
 
-fifo
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
 
 
 
-fifo_only
 
 
 
-file
Load FITS file. Note, this the default mode. Use this command to
reset after using -mosaicimage, -mosaic, -array, and -mask.
 
Syntax

-file <filename>
 
 
Example:
 
ds9 -file foo.fits
 
 
 
-first
Support for VLA First Sky Survey.
 
Syntax

-first []
[<object> ]
[name <object> ]
[coord <ra> <dec> degrees| sexagesimal] # in wcs fk5
[size <width> <height> degrees| arcmin| arcsec]
[save yes| no]
[frame new| current]
[update frame| crosshair]
[open| close]
 
 
Example:
 
ds9 -first
 
ds9 -first m31
 
ds9 -first name m31
 
ds9 -first coord 00:42:44.404 +41:16:08.78 sexagesimal
 
ds9 -first size 60 60 arcmin
 
ds9 -first save yes
 
ds9 -first frame current
 
ds9 -first update frame
 
ds9 -first open
 
ds9 -first close

fits
Load FITS file.
 
Syntax

-fits <filename>
 
 
Example:
 
ds9 -fits foo.fits

sfits
Load split FITS file.
 
Syntax

-sfits <filename> <filename>
 
 
Example:
 
ds9 -sfits foo.hdr foo.arr
 
 
 
-frame
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]
[prev]
[next]
[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
 
 
 
-geometry
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
 
 
 
-green
For RGB frames, sets the current color channel to green.
 
Syntax

-green
 
 
Example:
 
ds9 -green foo.fits

grid
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 style 0| 1]
[grid gap1 <value> ]
[grid gap2 <value> ]
[axes yes| no]
[axes color <color> ]
[axes width <value> ]
[axes style 0| 1]
[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 style 0| 1]
[border yes| no]
[border color <color> ]
[border width <value> ]
[border style 0| 1]
[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 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 def1 yes| no]
[labels gap1 <value> ]
[labels text2 <text> ]
[labels def2 yes| no]
[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 style 1
 
ds9 -grid grid gap1 10
 
ds9 -grid grid gap2 10
 
ds9 -grid axes yes
 
ds9 -grid axes color red
 
ds9 -grid axes width 2
 
ds9 -grid axes style 1
 
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 style 1
 
ds9 -grid border yes
 
ds9 -grid border color red
 
ds9 -grid border width 2
 
ds9 -grid border style 1
 
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 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 def1 yes
 
ds9 -grid labels gap1 10
 
ds9 -grid labels text2 {Hello World}
 
ds9 -grid labels def2 yes
 
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
 
 
 
-geometry
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
 
 
 
-header
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
 
 
 
-height
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
 
 
 
-help
Display help information. To maintain backward compatability, -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.
 
 
 
-histequ
Select histogram equalization scale function for the current frame.
 
Syntax

-histequ
 
 
Example:
 
ds9 -histequ
 
 
 
-iconify
Toggles iconification.
 
Syntax

-iconify []
[yes| no]
 
 
Example:
 
ds9 -iconify
 
ds9 -iconify yes
 
 
 
-image
format. fits, gif, tiff (tif), jpeg (jpg), pnm, ppm formats
supported. 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

-saveimage[fits| gif| tiff| jpeg| png| ppm] <filename>
-saveimage <filename> .jpeg [1-100]
-saveimage <filename> .tiff [none| jpeg| packbits| deflate]
 
 
Example:
 
ds9 -saveimage ds9.tif
 
ds9 -saveimage jpeg ds9.jpg 75
 
 
 
-inet_only
Only use the IRAF port number. This is the same as -fifo none -unix
none.
 
Syntax

-port_only
 
 
Example:
 
ds9 -port_only
 
 
 
-invert
Invert Colormap.
 
Syntax

-invert
 
 
Example:
 
ds9 -invert
 
 
 
-iis
Set IIS Filename. Optional mosaic number maybe supplied.
 
Syntax

-iis [filename <filename> [#] ]
 
 
Example:
 
ds9 -iis filename foo.fits
 
ds9 -iis filename bar.fits 4
 
 
 
-language
Select current language.
 
Syntax

-language [locale| da| de| es| en| fr| ja| pt]
 
 
Example:
 
ds9 -language fr
 
 
 
-linear
Select linear scale function for the current frame.
 
