1 .TH convert 1 "Date: 2009/01/10 01:00:00" "ImageMagick"
3 convert \- convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.
6 \fBconvert\fP [\fIinput-options\fP] \fIinput-file\fP [\fIoutput-options\fP] \fIoutput-file\fP
8 The \fBconvert\fP program is a member of the ImageMagick(1) suite of tools. Use it to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.
10 For more information about the convert command, point your browser to file:///usr/local/share/doc/ImageMagick-7.0.0/www/convert.html or http://www.imagemagick.org/script/convert.php.
13 \-adjoin join images into a single multi-image file
14 \-affine matrix affine transform matrix
15 \-antialias remove pixel-aliasing
16 \-authenticate value decrypt image with this password
17 \-background color background color
18 \-bias value add bias when convolving an image
19 \-black-point-compensation
20 use black point compensation
21 \-blue-primary point chromaticity blue primary point
22 \-bordercolor color border color
23 \-caption string assign a caption to an image
24 \-cdl filename color correct with a color decision list
25 \-channel type apply option to select image channels
26 \-colors value preferred number of colors in the image
27 \-colorspace type alternate image colorspace
28 \-comment string annotate image with comment
29 \-compose operator set image composite operator
30 \-compress type type of pixel compression when writing the image
31 \-decipher filename convert cipher pixels to plain pixels
32 \-define format:option
33 define one or more image format options
34 \-delay value display the next image after pausing
35 \-density geometry horizontal and vertical density of the image
36 \-depth value image depth
37 \-direction type render text right-to-left or left-to-right
38 \-display server get image or font from this X server
39 \-dispose method layer disposal method
40 \-dither method apply error diffusion to image
41 \-encipher filename convert plain pixels to cipher pixels
42 \-encoding type text encoding type
43 \-endian type endianness (MSB or LSB) of the image
44 \-family name render text with this font family
45 \-features distance analyze image features (e.g. contrast, correlation)
46 \-fill color color to use when filling a graphic primitive
47 \-filter type use this filter when resizing an image
48 \-flatten flatten a sequence of images
49 \-font name render text with this font
50 \-format "string" output formatted image characteristics
51 \-fuzz distance colors within this distance are considered equal
52 \-gravity type horizontal and vertical text placement
53 \-green-primary point chromaticity green primary point
54 \-intent type type of rendering intent when managing the image color
55 \-interlace type type of image interlacing scheme
56 \-interpolate method pixel color interpolation method
57 \-kerning value set the space between two letters
58 \-label string assign a label to an image
59 \-limit type value pixel cache resource limit
60 \-loop iterations add Netscape loop extension to your GIF animation
61 \-mask filename associate a mask with the image
62 \-matte store matte channel if the image has one
63 \-mattecolor color frame color
64 \-monitor monitor progress
65 \-orient type image orientation
66 \-origin geometry image origin
67 \-page geometry size and location of an image canvas (setting)
68 \-ping efficiently determine image attributes
69 \-pointsize value font point size
70 \-preview type image preview type
71 \-quality value JPEG/MIFF/PNG compression level
72 \-quiet suppress all warning messages
73 \-red-primary point chromaticity red primary point
74 \-regard-warnings pay attention to warning messages
75 \-sampling-factor geometry
76 horizontal and vertical sampling factor
77 \-scene value image scene number
78 \-seed value seed a new sequence of pseudo-random numbers
79 \-size geometry width and height of image
80 \-statistic type geometry
81 replace each pixel with corresponding statistic from the neighborhood
82 \-stretch type render text with this font stretch
83 \-stroke color graphic primitive stroke color
84 \-strokewidth value graphic primitive stroke width
85 \-style type render text with this font style
86 \-support factor resize support: > 1.0 is blurry, < 1.0 is sharp
87 \-synchronize synchronize image to storage device
88 \-taint declare the image as modified
89 \-texture filename name of texture to tile onto the image background
90 \-tile-offset geometry
