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://@DOCUMENTATION_PATH@/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 \-alpha option activate, deactivate, reset, or set the alpha channel
16 \-antialias remove pixel-aliasing
17 \-authenticate value decrypt image with this password
18 \-attenuate value lessen (or intensify) when adding noise to an image
19 \-background color background color
20 \-bias value add bias when convolving an image
21 \-black-point-compensation
22 use black point compensation
23 \-blue-primary point chromaticity blue primary point
24 \-bordercolor color border color
25 \-caption string assign a caption to an image
26 \-cdl filename color correct with a color decision list
27 \-clip clip along the first path from the 8BIM profile
28 \-clip-mask filename associate a clip mask with the image
29 \-clip-path id clip along a named path from the 8BIM profile
30 \-colors value preferred number of colors in the image
31 \-colorspace type alternate image colorspace
32 \-comment string annotate image with comment
33 \-compose operator set image composite operator
34 \-compress type type of pixel compression when writing the image
35 \-decipher filename convert cipher pixels to plain pixels
36 \-define format:option
37 define one or more image format options
38 \-delay value display the next image after pausing
39 \-density geometry horizontal and vertical density of the image
40 \-depth value image depth
41 \-direction type render text right-to-left or left-to-right
42 \-display server get image or font from this X server
43 \-dispose method layer disposal method
44 \-dither method apply error diffusion to image
45 \-encipher filename convert plain pixels to cipher pixels
46 \-encoding type text encoding type
47 \-endian type endianness (MSB or LSB) of the image
48 \-family name render text with this font family
49 \-features distance analyze image features (e.g. contrast, correlation)
50 \-fill color color to use when filling a graphic primitive
51 \-filter type use this filter when resizing an image
52 \-flatten flatten a sequence of images
53 \-font name render text with this font
54 \-format "string" output formatted image characteristics
55 \-fuzz distance colors within this distance are considered equal
56 \-gravity type horizontal and vertical text placement
57 \-green-primary point chromaticity green primary point
58 \-intensity method method to generate intensity value from pixel
59 \-intent type type of rendering intent when managing the image color
60 \-interlace type type of image interlacing scheme
61 \-interline-spacing value
62 \ set the space between two text lines
63 \-interpolate method pixel color interpolation method
64 \-interword-spacing value
65 \ set the space between two words
66 \-kerning value set the space between two letters
67 \-label string assign a label to an image
68 \-limit type value pixel cache resource limit
69 \-loop iterations add Netscape loop extension to your GIF animation
70 \-mask filename associate a mask with the image
71 \-matte store matte channel if the image has one
72 \-mattecolor color frame color
73 \-metric type measure differences between images with this metric
74 \-moments report image moments
75 \-monitor monitor progress
76 \-orient type image orientation
77 \-page geometry size and location of an image canvas (setting)
78 \-ping efficiently determine image attributes
79 \-pointsize value font point size
80 \-precision value maximum number of significant digits to print
81 \-preview type image preview type
82 \-quality value JPEG/MIFF/PNG compression level
83 \-quiet suppress all warning messages
84 \-red-primary point chromaticity red primary point
85 \-regard-warnings pay attention to warning messages
86 \-remap filename transform image colors to match this set of colors
87 \-respect-parentheses settings remain in effect until parenthesis boundary
88 \-sampling-factor geometry
89 horizontal and vertical sampling factor
90 \-scene value image scene number
91 \-seed value seed a new sequence of pseudo-random numbers
92 \-size geometry width and height of image
93 \-statistic type geometry
94 replace each pixel with corresponding statistic from the neighborhood
95 \-stretch type render text with this font stretch
96 \-stroke color graphic primitive stroke color
97 \-strokewidth value graphic primitive stroke width
98 \-style type render text with this font style
99 \-support factor resize support: > 1.0 is blurry, < 1.0 is sharp
100 \-synchronize synchronize image to storage device
101 \-taint declare the image as modified
102 \-texture filename name of texture to tile onto the image background
103 \-tile-offset geometry
105 \-treedepth value color tree depth
106 \-transparent-color color
108 \-undercolor color annotation bounding box color
109 \-units type the units of image resolution
110 \-verbose print detailed information about the image
111 \-view FlashPix viewing transforms
