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Export

Usage

Export["file.ext", expr] 把数据输出到一个文件,并根据文件扩展名把它转化为相应格式.
Export["file", expr, "format"]把数据输出到一个文件,并把它转化为指定格式.


Notes

Export可以处理数值和文本数据,图象,声音,以及来自笔记本的资料.
• 对于数值和文本数据,Mathematica支持下列基本格式:
"\!\(\*StyleBox[\"\\\"\\\\\\\"Lines\\\\\\\"\\\"\", \"MR\"]\) "将被放在单独行上的字符串列表
"\!\(\*StyleBox[\"\\\"\\\\\\\"List\\\\\\\"\\\"\", \"MR\"]\) "将被放在单独行上的数字或字符串列表
"\!\(\*StyleBox[\"\\\"\\\\\\\"Table\\\\\\\"\\\"\", \"MR\"]\) "将被放在二维阵列中的数字或字符串列表(.dat)
"\!\(\*StyleBox[\"\\\"\\\\\\\"Text\\\\\\\"\\\"\", \"MR\"]\) "普通字符的单个字符串(.txt)
"\!\(\*StyleBox[\"\\\"\\\\\\\"UnicodeText\\\\\\\"\\\"\", \"MR\"]\) "16-位Unicode字符的单个字符串
"\!\(\*StyleBox[\"\\\"\\\\\\\"Words\\\\\\\"\\\"\", \"MR\"]\) "将由空格分开的字符串列表
• 在 ListTable格式中,数字在必要时以C或Fortran中类似"E"表示写出.
• 机器精度数在缺省情形下以6个数位精度写出. •在Table格式中,行与行之间由空格分开.
Export["name.txt", expr] 使用"Text"格式.
Export["name.dat", expr] 使用"Table"格式.
• 对于数值和文本数据,Mathematica 也支持下列附加格式:
"\!\(\*StyleBox[\"\\\"\\\\\\\"HDF\\\\\\\"\\\"\", \"MR\"]\) "分等级数据格式""(.hdf)
"\!\(\*StyleBox[\"\\\"\\\\\\\"MAT\\\\\\\"\\\"\", \"MR\"]\) " "MAT"矩阵格式(.mat)
Export中的所有图形格式都可以处理任意类型的2D或3D Mathematica图形
• 它们也能处理NotebookCell对象.
• 在一些格式中,可以给出动画帧的列表. • 输出图形时可以使用的可选项:
"\!\(\*StyleBox[\"\\\"ImageResolution\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) "以dpi表示的图形清晰度
"\!\(\*StyleBox[\"\\\"ImageRotated\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""是否旋转图形(前景模式)"
"\!\(\*StyleBox[\"\\\"ImageSize\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) "以输出点表示的完整图形大小
• 与ImageResolution设置无关的图形格式
"\!\(\*StyleBox[\"\\\"\\\\\\\"AI\\\\\\\"\\\"\", \"MR\"]\) ""Adobe Illustrator"格式 "Adobe Illustrator format (\!\(\*StyleBox[\"\\\".ai\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"EPS\\\\\\\"\\\"\", \"MR\"]\) "封装的PostScrip 语言 "Encapsulated PostScript (\!\(\*StyleBox[\"\\\".eps\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"MPS\\\\\\\"\\\"\", \"MR\"]\) "Mathematica简化PostScrip语言"\!\(\*StyleBox[\"\\\"Mathematica\\\"\", \"TI\"]\) abbreviated PostScript (\!\(\*StyleBox[\"\\\".mps\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PCL\\\\\\\"\\\"\", \"MR\"]\) ""Hewlett-Packard"打印控制语言 "Hewlett-Packard printer control language (\!\(\*StyleBox[\"\\\".pcl\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PDF\\\\\\\"\\\"\", \"MR\"]\) ""Adobe Acrobat"便携文档格式 "Adobe Acrobat portable document format (\!\(\*StyleBox[\"\\\".pdf\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PICT\\\\\\\"\\\"\", \"MR\"]\) ""Macintosh PICT "
"\!\(\*StyleBox[\"\\\"\\\\\\\"WMF\\\\\\\"\\\"\", \"MR\"]\) "微软视窗图元格式 " "
• 依赖于ImageResolution的图形格式
"\!\(\*StyleBox[\"\\\"\\\\\\\"BMP\\\\\\\"\\\"\", \"MR\"]\) "微软位图格式 "Microsoft bitmap format (\!\(\*StyleBox[\"\\\".bmp\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"EPSI\\\\\\\"\\\"\", \"MR\"]\) "带有设备独立预览的封装的PostScrip 语言(.epsi)
"\!\(\*StyleBox[\"\\\"\\\\\\\"EPSTIFF\\\\\\\"\\\"\", \"MR\"]\) "带有"TIFF"预览的封装的PostScrip 语言" "
"\!\(\*StyleBox[\"\\\"\\\\\\\"GIF\\\\\\\"\\\"\", \"MR\"]\) ""GIF"和活动的"GIF"(.gif)
