National Aeronautics and Space Administration

General Plotting

• Display, surface, contour image
  • disurcon.xco
    
  • smtha2142.img.gz

  !
  ! Plots image, surface, contour diagonally
  !
  read/size=300/xp=4000/yp=3970 smtha2142.img
  vie 3diag
  cct/set blue4
  lev/num=64
  disp/sqrt/minlev=20/maxlev=350
  surf/avg/per=50/nofram/slant=5
  con/sqrt/col=66
  
  

Colors

• Brightness image
  • bright.xco
  • h2321n58.xib.gz

   
  !
  !  Brightness
  !
  !  This script is intended only for static-color devices, such as 
  !  TrueColor /XW.
  !
  read/xpi=514/ypi=500/size=-8 h2321n58.xib
  smooth
  lev/num=32
  vie 3x1
  cct/bri=0.4/set bluyel
  disp
  vplab/cur/font=rom "Bright=0.4"
  scale/cur/csize=0
  cct/bri=0.5/set
  disp
  vplab/cur/font=rom "Bright=0.5"
  scale/cur/csize=0
  cct/bri=0.6/set
  disp
  vplab/cur/font=rom "Bright=0.6"
  scale/cur/csize=0
  
  

• Constrast image
  • contrast.xco
  • h2321n58.xib.gz

   
  !
  !  Contrast
  !
  !  This script is intended only for static-color devices, such as 
  !  TrueColor /XW.
  !
  read/xpi=514/ypi=500/size=-8 h2321n58.xib
  smooth
  lev/num=32
  vie 3x1
  cct/con=0.8/set bluyel
  disp
  vplab/cur/font=rom "Constrast=0.8"
  scale/cur/csize=0
  cct/con=1.0/set
  disp
  vplab/cur/font=rom "Constrast=1.0"
  scale/cur/csize=0
  cct/con=1.2/set
  disp
  vplab/cur/font=rom "Constrast=1.2"
  scale/cur/csize=0
  
  

• Reversed image
  • reverse.xco
  • h2321n58.xib.gz

   
  !
  !  Reversed Color Table
  !
  !  This script is intended only for static-color devices, such as 
  !  TrueColor /XW.
  !
  read/xpi=514/ypi=500/size=-8 h2321n58.xib
  smooth
  lev/num=32
  vie 2x1
  cct/set bluyel
  disp
  vplab/cur/font=rom "Bluyel Table: Normal"
  scale/cur/csize=0
  cct/rev/set bluyel
  disp
  vplab/cur/font=rom "Bluyel Table: Reversed"
  scale/cur/csize=0
  
  

Scaling

• Scaling image
  • scaling.xco
  • smtha2142.img.gz

   
  !
  !  Image Scalings
  !
  vie 2x2
  read/size=300/xp=4000/yp=3970 smtha2142.img
  lev/num=32
  cct/set blue4
  disp
  vplab/font=rom/csize=1.0/cur "Histogram Equalization"
  disp/lin
  vplab/font=rom/csize=1.0/cur "Linear Scaling"
  disp/log
  vplab/font=rom/csize=1.0/cur/bot "Log Scaling"
  disp/sqrt
  vplab/font=rom/csize=1.0/cur/bot "Square-root Scaling"
  
  

Number of Levels

• Levels image
  • levels.xco
  • smtha2142.img.gz

   
  !
  !  Number of Levels (16 vs. 64)
  !
  !  This script is intended only for static-color devices, such as 
  !  TrueColor /XW.
  !
  read/size=300/xp=4000/yp=3970 smtha2142.img
  vie 2x2
  cct/set spectrum
  disp/lin
  vplab/cur/csize=1/font=rom "Levels=16"
  vplab/left/cur/csize=1/font=rom "Linear"
  lev/num=64 
  disp/lin
  vplab/cur/csize=1/font=rom "Levels=64"
  lev/num=16
  disp
  vplab/left/cur/csize=1/font=rom "Histogram Equalization"
  scale/csize=0/cur
  lev/num=64 
  disp
  scale/csize=0/cur
  
  

Viewports

• Viewport configuration image
  • vpc.xco
  • smtha2142.img.gz

   
  !
  !  Show behavior of DISPLAY and CONTOUR under viewport configuration 
  !
  read/size=300/xp=4000/yp=3970 smtha2142.img
  vie 3x1
  cct/set spectrum
  disp/lin
  vplab/cur/csize=1/font=rom "DISPLAY"
  con/lin/first=2
  vplab/cur/csize=1/font=rom "CONTOUR"
  disp/lin
  con/lin/over/first=2
  vplab/cur/csize=1/font=rom "DISPLAY, CONTOUR/OVERLAY"
  
  

Labelling

• Labelling image
  • label.xco
  • casacha.fits.gz

   
  !
  !  Labelling example
  !
  read casacha.fits
  cct/set blue4
  smooth/sig=1
  level/num=32
  disp/log/left
  title " " 
  title/low " "
  disp/log/right/over/noframe
  vplabel/top/mar=-1.5/just=left/pos=0.05/font=rom "Chandra"
  vplabel/bot/just=right/font=rom "CAS A"
  label/symbol=24/xp=3811/yp=4000/color=7/csize=1/font=rom "Could it be?"
  scale