Syntax

-linear
 
 
Example:
 
ds9 -linear
 
 
 
-lock
Lock all other frames to the current frame.
 
Syntax

-lock[frame <coordsys> | none]
[crosshair <coordsys> | none]
[crop <coordsys> | none]
[slice [yes| no] ]
[bin [yes| no] ]
[scale [yes| no] ]
[color [yes| no] ]
 
Example:
 
ds9 -lock frame wcs
 
ds9 -lock crosshair wcs
 
ds9 -lock crop wcs
 
ds9 -lock slice yes
 
ds9 -lock bin yes
 
ds9 -lock scale yes
 
ds9 -lock color yes
 
 
 
-log
Select log scale function for the current frame.
 
Syntax

-log
 
 
Example:
 
ds9 -log
 
 
 
-lower
Lower in the window stacking order.
 
Syntax

-lower
 
 
Example:
 
ds9 -lower
 
 
 
-magnifier
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
 
 
 
-mask
Controls mask parameters.
 
Syntax

-mask [color <color> ]
[mark 1| 0]
[transparency <value> ]
[clear]
[open| close]
 
 
Example:
 
ds9 -mask color red
 
ds9 -mask mark 0
 
ds9 -mask transparency 50
 
ds9 -mask clear
 
ds9 -mask open
 
ds9 -mask close
 
 
 
-match
Match all other frames to the current frame.
 
Syntax

-match[frame <coordsys> ]
[crosshair <coordsys> ]
[crop <coordsys> ]
[slice]
[bin]
[scale]
[color]
 
 
Example:
 
ds9 -match frame wcs
 
ds9 -match crosshair wcs
 
ds9 -match crop wcs
 
ds9 -match slice
 
ds9 -match bin
 
ds9 -match scale
 
ds9 -match color
 
 
 
-mecube
Load multiple extension FITS file as a cube.
 
Syntax

-mecube <filename>
 
 
Example:
 
ds9 -mecube foo.fits
 
 
 
-minmax
This is how DS9 determines the min and max data values from the
data. SCAN will scan all data. SAMPLE will sample the data every n
 
 
-mode
Select the current mode.
 
Syntax

-mode
[none| pointer| crosshair| colorbar| pan| zoom| rotate| catalog| examine]
 
 
Example:
 
ds9 -mode crosshair
 
 
 
-mosaicimage
 
 
 
-mosaic
Load FITS Mosaic image segment.
 
Syntax

-mosaic [iraf| wcs| wcsa...wcsz] <filename>
 
 
Example:
 
ds9 -mosaic iraf foo.fits
 
ds9 -mosaic wcs bar.fits
 
 
 
-movie
Create mpeg1 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 is frame. Optional parameters for 3d: number of frames,
azimuth from/to, elevation from/to, slice from/to, oscillate/repeat
times.
 
Syntax

-movie [slice| frame| 3d] <filename>
-movie 3d <filename>
[number| azfrom| azto| elfrom| elto| slfrom| slto| oscillate| repeat <#> ]
 
 
Example:
 
ds9 -movie slice ds9.mpg
 
ds9 -movie 3d ds9.mpg number 10 azfrom -60 azto 60 oscillate 1
 
 
 
-multiframe
memf
Load multiple extension FITS file into multiple frames. NOTE:
multiframe can not be used for files that have been loaded via stdin.
 
Syntax

-memf <filename>
 
 
Example:
 
ds9 -memf *.fits
 
 
 
-smosaic
Load split FITS Mosaic image segment.
 
Syntax

-smosaic [iraf| wcs| wcsa...wcsz] <filename> <filename>
 
 
Example:
 
ds9 -smosaic iraf foo.hdr foo.arr
 
ds9 -smosaic wcs foo.hdr foo.arr
 
 
 
-msg
Specify a directory of translation tables to be loaded.
 
Syntax

-msg <directory>
 
 
Example:
 
ds9 -msg $HOME/msgs
 
 
 
-nameserver
Support Name Server functions. Coordinates are in fk5.
 
Syntax

-nameserver [<object> ]
[name <object> ]
[server ned-sao| ned-eso| simbad-sao| simbad-eso]
[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
 
 
 
-nan
Set image not-a-number color.
 
