addDouble
A double with an optional prefix '+'.
Attribute Types
Catalogue of the schemas/types/grammars expected by attributes.
The following list gives the legal strings corresponding to values of
the given types.
The syntax for describing legal type strings is a mixture of literal strings,
stdio encodings (e.g., %f for a double), and regular expressions.
For regular expressions, (...)* indicates 0 or more copies of the expression
enclosed in the parentheses, (...)+ indicates 1 or more, and
(...)? denotes 0 or 1 copy.
arrowType
Edge arrowhead shape
bool
Boolean; true or false.
colorList
List of (optionally weighted) color values, forming a linear gradient
dirType
Edge arrow direction type
double
Double-precision floating point number
doubleList
List of doubles
escString
String with backslashed escape sequences
int
Integer number
layerRange
A list of layers defined by the layers attribute
lblString
Label string
outputMode
The order in which nodes and edges are drawn in output.
packMode
How closely to pack together graph components
pagedir
Page Direction
point
2-dimensional (or 3-dimensional) geometrical point in space
portPos
Port Position: where on a node an edge should be aimed
quadType
Quadtree scheme
rankdir
Direction to draw directed graphs (one rank at a time)
rankType
Rank constraints on the nodes in a subgraph
startType
How to initially layout nodes
string
Text; a sequence of characters.
viewPort
Clipping window on final drawing
xdot
List of graphical operations in Graphviz's xdot language.