Voir la source de Visualisation d'images

== Utilitaires de visualisation d'images sur mingan ==

* [[#qiv|qiv]]
* [[#display|display]]


<div id="qiv"></div>

=== qiv ===

'''Q'''uick '''I'''mage '''V'''iewer est un utilitaire permettant de visualiser et de manipuler plusieurs types d'images matricielles ou vectorielles:
* .pjpeg 
* .ppm 
* .pnm 
* .pgm 
* .pbm 
* .pcx 
* .bmp 
* .eim
*.ico 
* .wmf 
* .svg

'''qiv''' est installé sur le nœud de connexion de la grappe mingan (mingan.uqar.ca).

Pour obtenir de l'information sur son utilisation:

 qiv --help
 qiv (Quick Image Viewer) v2.2.3
 Usage: qiv [options] files ...
 
 General options:
    --file, -F x           Read file names from text file x or stdin
    --bg_color, -o x       Set root background color to x
    --brightness, -b x     Set brightness to x (-32..32)
    --browse, -B           Scan directory of file for browsing
    --center, -e           Disable window centering
    --contrast, -c x       Set contrast to x (-32..32)
    --display x            Open qiv window on display x
    --do_grab, -a          Grab the pointer in windowed mode
    --disable_grab, -G     Disable pointer/kbd grab in fullscreen mode
    --fixed_width, -w x    Window with fixed width x
    --fixed_zoom, -W x     Window with fixed zoom factor (percentage x)
    --fullscreen, -f       Use fullscreen window on start-up
    --gamma, -g x          Set gamma to x (-32..32)
    --help, -h             This help screen
    --ignore_path_sort, -P Sort filenames by the name only
    --readonly, -R         Disable the deletion feature
    --maxpect, -m          Zoom to screen size and preserve aspect ratio
    --merged_case_sort, -M Sort filenames with AaBbCc... alpha order
    --no_filter, -n        Do not filter images by extension
    --no_statusbar, -i     Disable statusbar
    --statusbar, -I        Enable statusbar
    --no_sort, -D          Do not apply any sorting to the list of files
    --numeric_sort, -N     Sort filenames with numbers intuitively
    --root, -x             Set centered desktop background and exit
    --root_t, -y           Set tiled desktop background and exit
    --root_s, -z           Set stretched desktop background and exit
    --scale_down, -t       Shrink image(s) larger than the screen to fit
    --transparency, -p     Enable transparency for transparent images
    --watch, -T            Reload the image if it has changed on disk
    --recursivedir, -u     Recursively include all files
    --select_dir, -A x     Store the selected files in dir x (default is .qiv-select)
    --autorotate, -l       Autorotate JPEGs according to EXIF rotation tag
    --rotate, -q x         Rotate 90(x=1),180(x=2),270(x=3) degrees clockwise
    --xineramascreen, -X x Use screen x as preferred Xinerama screen
    --version, -v          Print version information and exit
 
 Slideshow options:
 This can also be used for the desktop background (x/y/z)
    --slide, -s            Start slideshow immediately
    --random, -r           Random order
    --shuffle, -S          Shuffled order
    --delay, -d x          Wait x seconds between images [default=3]
 
 Keys:
    space/left mouse/wheel down      next picture
    backspace/right mouse/wheel up   previous picture
    PgDn                             5 pictures forward
    PgUp                             5 pictures backward
    q/ESC/middle mouse               exit
    
    0-9                  Run 'qiv-command <key> <current-img>'
    ^<string><return>    Run 'qiv-command ^<string> <current-img>'
    ?/F1                 show keys (in fullscreen mode)
    F11/F12              in/decrease slideshow delay (1 second)
    a/A                  copy current image to .qiv-select
    d/D/del              move picture to .qiv-trash
    u                    undelete the previously trashed image
    +/=/wheel r/btn fwd  zoom in (10%)
    -/wheel l/btn back   zoom out (10%)
    e                    center mode on/off
    f                    fullscreen mode on/off
    m                    scale to screen size on/off
    t                    scale down on/off
    X                    cycle through xinerama screens
    s                    slide show on/off
    p                    transparency on/off
    r                    random order on/off
    b                    - brightness
    B                    + brightness
    c                    - contrast
    C                    + contrast
    g                    - gamma
    G                    + gamma
    o                    reset brightness, contrast, gamma
    h                    flip horizontal
    v                    flip vertical
    k                    rotate right
    l                    rotate left
    jtx<return>          jump to image number x
    jfx<return>          jump forward x images
    jbx<return>          jump backward x images
    enter/return         reset zoom, rotation and color settings
    i                    statusbar on/off
    I                    iconify window
    w                    watch file on/off
    x                    center image on background
    y                    tile image on background
    z                    stretch image on background
    <                    turn on/off magnifying window
    arrow keys                 move image (in fullscreen mode)
    arrow keys+Shift           move image faster (in fullscreen mode)
    NumPad-arrow keys+NumLock  move image faster (in fullscreen mode)
 
 Valid image extensions:
 Use --no_filter/-n to disable
    .jpg .jpeg .jpe .gif .tif .tiff .xpm .png
    .pjpeg .ppm .pnm .pgm .pbm .pcx .bmp .eim
    .ico .wmf .svg
 
 Homepage: http://qiv.spiegl.de/
 Please mail bug reports and comments to Andy Spiegl <qiv.andy@spiegl.de>


<div id="display"></div>

=== display ===

'''display''' est un utilitaire de visualisation et de transformation d'images et de fichiers '''pdf''' faisant partie de la suite '''ImageMagick'''.

