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 different from the default font and used for drawing the text labels of summary nodes. The font is given by the name of the aiSee font file 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. • height Type: integer Default value: (node label height) pixels Attribute of: node Description: This attribute specifies the height of a node including the border. See also node attribute width (p. 99). • horizontal_order Type: integer Default value: none (corresponds to −1) Attribute of: node Description: In a hierarchical layout, this attribute specifies the horizontal position of a node within a level (see node attribute vertical_order, p. 98). Nodes specified by horizontal positions are ordered according to these positions within levels. Nodes without this attribute are inserted in this ordering by the crossing reduction mechanism (see p. 118). Note: Connected components are handled separately during crossing reduction, thus it is not possible to intermix nodes of different connected components in one ordering sequence. For example, one connected component consists of nodes A, B, C and another one of nodes D and E, which are all positioned at the same level. Then, for instance, it is not possible to specify the following horizontal order at level 0: A, D, C, E. Note further: If the algorithm for downward laid-out trees is used, the specified horizontal order is only retained within nodes that are children of the same node, i. e. in case of downward laid-out trees it is not possible to specify a horizontal order for the entire level. • iconfile Type: string Default value: no default value Attribute of: node Description: This attribute specifies the bitmap file (format: raw PBM, PPM) to be displayed in the node. Note: If the bitmap file to be displayed is not in the current directory the environment variable 94
AISEEICONS can be set to the directory containing the bitmap file. For details on pictures in nodes, see p. 106. • importance Type: integer Default value: 0 (which means infinity) Attribute of: node Description: This is the central attribute when it comes to filtering in fish-eye views as it enables the importance of a node to be specified via an integer. Low integers signify less important nodes which are filtered out first by a filtering fish-eye view. High integer numbers signify nodes that are important, their being rarely filtered out. A value of 0 represents an infinite importance, the result being that these nodes are never filtered out. This attribute also exists for summary nodes of folded subgraphs, see importance (p. 74). • info1, info2, info3 Type: string Default value: empty string for all three Attribute of: node Description: These attributes enable three additional text fields to be specified for a node. The same set of attributes exists for summary nodes (see node attribute info1, p. 75). These additional information fields can be selected interactively from the submenu of the Information menu (see p. 19). When exporting a graph to SVG (or HTML), a URL can be specified in the info3 field of a node that is visited when the user clicks on that node in the SVG (or PNG or BMP) image. The URL specification has to be in the format info3: "href:URL", meaning that if the content of an info3 field does not start with href:, it will be interpreted as a normal information field rather than as a hyperlink. In addition to a URL, the following optional hyperlink attributes can be specified: – target – onMouseOver – onMouseOut – onMouseDown – onMouseUp – onMouseMove – onClick These attributes can be specified in any order directly after the URL itself. The specifications must be separated by semicolons. Examples: info3: "href:http://www.aisee.com/svg/" info3: "href:javascript:myfunction(42,’Hello world!’)" info3: "href:http://www.aisee.com;target:_blank;onClick:foo(’bar’)" 95
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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
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 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: 5.8 Node Attributes This section de
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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5 Graph Description Language (GDL) - Absint

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