112 \-virtual-pixel method
113 virtual pixel access method
114 \-weight type render text with this font weight
115 \-white-point point chromaticity white point
118 \-adaptive-blur geometry
119 adaptively blur pixels; decrease effect near edges
120 \-adaptive-resize geometry
121 adaptively resize image with data dependent triangulation
122 \-adaptive-sharpen geometry
123 adaptively sharpen pixels; increase effect near edges
124 \-annotate geometry text
125 annotate the image with text
126 \-auto-gamma automagically adjust gamma level of image
127 \-auto-level automagically adjust color levels of image
128 \-auto-orient automatically orient image
129 \-bench iterations measure performance
130 \-black-threshold value
131 force all pixels below the threshold into black
132 \-blue-shift factor simulate a scene at nighttime in the moonlight
133 \-blur geometry reduce image noise and reduce detail levels
134 \-border geometry surround image with a border of color
135 \-brightness-contrast geometry
136 \ improve brightness / contrast of the image
137 \-canny geometry detect edges in the image
138 \-channel mask set the image channel mask
139 \-charcoal radius simulate a charcoal drawing
140 \-chop geometry remove pixels from the image interior
141 \-clamp keep pixel values in range (0-QuantumRange)
142 \-clip clip along the first path from the 8BIM profile
143 \-clip-mask filename associate a clip mask with the image
144 \-clip-path id clip along a named path from the 8BIM profile
145 \-colorize value colorize the image with the fill color
146 \-color-matrix matrix apply color correction to the image
147 \-connected-component connectivity
148 connected-components uniquely labeled
149 \-contrast enhance or reduce the image contrast
150 \-contrast-stretch geometry
151 improve contrast by `stretching' the intensity range
152 \-convolve coefficients
153 apply a convolution kernel to the image
154 \-cycle amount cycle the image colormap
155 \-deskew threshold straighten an image
156 \-despeckle reduce the speckles within an image
157 \-distort method args
158 \ distort images according to given method ad args
159 \-draw string annotate the image with a graphic primitive
160 \-edge radius apply a filter to detect edges in the image
161 \-emboss radius emboss an image
162 \-enhance apply a digital filter to enhance a noisy image
163 \-equalize perform histogram equalization to an image
164 \-evaluate operator value
165 evaluate an arithmetic, relational, or logical expression
166 \-extent geometry set the image size
167 \-extract geometry extract area from image
168 \-fft implements the discrete Fourier transform (DFT)
169 \-flip flip image vertically
170 \-floodfill geometry color
171 floodfill the image with color
172 \-flop flop image horizontally
173 \-frame geometry surround image with an ornamental border
174 \-function name apply a function to the image
175 \-gamma value level of gamma correction
176 \-gaussian-blur geometry
177 reduce image noise and reduce detail levels
178 \-geometry geometry preferred size or location of the image
179 \-grayscale method convert image to grayscale
180 \-hough-lines geometry
181 identify lines in the image
182 \-identify identify the format and characteristics of the image
183 \-ift implements the inverse discrete Fourier transform (DFT)
184 \-implode amount implode image pixels about the center
185 \-lat geometry local adaptive thresholding
186 \-layers method optimize or compare image layers
187 \-level value adjust the level of image contrast
188 \-level-colors color,color
189 \ level image with the given colors
190 \-linear-stretch geometry
191 improve contrast by `stretching with saturation' the intensity range
192 \-liquid-rescale geometry
193 rescale image with seam-carving
194 \-mean-shift geometry delineate arbitrarily shaped clusters in the image
195 \-median geometry apply a median filter to the image
196 \-mode geometry make each pixel the 'predominant color' of the neighborhood
197 \-modulate value vary the brightness, saturation, and hue
198 \-monochrome transform image to black and white
199 \-morphology method kernel
200 apply a morphology method to the image
201 \-motion-blur geometry
203 \-negate replace each pixel with its complementary color
204 \-noise geometry add or reduce noise in an image
205 \-normalize transform image to span the full range of colors
206 \-opaque color change this color to the fill color
208 add a noise pattern to the image with specific amplitudes
209 \-paint radius simulate an oil painting
210 \-perceptible epsilon
211 pixel value less than |epsilon| become epsilon or -epsilon
212 \-polaroid angle simulate a Polaroid picture
213 \-posterize levels reduce the image to a limited number of color levels
214 \-print string interpret string and print to console
215 \-profile filename add, delete, or apply an image profile
216 \-quantize colorspace reduce colors in this colorspace
