Knowledge Base Contents

The tree view below lists all available yFiles for Java-related resources in the yWorks Knowledge Base like articles (grouped by category), Developer's Guide, and API documentation.

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Further yFiles for Java resources

Developer's Guide
API documentation

yFiles for Java

Back to topHow to create a graph from data stored inside a database
JDK 7 Compatibility Issues
What exact version of yFiles am I using?

Licensing

How much does a yFiles license cost?
Obfuscation requirements when distributing yFiles classes
What is annual subscription?
What yFiles for Java license do I need?
What yFiles Package Distribution Do I Need?

Obfuscation

Obfuscation requirements when distributing yFiles classes

Deployment

Graph Structure Memory Requirements
Obfuscation requirements when distributing yFiles classes
Performance Pros and Cons When Displaying Graphs
Problems creating Graph2D objects on systems without X server
Using yFiles Layout with Eclipse and GEF
Using yFiles Viewer within Eclipse

Other

Adding your own Node Realizers to yEd Lite
How to layout a graph in a separate thread
Internationalization Support
Mapping Between Business Layer and Presentation Layer
Multi-threading and yFiles' graph structures

yFiles Basic

Graph Structure Memory Requirements
How to restore original node order after hiding and unhiding nodes from a graph

Working With the Graph Structure

How to Hide and Unhide Nodes Correctly

Binding Data to Graph Elements

Mapping Between Business Layer and Presentation Layer

Analyzing Graphs

How to Compute All Shortest Paths Between Two Nodes

Demo Applications Source Code

CyclesTest
ExtendedGraph
GraphConnectivityTest
GraphDemo
ListDemo
NodeMapTest
RandomGraphGenerator
ShortestPathDemo
ShortestPathTest
SpanningTreeTest
TopologicalSortDemo
TopologicalTest

yFiles Layout

Graph Structure Memory Requirements
How to Hide and Unhide Nodes Correctly
How to restore original node order after hiding and unhiding nodes from a graph
Mapping Between Business Layer and Presentation Layer
Using yFiles in C++ applications
Using yFiles Layout with Eclipse and GEF

Automatic Graph Layout

Calculating node-edge intersection points
How to Achieve Deterministic Graph Layout
How to layout a graph in a separate thread
How to specify minimum and maximum sizes of NodeRealizers
Routing multiple edges between two nodes in a parallel fashion
Suitable Layout Algorithms for UML Diagram Types

Layout Architecture

Idiosyncrasies with DefaultLayoutGraph in a Layout-only Environment

Concepts

How to invoke a yFiles layout algorithm
Tips for Passing Data to Layout Algorithms

Advanced Layout Features

Automatic Port Assignment
How to Layout Subsets of Nodes Only
How to Save Port Constraints to a GraphML File

Layout Stages

Automatic Port Assignment

Incremental Layout

How to Layout Subsets of Nodes Only

Circular Layout

Make SingleCycleLayouter use bent edges instead of straight edges

Hierarchical Layout

Custom Node Alignment for HierarchicLayouter
HierarchicLayouter: Getting a Node's Layer Number
Make HierarchicLayouter Preserve Space for Node Labels

Incremental Hierarchical Layout

Group Nodes, Labels, and IncrementalHierarchicLayouter
IncrementalHierarchicLayouter: Runtime vs Quality

Organic Layout

How to Instruct the OrganicLayouter to Fix Some Node Positions
How to layout a graph in a separate thread

Organic Edge Routing

OrganicEdgeRouter produces extreme bends

Orthogonal Edge Routing

Make edges start from the same port using OrthogonalEdgeRouter

Automatic Label Placement

Achieving Non-Overlapping Node and Edge Labeling
Demystifying Automatic Edge Labeling
Minimizing Label Overlaps
Running Generic Labeling Algorithms Stand-alone

Demo Applications Source Code

Graph2DLayoutExecutorDemo
LayoutDemo

yFiles Viewer

Graph Structure Memory Requirements
How to Hide and Unhide Nodes Correctly
How to restore original node order after hiding and unhiding nodes from a graph
Mapping Between Business Layer and Presentation Layer
Problems creating Graph2D objects on systems without X server
Using yFiles Viewer within Eclipse

