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5 Graph Description Language (GDL) - Absint

5 Graph Description Language (GDL) - Absint

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Figure 30: Displayed Window and Virtual Window<br />

<strong>Description</strong>:<br />

This attribute is the horizontal raster for the positions of the line control points (the dummy<br />

nodes). It should be a divisor of xraster.<br />

• xlspace<br />

Type: integer<br />

Default value:<br />

( 1 2xspace)pixels, if polygons are used for edge drawing<br />

( 4 5yspace) pixels, if splines are used<br />

Attribute of: top-level graph, subgraphs<br />

<strong>Description</strong>:<br />

This attribute describes the horizontal distance between lines at the points where they cross<br />

levels. Note: It is advisable to set xlspace to a larger value, if splines are used in order to<br />

prevent sharp bends.<br />

• xspace,yspace<br />

Type: integer<br />

Default value:<br />

20 pixels for xspace,<br />

70 pixels for yspace<br />

Attribute of: top-level graph, subgraphs<br />

<strong>Description</strong>:<br />

xspace, yspace specify the minimum horizontal and vertical distance between nodes.<br />

92

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