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Display

Usage

Display[channel, graphics] 用于把图象或声音以Mathematica PostScript格式输出到指定输出通道中.
Display[channel, graphics, "format"]以指定格式输出图象或声音.
Display[channel, expr, "format"] 以指定格式输出盒子,单元或笔记本表达式.


Notes

• 输出通道可以是一个单独的文件或管道,或它们的一个列表. • Display中的graphics可以是 Graphics, Graphics3D, SurfaceGraphics, ContourGraphics, DensityGraphicsGraphicsArray.
graphics中也可以包括声音.
Display 中的expr可以是单元,笔记本或由ToBoxes[expr]生成的任意盒框.
• 任何用于Export的特定图形格式都可以被使用.
• 可能出现的可选项:
"\!\(\*StyleBox[\"\\\"CharacterEncoding\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) "文本中使用的字符编码
"\!\(\*StyleBox[\"\\\"ImageOffset\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"{0,\\\"\", \"MR\"]\) \!\(\*StyleBox[\"\\\"0}\\\"\", \"MR\"]\) "视区中图象的偏移量
"\!\(\*StyleBox[\"\\\"ImageResolution\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) "以点每英寸对图象的分解
"\!\(\*StyleBox[\"\\\"ImageRotated\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"False\\\"\", \"MR\"]\) "是否将图象旋转到水平模式
"\!\(\*StyleBox[\"\\\"ImageSize\\\"\", \"MR\"]\) ""\!\(\*StyleBox[\"\\\"Automatic\\\"\", \"MR\"]\) "以打印点为单位的绝对图象大小
$DisplayFunction 通常根据Display来给出.
• 如果channel中指定的文件或管道没有被打开,Display 会使用OpenWrite 来打开它们,然后在它完成时则关闭这些特别的文件和通道.
• 许多情况下,Display通过 MathLink来调用Mathematica 笔记本前端.如果该前端不存在, Display的某些功能可能无法使用.
• 显示文本时, Display可能使用为Mathematica 特别安装的字体.
• 参见 Mathematica 全书: 1.9.2节, 2.9.1节2.9.14节.
• 同时参见: Export, Write, Show, DisplayString, HTMLSave.
Further Examples

This stores the graph generated by Plot as a GIF in the file graph.gif.

Evaluate the cell to see the graphic. The file graph.gif will be written to your default directory; you may wish to remove it when you are done.

In[1]:=  

This is the default for the Plot option DisplayFunction.

In[2]:=  

Out[2]=

The value of $DisplayFunction is given in terms of Display.

In[3]:=  

Out[3]=

See the Further Examples for DisplayFunction.



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