"\!\(\*StyleBox[\"\\\"\\\\\\\"JPEG\\\\\\\"\\\"\", \"MR\"]\) ""JPEG (\!\(\*StyleBox[\"\\\".jpg\\\"\", \"MR\"]\), \!\(\*StyleBox[\"\\\".jpeg\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"MGF\\\\\\\"\\\"\", \"MR\"]\) ""Mathematica"系统独立光栅图形格式"\!\(\*StyleBox[\"\\\"Mathematica\\\"\", \"TI\"]\) system-independent raster graphics format "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PBM\\\\\\\"\\\"\", \"MR\"]\) "便携位图格式"(.pbm) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PGM\\\\\\\"\\\"\", \"MR\"]\) "便携灰度图格式"portable graymap format (\!\(\*StyleBox[\"\\\".pgm\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PNG\\\\\\\"\\\"\", \"MR\"]\) ""PNG"格式 "PNG format (\!\(\*StyleBox[\"\\\".png\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PNM\\\\\\\"\\\"\", \"MR\"]\) "便携任意图格式 "portable anymap format (\!\(\*StyleBox[\"\\\".pnm\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PPM\\\\\\\"\\\"\", \"MR\"]\) "便携像素图格式 "portable pixmap format (\!\(\*StyleBox[\"\\\".ppm\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"PSImage\\\\\\\"\\\"\", \"MR\"]\) "PostScript映像格式 "PostScript \!\(\*StyleBox[\"\\\"image\\\"\", \"MR\"]\) format (\!\(\*StyleBox[\"\\\".psi\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"TIFF\\\\\\\"\\\"\", \"MR\"]\) ""TIFF (\!\(\*StyleBox[\"\\\".tif\\\"\", \"MR\"]\), \!\(\*StyleBox[\"\\\".tiff\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"XBitmap\\\\\\\"\\\"\", \"MR\"]\) "X视窗系统位图"X window system bitmap (\!\(\*StyleBox[\"\\\".xbm\\\"\", \"MR\"]\)) "
Mathematica支持的声音格式:
"\!\(\*StyleBox[\"\\\"\\\\\\\"AIFF\\\\\\\"\\\"\", \"MR\"]\) "AIFF 格式"AIFF format (\!\(\*StyleBox[\"\\\".aif\\\"\", \"MR\"]\), \!\(\*StyleBox[\"\\\".aiff\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"AU\\\\\\\"\\\"\", \"MR\"]\) "Mu 率编码 Mu" law encoding (\!\(\*StyleBox[\"\\\".au\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"SND\\\\\\\"\\\"\", \"MR\"]\) "声音文件格式"sound file format (\!\(\*StyleBox[\"\\\".snd\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"WAV\\\\\\\"\\\"\", \"MR\"]\) "微软波格式"Microsoft wave format (\!\(\*StyleBox[\"\\\".wav\\\"\", \"MR\"]\)) "
• 可以给出的通用选项:
"\!\(\*StyleBox[\"\\\"ByteOrdering\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"$ByteOrdering\\\"\", \"MR\"]\) ""在二进制数据中使用的字节顺序 "
"\!\(\*StyleBox[\"\\\"CharacterEncoding\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""在文本字符中使用的编码"
"\!\(\*StyleBox[\"\\\"ConversionOptions\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"{}\\\"\", \"MR\"]\) ""对特定格式的个人选项"
NotebookCell对象,与任何由 ToBoxes得到的盒框表达式一样,可以以下列格式输出:
"\!\(\*StyleBox[\"\\\"\\\\\\\"HTML\\\\\\\"\\\"\", \"MR\"]\) ""HTML (\!\(\*StyleBox[\"\\\".htm\\\"\", \"MR\"]\), \!\(\*StyleBox[\"\\\".html\\\"\", \"MR\"]\)) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"TeX\\\\\\\"\\\"\", \"MR\"]\) ""TeX (\!\(\*StyleBox[\"\\\".tex\\\"\", \"MR\"]\)) "
• 这些格式生成保存了Mathematica内部的大多数文档结构的详细资料.
• 通过这些格式,ExportHTMLSaveTeXSave一样起作用.
• 许多细节可以在ConversionOptions设置中指定.
• 被Export接受的可能格式在列表$ExportFormats中给出.
Export["!prog", expr, "format"] 用于将数据输出到一个管道.
Additional Information