Displaying and Editing Graphs

How to implement a gradient background renderer
How to Start Label Editing on Mouse Double Click
Performance Pros and Cons When Displaying Graphs
Property Change Support in Graph2DView

Bringing Graph Elements to Life: The Realizer Concept

Collapsible/Expandable UML Class Node Representation
How do I add or redefine shapes within ShapeNodeRealizer?
How to Avoid Unexpected Anti-Aliasing Rendering Effects with Edges
Make SingleCycleLayouter use bent edges instead of straight edges
NodeRealizer Idiosyncrasies
Properly Customizing the Visual Behavior of Nodes
Transparency of NodeRealizers

Realizer-Related Features

Determining Whether a Hyperlink in an HTML-coded Label Text has been Clicked
How to automatically adjust node bounds to the node's label
How to create and augment custom arrow styles
How to place two edge labels on opposite sides of an edge
How to specify minimum and maximum sizes of NodeRealizers
Modeling T-Connections Using Edge Labels
Painting Labels Atop Other Graph Elements
Unicode Labels
Why do nodes and edges sometimes look rather simple?
Why Node Labels Exceed the Width of Their Nodes

Writing Customized Realizers

How to Avoid Unexpected Anti-Aliasing Rendering Effects with Edges
How to serialize GeneralPath using GraphML

View Implementations

Changing the Drawing Order of Nodes and Edges
Controlling the Rendering Order of Graph Elements in the View
How to create a Graph Overview Panel similar to the one used in yEd
How to determine the hit order of graph elements for mouse input
How to Move the Scroll Bars Using the Mouse Wheel
How to Preserve the Scrollbar Policy
How to update scroll bars and the scrollable area of a Graph2DView
Painting Selected Nodes on Top of Unselected Nodes
Property Change Support in Graph2DView
Setting Scroll Bar Policies
Why Node Labels Exceed the Width of Their Nodes

User Interaction

Creating and Firing Additional Event Types
Customizing and switching between several EditModes
Customizing EditMode to move unselected nodes
Customizing Mouse Events in EditMode
Graph2DView doesn't receive any mouse events
Handling Mouse Events on Diagram Elements
How to automatically adjust node bounds to the node's label
How to Automatically Scroll the View During Mouse Drag Gestures
How to enable and customize tooltips for edges and nodes
How to Get Notified of Changes in a Graph2D
How to Preserve the Scrollbar Policy
How to Start Label Editing on Mouse Double Click
How to use arrow keys for panning in a Graph2DView
Listening to and Efficiently Handling Graphical Property Changes
Property Change Support in Graph2DView
Trigger Rotation and/or Zooming via Keyboard
Using Alternative Modifiers for ViewMode Mouse Gestures

Events and Listeners

Creating and Firing Additional Event Types
How to Get Notified of Changes in a Graph2D
Listening to and Efficiently Handling Graphical Property Changes
Listening to Selection Changes Efficiently
Property Change Support in Graph2DView

Printing a Graph's Visual Representation

How to add a title when printing a diagram

Animations for Graph Elements

How to Animate Graphs

Advanced Application Logic

Copying an image of the graph view to the system clipboard

Graph Hierarchies

Managing Graph Hierarchies

Hiding Nodes in a Graph Hierarchy that is Managed by Class HierarchyManager
Hiding Nodes in a Graph Hierarchy that is Managed by Class HierarchyManager, Part 2

Node Realizers

How to Set the Size (or Location) of an Open Group Node
How to specify minimum and maximum sizes of NodeRealizers

Input and Output

WMF limitations

Graph Exchange and Graph Export Formats

yFiles Export Capabilities

Exporting a Graph's Visual Representation

Avoiding Low Memory Conditions when Image-Exporting Graphs
How to Export a Graph as an Image
How to import a graph into Microsoft Visio
IllegalArgumentException when exporting graph to image files

yFiles Extension Packages

yFiles Export Capabilities

GraphML Extension Package

GraphML

GraphML Representation of Nested Graph Structures
How to Save Port Constraints to a GraphML File

