5 Graph Description Language (GDL) - Absint

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of the folded subgraph. The size of a boxed subgraph is not affected, however the size of the subgraph nodes may still be affected. For details, see node attribute shrink (p. 98). • smanhattan_edges Type: yes, no Default value: no Attribute of: top-level graph, subgraphs Description: yes selects a specialized orthogonal layout: All horizontal edge segments between two levels share the same horizontal line, i. e. not only vertical edge segments are shared (as in the Manhattan layout, see p. 79). However, horizontal edge segments are shared by several edges, too. This looks nice for trees but might be confusing in general. • smax Type: integer Default value: 100 Attribute of: top-level graph, subgraphs Description: This attribute sets the maximum number of iterations of the straight-line recognition phase. This value is not of any use unless the straight-line recognition phase is switched on, see straight_phase on p. 85. It can be used to improve the Manhattan layout or the layout with the priority phase turned on. • splinefactor Type: integer Default value: 70 Attribute of: top-level graph Description: This factor determines the bending of splines. A factor of 100 indicates very sharp bending, a factor of 1 indicating very flat bending. Useful values range from 30 to 80. • splines Type: yes, no Default value: no Attribute of: top-level graph Description: This attribute specifies whether splines are used to draw edges. Polygon segments are used to draw edges by default, because this is much faster. Note that the spline drawing routine is very slow. Splines are mainly used to prepare high-quality PostScript output for very small graphs. • spreadlevel Type: integer Default value: 1 Attribute of: top-level graph, subgraphs Description: 84
This parameter only influences the tree algorithm. Spreading of the uppermost nodes of large balanced trees would increase the width of the tree to such an extent that the tree would no longer fit in a window. Consequently, the spread level specifies the minimum level (rank) where nodes are spread. Nodes of levels above the spread level are not spread. • state Type: boxed, clustered, exclusive, folded, unfolded, wrapped, Default value: unfolded Attribute of: subgraphs Description: This attribute specifies the initial state of a subgraph, i. e. it describes the way a subgraph is displayed the first time a graph is visualized. The appearance of the subgraph (its state) can be changed interactively later on (see p. 24). – boxed The subgraph is surrounded by a frame, i. e. drawn in a box. The nodes in side the box are independent of the rest of the graph, i. e. there are no edges connecting nodes outside the box with nodes inside the box and vice versa. For details, see p. 30. – clustered The subgraph is surrounded by a frame. In contrast to a box, edges from nodes outside the frame are drawn to nodes inside the frame and vice versa. This is an experimental feature. For details, see p. 30. – exclusive The subgraph is shown exclusively. All other nodes of the graph are not visible. Only edges between nodes of a group are visible. Of course, this value should appear only once in a graph specification. For details, see p. 31. – folded The nodes of a subgraph are hidden. They are represented by a single node, called a summary node. For details, see p. 29. – unfolded This is the default setting. – wrapped All nodes and edges belonging to the subgraph are wrapped using the same color. For details, see p. 31. • straight_phase Type: yes, no Default value: no Attribute of: top-level graph, subgraphs Description: yes switches on the straight phase. This is an additional phase that tries to avoid bends in long edges. Long edges are drawn as long straight vertical lines. Thus, this phase is not very appropriate for normal layout, however it is recommended when an orthogonal layout is selected (see manhattan_edges, p. 79). 85
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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
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 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: min sets the minimum number of iter
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
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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
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xspace, 92, 119 y, 90 ybase, 91 yma
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