Syntax

-nan <color>
 
 
Example:
 
ds9 -nan red
 
 
 
-nvss
Support for NRAO VLA Sky Survey.
 
Syntax

-nvss []
[<object> ]
[name <object> ]
[coord <ra> <dec> degrees| sexagesimal] # 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 coord 00:42:44.404 +41:16:08.78 sexagesimal
 
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> ] [<skyformat> ]
[to <x> <h> <coordsys> [<skyframe> ] [<skyformat> ]
[open| close]
 
 
Example:
 
ds9 -pan 200 200 image
 
ds9 -pan to 400 400 physical
 
ds9 -pan to 13:29:55 47:11:50 wcs fk5
 
ds9 -pan open
 
ds9 -pan close
 
 
 
-photo
Load photo image. File formats supported: gif, tiff, jpeg, png, ppm
 
Syntax

-photo <filename>
 
 
Example:
 
ds9 -photo foo.tif
 
 
 
-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. All plot commands take an optional
second command, the plot name. Use xpaget plot to retrieve all plot
names. If no plot name is specified, 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 both x and y errors
To create a new plot, use the plot new command. If the second arg is
stdin, the title, x axis title, y axis title, and dimension are
assumed to be on the first line of the data.
 
Syntax

# create new empty plot window
-plot []
[new [name <plotname> ] ]
[new [name <plotname> ] <title> <xaxis label> <yaxis label>
xy| xyex| xyey| xyexey]
# edit existing plot
-plot [<plotname> ] [close]
[<plotname> ] [clear]
[<plotname> ] [load <filename> xy| xyex| xyey| xyexey]
[<plotname> ] [save <filename> ]
[<plotname> ] [loadconfig <filename> ]
[<plotname> ] [saveconfig <filename> ]
[<plotname> ] [print]
[<plotname> ] [print destination printer| file]
[<plotname> ] [print command <command> ]
[<plotname> ] [print filename <filename> ]
[<plotname> ] [print color rgb| gray]
[<plotname> ] [pagesetup orient portrait| landscape]
[<plotname> ] [pagesetup size letter| legal| tabloid| poster| a4]
[<plotname> ] [graph grid yes| no]
[<plotname> ] [graph scale
 
 
-prefs
Controls various preference settings.
 
Syntax

-prefs clear
 
 
Example:
 
ds9 -prefs clear
 
 
 
-preserve
Preserve the follow attributes while loading a new image.
 
Syntax

preserve [scale yes| no]
[pan yes| no]
[regions yes| no]
 
 
Example:
 
ds9 -preserve scale yes
 
ds9 -preserve pan yes
 
ds9 -preserve regions yes
 
 
 
-psprint
For MacOSX and Windows, invokes postscript printing. For all others,
same as print. Please see print for further details.
 
 
-print
Controls printing. Use print option to set printing options. Use
print to actually print.
 
Syntax

-print [destination printer| file]
[command <command> ]
[filename <filename> ]
[color rgb| cmyk| gray]
[level 1| 2]
[resolution 53| 72| 75| 150| 300| 600]
 
 
Example:
 
ds9 -print
 
ds9 -print destination file
 
ds9 -print command 'gv -'
 
ds9 -print filename foo.ps
 
ds9 -print color cmyk
 
ds9 -print level 2
 
ds9 -print resolution 75
 
 
 
-private
use private colormap, valid for pseudocolor 8 mode.
 
Syntax

-private
 
 
Example:
 
ds9 -private
 
 
 
-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
 
 
 
-pow
Select power scale function for the current frame.
 
Syntax

-pow
 
 
Example:
 
ds9 -pow
 
 
 
-exit
quit
Quits DS9.
 
Syntax

-exit
-quit
 
 
Example:
 
ds9 -exit
 
 
 
-raise
Raise in the window stacking order.
 
Syntax

-raise
 
 
Example:
 
ds9 -raise
 
 
 
-regions
Controls regions in the current frame.
 
