github.com/kaydxh/golang@v0.0.131/pkg/gocv/cgo/third_path/graphics-magick/share/doc/GraphicsMagick/www/identify.html (about) 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 2 "http://www.w3.org/TR/html4/loose.dtd"> 3 <html> 4 <head> 5 <meta HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=us-ascii"> 6 <title>GraphicsMagick GM Utility</title> 7 <style type=text/css> 8 <!-- 9 @page { size: 8.5in 11in } 10 TD P { color: #000000; font-family: "Verdana", "Arial", "Helvetica", sans-serif; font-size: 12pt } 11 P { color: #000000; font-family: "Verdana", "Arial", "Helvetica", sans-serif; font-size: 12pt } 12 A:link { color: #00B04F } 13 A:visited { color: #007B37 } 14 --> 15 </style> 16 17 </head> 18 <body LANG="en-US" TEXT="#000000" LINK="#00B04F" VLINK="#007B37" BGCOLOR="#ffffff"> 19 <a name="top"></a> 20 <table border=0 cellpadding=10 cellspacing=0 style="margin-top:-17px" width="100%"><tr><td> 21 <br> <br> 22 <table BORDER=0 WIDTH="100%"> 23 <tr> 24 <td ALIGN=LEFT bgcolor="#FFFFFF"><img 25 SRC="images/right_triangle.png" ALT=">" BORDER=0 26 height=14 width=15><b><font face="Helvetica, Arial"><font 27 color="#00B04F"><font size="+1"> 28 <a NAME="gm identify"></a>gm identify 29 </font></font></font></b></td></tr></table> 30 <table width="94%" border="0" cellspacing="0" cellpadding="8"> 31 <tr><td width="3%"><br></td><td> 32 <table BORDER=0 WIDTH="100%"> 33 <tr> 34 <td ALIGN=LEFT bgcolor="#FFFFFF"><img 35 SRC="images/right_triangle.png" ALT=">" BORDER=0 36 height=14 width=15><b><font face="Helvetica, Arial"><font 37 color="#00B04F"><font size="+1"> 38 <a NAME="ident-top"></a>NAME 39 </font></font></font></b></td></tr></table> 40 <table width="94%" border="0" cellspacing="0" cellpadding="8"> 41 <tr><td width="3%"><br></td><td> 42 identify - describe an image or image sequence. 43 </td></tr></table> 44 <table BORDER=0 WIDTH="100%"> 45 <tr> 46 <td ALIGN=LEFT bgcolor="#FFFFFF"><img 47 SRC="images/right_triangle.png" ALT=">" BORDER=0 48 height=14 width=15><b><font face="Helvetica, Arial"><font 49 color="#00B04F"><font size="+1"> 50 <a NAME="ident-contents"></a>Contents 51 </font></font></font></b></td></tr></table> 52 <table width="94%" border="0" cellspacing="0" cellpadding="8"> 53 <tr><td width="3%"><br></td><td> 54 <dl> 55 <dt> 56 <a href="#ident-syno">Synopsis</a> 57 </dt> 58 <dt> 59 <a href="#ident-desc">Description</a> 60 </dt> 61 <dt> 62 <a href="#ident-opti">Options</a> 63 </dt> 64 </dl> 65 </td></tr></table> 66 <table BORDER=0 WIDTH="100%"> 67 <tr> 68 <td ALIGN=LEFT bgcolor="#FFFFFF"><img 69 SRC="images/right_triangle.png" ALT=">" BORDER=0 70 height=14 width=15><b><font face="Helvetica, Arial"><font 71 color="#00B04F"><font size="+1"> 72 <a NAME="ident-syno"></a>Synopsis 73 </font></font></font></b></td></tr></table> 74 <table width="94%" border="0" cellspacing="0" cellpadding="8"> 75 <tr><td width="3%"><br></td><td> 76 <p> 77 <strong>gm identify</strong> <em>file</em> [ <em>file</em> ... ] 78 <br> <br> 79 </td></tr></table> 80 <table BORDER=0 WIDTH="100%"> 81 <tr> 82 <td ALIGN=LEFT bgcolor="#FFFFFF"><img 83 SRC="images/right_triangle.png" ALT=">" BORDER=0 84 height=14 width=15><b><font face="Helvetica, Arial"><font 85 color="#00B04F"><font size="+1"> 86 <a NAME="ident-desc"></a>Description 87 </font></font></font></b></td></tr></table> 88 <table width="94%" border="0" cellspacing="0" cellpadding="8"> 89 <tr><td width="3%"><br></td><td> 90 <p> 91 <strong>Identify</strong> describes the format and characteristics of one or 92 more image files as internally supported by the software. It will also 93 report if an image is incomplete or corrupt. The information 94 displayed includes the scene number, the file name, the width and 95 height of the image, whether the image is colormapped or not, the 96 number of colors in the image, the number of bytes in the image, the 97 format of the image (JPEG, PNM, etc.), and finally the number of 98 seconds in both user time and elapsed time it took to read and process 99 the image. If -verbose or +ping are provided as an option, the pixel 100 read rate is also displayed. An example line output from 101 <strong>identify</strong> follows: 102 <pre> 103 images/aquarium.miff 640x480 PseudoClass 256c 104 308135b MIFF 0.000u 0:01 105 </pre> 106 <p> 107 If <tt>-verbose</tt> is set, expect additional output including any image 108 comment: 109 <br> <br> 110 <pre> 111 Image: images/aquarium.miff 112 class: PseudoClass 113 colors: 256 114 signature: eb5dca81dd93ae7e6ffae99a527eb5dca8... 