92 \-treedepth value color tree depth
93 \-transparent-color color
95 \-undercolor color annotation bounding box color
96 \-units type the units of image resolution
97 \-verbose print detailed information about the image
98 \-view FlashPix viewing transforms
99 \-virtual-pixel method
100 virtual pixel access method
101 \-weight type render text with this font weight
102 \-white-point point chromaticity white point
105 \-adaptive-blur geometry
106 adaptively blur pixels; decrease effect near edges
107 \-adaptive-resize geometry
108 adaptively resize image with data dependent triangulation
109 \-adaptive-sharpen geometry
110 adaptively sharpen pixels; increase effect near edges
111 \-annotate geometry text
112 annotate the image with text
113 \-auto-orient automatically orient image
114 \-black-threshold value
115 force all pixels below the threshold into black
116 \-blur geometry reduce image noise and reduce detail levels
117 \-border geometry surround image with a border of color
118 \-charcoal radius simulate a charcoal drawing
119 \-chop geometry remove pixels from the image interior
120 \-clip clip along the first path from the 8BIM profile
121 \-clip-mask filename associate a clip mask with the image
122 \-clip-path id clip along a named path from the 8BIM profile
123 \-colorize value colorize the image with the fill color
124 \-color-matrix matrix apply color correction to the image
125 \-contrast enhance or reduce the image contrast
126 \-contrast-stretch geometry
127 improve contrast by `stretching' the intensity range
128 \-convolve coefficients
129 apply a convolution kernel to the image
130 \-cycle amount cycle the image colormap
131 \-despeckle reduce the speckles within an image
132 \-draw string annotate the image with a graphic primitive
133 \-edge radius apply a filter to detect edges in the image
134 \-emboss radius emboss an image
135 \-enhance apply a digital filter to enhance a noisy image
136 \-equalize perform histogram equalization to an image
137 \-evaluate operator value
138 evaluate an arithmetic, relational, or logical expression
139 \-extent geometry set the image size
140 \-extract geometry extract area from image
141 \-fft implements the discrete Fourier transform (DFT)
142 \-flip flip image vertically
143 \-floodfill geometry color
144 floodfill the image with color
145 \-flop flop image horizontally
146 \-frame geometry surround image with an ornamental border
147 \-function name apply a function to the image
148 \-gamma value level of gamma correction
149 \-gaussian-blur geometry
150 reduce image noise and reduce detail levels
151 \-geometry geometry preferred size or location of the image
152 \-identify identify the format and characteristics of the image
153 \-ift implements the inverse discrete Fourier transform (DFT)
154 \-implode amount implode image pixels about the center
155 \-lat geometry local adaptive thresholding
156 \-layers method optimize or compare image layers
157 \-level value adjust the level of image contrast
158 \-linear-stretch geometry
159 improve contrast by `stretching with saturation' the intensity range
160 \-median geometry apply a median filter to the image
161 \-mode geometry make each pixel the 'predominant color' of the neighborhood
162 \-modulate value vary the brightness, saturation, and hue
163 \-monochrome transform image to black and white
164 \-morphology method kernel
165 apply a morphology method to the image
166 \-motion-blur geometry
168 \-negate replace each pixel with its complementary color
169 \-noise geometry add or reduce noise in an image
170 \-normalize transform image to span the full range of colors
171 \-opaque color change this color to the fill color
173 add a noise pattern to the image with specific amplitudes
174 \-paint radius simulate an oil painting
175 \-polaroid angle simulate a Polaroid picture
176 \-posterize levels reduce the image to a limited number of color levels
177 \-print string interpret string and print to console
178 \-profile filename add, delete, or apply an image profile
179 \-quantize colorspace reduce colors in this colorspace
180 \-radial-blur angle radial blur the image
181 \-raise value lighten/darken image edges to create a 3-D effect
182 \-random-threshold low,high
183 random threshold the image
184 \-region geometry apply options to a portion of the image
185 \-render render vector graphics
186 \-repage geometry size and location of an image canvas
