5 Graph Description Language (GDL) - Absint

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• fontname Type: string Default value: default font is drawn by turtle graphics routines Attribute of: node Description: This attribute specifies a pixel font which is different from the default font and to be used for drawing the edge labels. This font is given by the name of the aiSee font file that containing the font description, for example a 12-point Times Roman font can be specified via fontname: "timR12". Note: If the font file is not in the current directory the environment variable AISEEFONTS has to be set to the directory containing the font description files. For details on fonts, see p. 106. • horizontal_order Type: integer Default value: unspecified Attribute of: edge Description: In a hierarchical layout, this attribute specifies the horizontal position of long edges. This is only of interest if an edge crosses several levels (see node attribute horizontal_order, p. 94). This attribute specifies the point where the edge crosses the level. The nodes specified by horizontal positions are ordered according to these positions within a level. The horizontal position of a long edge crossing a level specifies the two nodes of the level between which the edge has to be drawn. Other edges not possessing this attribute are inserted in this ordering by the crossing reduction mechanism (see p. 118). • label Type: string Default value: empty string Attribute of: edge Description: This attribute specifies the text label of an edge. It is drawn if the graph attribute display_edge_labels (p. 69) is set to yes. Note: This string may contain control characters, e. g. \n (newline character), that influence the size of the label. See p. 109 for more details. • linestyle Type: continuous, dashed, dotted, double, invisible, solid, triple Default value: continuous Attribute of: edge Description: This attribute specifies the style in which an edge is drawn. The following possibilities are offered: – continuous The edge is drawn as a solid line (——). – dashed The edge consists of single dashes (– – –). 102
– dotted The edge consists of single dots ( ··· ). – double The edge consists of a solid double line ( === ). – invisible The edge is not drawn. The attributes of its shape (color, thickness) are ignored. – solid The edge is drawn as a solid line (same as continuous parameter). – triple The edge consists of a solid triple line ( ≡≡≡ ) • priority Type: integer Default value: 1 Attribute of: edge Description: The positions of the nodes are mainly determined by the incoming and outgoing edges. The edges can be imagined as rubberbands pulling a node to its position. The priority of an edge corresponds to the strength of the imaginary rubberband acting on it. • source Type: string Default value: no default Attribute of: edge Description: This attribute specifies the title of the source node of an edge. It is mandatory for the edge specification. • target Type: string Default value: no default Attribute of: edge Description: This attribute specifies the title of the target node of an edge. It is mandatory for the edge specification. • textcolor Type: black, blue, red, ... Default value: value of the color attribute Attribute of: edge Description: Specifies the color of the text label of an edge. For details on colors, see p. 105. See also node attributes color (p. 101) and arrowcolor (p. 100). • thickness Type: integer 103
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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
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for a graph and if animation is tur
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• Arrow Heads Enables the mode fo
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B in the message window (see p. 120
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} < list of node attributes > The t
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} target: < title of target node >
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5.6 Examples of GDL Specifications
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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 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: - ”solid” Arrow head is a trian
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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5 Graph Description Language (GDL) - Absint

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