5 Graph Description Language (GDL) - Absint

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The layout algorithms minoutdegree and mindegree happen to result in the same layout (see left of Figure 25). • mindegree, finetuning: yes Compared to the previous layout, the long edges Start–>1 Start–>2 and Start–>6 are eliminated. This changes the structure of the layout entirely (see right of Figure 21). 5.6.4 Tree Layout The following example shows a typed syntax tree. This tree can either be drawn by the specialized algorithm for “downward laid-out trees” or by the normal algorithms. When the normal algorithms are used to draw a tree, it is advisable to increase the layout down factor in order to obtain good results (see Figure 26). If the layout down factor is not used, the incoming edges draw the nodes too much in the direction of the parent node. Figure 26: Example 11, normal layout A nice layout is achieved by the specialized tree algorithm with a tree factor of 0.9 (see Figure 27). If an orthogonal layout is needed, the attribute smanhattan_edges can be used. For trees, this attribute is more appropriate than the standard Manhattan layout with manhattan_edges (see Figure 28). 60
Figure 27: Example 11, tree layout, treefactor: 0.9 Example 11: Syntax Tree 01 graph: { 02 title: "Typed Syntax Tree" 03 node: { title:"503160" label: "Identifier\ntst3 (0)" } 04 node: { title:"503240" label: "Identifier\nx (0)" } 05 node: { title:"502952" label: "INTEGER" } 06 node: { title:"503304" label: "VarDecl" } ... 29 node: { title:"T0" label: "no type" } 30 node: { title:"T1" label: "no type" } 31 node: { title:"T2" label: "int" } ... 57 edge: { source:"503304" target:"503240" } 58 edge: { source:"503304" target:"502952" } ... 83 nearedge: { source:"503160" target:"T0" linestyle: dotted } 84 nearedge: { source:"503240" target:"T1" linestyle: dotted } 85 nearedge: { source:"502952" target:"T2" linestyle: dotted } ... 110 } 61
Page 1:
aiSee Graph Visualization User Docu
Page 4 and 5:
3.6 Auxiliaries (User Action) . . .
Page 6 and 7:
6.4.1 Rank Assignment . . . . . . .
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
Page 59: • maxoutdegree, finetuning: no Th
Page 63 and 64: the style of edges in order to redu
Page 65 and 66: 63 node: { title: "tcsh" level: 6 s
Page 67 and 68: • bmax Type: integer Default valu
Page 69 and 70: specifies the color white. For inst
Page 71 and 72: - energetic gravity, Default value:
Page 73 and 74: This attribute specifies the consta
Page 75 and 76: Attribute of: subgraphs Description
Page 77 and 78: maxdepth and maxdepth do not provid
Page 79 and 80: • magnetic_field1, magnetic_field
Page 81 and 82: 0 for pmin 100 for pmax Attribute o
Page 83 and 84: min sets the minimum number of iter
Page 85 and 86: This parameter only influences the
Page 87 and 88: • tempscheme Type: integer Defaul
Page 89 and 90: For details on user actions, see se
Page 91 and 92: screen, i. e. the x and y coordinat
Page 93 and 94: 5.8 Node Attributes This section de
Page 95 and 96: AISEEICONS can be set to the direct
Page 97 and 98: Description: Specifies the horizont
Page 99 and 100: Description: In a hierarchical layo
Page 101 and 102: - ”solid” Arrow head is a trian
Page 103 and 104: - dotted The edge consists of singl
Page 105 and 106: 5.10 Colors aiSee has a color map o
Page 107 and 108: PostScript, the original PostScript
Page 109 and 110: 5.12 User Action aiSee supports the
Page 111 and 112:
- Selecting special characters Spec
Page 113 and 114:
egion_attribute : “source” “:
Page 115 and 116:
6 Overview of the Layout Phases The
Page 117 and 118:
6.4 Hierarchical Layout 6.4.1 Rank
Page 119 and 120:
The ordering of nodes within one le
Page 121 and 122:
7 Tables 7.1 Node Attributes Table
Page 123 and 124:
Key Menu Item Command Navigation Co
Page 125 and 126:
-notune | -nofinetune See finetunin
Page 127 and 128:
-d minindeg | -d minindegree See la
Page 129 and 130:
-view dcfish See view (p. 90). -vie
Page 131 and 132:
a4 | A4 A4 (21 cm x 30 cm) b5 | B5
Page 133 and 134:
-canim Animates the crossing reduct
Page 135 and 136:
[WiMa92] Wilhelm, Reinhard; Maurer,
Page 137 and 138:
-nomanhattan, 125 -nonearedge, 126
Page 139 and 140:
edge style continuous, 102 dashed,
Page 141 and 142:
near_edges, 80 nearedge, 44, 111 ne
Page 143:
xspace, 92, 119 y, 90 ybase, 91 yma
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