Syntax

-regions [<filename> ]
[load [all] <filename> ]
[save <filename> ]
[list [close] ]
[show yes| no]
[showtext yes| no]
[centroid]
[centroid auto yes| no]
[centroid radius <value> | iteration <value> ]
[getinfo]
[move front]
[move back]
[select all]
[select none]
[select invert]
[delete all]
[delete select]
[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>
[width <width> ]
[fixed| edit| rotate| delete yes| no]
[include| exclude| source| background]
[delim [nl| <char> ] ]
[command <marker command> ]
[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]
 
 
Example:
 
ds9 -regions foo.reg
 
ds9 -regions -format ciao bar.reg # load as ciao format
 
ds9 -regions foo.fits # FITS regions files do not need a format

specification
 
ds9 -regions load foo.reg # load foo.reg into current frame
 
ds9 -regions load all foo.reg # load foo.reg into all frames
 
ds9 -regions load '*.reg'# expand *.reg and load into current frame
 
ds9 -regions load all '*.reg' # expand *.reg and load into all
 
 
 
-red
For RGB frames, sets the current color channel to red.
 
Syntax

-red
 
 
Example:
 
ds9 -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| colorbar| 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 colorbar yes
 
ds9 -rgb lock smooth yes
 
ds9 -rgb open
 
ds9 -rgb close
 
 
 
-rgbarray
 
 
 
-rgbcube
 
 
 
-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
Enable/Disable SAMP protocol.
 
Syntax

-samp [yes| no]
[broadcast [image| table] ]
[send [image| table] <application> ]
 
 
Example:
 
ds9 -samp yes
 
ds9 -samp broadcast image
 
ds9 -samp send image aladin
 
 
 
-save
Save loaded image data of current frame as fits.
 
Syntax

-save<filename> [image| table]
 
 
Example:
 
ds9 -save foo.fits
 
ds9 -save foo.fits table
 
 
 
-saveimage
 
 
 
-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]
[lock [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 lock 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> ] ]
[sfits [key| shmid] <id> <id> [<filename> ] ]
[mosaicimage [iraf| wcs| wcsa...wcsz| wfpc2] [key| shmid] <id>
[<filename> ] ]
[mosaicimagenext [wcs| wcsa...wcsz] [key| shmid] <id>
[<filename> ] ]
[mosaic [iraf| wcs| wcsa...wcsz] [key| shmid] <id> [<filename> ] ]
[smosaic [iraf| wcs| wcsa...wcsz] [key| shmid] <id> <id>
[<filename> ] ]
[rgbcube [key| shmid] <id> [<filename> ] ]
[srgbcube [key| shmid] <id> <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 sfits 100 101 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 mosaicimagenext wcs key 100 foo
 
ds9 -shm mosaic iraf key 100 foo
 
ds9 -shm mosaic wcs key 100 foo
 
ds9 -shm smosaic wcs key 100 101 foo
 
ds9 -shm rgbcube key 100 foo
 
ds9 -shm srgbcube key 100 101 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]
 
 
 
-single
Set display mode to single.
 
Syntax

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

-skyview []
[<object> ]
[name <object> ]
[coord <ra> <dec> degrees| sexagesimal] # in wcs fk5
[size <width> <height> degrees| arcmin| arcsec]
[save yes| no]
[frame new| current]
[update frame| crosshair]
[survey sdssi| sdssr| sdssg| sdssu| sdssg]
[open| close]
 
 
Example:
 
ds9 -skyview
 
ds9 -skyview m31
 
ds9 -skyview name m31
 
ds9 -skyview coord 00:42:44.404 +41:16:08.78 sexagesimal
 
ds9 -skyview size 60 60 arcmin
 
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
 
 
 
-smooth
Smooth current image or set smooth parameters.
 
Syntax

-smooth []
[yes| no]
[function boxcar| tophat| gaussian]
[radius <int> ]
[open| close]
 
 
Example:
 
ds9 -smooth
 
ds9 -smooth yes
 
ds9 -smooth function tophat
 
ds9 -smooth radius 4
 
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
Enable tcl commands to be executed via XPA or SAMP. This can be a
major security risk and is disabled by default. Please use with
caution.
 
Syntax

-tcl [yes| no]
 
 
Example:
 
ds9 -tcl yes
 
 
 
-theme
Select GUI theme. Use native for the recommended theme for your
platform. Note: not all themes are available on all platforms.
 
