5 Graph Description Language (GDL) - Absint

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6.4.1 Rank Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 6.4.2 Crossing Reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 6.4.3 Coordinate Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 6.4.4 Edge Bending . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 6.5 Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 6.6 Message Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 7 Tables 121 7.1 Node Attributes Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 7.2 Statistics Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 7.3 Keyboard Commands Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 7.4 Command Line Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 7.4.1 General Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 7.4.2 General Layout Options . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 7.4.3 Layout Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 7.4.4 Layout Speed Options – Iteration Factors . . . . . . . . . . . . . . . . . . 127 7.4.5 View Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 7.4.6 Printer Driver Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 7.4.7 Animation Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 7.4.8 Windows Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 References 134 Index 136 6
Acknowledgements aiSee is based on the graph layout tool VCG (Visualization of Compiler Graphs). The work on VCG started as a diploma thesis written by Iris Lemke at Saarland University in 1991. The goal was to develop a tool that supports the understanding of the internal data structures of a compiler. Soon it became clear that such a graph layout tool was very useful in the context of compiler construction, e.g, for the debugging of compilers. The Department for Programming Languages and Compiler Construction at Saarland University decided to increase the efforts in the graph layout area, and VCG was redesigned, widely extended and reimplemented. The VCG tool won the Graph Visualization Competition in Princeton (in the category “directed graphs”) in 1994 and in Passau in 1995 (in the category A and honorably mentioned in category B). The key author of the VCG tool, Dr.-Ing. Georg Sander, received the GI-Dissertationspreis in 1997 (National Award, German Computer Science Society) for his work on “Visualisierungstechniken für den Compilerbau”. In January 2000, AbsInt Angewandte Informatik GmbH licensed the non-public version of VCG from the Saarland University for commercial usage. Foremost, we would like to thank the key author Dr.-Ing. Georg Sander for the outstanding development. We would like to thank Iris Lemke, Martin Sicks, Stephan Thesing, Marc Langenbach, Christian Ferdinand, Judith Engelkamp and Amy S. Bryant who contributed in various stages to aiSee and/or its documentation, Gerhard Korz and Prof. Dr. Maximilian Herberger who were very supportive and patient during the license negotiations, Prof. Dr. Reinhard Wilhelm who provided the environment to develop VCG at his chair at Saarland University, the COMPARE group who had the pleasure and pain to work with early versions of VCG, and the many VCG users who provided valuable feedback.
Page 1: aiSee Graph Visualization User Docu
Page 4 and 5: 3.6 Auxiliaries (User Action) . . .
Page 9 and 10: 1 Introduction aiSee is a tool that
Page 11 and 12: 3 Usage This chapter describes the
Page 13 and 14: 3.3 Navigating Through a Graph Ther
Page 15 and 16: • Information field 1, 2, or 3 Th
Page 17 and 18: focus. The entire graph is drawn in
Page 19 and 20: • Clicking in an open information
Page 21 and 22: There is no direct interface for pr
Page 23 and 24: • Center width centers horizontal
Page 25 and 26: 4.1.3 Example Figure 7 shows a nest
Page 27 and 28: 4.1.4 Edge Classes - Expose/Hide Ed
Page 29 and 30: Operations: A neighbor region can b
Page 31 and 32: Note: Clustering is an experimental
Page 33 and 34: Figure 9: View Dialog Box • Scrol
Page 35 and 36: Figure 11: Polar Fish-Eye View Self
Page 37 and 38: for a graph and if animation is tur
Page 39 and 40: • Arrow Heads Enables the mode fo
Page 41 and 42: B in the message window (see p. 120
Page 43 and 44: } < list of node attributes > The t
Page 45 and 46: } target: < title of target node >
Page 47 and 48: 5.6 Examples of GDL Specifications
Page 49 and 50: Figure 14: Bent Near, Right-Bent Ne
Page 51 and 52: 06 yspace: 55 07 node: { title:"18"
Page 53 and 54: 22 node: { title:"2" label: "Start"
Page 55 and 56: 11 edge: { source: "0" target: "4"
Page 57 and 58:
Figure 21: Example 10, maxdepth; an
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• maxoutdegree, finetuning: no Th
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Figure 27: Example 11, tree layout,
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the style of edges in order to redu
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63 node: { title: "tcsh" level: 6 s
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• bmax Type: integer Default valu
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specifies the color white. For inst
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- energetic gravity, Default value:
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This attribute specifies the consta
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Attribute of: subgraphs Description
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maxdepth and maxdepth do not provid
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• magnetic_field1, magnetic_field
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0 for pmin 100 for pmax Attribute o
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min sets the minimum number of iter
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This parameter only influences the
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• tempscheme Type: integer Defaul
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For details on user actions, see se
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screen, i. e. the x and y coordinat
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5.8 Node Attributes This section de
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AISEEICONS can be set to the direct
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Description: Specifies the horizont
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Description: In a hierarchical layo
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- ”solid” Arrow head is a trian
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- dotted The edge consists of singl
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5.10 Colors aiSee has a color map o
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PostScript, the original PostScript
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5.12 User Action aiSee supports the
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- Selecting special characters Spec
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egion_attribute : “source” “:
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6 Overview of the Layout Phases The
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6.4 Hierarchical Layout 6.4.1 Rank
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The ordering of nodes within one le
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7 Tables 7.1 Node Attributes Table
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Key Menu Item Command Navigation Co
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-notune | -nofinetune See finetunin
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-d minindeg | -d minindegree See la
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-view dcfish See view (p. 90). -vie
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a4 | A4 A4 (21 cm x 30 cm) b5 | B5
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-canim Animates the crossing reduct
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[WiMa92] Wilhelm, Reinhard; Maurer,
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-nomanhattan, 125 -nonearedge, 126
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edge style continuous, 102 dashed,
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near_edges, 80 nearedge, 44, 111 ne
Page 143:
xspace, 92, 119 y, 90 ybase, 91 yma
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5 Graph Description Language (GDL) - Absint

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