115 matte: False 116 geometry: 640x480 117 depth: 8 118 bytes: 308135 119 format: MIFF 120 comments: 121 Imported from MTV raster image: aquarium.mtv 122 </pre> 123 <p> 124 For some formats, additional format-specific information about the file 125 will be written if the <tt>-debug coder</tt> or <tt>-debug all</tt> option 126 is used. 127 </td></tr></table> 128 <p> 129 <i><a href="#top">Back to Contents</a></i> 130 </p> 131 <table BORDER=0 WIDTH="100%"> 132 <tr> 133 <td ALIGN=LEFT bgcolor="#FFFFFF"><img 134 SRC="images/right_triangle.png" ALT=">" BORDER=0 135 height=14 width=15><b><font face="Helvetica, Arial"><font 136 color="#00B04F"><font size="+1"> 137 <a NAME="ident-opti"></a>Identify options 138 </font></font></font></b></td></tr></table> 139 <table width="94%" border="0" cellspacing="0" cellpadding="8"> 140 <tr><td width="3%"><br></td><td> 141 <p> 142 Options are processed in command line order. Any option you specify on 143 the command line remains in effect for the set of images immediately 144 following, until the set is terminated by the appearance of any option 145 or <strong>-noop</strong>. 146 <p> 147 For a more detailed description of each option, see 148 Options, above. 149 <a href="GraphicsMagick.html"><em>GraphicsMagick(1)</em></a>. 150 <br> <br> 151 <table BORDER=0 WIDTH="94%"> 152 <tr> 153 <td width="3%"><br></td> 154 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 155 <img SRC="images/right_triangle_option.png" 156 ALT=">" BORDER=0 height=14 157 width=15><b><font face="Helvetica, Arial" 158 ><font color="#00B04F"><font size="+1"> 159 <a href="GraphicsMagick.html#details-authenticate">-authenticate</a> <i><string></i> 160 </font></font></font></b></td></tr></table> 161 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>decrypt image with this password</td></tr></table> 162 <table BORDER=0 WIDTH="94%"> 163 <tr> 164 <td width="3%"><br></td> 165 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 166 <img SRC="images/right_triangle_option.png" 167 ALT=">" BORDER=0 height=14 168 width=15><b><font face="Helvetica, Arial" 169 ><font color="#00B04F"><font size="+1"> 170 -debug <i><events></i> 171 </font></font></font></b></td></tr></table> 172 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>enable debug printout</td></tr></table> 173 <table BORDER=0 WIDTH="94%"> 174 <tr> 175 <td width="3%"><br></td> 176 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 177 <img SRC="images/right_triangle_option.png" 178 ALT=">" BORDER=0 height=14 179 width=15><b><font face="Helvetica, Arial" 180 ><font color="#00B04F"><font size="+1"> 181 <a href="GraphicsMagick.html#details-define">-define</a> <i><key></i>{<i>=<value></i>}<i>,...</i> 182 </font></font></font></b></td></tr></table> 183 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>add coder/decoder specific options</td></tr></table> 184 <table BORDER=0 WIDTH="94%"> 185 <tr> 186 <td width="3%"><br></td> 187 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 188 <img SRC="images/right_triangle_option.png" 189 ALT=">" BORDER=0 height=14 190 width=15><b><font face="Helvetica, Arial" 191 ><font color="#00B04F"><font size="+1"> 192 <a href="GraphicsMagick.html#details-density">-density</a> <i><width>x<height></i> 193 </font></font></font></b></td></tr></table> 194 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>horizontal and vertical resolution in pixels of the image</td></tr></table> 195 <table BORDER=0 WIDTH="94%"> 196 <tr> 197 <td width="3%"><br></td> 198 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 199 <img SRC="images/right_triangle_option.png" 200 ALT=">" BORDER=0 height=14 201 width=15><b><font face="Helvetica, Arial" 202 ><font color="#00B04F"><font size="+1"> 203 <a href="GraphicsMagick.html#details-depth">-depth</a> <i><value></i> 204 </font></font></font></b></td></tr></table> 205 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>depth of the image</td></tr></table> 206 <table BORDER=0 WIDTH="94%"> 207 <tr> 208 <td width="3%"><br></td> 209 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 210 <img SRC="images/right_triangle_option.png" 211 ALT=">" BORDER=0 height=14 212 width=15><b><font face="Helvetica, Arial" 213 ><font color="#00B04F"><font size="+1"> 214 <a href="GraphicsMagick.html#details-format">-format</a> <i><string></i> 215 </font></font></font></b></td></tr></table> 216 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>output formatted image characteristics</td></tr></table> 217 <table BORDER=0 WIDTH="94%"> 218 <tr> 219 <td width="3%"><br></td> 220 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 221 <img SRC="images/right_triangle_option.png" 222 ALT=">" BORDER=0 height=14 223 width=15><b><font face="Helvetica, Arial" 224 ><font color="#00B04F"><font size="+1"> 225 -help 226 </font></font></font></b></td></tr></table> 227 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>print usage instructions</td></tr></table> 228 <table BORDER=0 WIDTH="94%"> 229 <tr> 230 <td width="3%"><br></td> 231 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 232 <img SRC="images/right_triangle_option.png" 233 ALT=">" BORDER=0 height=14 234 width=15><b><font face="Helvetica, Arial" 235 ><font color="#00B04F"><font size="+1"> 236 <a href="GraphicsMagick.html#details-interlace">-interlace</a> <i><type></i> 237 </font></font></font></b></td></tr></table> 238 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>the type of interlacing scheme</td></tr></table> 239 <table BORDER=0 WIDTH="94%"> 240 <tr> 241 <td width="3%"><br></td> 242 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 243 <img SRC="images/right_triangle_option.png" 244 ALT=">" BORDER=0 height=14 245 width=15><b><font face="Helvetica, Arial" 246 ><font color="#00B04F"><font size="+1"> 247 <a href="GraphicsMagick.html#details-limit">-limit</a> <i><type> <value></i> 248 </font></font></font></b></td></tr></table> 249 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>Disk, File, Map, Memory, Pixels, Width, Height or Threads resource limit</td></tr></table> 250 <table BORDER=0 WIDTH="94%"> 251 <tr> 252 <td width="3%"><br></td> 253 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 254 <img SRC="images/right_triangle_option.png" 255 ALT=">" BORDER=0 height=14 256 width=15><b><font face="Helvetica, Arial" 257 ><font color="#00B04F"><font size="+1"> 258 <a href="GraphicsMagick.html#details-log">-log</a> <i><string></i> 259 </font></font></font></b></td></tr></table> 260 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>Specify format for debug log</td></tr></table> 261 <table BORDER=0 WIDTH="94%"> 262 <tr> 263 <td width="3%"><br></td> 264 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 265 <img SRC="images/right_triangle_option.png" 266 ALT=">" BORDER=0 height=14 267 width=15><b><font face="Helvetica, Arial" 268 ><font color="#00B04F"><font size="+1"> 269 -ping 270 </font></font></font></b></td></tr></table> 271 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>efficiently determine image characteristics</td></tr></table> 272 <table BORDER=0 WIDTH="94%"> 273 <tr> 274 <td width="3%"><br></td> 275 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 276 <img SRC="images/right_triangle_option.png" 277 ALT=">" BORDER=0 height=14 278 width=15><b><font face="Helvetica, Arial" 279 ><font color="#00B04F"><font size="+1"> 280 <a href="GraphicsMagick.html#details-sampling-factor">-sampling-factor</a> <i><horizontal_factor>x<vertical_factor></i> 281 </font></font></font></b></td></tr></table> 282 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>chroma subsampling factors</td></tr></table> 283 <table BORDER=0 WIDTH="94%"> 284 <tr> 285 <td width="3%"><br></td> 286 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 287 <img SRC="images/right_triangle_option.png" 288 ALT=">" BORDER=0 height=14 289 width=15><b><font face="Helvetica, Arial" 290 ><font color="#00B04F"><font size="+1"> 291 <a href="GraphicsMagick.html#details-size">-size</a> <i><width>x<height></i>{<i>+offset</i>}<i></i> 292 </font></font></font></b></td></tr></table> 293 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>width and height of the image</td></tr></table> 294 <table BORDER=0 WIDTH="94%"> 295 <tr> 296 <td width="3%"><br></td> 297 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 298 <img SRC="images/right_triangle_option.png" 299 ALT=">" BORDER=0 height=14 300 width=15><b><font face="Helvetica, Arial" 301 ><font color="#00B04F"><font size="+1"> 302 <a href="GraphicsMagick.html#details-verbose">-verbose</a> 303 </font></font></font></b></td></tr></table> 304 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>print detailed information about the image</td></tr></table> 305 <table BORDER=0 WIDTH="94%"> 306 <tr> 307 <td width="3%"><br></td> 308 <td ALIGN=LEFT BGCOLOR="#FFFFFF"> 309 <img SRC="images/right_triangle_option.png" 310 ALT=">" BORDER=0 height=14 311 width=15><b><font face="Helvetica, Arial" 312 ><font color="#00B04F"><font size="+1"> 313 <a href="GraphicsMagick.html#details-version">-version</a> 314 </font></font></font></b></td></tr></table> 315 <table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>print GraphicsMagick version string</td></tr></table> 316 <p> 317 For a more detailed description of each option, see 318 Options, above. 319 <a href="GraphicsMagick.html"><em>GraphicsMagick(1)</em></a>. 320 <br> <br> 321 </td></tr></table> 322 <p> 323 <i><a href="#top">Back to Contents</a></i> 324 </p>