Abstract base class for Column implementations. Provides listener support and default implementations of column methods. @author <a href="http://jhee

Abstract base class for column projection instances. Implements the listener functionality. @author <a href="http://jheer.org">jeffrey heer</a>

Abstract base class for Expression implementations. Provides support for listeners and defaults every Expression evaluation method to an unsupported o

Abstract base class for force functions in a force simulation. This skeletal version provides support for storing and retrieving float-valued paramete

Abstract base class implementation of the GraphReader interface. Provides implementations for all but the {@link prefuse.data.io.GraphReader#readGraph

Abstract base class implementation of the GraphWriter interface. Provides implementations for all but the {@link prefuse.data.io.GraphWriter#writeGrap

Abstract base class for hash maps holding objects or primitive data types such as <code>int</code>, <code>float</code>, etc. as keys and/or values. Fi

Abstract base class for a LiteralIterator implementations. @author <a href="http://jheer.org">jeffrey heer</a>

Abstract base class for dedicated Predicate instances. @author <a href="http://jheer.org">jeffrey heer</a>

<p> Abstract base class implementation of the Renderer interface for supporting the drawing of basic shapes. Subclasses should override the {@link #ge

Abstract base class implementation of the TableReader interface. Provides implementations for all but the {@link prefuse.data.io.TableReader#readTable

Abstract base class implementation of the TableWriter interface. Provides implementations for all but the {@link prefuse.data.io.TableWriter#writeTabl

Abstract base class for TableReader instances that read in a table from a textual data file. @author <a href="http://jheer.org">jeffrey heer</a>

Abstract base class for red-black trees that map a key value to an int value. @author <a href="http://jheer.org">jeffrey heer</a>

Abstract base class for TupleSet implementations. Provides mechanisms for generating filtered tuple iterators, maintain listeners, and supporting boun

Abstract base class for zoom controls. @author <a href="http://jheer.org">jeffrey heer</a>

ColumnProjection that simply includes all columns. @author <a href="http://jheer.org">jeffrey heer</a>

<p>Actions are building blocks that perform any number of operations on a Visualization, typically processing VisualItems to set various visual attrib

<p>The ActionList represents a chain of Actions that process VisualItems. ActionList also implements the Action interface, so ActionLists can be place

The ActionSwitch selects between a set of Actions, allowing only one of a group of Actions to be executed at a time. @version 1.0 @author <a href="ht

Abstract class for processing the Actions stored in the predicate chain.

Represents an activity that can be scheduled and run. This could include data processing, animation, and time-sensitive operations. @author <a href="

Adapter class for ActivityListeners. Provides empty implementations of ActivityListener routines. @version 1.0 @author <a href="http://jheer.org">jef

Callback interface by which interested classes can be notified of the progress of a scheduled activity. @author <a href="http://jheer.org">jeffrey he

<p>The ActivityManager is responsible for scheduling and running timed activities that perform data processing and animation.</p> <p>The AcivityManag

<p>Maps between Activity instances and user-defined keys. Can be used to maintain and schedule Activity instances through a layer of indirection.</p>

Demo application showcasing the use of AggregateItems to visualize groupings of nodes with in a graph visualization. This class uses the AggregateLay

Interactive drag control that is "aggregate-aware"

VisualItem that represents an aggregation of one or more other VisualItems. AggregateItems include methods adding and removing items from the aggregat

Layout algorithm that computes a convex hull surrounding aggregate items and saves it in the "_polygon" field.

VisualTable instance that maintains visual items representing aggregates of items. This class maintains both a collection of AggregateItems and a mapp

Iterator instance that iterates over the items contained in an aggregate.

Follows the mouse cursor, updating the anchor parameter for any number of layout instances to match the current cursor position. Will also run a given

Predicate representing an "and" clause of sub-predicates. @author <a href="http://jheer.org">jeffrey heer</a>

Expression supporting basic arithmetic: add, subtract, multiply, divide, exponentiate (pow), and modulo (%). @author <a href="http://jheer.org">jeffr

Animator that inerpolates an array of numerical values. @author <a href="http://jheer.org">jeffrey heer</a>

Library of supplementary array routines not supported by the java.util.Arrays class. @author jeffrey heer

自动平移 (for nodelink) @author Jack

Animator that interpolates positions, colors, and visibility status for metric axes. @author <a href="http://jheer.org">jeffrey heer</a> @see prefuse

Layout Action that positions axis grid lines and labels for a given range model. @author <a href="http://jheer.org">jeffrey heer</a>

Layout Action that assigns positions along a single dimension (either x or y) according to a specified data field. By default, the range of values alo

Renderer for drawing an axis tick mark and label. @author <a href="http://jheer.org">jeffrey heer</a> @author jgood

Paints a background image in a display. The image can either pan and zoom along with the display or stay stationary. Additionally, the image can be op