Using the yFiles GraphML Extension Package

How to serialize GeneralPath using GraphML

ySVG Extension Package

How to import a graph into Microsoft Visio

yExport Extension Package

How to import a graph into Microsoft Visio

Demo Applications Source Code

AnimatedNavigationDemo
AnimatedStructuralChangesDemo
AnimationEffectsDemo
AppletDemo
AssistantPlacerDemo
BackgroundDemo
BridgeDemo
BridgeEdgeRealizerDemo
BuildGraphDemo
BusRouterDemo
ChannelEdgeRouterModule
CircularLayoutModule
CircularPartialLayoutDemo
ClipboardDemo
CollapsibleTreeDemo
CompactOrthogonalLayoutModule
ComponentLayoutModule
CreateEdgeModeDemo
CriticalPathDemo
CustomGroupVisualizationDemo
CustomNodeRealizer
CustomNodeRealizerSerializer
DemoBase
DendrogramLayouterDemo
DiagonalLayouter
DiagonalLayoutModule
DirectedOrthogonalLayoutModule
DragAndDropDemo
DragNamesDemo
DrawablesDemo
DynamicAttributesDemo
EaseInEaseOutDemo
EdgeConnectorDemo
EdgeLabelingDemo
EdgeRouterDemo
FadeInFadeOutDemo
FamilyTreeDemo
FamilyTreeLayoutModule
FlowchartDemo
FlowchartPalette
FlowchartView
FullScreenNavigationDemo
GenericEdgeRealizerDemo
GenericNodeRealizerDemo
GraphFormatConverter
GraphMLDemo
GroupingDemo
GroupingLayoutWithoutAView
GroupNavigationDemo
HierarchicLayouterDemo
HierarchicLayoutModule
HierarchicPartialLayoutDemo
HierarchyDemo
HierarchyJTreeDemo
ImageMapDemo
InactiveLayerDemo
IncrementalHierarchicGroupDemo
IncrementalHierarchicLayouterDemo
IncrementalHierarchicLayoutModule
IncrementalLayoutWithoutAView
IncrementalTreeLayouterDemo
InteractiveOrganicDemo
JOrgChart
JTreeChart
KeyboardNavigation
LabelAnimationDemo
LabelingModule
LayerConstraintsDemo
LayoutModuleDemo
LayoutWithoutAView
LocalViewDemo
LogicGatesDemo
MagnifierViewModeDemo
MazeRouterDemo
MixedLayoutDemo
ModelViewManagerDemo
MouseInputDemo
NavigationDemo
NodeLabelingDemo
NodePortsDemo
NodePropertyEditorDemo
OptionHandlerDemo
OrganicEdgeRouterModule
OrganicLayouterDemo
OrganicLayoutModule
OrganicPartialLayoutDemo
OrgChartDemo
OrgChartTreeModel
OrthogonalEdgeRouterModule
OrthogonalEdgeViewModeDemo
OrthogonalLayoutModule
OrthogonalPartialLayoutDemo
PartialLayoutBase
PartitionGridLayoutWithoutAView
PopupModeDemo
PortCandidateDemo
PortCreateEdgeModeDemo
PostprocessorDemo
PrintPreviewDemo
RecursiveGroupLayouterDemo
RecursiveLayoutDemo
RollOverEffectDemo
RotatableNodePlacersDemo
ScrollingNodeRealizer
SearchDemo
SequenceConstraintsDemo
SimpleAttributesDemo
SimpleDemo
SimpleIncrementalHierarchicLayouterDemo
SimpleSwimlaneLayouterDemo
SmartOrganicLayoutModule
SnapLineDemo
StateNodeRealizer
StateNodeRealizerDemo
SwimlaneDemo
SwimlaneGroupDemo
SwimlaneLayoutWithoutAView
SwingRendererDemo
TableStyleDemo
TiledImageDemo
TreeLayoutConfigurationDemo
TreeLayoutModule
UMLClassDiagramLayouterDemo
UMLClassNodeRealizer
UndoRedoDemo
ViewActionDemo
VisualFeatureDemo
XmlXslDemo
YLabelConfigurationDemo