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 \-matte store matte channel if the image has one
71 \-mattecolor color frame color
72 \-metric type measure differences between images with this metric
73 \-moments report image moments
74 \-monitor monitor progress
75 \-orient type image orientation
76 \-page geometry size and location of an image canvas (setting)
77 \-ping efficiently determine image attributes
78 \-pointsize value font point size
79 \-precision value maximum number of significant digits to print
80 \-preview type image preview type
81 \-quality value JPEG/MIFF/PNG compression level
82 \-quiet suppress all warning messages
83 \-read-mask filename associate a read mask with the image
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 \-repage geometry size and location of an image canvas
88 \-respect-parentheses settings remain in effect until parenthesis boundary
89 \-sampling-factor geometry
90 horizontal and vertical sampling factor
91 \-scene value image scene number
92 \-seed value seed a new sequence of pseudo-random numbers
93 \-size geometry width and height of image
94 \-statistic type geometry
95 replace each pixel with corresponding statistic from the neighborhood
96 \-stretch type render text with this font stretch
97 \-stroke color graphic primitive stroke color
98 \-strokewidth value graphic primitive stroke width
99 \-style type render text with this font style
100 \-support factor resize support: > 1.0 is blurry, < 1.0 is sharp
101 \-synchronize synchronize image to storage device
102 \-taint declare the image as modified
103 \-texture filename name of texture to tile onto the image background
104 \-tile-offset geometry
106 \-treedepth value color tree depth
107 \-transparent-color color
109 \-undercolor color annotation bounding box color
110 \-units type the units of image resolution
111 \-verbose print detailed information about the image
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
116 \-write-mask filename associate a write mask with the image
119 \-adaptive-blur geometry
120 adaptively blur pixels; decrease effect near edges
121 \-adaptive-resize geometry
122 adaptively resize image with data dependent triangulation
123 \-adaptive-sharpen geometry
124 adaptively sharpen pixels; increase effect near edges
125 \-annotate geometry text
126 annotate the image with text
127 \-auto-gamma automagically adjust gamma level of image
128 \-auto-level automagically adjust color levels of image
129 \-auto-orient automatically orient image
130 \-auto-threshold method
131 automatically perform image thresholding
132 \-bench iterations measure performance
133 \-black-threshold value
134 force all pixels below the threshold into black
135 \-blue-shift factor simulate a scene at nighttime in the moonlight
136 \-blur geometry reduce image noise and reduce detail levels
137 \-border geometry surround image with a border of color
138 \-brightness-contrast geometry
139 improve brightness / contrast of the image
140 \-canny geometry detect edges in the image
141 \-channel mask set the image channel mask
142 \-charcoal radius simulate a charcoal drawing
143 \-chop geometry remove pixels from the image interior
144 \-clamp keep pixel values in range (0-QuantumRange)
145 \-clip clip along the first path from the 8BIM profile
146 \-clip-mask filename associate a clip mask with the image
147 \-clip-path id clip along a named path from the 8BIM profile
148 \-colorize value colorize the image with the fill color
149 \-color-matrix matrix apply color correction to the image
150 \-connected-component connectivity
151 connected-components uniquely labeled
152 \-contrast enhance or reduce the image contrast
153 \-contrast-stretch geometry
154 improve contrast by `stretching' the intensity range
155 \-convolve coefficients
156 apply a convolution kernel to the image
157 \-cycle amount cycle the image colormap
158 \-deskew threshold straighten an image
159 \-despeckle reduce the speckles within an image
160 \-distort method args
161 distort images according to given method and args
162 \-draw string annotate the image with a graphic primitive
163 \-edge radius apply a filter to detect edges in the image
164 \-emboss radius emboss an image
165 \-enhance apply a digital filter to enhance a noisy image
166 \-equalize perform histogram equalization to an image
167 \-evaluate operator value
168 evaluate an arithmetic, relational, or logical expression
169 \-extent geometry set the image size
170 \-extract geometry extract area from image
171 \-fft implements the discrete Fourier transform (DFT)
172 \-flip flip image vertically
173 \-floodfill geometry color
174 floodfill the image with color
175 \-flop flop image horizontally
176 \-frame geometry surround image with an ornamental border
177 \-function name apply a function to the image
178 \-gamma value level of gamma correction
179 \-gaussian-blur geometry
180 reduce image noise and reduce detail levels
181 \-geometry geometry preferred size or location of the image
182 \-grayscale method convert image to grayscale
183 \-hough-lines geometry
184 identify lines in the image
185 \-identify identify the format and characteristics of the image
186 \-ift implements the inverse discrete Fourier transform (DFT)
187 \-implode amount implode image pixels about the center
188 \-lat geometry local adaptive thresholding
189 \-layers method optimize or compare image layers
190 \-level value adjust the level of image contrast
191 \-level-colors color,color
192 level image with the given colors
193 \-linear-stretch geometry
194 improve contrast by `stretching with saturation' the intensity range
195 \-liquid-rescale geometry
196 rescale image with seam-carving
197 \-mean-shift geometry delineate arbitrarily shaped clusters in the image
198 \-median geometry apply a median filter to the image
199 \-mode geometry make each pixel the 'predominant color' of the neighborhood