<p>Layout that computes a circular "balloon-tree" layout of a tree. This layout places children nodes radially around their parents, and is equivalent

<p> Computes a bifocal distortion of space, magnifying a focus region of space and uniformly demagnifying the rest of the space. The affect is akin to

Abstract base class for Expression implementations that maintain two sub-expressions. These are referred to as the left expression (the first one) and

Column implementation storing boolean values. Uses a BitSet representation for space efficient storage. @author <a href="http://jheer.org">jeffrey he

Sorted map implementation using bit vectors to map from boolean keys to int values. @author <a href="http://jheer.org">jeffrey heer</a>

Sorted map that maps from a boolean key to an int value. @author <a href="http://jheer.org">jeffrey heer</a>

Literal expression of a boolean value. @author <a href="http://jheer.org">jeffrey heer</a>

DataParser instance that parses boolean values. The string "true" is parsed to true values, "false" to false values. Both are case insensitive. @auth

Set the stroke color for drawing treemap node outlines. A graded grayscale ramp is used, with higer nodes in the tree drawn in lighter shades of gray.

Provides a distance-limited breadth first traversal over nodes, edges, or both, using any number of traversal "roots". @author <a href="http://jheer.

<p> Browser launcher will open a URL in an external browser on your system. (e.g. Internet Explorer or Netscape). If your browser is already open, a

A resizable array that maintains a list of byte values. @author <a href="http://jheer.org">jeffrey heer</a>

Column implementation for storing int values. @author <a href="http://jheer.org">jeffrey heer</a>

DataParser instance the parses int values from a text string. @author <a href="http://jheer.org">jeffrey heer</a>

Sublist for CopyOnWriteArrayList. This class extends AbstractList merely for convenience, to avoid having to define addAll, etc. This doesn't hurt, bu

TableReader for Comma Separated Value (CSV) files. CSV files list each row of a table on a line, separating each data column by a line. Typically the

TableWriter that writes out a text table in the comma-separated-values format. By default, a header row containing the column names is included in the

A button depicted as an "X" that allows users to cancel the current query and clear the query field.

RowManager instance that additionally takes into account tables which inherit from a parent table but can also have their own, dedicated columns. @au

<p>Table subclass featuring a "cascaded" table design - a CascadedTable can have a parent table, from which it inherits a potentially filtered set of

Layout action that positions visual items along a circle. By default, items are sorted in the order in which they iterated over. @author <a href="htt

Uses a gravitational force model to act as a circular "wall". Can be used to construct circles which either attract or repel items. @author <a href="

Represents a clipping rectangle in a prefuse <code>Display</code>. @author <a href="http://jheer.org">jeffrey heer</a>

Layout Action that updates the outlines of polygons in a stacked line chart, properly setting the coordinates of "collapsed" stacks. @author <a href=

Layout Action that sets the positions for newly collapsed or newly expanded nodes of a tree. This action updates positions such that nodes flow out fr

<p>Assignment Action that assigns color values to VisualItems for a given color field (e.g., the stroke, text, or fill color).</p> <p>By default, a C

Animator that linearly interpolates between starting and ending colors for VisualItems during an animation. By default, interpolates the three primary

DataParser instance the parses int color values from a hexadecimal text string. @author <a href="http://jheer.org">jeffrey heer</a>

<p>Library routines for processing color values. The standard color representation used by prefuse is to store each color as single primitive integer

A color map provides a mapping from numeric values to specific colors. This useful for assigning colors to visualized items. The numeric values may re

Interface for a data column in a table. @author <a href="http://jheer.org">jeffrey heer</a>

ExpressionVisitor that collects all referenced columns / data fields in an Expression.

Helper class that encapsulates a map entry for a column, including the column itself and its metadata and index. @author <a href="http://jheer.org">j

Expression instance that returns the value stored in a Tuple data field. @author <a href="http://jheer.org">jeffrey heer</a>

Factory class for generating appropriate column instances. Used by Tables to generate their columns. @author <a href="http://jheer.org">jeffrey heer<

Listener interface for monitoring changes to a data column. @author <a href="http://jheer.org">jeffrey heer</a>

ColumnMetadata stores computed metadata and statistics for a singe column instance. They are created automatically by Table instances and are retrieve

Interface for filtering only a subset of a Table columns, computing a projection of the available data fields. Used in conjunction with CascadedTable

Iterator over the indices into a given data column, mapped to from the rows of this RowManager.

Predicate implementation that computes a comparison operation. Supported operations are equals, not equals, less than, greater than, less than or equa

Abstract base class for Action implementations that hold a collection of subclasses. @author <a href="http://jheer.org">jeffrey heer</a>

Comparator that makes comparison using an ordered list of individual comparators; @author <a href="http://jheer.org">jeffrey heer</a>

IntIterator implementation that combines the results of multiple int iterators. @author <a href="http://jheer.org">jeffrey heer</a>