217 \-radial-blur angle radial blur the image
218 \-raise value lighten/darken image edges to create a 3-D effect
219 \-random-threshold low,high
220 random threshold the image
221 \-region geometry apply options to a portion of the image
222 \-render render vector graphics
223 \-repage geometry size and location of an image canvas
224 \-resample geometry change the resolution of an image
225 \-resize geometry resize the image
226 \-roll geometry roll an image vertically or horizontally
227 \-rotate degrees apply Paeth rotation to the image
228 \-sample geometry scale image with pixel sampling
229 \-scale geometry scale the image
230 \-segment values segment an image
231 \-selective-blur geometry
232 selectively blur pixels within a contrast threshold
233 \-sepia-tone threshold
234 simulate a sepia-toned photo
235 \-set property value set an image property
236 \-shade degrees shade the image using a distant light source
237 \-shadow geometry simulate an image shadow
238 \-sharpen geometry sharpen the image
239 \-shave geometry shave pixels from the image edges
240 \-shear geometry slide one edge of the image along the X or Y axis
241 \-sigmoidal-contrast geometry
242 lightness rescaling using sigmoidal contrast enhancement
243 \-sketch geometry simulate a pencil sketch
244 \-solarize threshold negate all pixels above the threshold level
245 \-sparse-color method args
246 \ fill in a image based on a few color points
247 \-splice geometry splice the background color into the image
248 \-spread amount displace image pixels by a random amount
249 \-strip strip image of all profiles and comments
250 \-swirl degrees swirl image pixels about the center
251 \-threshold value threshold the image
252 \-thumbnail geometry create a thumbnail of the image
253 \-tile filename tile image when filling a graphic primitive
254 \-tint value tint the image with the fill color
255 \-transform affine transform image
256 \-transparent color make this color transparent within the image
257 \-transpose flip image vertically and rotate 90 degrees
258 \-transverse flop image horizontally and rotate 270 degrees
259 \-trim trim image edges
260 \-type type image type
261 \-unique-colors discard all but one of any pixel color
262 \-unsharp geometry sharpen the image
263 \-vignette geometry soften the edges of the image in vignette style
264 \-wave geometry alter an image along a sine wave
265 \-white-threshold value
266 force all pixels above the threshold into white
269 Image Channel Operators:
270 \-channel-fx expression
271 exchange, extract, or transfer one or more image channels
272 \-separate separate an image channel into a grayscale image
274 Image Sequence Operators:
275 \-append append an image sequence top to bottom (use +append for left to right)
276 \-clut apply a color lookup table to the image
277 \-coalesce merge a sequence of images
278 \-combine combine a sequence of images
279 \-compare mathematically and visually annotate the difference between an image and its reconstruction
280 \-complex operator perform complex mathematics on an image sequence
281 \-composite composite image
282 \-crop geometry cut out a rectangular region of the image
283 \-deconstruct break down an image sequence into constituent parts
284 \-evaluate-sequence operator
285 evaluate an arithmetic, relational, or logical expression
286 \-flatten flatten a sequence of images
287 \-fx expression apply mathematical expression to an image channel(s)
288 \-hald-clut apply a Hald color lookup table to the image
289 \-morph value morph an image sequence
290 \-mosaic create a mosaic from an image sequence
291 \-poly terms build a polynomial from the image sequence and the corresponding terms (coefficients and degree pairs)
292 \-process arguments process the image with a custom image filter
293 \-smush geometry smush an image sequence together
294 \-write filename write images to this file
296 Image Stack Operators:
297 \-clone indexes clone an image
298 \-delete indexes delete the image from the image sequence
299 \-duplicate count,indexes
300 duplicate an image one or more times
301 \-insert index insert last image into the image sequence
302 \-reverse reverse image sequence
303 \-swap indexes swap two images in the image sequence
305 Miscellaneous Options:
306 \-debug events display copious debugging information
307 \-distribute-cache port
308 distributed pixel cache spanning one or more servers
309 \-help print program options
310 \-log format format of debugging information
311 \-list type print a list of supported option arguments
312 \-version print version information
314 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.
316 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.
321 \fBCopyright (C) 1999-2015 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see file://@DOCUMENTATION_PATH@/www/license.html or http://www.imagemagick.org/script/license.php\fP
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