Next Generation MMI Requirements

1
Next Generation MMI Requirements
May 4, 1997
2
MMI - High Level Requirements

• run under UNIX and Windows NT (WNT)
• use a well defined ASCII definition for objects
• easily extend the object list
• provide upgrade path from both MEDM and DM ASCII
  definitions

3
MMI - RequirementsPerformance

• lt 2 second display call up for 1000 dynamic
  objects on a 5,000 machine ?
• up to 10,000 updates per second on a 5,000
  machine ?
• differentiate widgets that meet this criteria and
  those that do not
• variable ca update rate
• make plots inactive - conditionally

4
MMI - RequirementsGraphic Objects

• line
• oval
• text
• polygons
• arcs
• pixmaps
• bitmaps

5
MMI - RequirementsMonitor Objects

• indicators
• bars
• meters,
• text - including access to associated fieds STAT,
  SEVR, TIME, etc..
• filled polygons
• multi-bit widget
• ca statistics available as PVs

6
MMI - RequirementsControl Objects

• valuators (sliders) - ganged sliders
• text entry
• buttons
• multi-bit controller
• menus
• toggle button
• file selection menu
• 2D controller
• menus
• thumb-wheel widget
• press message
• operator confirmation on selected values - this
  from access control rules

7
MMI - RequirementsObject Attributes

• color - static, rule based, or invisible
• visibility - stacked objects with one or more
  ord in place
• expression available to manipulate values from
  client interface
• for value, color, visibility
• configure object features at run time as well -
  these are transient
• out of range, read protected, write protected,
  indication on graphical objects

8
MMI - RequirementsPlots

• Strip charts
• 8 pens
• variable rate
• XY Plots
• single x - up to 8 y values
• different symbol/color per point
• user specified duration of value
• user specified definition of time coincednecs
• Smith Chart Grids for XY Plots
• Zplots - ALA XRT Graph?
• Access to archive data?

9
MMI - RequirementsDisplay functions

• print
• kill,
• print options - capable of postscript rendering
  for display
• related display,
• execute script
• bring up display on a different view - next,
  previous, up, down
• tool bar (optional invisible) for these functions

10
MMI - Animation Features

• pan, zoom, declutter
• animation - change symbols, move objects on the
  screen (monitors and controllers)
• layering - animated objects obstruct some things
  and move behind others
• cancel monitors when (not visible, panned out,
  iconized, operator disabled)

11
Person-Machine Interface - RequirementsFeatures
II

• look and feel of local platform
• context sensitive help
• blink, audio, dont use writable colors!
• favorites list (ALA netscape)
• variable color map
• run scripts with args - (run automatically on
  value)
• configure initial layout of all displays and
  related displays and return to them
• button 2 for drop to xterm

12
MMI - RequirementsEdit Features

• feature by feature global modify
• change object type
• grouping for align, distribute and common
  attributes
• separate basic and advanced properties
• snap to grid, gravity
• configurability of object - display range,
  control range, text formats etc
• move, resize rotate (all selected objects)
• user defined labels on all menus, buttons,
• pixmap option for background - incorporate plant
  drawing from autocad