Update for 31-01-22 12:45

tech/8_rules_ui.wiki

@@ -0,0 +1,54 @@
+= 8 golden rules =
+
+* Consistency
+  * Make the UI consistent
+  * Same icons, same arrangement
+  * same layout across suite of applications
+* shortcuts
+  * great for power users
+  * Make them consistent
+* informative feedback
+  * give feedback to user about action being/about to be performed
+  * folders are highlighted when clicked
+* dialogue
+  * something to get attention of user
+  * provide simple options to resolve issue
+* error handling
+  * gracefully deal with errors
+  * keep the user still engaged
+* Permit reversal of actions
+  * IE ctrl z
+* Support internal locus control
+  * double check that the user wants to perform dangerous actions
+* reduce short term memory load
+  * Make common actions easily accessible
+* Don Norman
+  * author of the design of everyday things
+  * devised two gulfs
+    * execution
+    * evaluation
+  * questions to ask
+    * What to accomplish?
+    * What are alternatives
+    * what can i do?
+    * How do i do it?
+    * What happened
+    * what does it mean?
+    * Is it okay?
+  * Principles
+    * discoverable
+      * easy to determine possible actions
+    * feedback
+      * give full and continuous feedback about results
+    * conceptual
+      * design projects all the info to create a good model of the system
+      * lend itself to understanding and control
+    * affordance
+      * proper affordances with desired possible actions
+    * signifiers
+      * make feedback well communicated and intelligible
+    * mappings
+      * relationship between controls and actions
+    * constraints
+      * providing constraints to not allow user to do certain things
+      * ask user before dangerous actions

tech/graphics.wiki

@@ -2,10 +2,18 @@
 
 Computer graphics is the field focusing on making a computer generate an image.
 
+== User interfaces ==
+
+* [[8_rules_ui]]
+* [[usability_heuristics]]
+
 == Colorspaces ==
 
+_Here begins the technical stuff_
+
 * [[YUV]]
-* RGB
+* [[RGB]]
+
 
 
 

tech/usability_heuristics.wiki

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+= Usability Heuristics =
+
+* Simple/nautral dialouge
+* speak user language
+* minimize user memory load
+* be consistent
+* provide feedback
+* provide clearly marked exists
+* provide shortcuts
+* good error messages
+* prevent errors