NCL reference pages

• Introduction to NCL
• NCL usage help
• Built-in NCL functions and procedures
• Supported data format information
• Creating Graphical Output
• Command line options and arguments
• Command line editing in interactive mode
• Default script and shared library loading
• NCL language reference
  • NCL keyword listing
  • NCL data types overview
    • Basic numeric types
    • Non-numeric types
    • Coercion of types
    • Creating data
      • Constants and arrays of constants
      • Creating data arrays with new
      • Importing data arrays and files
  • Variables
    • Properties of Variables
      • Attributes
      • Missing values
      • Dimensions
      • Coordinates
      • String references (Using '$' to reference Atts., Coords., and Dimensions)
      • Variables used as parameters to functions and procedures
    • Subscripting variables
      • Standard
      • Coordinate
      • Named
    • Variable assignment
      • Value-only assignment (no automatic assignment of atts., coords., or dims.)
      • Variable-to-variable assignment (includes automatic assignment of atts., coords., and dims.)
    • Variable re-assignment
      • Value-only reassignment
      • Variable-to-variable reassignment (includes automatic assignment of atts., coords., and dims.)
    • List variables
      • Create list variables
      • Check list variables
      • Access list elements
    • HLU variables
    • Files and file variables
      • Opening data files
      • Referencing variables in files
        • String references (Using '$' to reference file variables)
      • Assignment to File Variables
    • Groups and group variables
      • Create groups
      • Referencing variables in groups
  • Expressions
    • Properties of expressions
      • Expressions and missing values
      • Multi-dimensional arrays and expressions
      • Scalar values and expressions
    • Types of expressions
      • Algebraic
      • Logical
      • Arrays
      • Functions
  • Statements
    • Comments
    • Blocks
    • if
    • Loops
      • do
      • while
    • Assignment
    • Reassignment
    • Procedures
      • External Procedures
    • Function and procedure definitions
      • The local statement and function and procedure scope
      • Constraining the type and dimensionality of input parameters
    • Visualization blocks
      • create
      • setvalues
      • getvalues
    • Load a shared library
    • Load script from file
    • Record commands
      • record
      • stop record
    • Quit an NCL interactive session or script
• Extending NCL's function set
  • Using the WRAPIT script
  • Using the wrapit77 application
  • Writing your own wrapper as a built-in function
  • Writing your own wrapper as a shared object
  • Special considerations
• Calling NCL from within a C program