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Adobe Illustrator

编辑数学公式和希腊字母

方法一：导入 svg 格式的公式图片

生成数学公式或希腊字母的图片格式（最好是 png 格式）→将图片导入到软件中→使用图像描摹功能（对象→图像描摹→建立并扩展）将图片矢量化→取消矢量图像编组，删除白色背景→重新编组，移动到合适位置。

直接导入svg格式会出现字母异常，因此导入png然后矢量化处理是更好的方式，可以使用LaTeX公式编辑器在线生成png格式的公式或希腊字母。

参考：How do I get mathematical fonts to Illustrator?

Steps in detail (When I was writing my dissertation on string theory I encountered the same issue. I managed to develop a pipeline which seems to work quite well):

  1. Draw your graphs/images in Illustrator.
  2. Use http://latex2png.com/. Type your latex equation in there, then preview at 2000 dpi.
  3. Save the image, then load into Illustrator. Alternatively, you can speed things up by using a screencapture software (e.g. ShareX) so you can skip the image saving+loading process.
  4. When in Illustrator, select your imported equation image and choose Object –> Image Trace –> Make and Expand. It is very important to obtain a high dpi image for this step to work favorably.
  5. Your equation should now be a vector graphic.
  6. Select your new vector graphic equation and choose Object –> Ungroup. This will separate the white spaces in your equation from the black content that you need.
  7. Select the white spaces and delete them.
  8. You now have a fully editable equation looking exactly like it does in Latex. You can scale/adjust and colour to your requirements.

方法二：从 PowerPoint 中直接拷贝

在 PowerPoint 中键入公式，选中，直接拷贝到 Adobe Illustrator 中。

布尔运算

打开软件，新建文件，选择“窗口”在“路径查找器”前打勾，这是做布尔运算的工具，之后选择两个需要做布尔运算的图形，在路径查找器中选择合适的操作即可。

学习资料

  1. Adobe Illustrator Learn & Support
  2. AI教程，新手入门系列，bilibili
  3. Adobe公司, 牛国庆. Adobe Illustrator CC经典教程[M]. 人民邮电出版社, 2014.

PhotoShop

修改特定图片的分辨率和DPI

  1. 将图片拖入Photoshop；
  2. “图像” $\rightarrow$ “图像大小” $\rightarrow$ 调整宽度、高度与分辨率为目标值；
  3. “文件” $\rightarrow$ “存储”，保存为指定格式和大小，即可；

备注：Adobe Illustrator与 Photoshop 的主要区别在于，Illustrator 基于矢量作图，而 Photoshop 基于像素点作图，因此在科研中 Illustrator 更常用。