Knowledge Base Contents

The tree view below presents an overview on the contents of this Knowledge Base. Listed therein you can find all available articles grouped by category and product. Categories are mainly derived from chapters and sections in the Developer's Guide of a respective product (if available).

yFiles for Java

 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

 Other

 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 Layout with Eclipse and GEF

 Automatic Graph Layout

Calculating node-edge intersection points
How to Achieve Deterministic Graph Layout
How to determine minimum and maximum sizes of NodeRealizers
How to layout a graph in a separate thread
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 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 determine minimum and maximum sizes of NodeRealizers
How to place two edge labels on opposite sides of an edge
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

 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 Mouse Events in EditMode
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 determine minimum and maximum sizes of NodeRealizers
How to Set the Size (or Location) of an Open Group Node

 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

 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
ChannelEdgeRouterModule
CircularLayoutModule
ClipboardDemo
CollapsibleTreeDemo
CompactOrthogonalLayoutModule
ComponentLayoutModule
CreateEdgeModeDemo
CustomGroupVisualizationDemo
CustomNodeRealizer
CustomNodeRealizerSerializer
DemoBase
DendrogramLayouterDemo
DiagonalLayouter
DiagonalLayoutModule
DirectedOrthogonalLayoutModule
DragAndDropDemo
DragNamesDemo
DrawablesDemo
DynamicAttributesDemo
EaseInEaseOutDemo
EdgeConnectorDemo
EdgeRouterDemo
FadeInFadeOutDemo
FamilyTreeDemo
FamilyTreeLayoutModule
FullScreenNavigationDemo
GenericEdgeRealizerDemo
GenericNodeRealizerDemo
GraphFormatConverter
GraphMLDemo
GroupingDemo
GroupingLayoutWithoutAView
GroupNavigationDemo
HierarchicLayouterDemo
HierarchicLayoutModule
HierarchyDemo
HierarchyJTreeDemo
ImageMapDemo
InactiveLayerDemo
IncrementalHierarchicGroupDemo
IncrementalHierarchicLayouterDemo
IncrementalHierarchicLayoutModule
IncrementalLayoutWithoutAView
IncrementalTreeLayouterDemo
InteractiveOrganicDemo
JOrgChart
JTreeChart
KeyboardNavigation
LabelAnimationDemo
LabelingDemo
LabelingModule
LayerConstraintsDemo
LayoutModuleDemo
LayoutWithoutAView
LocalViewDemo
MagnifierViewModeDemo
MazeRouterDemo
ModelViewManagerDemo
MouseInputDemo
NavigationDemo
NodePropertyEditorDemo
OptionHandlerDemo
OrganicEdgeRouterModule
OrganicLayouterDemo
OrganicLayoutModule
OrgChartDemo
OrgChartTreeModel
OrthogonalEdgeRouterModule
OrthogonalEdgeViewModeDemo
OrthogonalLayoutModule
PartitionGridLayoutWithoutAView
PopupModeDemo
PortCandidateDemo
PortCreateEdgeModeDemo
PortsDemo
PostprocessorDemo
PrintPreviewDemo
RecursiveGroupLayouterDemo
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