187 \-resample geometry change the resolution of an image
188 \-resize geometry resize the image
189 \-roll geometry roll an image vertically or horizontally
190 \-rotate degrees apply Paeth rotation to the image
191 \-sample geometry scale image with pixel sampling
192 \-scale geometry scale the image
193 \-segment values segment an image
194 \-selective-blur geometry
195 selectively blur pixels within a contrast threshold
196 \-sepia-tone threshold
197 simulate a sepia-toned photo
198 \-set property value set an image property
199 \-shade degrees shade the image using a distant light source
200 \-shadow geometry simulate an image shadow
201 \-sharpen geometry sharpen the image
202 \-shave geometry shave pixels from the image edges
203 \-shear geometry slide one edge of the image along the X or Y axis
204 \-sigmoidal-contrast geometry
205 lightness rescaling using sigmoidal contrast enhancement
206 \-sketch geometry simulate a pencil sketch
207 \-solarize threshold negate all pixels above the threshold level
208 \-splice geometry splice the background color into the image
209 \-spread amount displace image pixels by a random amount
210 \-strip strip image of all profiles and comments
211 \-swirl degrees swirl image pixels about the center
212 \-threshold value threshold the image
213 \-thumbnail geometry create a thumbnail of the image
214 \-tile filename tile image when filling a graphic primitive
215 \-tint value tint the image with the fill color
216 \-transform affine transform image
217 \-transparent color make this color transparent within the image
218 \-transpose flip image vertically and rotate 90 degrees
219 \-transverse flop image horizontally and rotate 270 degrees
220 \-trim trim image edges
221 \-type type image type
222 \-unique-colors discard all but one of any pixel color
223 \-unsharp geometry sharpen the image
224 \-vignette geometry soften the edges of the image in vignette style
225 \-wave geometry alter an image along a sine wave
226 \-white-threshold value
227 force all pixels above the threshold into white
230 Image Channel Operators:
231 \-channel-extract channel-list
232 extract the channels in order
233 \-channel-inject channel-list
234 inject the channels in order
235 \-channel-swap channel,channel
238 Image Sequence Operators:
239 \-affinity filename transform image colors to match this set of colors
240 \-append append an image sequence top to bottom (use +append for left to right)
241 \-clut apply a color lookup table to the image
242 \-coalesce merge a sequence of images
243 \-combine combine a sequence of images
244 \-composite composite image
245 \-crop geometry cut out a rectangular region of the image
246 \-deconstruct break down an image sequence into constituent parts
247 \-evaluate-sequence operator
248 evaluate an arithmetic, relational, or logical expression
249 \-flatten flatten a sequence of images
250 \-fx expression apply mathematical expression to an image channel(s)
251 \-hald-clut apply a Hald color lookup table to the image
252 \-morph value morph an image sequence
253 \-mosaic create a mosaic from an image sequence
254 \-process arguments process the image with a custom image filter
255 \-separate separate an image channel into a grayscale image
256 \-smush geometry smush an image sequence together
257 \-write filename write images to this file
259 Image Stack Operators:
260 \-clone indexes clone an image
261 \-delete indexes delete the image from the image sequence
262 \-duplicate count,indexes
263 duplicate an image one or more times
264 \-insert index insert last image into the image sequence
265 \-swap indexes swap two images in the image sequence
267 Miscellaneous Options:
268 \-debug events display copious debugging information
269 \-help print program options
270 \-log format format of debugging information
271 \-list type print a list of supported option arguments
272 \-version print version information
274 Use any setting or operator as an \fIoutput-option\fP. Only a limited number of setting are \fIinput-option\fP. They include: \-antialias, \-caption, \-density, \-define, \-encoding, \-font, \-pointsize, \-size, and \-texture as well as any of the miscellaneous options.
276 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.
281 \fBCopyright (C) 1999-2012 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see file:///usr/local/share/doc/ImageMagick-7.0.0/www/license.html or http://www.imagemagick.org/script/license.php\fP