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Grafiken konvertieren: Welche Optionen bietet convert von ImageMagick?

Convert liegt unter
und bietet folgende Optionen:

Usage: convert [options ...] file [ [options ...] file ...] [options ...] file

Where options include:
-adjoin join images into a single multi-image file
-affine matrix affine transform matrix
-annotate geometry text
annotate the image with text
-antialias remove pixel-aliasing
-append append an image sequence
-authenticate value decrypt image with this password
-average average an image sequence
-background color background color
-black-threshold value
forces all pixels below the threshold into black
-blue-primary point chromaticity blue primary point
-blur geometry blur the image
-border geometry surround image with a border of color
-bordercolor color border color
-channel type Red, Green, Blue, Opacity, Index, Cyan, Yellow,
Magenta, Black, or All
-charcoal radius simulate a charcoal drawing
-chop geometry remove pixels from the image interior
-clip clip along the first path from the 8BIM profile
-clip-path id clip along a named path from the 8BIM profile
-clone index clone an image
-coalesce merge a sequence of images
-colorize value colorize the image with the fill color
-colors value preferred number of colors in the image
-colorspace type alternate image colorspace
-combine combine a sequence of images
-comment string annotate image with comment
-compose operator composite image
-compress type image compression type
-contrast enhance or reduce the image contrast
-convolve coefficients
apply a convolution kernel to the image
-crop geometry preferred size and location of the cropped image
-cycle amount cycle the image colormap
-debug events display copious debugging information
-define format:option
define one or more image format options
-deconstruct break down an image sequence into constituent parts
-delay value display the next image after pausing
-delete index delete the image from the image sequence
-density geometry horizontal and vertical density of the image
-depth value image depth
-despeckle reduce the speckles within an image
-display server get image or font from this X server
-dispose method Undefined, None, Background, Previous
-dither apply Floyd/Steinberg error diffusion to image
-draw string annotate the image with a graphic primitive
-edge radius apply a filter to detect edges in the image
-emboss radius emboss an image
-encoding type text encoding type
-endian type LSB or MSB
-enhance apply a digital filter to enhance a noisy image
-equalize perform histogram equalization to an image
-evaluate operator value
evaluate an arithmetic, relational, or logical expression
-extract geometry extract area from image
-fill color color to use when filling a graphic primitive
-filter type use this filter when resizing an image
-flatten flatten a sequence of images
-flip flip image in the vertical direction
-flop flop image in the horizontal direction
-family name render text with this font family
-font name render text with this font
-frame geometry surround image with an ornamental border
-fuzz distance colors within this distance are considered equal
-fx expression apply mathematical expression to an image channel(s)
-gamma value level of gamma correction
-gaussian geometry gaussian blur an image
-geometry geometry perferred size or location of the image
-green-primary point chromaticity green primary point
-gravity type horizontal and vertical text placement
-help print program options
-implode amount implode image pixels about the center
-insert index insert last image into the image sequence
-intent type Absolute, Perceptual, Relative, or Saturation
-interlace type None, Line, Plane, or Partition
-label name assign a label to an image
-lat geometry local adaptive thresholding
-level value adjust the level of image contrast
-limit type value Area, Disk, Map, or Memory resource limit
-log format format of debugging information
-loop iterations add Netscape loop extension to your GIF animation
-map filename transform image colors to match this set of colors
-mask filename set the image clip mask
-matte store matte channel if the image has one
-mattecolor color frame color
-median radius apply a median filter to the image
-modulate value vary the brightness, saturation, and hue
-monochrome transform image to black and white
-morph value morph an image sequence
-mosaic create a mosaic from an image sequence
-negate replace every pixel with its complementary color
-noise radius add or reduce noise in an image
-normalize transform image to span the full range of colors
-opaque color change this color to the fill color
-ordered-dither NxN
ordered dither the image
-orient type image orientation
-page geometry size and location of an image canvas (setting)
-paint radius simulate an oil painting
-ping efficiently determine image attributes
-pointsize value font point size
-posterize levels reduce the image to a limited number of color levels
-preview type image preview type
-profile filename add, delete, or apply an image profile
-quality value JPEG/MIFF/PNG compression level
-radial-blur angle radial blur the image
-raise value lighten/darken image edges to create a 3-D effect
-random-threshold low,high
random threshold the image
-region geometry apply options to a portion of the image
-raise value lighten/darken image edges to create a 3-D effect
-red-primary point chromaticity red primary point
-render render vector graphics
-repage geometry size and location of an image canvas (operator)
-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
-sampling-factor geometry
horizontal and vertical sampling factor
-scale geometry scale the image
-scene value image scene number
-seed value pseudo-random number generator seed value
-segment values segment an image
-separate separate an image channel into a grayscale image
-shade degrees shade the image using a distant light source
-sharpen geometry sharpen the image
-shave geometry shave pixels from the image edges
-shear geometry slide one edge of the image along the X or Y axis
-size geometry width and height of image
-solarize threshold negate all pixels above the threshold level
-splice geometry splice the background color into the image
-spread amount displace image pixels by a random amount
-strip strip image of all profiles and comments
-stroke color graphic primitive stroke color
-strokewidth value graphic primitive stroke width
-stretch type render text with this font stretch
-style type render text with this font style
-support factor resize support: > 1.0 is blurry, < 1.0 is sharp
-swap indexes swap two images in the image sequence
-swirl degrees swirl image pixels about the center
-texture filename name of texture to tile onto the image background
-threshold value threshold the image
-thumbnail geometry create a thumbnail of the image
-tile filename tile image when filling a graphic primitive
-tint value tint the image with the fill color
-transform affine transform image
-transparent color make this color transparent within the image
-treedepth value color tree depth
-trim trim image edges
-type type image type
-undercolor color annotation bounding box color
-units type PixelsPerInch, PixelsPerCentimeter, or Undefined
-unsharp geometry sharpen the image
-verbose print detailed information about the image
-version print version information
-view FlashPix viewing transforms
-virtual-pixel method
Constant, Edge, Mirror, or Tile
-wave geometry alter an image along a sine wave
-weight type render text with this font weight
-white-point point chromaticity white point
-white-threshold value
forces all pixels above the threshold into white
-write filename write images to this file

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. Specify 'file' as
'-' for standard input or output.

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