Many Export formats have private options which are specified using the option ConversionOptions: Export["file", expr, "format", ConversionOptions ->  opts ].

AIFF

• The following option can be given:
"\!\(\*StyleBox[\"\\\"\\\\\\\"SampleDepth\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""sample depth of sound in bits "
• The default setting is "SampleDepth" -> 8 unless a different depth is explicitly specified in the Sound object. Sound can be exported to "AIFF" with a "SampleDepth" of 8 or 16.

AU

• The following option can be given:
"\!\(\*StyleBox[\"\\\"\\\\\\\"SampleDepth\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""sample depth of sound in bits "
• The default setting is "SampleDepth" -> 8 which creates a mu-law 8-bit encoded sound file, unless a different depth is explicitly specified in the Sound object. Sound can be exported to "AU" with a "SampleDepth" of 8, 16 or 32.

GIF

• The following options can be given:
"\!\(\*StyleBox[\"\\\"\\\\\\\"Background\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""sets the background color of the image "
"\!\(\*StyleBox[\"\\\"\\\\\\\"ColorReductionDither\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"True\\\"\", \"MR\"]\) ""determines whether to use dithering "
"\!\(\*StyleBox[\"\\\"\\\\\\\"ColorReductionPalette\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""determines colors in the resulting image "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Interlace\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""creates an interlaced GIF "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Transparency\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""sets the transparent color of the image "
"Background" -> RGBColor[r, g, b] sets the background color of the exported GIF to the specified graphics directive. Many applications will ignore this setting and will also not display this color if there is no transparency set.
"ColorReductionDither" -> True will provide better resulting images once a color map is chosen by dithering the image.
"ColorReductionPalette" -> Automatic will choose an adaptive set of at most 256 colors. "ColorReductionPalette" -> n will choose at most n colors for the color palette. "ColorReductionPalette" ->   ,  , ...  specifies a list of color directives to use to color reduce the image. The values for  must be CMYKColor, GrayLevel, Hue or RGBColor directives. The number of colors chosen for "ColorReductionPalette" must be between 2 and 256.
• The following example produces a color map of "browser safe" 216 colors: Export["file.gif", gr, "GIF", ConversionOptions -> {"ColorReductionPalette" -> Table[RGBColor[i,j,k], {i,0,1,0.2},{j,0,1,0.2},{k,0,1,0.2}] }].
"Transparency" -> RGBColor[r, g, b] requests that the specified color directive defines the transparent color for the exported GIF. "Transparency" -> GrayLevel[1] defines white as the transparent color. By default an adaptive "ColorReductionPalette" is used to produce the GIF color palette, and this could in some cases produce a set of colors which does not contain the transparent color requested.
• A list of graphics objects exported to the GIF format will produce an animated GIF. • The following additional options can be given when exporting as an animated GIF:
"\!\(\*StyleBox[\"\\\"\\\\\\\"AnimationDisplayTime\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"0\\\"\", \"MR\"]\) ""sets the delay time in seconds for each frame "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Disposal\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"None\\\"\", \"MR\"]\) ""determines how each frame is replaced when displayed "
"\!\(\*StyleBox[\"\\\"\\\\\\\"GlobalColorReduction\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"True\\\"\", \"MR\"]\) ""specifies whether to create one color palette shared by all frames "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Loop\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""determines whether an animation loops when finished "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Pause\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""determines whether there is a pause after each frame "
"AnimationDisplayTime" -> n sets the delay time in seconds for each frame. By default no delay time is used. If a list of delay times is used, the sequence of delay times is applied to the entire list of frames, repeating the delay time sequence if necessary.
• The option "Disposal" tells an application what should replace each frame after the frame is done displaying. The option can have the values of None, False, Background, or Previous. The default setting of "Disposal" -> None will not do anything, and with no transparency in the GIF, this setting will have no noticeable effect. However, if you are creating a transparent GIF animation, you will usually want "Disposal" -> Background as this will clear each frame in the animation before the next frame is displayed, otherwise you will see each frame image drawn on top of the other.
• When exporting a list of images for an animated GIF, "GlobalColorReduction" -> True will build one color reduction palette from all images to get one global color map used by the entire GIF, as opposed to building a unique color map for each frame which could increase the size of the resulting animated GIF.
"Loop" -> True will create an animated GIF that will loop forever, while "Loop" -> n will make the animation loop n times.
• With the setting "Pause" -> True user intervention is required for the animated GIF to continue to the next frame. Currently, there are very few applications which support this feature of the GIF format.

