display-settings-2017-12-6.md

+Consider 4 types of configurations that cascade upon each other, similar to CSS.
+
+1 Phoenix Library Settings
+  - Contains defaults for ALL settings, built into the library.
+  - Is code.
+  - Is necessary.
+  - Example use case: Phoenix by default launches itself on a 1024x768 window.
+
+2 Machine Specific Settings
+  - Overrides 1, applies to all Phoenix applications ran on the containing machine.
+  - Is a file residing in a system directory.
+  - Is optional.
+  - Example use case: The CAVE machines require a specific resolution and aspect ratio.
+
+3 Application Specific Settings
+  - Overrides 2, applies to a particular Phoenix application.
+  - Is code.
+  - Is optional.
+  - Example use case: PLI viewer should only run on a Window, not an HMD.
+
+4 User Specific Settings
+  - Overrides 3, applies to a particular Phoenix application used by a particular user.
+  - Is a file residing in the application directory.
+  - Is optional (but auto-generated on launch if requested by 1/2/3).
+  - Example use case: I really know what I'm doing and I want to test the PLI viewer with an HMD.
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