5 Graph Description Language (GDL) - Absint

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Default value: black for summary nodes Attribute of: subgraphs Description: Specifies the color for text labels of summary nodes. For details on colors, see p. 105. See also color (p. 68) and bordercolor (p. 67). • textmode Type: center, left_justify, right_justify Default value: center Attribute of: subgraphs Description: This attribute specifies the alignment of text within a summary node frame. • title Type: string Default value: name of the graph specification file Attribute of: subgraphs Description: This attribute specifies the name associated with the subgraph. If no title is specified the name of the file containing the graph specification is used. Note: Titles have to be unique throughout a graph specification, meaning there can be only one subgraph at most without a title specification. The name of a subgraph is used to identify this graph, so that the subgraph can be the source and target of an edge specification. These edges start or end at the summary nodes of folded subgraphs. If the subgraph is visualized unfolded, these edges start or end at the root of the subgraph or at the root of the first subgraph in the subgraph. • treefactor Type: float Default value: 0.5 Attribute of: top-level graph, subgraphs Description: The tree algorithm for downward laid-out trees tries to produce a medium dense balanced tree-like layout. If the tree factor is greater than 0.5, the tree edges are spread, i. e. they have a larger gradient, this possibly improving the readability of the tree. Note: It is not obvious whether spreading results in a denser or wider layout. A tree factor exists for each tree, enabling maximu density of the entire tree. • useractioncmd1, useractioncmd2, useractioncmd3, useractioncmd4 Type: string Default value: empty string for all four Attribute of: top-level graph Description: These attributes enable four commands to be specified in a graph specification, that are executed when one of the User Action menu entries in the Auxiliaries menu is invoked by the user. 88
For details on user actions, see section User Actions (p. 20) and also be refered to useractionname on p. 89. • useractionname Type: integer : string Default value: 1 : “User Action 1”, 2 : “User Action 2”, 3 : “User Action 3”, 4 : “User Action 4” Attribute of: top-level graph Description: This attribute enables names for the user actions menu entries in the Auxiliaries menu to be introduced. These names appear in the submenu of the menu item Auxiliaries in the menu line. For details on user actions, see section User Actions (p. 20) and useractioncmd on p. 88. • vertical_order Type: integer or maxlevel Default value: none (corresponds to -1) Attribute of: subgraphs Description: In a hierarchical layout, this attribute specifies the vertical position of a summary node of a folded subgraph. maxlevel tries to position the node as the maximum calculated level. Generally for all nodes, their vertical position is called their level or rank (see p. 117). level is a synonym for vertical_order. All nodes of level 0 form the uppermost layer (the first layer), if the orientation is top-down. Nodes of level 1 form the second layer, etc. The level specification is not in effect unless automatic layout is being calculated. Layout is calculated automatically if there is at least one node without a specified location (see loc attribute for nodes (p. 96) and summary nodes (p. 78). Note: The level specification may conflict with a near edge (p. 44) specification, because the source and target node of a near edge have to have the same level. In this case, the level specification of the source or the target node of the near edge is ignored. • view Type: cfish, fcfish, dcfish, pfish, fpfish, dpfish Default value: normal view, i. e. no fish-eye view Attribute of: top-level graph Description: This attribute enables one of the six fish-eye views to be selected. If a graph is large only a small amount of it is visible in the graph window because of the fixed size of the window. Reducing the graph so that it fits into the window causes details to no longer be recognizable. The solution to this is fish-eye views. A fish-eye view is a coordinate transformation, causing the view of the graph to be distorted. There is a focus which is magnified so that all the details can be seen. Parts of the graph that are far away from the focus are scaled down. 89
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aiSee Graph Visualization User Docu
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3.6 Auxiliaries (User Action) . . .
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6.4.1 Rank Assignment . . . . . . .
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1 Introduction aiSee is a tool that
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3 Usage This chapter describes the
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3.3 Navigating Through a Graph Ther
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• Information field 1, 2, or 3 Th
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focus. The entire graph is drawn in
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• Clicking in an open information
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There is no direct interface for pr
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• Center width centers horizontal
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4.1.3 Example Figure 7 shows a nest
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4.1.4 Edge Classes - Expose/Hide Ed
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Operations: A neighbor region can b
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Note: Clustering is an experimental
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Figure 9: View Dialog Box • Scrol
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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 and 60: • maxoutdegree, finetuning: no Th
Page 61 and 62: Figure 27: Example 11, tree layout,
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: • tempscheme Type: integer Defaul
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
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edge style continuous, 102 dashed,
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near_edges, 80 nearedge, 44, 111 ne
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xspace, 92, 119 y, 90 ybase, 91 yma
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5 Graph Description Language (GDL) - Absint

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