HDF

• The following options can be given:
"\!\(\*StyleBox[\"\\\"\\\\\\\"Append\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""specifies whether to add the data to an existing file "
"\!\(\*StyleBox[\"\\\"\\\\\\\"FormatType\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""determines the binary format of the data "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Interface\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""determines what HDF dataset interface is created "
• With the setting "Append" -> True, the HDF dataset is appended to the existing file instead of completely replacing any existing file. The file is created if it does not already exist.
• With the default setting of "FormatType" -> Automatic a multidimensional array of integers is exported as an array of 32-bit integers, and real arrays are exported as an array of 32-bit reals. If an array contains a mixture of integers and reals, all data in the array will be exported as reals. All values are exported modulo the specified data format size limits.
"FormatType" can be set to the following possible binary formats:
"\!\(\*StyleBox[\"\\\"\\\\\\\"Byte\\\\\\\"\\\"\", \"MR\"]\) ""8-bit unsigned integer "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Integer8\\\\\\\"\\\"\", \"MR\"]\) ""8-bit signed integer "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Integer16\\\\\\\"\\\"\", \"MR\"]\) ""16-bit signed integer "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Integer32\\\\\\\"\\\"\", \"MR\"]\) ""32-bit signed integer "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Real32\\\\\\\"\\\"\", \"MR\"]\) ""IEEE single-precision real number "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Real64\\\\\\\"\\\"\", \"MR\"]\) ""IEEE double-precision real number "
"\!\(\*StyleBox[\"\\\"\\\\\\\"UnsignedInteger8\\\\\\\"\\\"\", \"MR\"]\) ""8-bit unsigned integer "
"\!\(\*StyleBox[\"\\\"\\\\\\\"UnsignedInteger16\\\\\\\"\\\"\", \"MR\"]\) ""16-bit unsigned integer "
"\!\(\*StyleBox[\"\\\"\\\\\\\"UnsignedInteger32\\\\\\\"\\\"\", \"MR\"]\) ""32-bit unsigned integer "
• With the default setting "Interface" -> Automatic data will be written using the "SDS" interface. If FormatType is either "Real32" or Automatic when exporting real data, the older "SDG" format is used which only supports 32-bit reals and can be read by older HDF applications. "Interface" -> "SDS" will force the use of the newer "SDS" interface.
• Export of HDF currently only supports the "scientific datasets" SDS interface.

HTML

• All of the options to HTMLSave are also options that can be used in ConversionOptions when exporting to "HTML".

