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Ximage
Release Notes Version 3.00
Part of HEAsoft 5.0 - February 10, 2000
* Changes in version 3
  • Dynamically allocated image maps
  • Linux support
  • Internal image header accessed by keywords
  • Mission database defining mission-specific settings
  • Removed platform-dependent binary calibration files
  • Increased color resolution (Up to 83 levels)
  • Readline capability allows command recall and filename completion
  • Qualifiers to specify PGPLOT attributes in plotting commands
* New commands
  • centroid - Centroid calculation
  • chheader - Change internal header
  • chmdb - Change mission database
  • colors - Show and manipulate available colors
  • counts - Sum counts in selected area
  • excess - Find excesses (background + excess + search = detect)
  • flip - Flip image (horizontal, vertical, +/-90 degrees)
  • free_saved - Free memory of saved image
  • keywords - List help keywords
  • levels - Manipulate image levels
  • offset - Calculate angular offset between two points
  • powplot - Spawn POWplot image viewer
  • search - Slide-cell search (background + excess + search = detect)
  • surface - Plot pseudo-3d surface
  • timestamp - Print the time on the image plot
  • value - Print pixel values, an alias for polygon
  • viewport - Set configuration for multiple plots on page
  • vplabel - Label the viewport
* New options
  • background
    • /barylim=x - Set the barycenter limit
    • /bxhprob=x - Set the box half match probability
    • /flat_value=x - Set background to flat value
    • /infile=[filename] - Load background data from /outfile text file
    • /outfile=[filename] - Write background data to text file
    • /reset - Reset internal background data
    • /sigmult=x - Set the sigma multiplier
  • cct
    • /bcreset - Reset brightness and contrast
    • /brightness - Set brightness value
    • /contrast - Set contrast value
    • /cursor - Set brightness and contrast interactively
    • /outfile=[filename] - Write current color table to file
    • /reset - Reset to starting color table
    • /reverse - Reverse color table
    • /set - Set color table for future images
  • contour
    • /coordsaved - Plot contour with coordinates of saved map
    • /loaded - Plot contour with loaded levels
    • /nobox - Do not plot box or frame
    • /spectrogram - Label contours as spectrogram
    • /sqrt - Plot with square-root scaling
  • detect
    • /flat_value=x - Set background to flat value
    • /nolabel - Do not label detected sources
  • display
    • /loaded - Display with loaded levels
    • /minlevel=x - Set minimum level
    • /maxlevel=x - Set maximum level
    • /nobox - Do not plot box or frame
    • /sqrt - Plot with square-root scaling
  • extract
    • /cl3file=[filename] - Write new color-color file format
  • info
    • /compass - Plots compass on image
    • /cursor - Cursor specifies location
    • /textonly - Plots info text only
  • label
    • /angle=x - Set angle of label
    • /cursor - Set location of label interactively
    • /just=[LEFT,RIGHT,CENTER] - Set justification of label
    • /vx=x/vy=y - Set location of label in viewport coordinates
  • polygon
    • /boxsize=n - Prints values <=n pixels from selected point
    • /label - Plots value on image
  • psf
    • /energy=x - Set the energy to use with energy-dependent psf
    • /engfile=[filename] - Set the energy spectrum to use with energy-dependent psf
    • /multpsffile=[filename] - Output psf file
    • /noplot - Do not plot psf
  • read_image
    • /bscale=x - Apply scaling to image
    • /bzero=x - Apply offset to image
    • /gtifile=[filename] - Use specified GTI file to filter events
    • /gtimode=[AND,OR,SUB,NONE] - Set mode for usage of GTI file
    • /expr=[filter expression] - Apply filter to events
    • /szx=x/sxy=y - Set size for nonsquare image
    • /unknown - Ignore mission info and assume unknown mission
    • /zcol=[column name] - Specify column to pile on pixel values in image
  • remove_sources
