IFIX Picture Guidelines 11/30/00 RLS Displays 1. The background should be light tan for information pages and light blue for menus. Other pale colors may be used to denote specific subjects. 2. Minimize the use of colors, and make them mean something. 3. Simple common shapes will be used to depict equipment. 4. Select the valve or equipment itself to dive into detailed information. 5. Pipelines passing between pages will be matched in color and location. 6. Avoid garish colors. 7. Meanings should be assigned to no more than seven to nine colors. If more than the basic three, then a legend should be readily available. a. red is alarm b. green is on c. orange is off 8. Avoid small blue shapes or blue text. 9. Text should be black (preferred) or white. 10. Except for acronyms and tag names, text should be upper and lower case. 11. Align rows and columns. 12. Pictures should not be too busy, at least 70% background. 13. Display information graphically rather than textually if possible. 14. Use simple text fonts, large enough to read easily from four feet. 15. Read the paper “Good Screen Design” by Rothrock and Martz. Common Items 1. A small, gray menu button on each page should return to the system menu. 2. A small CDF logo button in the upper left or upper right should return to one of the two main menus. 3. Daughter screens shall have a close button. It should be labeled ‘Close’ and located in the upper right. 4. The date and time will be displayed at the upper left of each picture. 5. Each picture should have a large title at the top center. 6. Each picture should have an icon showing that updates are being made. 1. The goals are readability and ease of operation. 2. Picture hierarchy, storage location, etc. are not addressed.