Syntax

-theme [native| clam| alt| default| classic| aqua| vista| win| xp]
 
 
Example:
 
ds9 -theme clam
 
 
 
-threads
Set number of process threads for functions which are multi-threaded.
 
Syntax

-threads #
 
 
Example:
 
ds9 -threads 8
 
 
 
-tile
Controls the tile display mode.
 
Syntax

-tile []
[yes| no]
[mode grid| column| row]
[grid]
[grid mode [automatic| manual] ]
[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 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
 
 
 
-update
Updates the current frame or region of frame. In the second form, the
 
 
-url
Load FITS file from specified url.
 
Syntax

-url <url>
 
 
Example:
 
 
 
 
-version
Returns the current version of DS9 and exits.
 
Syntax

-version
 
 
Example:
 
ds9 -version
 
 
 
-view
Controls the GUI and visible RGB frame color channels.
 
Syntax

-view [layout horizontal| vertical]
[info yes| no]
[panner yes| no]
[magnifier yes| no]
[buttons yes| no]
[colorbar yes| no]
[graph horizontal| vertical yes| no]
[filename yes| no]
[object yes| no]
[minmax yes| no]
[lowhigh yes| no]
[frame yes| no]
[image| physical| wcs| wcsa...wcsz yes| no]
[red yes| no]
[green yes| no]
[blue yes| no]
 
 
Example:
 
ds9 -view layout vertical
 
ds9 -view info yes
 
ds9 -view panner yes
 
ds9 -view magnifier yes
 
ds9 -view buttons yes
 
ds9 -view colorbar yes
 
ds9 -view graph horizontal yes
 
ds9 -view filename yes
 
ds9 -view object yes
 
ds9 -view minmax yes
 
ds9 -view lowhigh yes
 
ds9 -view frame yes
 
ds9 -view wcsa yes
 
ds9 -view red yes
 
ds9 -view green yes
 
ds9 -view blue 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
[pseudocolor| pseudocolor8| truecolor| truecolor8| truecolor16| truecolor24]
 
 
Example:
 
ds9 -visual truecolor24
 
 
 
-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 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
galactic arcsec
 
ds9 foo.fits -crop match wcs
 
ds9 foo.fits -crop lock wcs
 
 
 
-web
Display specified URL in the web display.
 
Syntax

-web [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
 
 
 
-width
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
 
 
 
-xpa
Configure XPA at startup.
 
Syntax

-xpa [yes| no]
[inet| local| unix| localhost]
[noxpans]
 
 
Example:
 
ds9 -xpa no
 
ds9 -xpa local
 
ds9 -xpa noxpans
 
 
 
-zmax
Set Scale Limits based on the IRAF algorithm and maximum data value.
 
Syntax

-zmax
 
 
Example:
 
ds9 -zmax
 
 
 
-zscale
Set Scale Limits based on the IRAF algorithm.
 
Syntax

-zscale []
[contrast]
[sample]
[line]
 
 
Example:
 
ds9 -zscale
 
ds9 -zscale contrast .25
 
ds9 -zscale sample 600
 
ds9 -zscale line 120
 
 
 
-zoom
Controls the current zoom value for the current frame.
 
Syntax

-zoom [<value> ]
[<value> <value> ]
[to <value> ]
[to <value> <value> ]
[to fit]
[open| close]
 
 
Example:
 
ds9 -zoom 2
 
ds9 -zoom 2 4
 
ds9 -zoom to 4
 
ds9 -zoom to 2 4
 
ds9 -zoom to fit
 
ds9 -zoom open
 
ds9 -zoom close
 
 
 
-print
Controls printing. Use print option to set printing options. Use
print to actually print.
 
Syntax

-print [destination printer| file]
[command <command> ]
[filename <filename> ]
[color rgb| cmyk| gray]
[level 1| 2]
[resolution 53| 72| 75| 150| 300| 600]
 
 
Example:
 
ds9 -print
 
ds9 -print destination file
 
ds9 -print command 'gv -'
 
ds9 -print filename foo.ps
 
ds9 -print color cmyk
 
ds9 -print level 2
 
ds9 -print resolution 75
 
 

FILES

The complete text of the DS9 manual may be found on Debian systems at /usr/share/doc/saods9-doc/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),
 
01 May 2012