yFiles.NET

 Licensing

 Deployment

 Other

 yFiles.NET Algorithms

 Working With the Graph Structure

 Analyzing Graphs

How to Compute All Shortest Paths Between Two Nodes

 Automatic Graph Layout

 Advanced Layout Features

How to Layout Subsets of Nodes Only

 Incremental Layout

How to Layout Subsets of Nodes Only

 Organic Layout

How to Instruct the OrganicLayouter to Fix Some Node Positions

 Orthogonal Edge Routing

Make edges start from the same port using OrthogonalEdgeRouter

 yFiles.NET Viewer

 Using yFiles Layout Functionality From yFiles.NET Viewer

Comparison between y.base.Graph and yWorks.yFiles.UI.Model.IGraph

yFiles WPF

 Licensing

 Deployment

 Other

 yFiles WPF Algorithms

 Automatic Graph Layout

 Advanced Layout Features

How to Layout Subsets of Nodes Only

 Incremental Layout

How to Layout Subsets of Nodes Only

 Organic Layout

How to Instruct the OrganicLayouter to Fix Some Node Positions

 Orthogonal Edge Routing

Make edges start from the same port using OrthogonalEdgeRouter

 yFiles WPF Viewer

 Using yFiles Layout Functionality From yFiles WPF Viewer

Comparison between y.base.Graph and yWorks.yFiles.UI.Model.IGraph

yFiles AJAX

 Licensing

 Deployment

 Other

yFiles FLEX

 Licensing

 Deployment

 Other

 Displaying and Editing Graphs

Label Sizes and Zooming

 Graph Structure

Changing the displaying order of a graph's items (z-order)
How to Change the Appearance of a Newly Created Dummy Element
Resources are not Released when the Graph is Cleared

 Visual Representation of Graph Elements

Applying a background image to the GraphCanvasComponent
Adding new edges to existing ports only
Changing the displaying order of a graph's items (z-order)
Creating a new INodeStyle composed of different existing ones
Fonts are not displayed correctly
How to Add Tooltips / Mouse Hover Effects
How to prevent cropping of edges at the node's bounds
How to temporarily hide graph elements from the user

 Styles-related Features

Adding new edges to existing ports only
Creating a new INodeStyle composed of different existing ones
How to implement a custom label model
How to temporarily hide graph elements from the user

 View Implementations

Customizing Selection Visualization
How to simulate group nodes on a flex client

 User Interaction

Adding new edges to existing ports only
Handling mouse clicks on edges or nodes
How to Add Tooltips / Mouse Hover Effects
How to find out which graph item is located at particular coordinates
How to make custom edits undoable
How to simulate group nodes on a flex client
Using hyperlinks with nodes, edges and labels

 Input and Output

How to export a graph as PDF

 Working with the GraphML File Format

Transfer of additional information between server and client

 Printing

How to print the graph on multiple pages

 Communicating with the Server

BlazeDS Messaging with yFiles FLEX
Working with yFiles FLEX and BlazeDS

 Remote Communication in yFiles FLEX

Handling Node and Edge IDs
How to get the GraphML which is sent between server and client
How to set the URL for ServerActions (RoundtripHandler / DownloadHandler)
Server is slow after (re)deployment of a servlet
The server does not respond / a service request fails
Transfer of additional information between server and client
Working with yFiles FLEX and BlazeDS

 Remote API

Working with yFiles FLEX and BlazeDS

 Using yFiles FLEX with a yFiles Server

 Communicating with yFiles Java on the Server

Displaying Custom yFiles Java Realizers in yFiles FLEX
Handling Node and Edge IDs
How to display arbitrary yFiles (Java) realizers on a flex client using SWF nodes
How to export a graph as PDF
How to get the GraphML which is sent between server and client
Server is slow after (re)deployment of a servlet
The server does not respond / a service request fails

 Communicating with yFiles.NET on the Server

Handling Node and Edge IDs
How to get the GraphML which is sent between server and client
Server is slow after (re)deployment of a servlet
The server does not respond / a service request fails

 yFiles FLEX Java Server API

 Roundtrip Support Classes

Transfer of additional information between server and client

 Servlets

How to export a graph as PDF

 Manipulating yFiles FLEX GraphML Style Data

How to display arbitrary yFiles (Java) realizers on a flex client using SWF nodes

 yFiles FLEX .NET Server API

 Class GraphRoundtripSupport

Transfer of additional information between server and client

 Architectural Concepts

 Look-up Mechanism

Adding new edges to existing ports only
Customizing Selection Visualization
How to Add Tooltips / Mouse Hover Effects
How to prevent cropping of edges at the node's bounds

GraphML

 GraphML Extension Package

 GraphML

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

 Advanced Topics

Unicode Labels

yGuard

 Obfuscation

yEd

yDoc