This site is a great resource for learning how to program in several different languages. I recommend it if you are interested in learning more about art generated through computer code using environments such as Processing
Whenever you place an image in InDesign it creates a link to the file. The file is not included as part of the InDesign document. This can get confusing because it creates a proxy or temporary image to represent the link. If you move the files you placed in InDesign it will break the link resulting in errors and loss in quality. When the link breaks, all that InDesign can do is use the proxy image. There are ways to avoid this from happening and here are a few tips we covered in class.
Display performance in InDesign
when working in InDesign, you will notice that your images may appear pixelated. This has to do with display performance. In order to work quickly the program uses the low quality proxy images in your layout. To preview your work at the highest quality you can change your display performance in the view menu. Go to the view menu and select Display Performance, then select “High Quality Display” the key command is control+option+command+H. It’s probably best to leave it at Typical Display, but you may want to switch back and forth. Another option is to use the Presentation view which shows your work in the highest resolution fullscreen. The key command for presentation mode is Shift+W