Freud User Manual

CHAPTER 1 - Introduction

Overview
On-line help
Quick start for the impatient
User interface overview
Mouse buttons
Window buttons
Menus
Freud window layout
Starting Freud
Base window
Defaults
Colors

CHAPTER 2 - Map Background

Instantiating a map object
Basic map operations
Projections
Land and Ocean Display
Land outlines, fill, and visibility
Ocean fill
Grid
Map example

CHAPTER 3 - Data Browser

Overview
Loading a data source
Loading a variable
Slicing a variable
Other browser functions
Deleting a source
Viewing attribute and dimension values

CHAPTER 4 - Contours

Instantiating a contour object
Editing contour values
Contour groups
Contour fill method
Contour Lines and Areas
Color scaling
Labels and other properties
Contour example

CHAPTER 5 - Vectors

Instantiating a vector object
Loading data
Vector values
Other attributes
Spacing and style attributes
Color
Vector example

CHAPTER 6 - XY Background

Instantiating a xy object
XY example

CHAPTER 7 - Plotting and Printing

Plotting
Printing

CHAPTER 8 - Page Layout

Overview
Page layout window

CHAPTER 9 - Other Features

Label
Aspect ratio
Autoload defaults with data

CHAPTER 10 - Command Line Interface

Overview
Invoking the command line interpreter
Tcl
Commands
Variable substitution
Quoting
Comments
Operators
Control structures
Procedures
Basic Freud Tcl extensions
Opening a dataset
Creating an instantiation
Plotting and printing
Deleting instances and datasets
Viewport commands
Programming example
Advanced Freud Tcl extensions
Handles
Information commands
Handle command
Programming example

CHAPTER 11 - Data Formats

netCDF data
Raw Data Files
GrADS files

CHAPTER 12 - Changes from previous versions

Differences between 3.2b and 3.1
New features
Resolved bugs
Differences between 3.1 and 3.1beta.
New features
Resolved bugs
Differences between 3.1 and 3.01.
New features
Resolved bugs
Differences between v3.00a and v2.3.0

APPENDIX A - Freud/Tcl Syntax

Basic Commands
Datasets
Instantiations
Display functions
frplot
frprint [ printer [ queue ] | file filename]
Page layout
Miscellaneous
frclear [instances] [sources][viewports]
Advanced commands
Source functions
frsource shandle file
frdelete shandle
Variable functions
frvar vhandle shandle name_expr
Generic instance functions
frinstance ihandle itype [ defaults ]
frdelete ihandle
frload ihandle vhandle
Page layout
frviewport handle [ getactive ] [ size { ll.x ll.y ur.x ur.y } ] [ fwidth width ]
Information
frinfo instances
frinfo loaded instanceName
frinfo sources
frinfo vars sourceName
frinfo var sourceName varName
frhandle instance name
frhandle source sname [vname]
Miscellaneous
frlabel [label] [index 0..4] [type page|plot] [fontsize fontsize] [justification left|center|right] [location top|bottom][[ title on|off] [ pagetitle on|off]lbar on|off] [crange on|off] [refvec on|off] [date on|off]

Freud User Manual - 02 FEB 96

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