JPEG

• The following options can be given:
"\!\(\*StyleBox[\"\\\"\\\\\\\"Colorspace\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""specifies the color space of the exported JPEG "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Progressive\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) ""determines whether a progressive JPEG is created "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Quality\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"75\\\"\", \"MR\"]\) ""sets the quality factor in the interval \!\(\*StyleBox[\"\\\"0\\\"\", \"MR\"]\) to \!\(\*StyleBox[\"\\\"100\\\"\", \"MR\"]\) "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Smoothing\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"0\\\"\", \"MR\"]\) ""sets the smoothing factor in the interval \!\(\*StyleBox[\"\\\"0\\\"\", \"MR\"]\) to \!\(\*StyleBox[\"\\\"100\\\"\", \"MR\"]\) "
• The option "Colorspace" can be explicitly set to RGBColor or GrayLevel to force the resulting image to a specific color space.
• The "Quality" factor determines the quality and size of an exported JPEG, 0 being the lowest quality and smallest file size, and 100 being the highest quality and largest file size.
• A smoothing factor can be used to smooth the resulting JPEG image. "Smoothing" -> 0 performs no smoothing, and "Smoothing" -> 100 provides maximum smoothing.

PBM, PGM, PPM, PNM

• The following option can be given:
"\!\(\*StyleBox[\"\\\"\\\\\\\"FormatType\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""specifies whether a binary or text format is created "
• With the default setting "FormatType" -> Automatic a PBM image will normally be saved as a raw binary PBM file if the number of colors in the image is below the maximum number of levels for a binary format, otherwise the image will be saved in ASCII text PBM format. "FormatType" -> "Text" will force the use of the ASCII text PBM format.

TeX

• All of the options to TeXSave are also options that can be used in ConversionOptions when exporting to "TeX".

TIFF

• The following options can be given:
"\!\(\*StyleBox[\"\\\"ByteOrdering\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""determines the byte ordering of the TIFF "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Compression\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"\\\\\\\"Packbits\\\\\\\"\\\"\", \"MR\"]\) ""specifies how the image data is compressed "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Planes\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"\\\\\\\"Single\\\\\\\"\\\"\", \"MR\"]\) ""determines whether data is stored in a planar or meshed configuration "
"\!\(\*StyleBox[\"\\\"\\\\\\\"Predictor\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"None\\\"\", \"MR\"]\) ""specifies a particular compression predictor method "
"\!\(\*StyleBox[\"\\\"\\\\\\\"ImageScaling\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"True\\\"\", \"MR\"]\) ""specifies how image data is scaled "
• TIFF images can be saved in different byte ordering formats. By default the byte ordering for the current platform is used. ByteOrdering -> 1 or ByteOrdering -> -1 will force the use of a specific byte ordered TIFF.
• The option "Compression" can have the values None, "Packbits", "LZW", "JPEG", or "ZIP". A TIFF exported with "LZW", "JPEG", or "ZIP" compression schemes may not be recognized by certain applications.
• TIFF images can be saved in a meshed or planar configuration. "Planes" -> "Single" stores RGBColor data in an "RGBRGB..." order, while "Planes" -> "Multiple" stores the data as "RRR...GGG...BBB...".
• The "Predictor" option is only used with "LZW" and "ZIP" compression schemes and can be set to either None or "HorizontalDifferencing". Depending upon the contents of the image, a different "Predictor" value could result in better compression.
• The option "ImageScaling" determines whether exported data is scaled to standard byte values or whether the "MaxValue" TIFF tag is used and the data is left unscaled. Some applications do not correctly check the "MaxValue" TIFF tag and may display images incorrectly if this method is used.
• A list of graphics objects can be exported to the TIFF format and each image will be stored in a TIFF directory of the file. Some applications will only read the first image of a TIFF file containing multiple images.

WAV

• The following option can be given:
"\!\(\*StyleBox[\"\\\"\\\\\\\"SampleDepth\\\\\\\"\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) ""sample depth of sound in bits "
• The default setting is "SampleDepth" -> 8 unless a different depth is explicitly specified in the Sound object. Sound can be exported to "WAV" with a "SampleDepth" of 8 or 16.