    • /constant=n - Replace removed area with constant value
    • /regionfile=[filename] - Remove area defined in region file
  • rescale
    • /file_vector=[filename] - Specify vector defined in text file for scaling
    • /column=n - Specify column in vector file
    • /x_direction - Specify x direction for vector scaling
    • /y_direction - Specify y direction for vector scaling
    • /divide - Divide constant or vector
    • /min_fraction=x - Minimum fraction in vector division to zero out
    • /to_exposure=x - Scale to exposure value
  • scale
    • /top/bottom/left/right - Set location of scale
    • /curvp - Plot with respect to current viewport
    • /margin=x - Set margin between scale and viewport
    • /spacing=x - Set spacing between labels and scale
    • /thickness=x - Set thickness of scale
  • skymap
    • /sdc - Queries SDC
  • slice
    • /connect - Plot connected lines in spectrogram
    • /error=x - Set size of error bars
    • /infile=[filename] - Plot values in input text file over image
    • /minframe=x - Set minimum value of plot area
    • /maxframe=x - Set maximum value of plot area
    • /plot - Plot slice output in separate window
  • smooth
    • /back_brightness=x - Scale smoothed image to specified background
    • /to_exposure=x - Scale smoothed image to specified exposure
  • title
    • /reset - Reset title to default
* Altered commands and options
  • contour
    • /scale=x - Replaced by contour/csize=x
    • /levels_from_file/file=[filename] - Replaced by:
      levels/load [filename]
      cont/loaded
  • detect
    • /file_out=[filename] - Replaced by detect/filedet=[filename]
  • display
    • /scale=x - Replaced by display/csize=x
    • /user_defined - Removed. Create levels file and "levels/load [filename]" for similar effect
    • /levels_from_file/file=[filename] - Replaced by:
      levels/load [filename]
      disp/loaded
    • /table=[tablename] - Never implemented, but functionally the same as:
      cct/set [tablename]
      display
    • /refresh - Removed. Never actually implemented
  • extract
    • /energy - Replaced with /ecol. extract/energy -> extract/ecol=PHA
    • /phalow=n/phahigh=m - Replaced with extract/eminqdp=n/emaxqdp=m
    • /phafile=[filename] - Removed (Format no longer supported by mkpha)
  • header
    • /exposure - Replaced by header/mapid=EXMAP
  • info
    • /scale - Replaced by info/csize=x
    • /xs=x/ys=y - Replaced by info/xpix=x/ypix=y
  • label
    • /scale - Replaced by label/csize=x
    • /size_of_symbol=x - Replaced by label/symcsize=x
    • /width_of_symbol=x - Replaced by label/symlwidth=x
  • read_image
    • /compressed - Removed
    • /degrees - Removed, parser can determine format
    • /exp_map - Replaced by read/exposure_map
    • /header - Removed
    • /min_pha=n/max_pha=m - Replaced by read/ecol=pha/emin=n/emax=m
    • /min_pi=n/max_pi=m - Replaced by read/ecol=pi/emin=n/emax=m
    • /t_min=t1/t_max=t2 - Replaced by read/tmin=t1/tmax=t2
    • /xpr - Removed
  • remove_sources
    • /zero - Replaced by remove_sources/constant=0
  • scale
    • /no_of_ticks=n - Renamed to more accurate no_of_divisions
  • show
    • detectors - Removed, use chmdb/list
  • skymap
    • /old - Removed, use skymap/file=[filename] to read existing file
    • /rfits_simbad - Removed
  • slice
    • /output/file=[filename] - Replaced by slice/outfile=[filename]
* Commands no longer available
  • cda - Change display area, replaced by viewport
  • check - Check detect vs. simulate
  • cl - Change number of color levels, replaced by levels/number=n
  • dir - List current directory, use $ls
  • save_levels - Save current color levels, replaced by levels/save [filename]
  • flux - Return flux for given count rate (simple models) use xspec
  • simulate - See web version at http://www.sdc.asi.it
Ximage Home Page Xanadu Home Page Xanadu ftp site
Please send reports of errors to : xanprob@athena.gsfc.nasa.gov
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Last modified: Wednesday, 12-Jul-2006 09:10:27 EDT