ImageMagick command arguments

Note to self for common commands use by ImageMagick:

• The manual


• The examples


• Geometry specification
  
  

  • [width]x[height][+-x+-y]

  
  
  • Cropping
    
    
    • Always use "+repage" or else...
    • 
      
    • When cropping do specify +0+0 or you'll get lots of tiles
      
    
    
  • Checking the output on the command line -- use

    xpm:-

    for output (

    -compress none pbm:-

    is also kind-of usable).
  
  
  • Thumbnail gallery:

    montage input*.jpg -tile XxY -mode Concatenate output.jpg