Pour obtenir de l'information sur son utilisation:

 display --help
 Version: ImageMagick 6.7.2-7 2015-07-23 Q16 http://www.imagemagick.org
 Copyright: Copyright (C) 1999-2011 ImageMagick Studio LLC
 Features: OpenMP    
 
 Usage: display [options ...] file [ [options ...] file ...]
 
 Image Settings:
  -alpha option        on, activate, off, deactivate, set, opaque, copy
                       transparent, extract, background, or shape
  -antialias           remove pixel-aliasing
  -authenticate password
                       decipher image with this password
  -backdrop            display image centered on a backdrop
  -channel type        apply option to select image channels
  -colormap type       Shared or Private
  -colorspace type     alternate image colorspace
  -comment string      annotate image with comment
  -compress type       type of pixel compression when writing the image
  -define format:option
                       define one or more image format options
  -delay value         display the next image after pausing
  -density geometry    horizontal and vertical density of the image
  -depth value         image depth
  -display server      display image to this X server
  -dispose method      layer disposal method
  -dither method       apply error diffusion to image
  -endian type         endianness (MSB or LSB) of the image
  -filter type         use this filter when resizing an image
  -format string     output formatted image characteristics
  -geometry geometry   preferred size and location of the Image window
  -gravity type        horizontal and vertical backdrop placement
  -identify            identify the format and characteristics of the image
  -immutable           displayed image cannot be modified
  -interlace type      type of image interlacing scheme
  -interpolate method  pixel color interpolation method
  -label string        assign a label to an image
  -limit type value    pixel cache resource limit
  -loop iterations     loop images then exit
  -map type            display image using this Standard Colormap
  -monitor             monitor progress
  -page geometry       size and location of an image canvas
  -profile filename    add, delete, or apply an image profile
  -quality value       JPEG/MIFF/PNG compression level
  -quantize colorspace reduce colors in this colorspace
  -quiet               suppress all warning messages
  -regard-warnings     pay attention to warning messages
  -remote command      execute a command in an remote display process
  -repage geometry     size and location of an image canvas (operator)
  -respect-parentheses settings remain in effect until parenthesis boundary
  -sampling-factor geometry
                       horizontal and vertical sampling factor
  -seed value          seed a new sequence of pseudo-random numbers
  -set property value  set an image property
  -size geometry       width and height of image
  -texture filename    name of texture to tile onto the image background
  -transparent-color color
                       transparent color
  -treedepth value     color tree depth
  -update seconds      detect when image file is modified and redisplay
  -verbose             print detailed information about the image
  -visual type         display image using this visual type
  -virtual-pixel method
                       virtual pixel access method
  -window id           display image to background of this window
  -window-group id     exit program when this window id is destroyed
  -write filename      write image to a file

 Image Operators:
  -auto-orient         automagically orient image
  -border geometry     surround image with a border of color
  -clip                clip along the first path from the 8BIM profile
  -clip-path id        clip along a named path from the 8BIM profile
  -colors value        preferred number of colors in the image
  -contrast            enhance or reduce the image contrast
  -crop geometry       preferred size and location of the cropped image
  -decipher filename   convert cipher pixels to plain pixels
  -deskew threshold    straighten an image
  -despeckle           reduce the speckles within an image
  -edge factor         apply a filter to detect edges in the image
  -enhance             apply a digital filter to enhance a noisy image
  -equalize            perform histogram equalization to an image
  -extract geometry    extract area from image
  -flip                flip image in the vertical direction
  -flop                flop image in the horizontal direction
  -frame geometry      surround image with an ornamental border
  -fuzz distance       colors within this distance are considered equal
  -gamma value         level of gamma correction
  -monochrome          transform image to black and white
  -negate              replace every pixel with its complementary color
  -normalize           transform image to span the full range of colors
  -raise value         lighten/darken image edges to create a 3-D effect
  -resample geometry   change the resolution of an image
  -resize geometry     resize the image
  -roll geometry       roll an image vertically or horizontally
  -rotate degrees      apply Paeth rotation to the image
  -sample geometry     scale image with pixel sampling
  -segment value       segment an image
  -sharpen geometry    sharpen the image
  -strip               strip image of all profiles and comments
  -threshold value     threshold the image
  -thumbnail geometry  create a thumbnail of the image
  -trim                trim image edges

 Image Sequence Operators:
  -coalesce            merge a sequence of images
  -flatten             flatten a sequence of images

 Miscellaneous Options:
  -debug events        display copious debugging information
  -help                print program options
  -list type           print a list of supported option arguments
  -log format          format of debugging information
  -version             print version information

 In addition to those listed above, you can specify these standard X
 resources as command line options:  -background, -bordercolor,
  -borderwidth, -font, -foreground, -iconGeometry, -iconic, -mattecolor,
  -name, -shared-memory, -usePixmap, or -title.
 
 By default, the image format of `file' is determined by its magic
 number.  To specify a particular image format, precede the filename
 with an image format name and a colon (i.e. ps:image) or specify the
 image type as the filename suffix (i.e. image.ps).  Specify 'file' as
 '-' for standard input or output.
 
 Buttons: 
  1    press to map or unmap the Command widget
  2    press and drag to magnify a region of an image
  3    press to load an image from a visual image directory
 

'''display''' est installé sur le nœud de connexion de la grappe mingan (mingan.uqar.ca).




[[Category:Programmes et utilitaires]]
[[Category:mingan]]
[[Category:FAQ]]