200 \-modulate value vary the brightness, saturation, and hue
201 \-monochrome transform image to black and white
202 \-morphology method kernel
203 apply a morphology method to the image
204 \-motion-blur geometry
206 \-negate replace each pixel with its complementary color
207 \-noise geometry add or reduce noise in an image
208 \-normalize transform image to span the full range of colors
209 \-opaque color change this color to the fill color
211 add a noise pattern to the image with specific amplitudes
212 \-paint radius simulate an oil painting
213 \-perceptible epsilon
214 pixel value less than |epsilon| become epsilon or -epsilon
215 \-polaroid angle simulate a Polaroid picture
216 \-posterize levels reduce the image to a limited number of color levels
217 \-print string interpret string and print to console
218 \-profile filename add, delete, or apply an image profile
219 \-quantize colorspace reduce colors in this colorspace
220 \-radial-blur angle radial blur the image
221 \-raise value lighten/darken image edges to create a 3-D effect
222 \-random-threshold low,high
223 random threshold the image
224 \-region geometry apply options to a portion of the image
225 \-render render vector graphics
226 \-resample geometry change the resolution of an image
227 \-resize geometry resize the image
228 \-roll geometry roll an image vertically or horizontally
229 \-rotate degrees apply Paeth rotation to the image
230 \-sample geometry scale image with pixel sampling
231 \-scale geometry scale the image
232 \-segment values segment an image
233 \-selective-blur geometry
234 selectively blur pixels within a contrast threshold
235 \-sepia-tone threshold
236 simulate a sepia-toned photo
237 \-set property value set an image property
238 \-shade degrees shade the image using a distant light source
239 \-shadow geometry simulate an image shadow
240 \-sharpen geometry sharpen the image
241 \-shave geometry shave pixels from the image edges
242 \-shear geometry slide one edge of the image along the X or Y axis
243 \-sigmoidal-contrast geometry
244 lightness rescaling using sigmoidal contrast enhancement
245 \-sketch geometry simulate a pencil sketch
246 \-solarize threshold negate all pixels above the threshold level
247 \-sparse-color method args
248 fill in a image based on a few color points
249 \-splice geometry splice the background color into the image
250 \-spread amount displace image pixels by a random amount
251 \-strip strip image of all profiles and comments
252 \-swirl degrees swirl image pixels about the center
253 \-threshold value threshold the image
254 \-thumbnail geometry create a thumbnail of the image
255 \-tile filename tile image when filling a graphic primitive
256 \-tint value tint the image with the fill color
257 \-transform affine transform image
258 \-transparent color make this color transparent within the image
259 \-transpose flip image vertically and rotate 90 degrees
260 \-transverse flop image horizontally and rotate 270 degrees
261 \-trim trim image edges
262 \-type type image type
263 \-unique-colors discard all but one of any pixel color
264 \-unsharp geometry sharpen the image
265 \-vignette geometry soften the edges of the image in vignette style
266 \-wave geometry alter an image along a sine wave
267 \-wavelet-denoise threshold
268 removes noise from the image using a wavelet transform
269 \-white-threshold value
270 force all pixels above the threshold into white
272 Image Channel Operators:
273 \-channel-fx expression
274 exchange, extract, or transfer one or more image channels
275 \-separate separate an image channel into a grayscale image
277 Image Sequence Operators:
278 \-append append an image sequence top to bottom (use +append for left to right)
279 \-clut apply a color lookup table to the image
280 \-coalesce merge a sequence of images
281 \-combine combine a sequence of images
282 \-compare mathematically and visually annotate the difference between an image and its reconstruction
283 \-complex operator perform complex mathematics on an image sequence
284 \-composite composite image
285 \-copy geometry offset,
286 copy pixels from one area of an image to another
287 \-crop geometry cut out a rectangular region of the image
288 \-deconstruct break down an image sequence into constituent parts
289 \-evaluate-sequence operator
290 evaluate an arithmetic, relational, or logical expression
291 \-flatten flatten a sequence of images
292 \-fx expression apply mathematical expression to an image channel(s)
293 \-hald-clut apply a Hald color lookup table to the image
294 \-morph value morph an image sequence
295 \-mosaic create a mosaic from an image sequence
296 \-poly terms build a polynomial from the image sequence and the corresponding terms (coefficients and degree pairs)
297 \-process arguments process the image with a custom image filter
298 \-smush geometry smush an image sequence together
299 \-write filename write images to this file
301 Image Stack Operators:
302 \-clone indexes clone an image
303 \-delete indexes delete the image from the image sequence
304 \-duplicate count,indexes
305 duplicate an image one or more times
306 \-insert index insert last image into the image sequence
307 \-reverse reverse image sequence
308 \-swap indexes swap two images in the image sequence
310 Miscellaneous Options:
311 \-debug events display copious debugging information
312 \-distribute-cache port
313 distributed pixel cache spanning one or more servers
314 \-help print program options
315 \-log format format of debugging information
316 \-list type print a list of supported option arguments
317 \-version print version information
319 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.
321 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.
326 \fBCopyright (C) 1999-2017 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
projects / imagemagick / blob