Method Summary |
|
__init__ (self,
name_or_open_file,
strict)
Create a new graph, or read an existing graph from a dot file. |
Inherited from GraphBase |
|
add_edge (self,
tail,
head)
Create an edge between two nodes. |
|
add_node (self,
name,
**attributes)
Add a node to the graph. |
|
from_bgl (cls,
bgraph,
node_properties,
edge_properties)
Translate a boost.python graph into a yapgvb graph. (Class method)
|
|
layout (self,
engine,
rendering_context)
Process the graph with one of the layout engines supplied by
Graphviz. |
|
read (cls,
input_stream_or_filename)
Read a graph from a dot file. (Class method)
|
|
render (self,
outstream,
format,
rendering_context)
Render the graph to a file. |
|
to_bgl (ygraph,
node_properties,
edge_properties)
Translate a graphviz graph into a boost.python graph. |
|
write (self,
output_stream_or_filename)
Output the graph in the dot language format. |
Property Summary |
Inherited from GraphBase |
rect |
bb : Bounding box of drawing in integer points. |
str |
bgcolor : When attached to the root graph, this color is used as the background
for entire canvas. |
boolean |
center : If true, the drawing is centered in the output canvas. |
str |
charset : Specifies the character encoding used when interpreting string input
as a text label. |
string |
clusterrank : Mode used for handling clusters. |
str |
colorscheme : This attribute specifies a color scheme namespace. |
str |
comment : Comments are inserted into output. |
boolean |
compound : If true, allow edges between clusters. |
boolean |
concentrate : If true, use edge concentrators. |
float |
Damping : Factor damping force motions. |
float |
defaultdist : This specifies the distance between nodes in separate connected
components. |
int |
dim : Set the number of dimensions used for the layout. |
|
directed : True if directed, False if not. |
float |
dpi : This specifies the expected number of pixels per inch on a display
device. |
|
edges : An iterator of edges contained in the graph. |
float |
epsilon : Terminating condition. |
str |
fontcolor : Color used for text. |
str |
fontname : Font used for text. |
str |
fontpath : Directory list used by libgd to search for bitmap fonts if Graphviz
was not built with the fontconfig library. |
float |
fontsize : Font size, in points, used for text. |
|
graph : graph to which this belongs (parent, if a subgraph, otherwise
self) |
float |
K : Spring constant used in virtual physical model. |
str |
label : Text label attached to objects. |
str |
labeljust : Justification for cluster labels. |
str |
labelloc : Top/bottom placement of graph and cluster labels. |
boolean |
landscape : If true, the graph is rendered in landscape mode. |
str |
layers : Specifies a linearly ordered list of layer names attached to the graph
The graph is then output in separate layers. |
str |
layersep : Specifies the separator characters used to split the layers attribute
into a list of layer names. |
float |
levelsgap : Specifies strictness of level constraints in neato when
mode="hier". |
(x,y) or (x,y,z) tuple |
lp : Label position, in points. |
float |
margin : For graphs, this sets x and y margins of canvas, in inches. |
int |
maxiter : Sets the number of iterations used. |
float |
mclimit : Multiplicative scale factor used to alter the MinQuit (default = 8)
and MaxIter (default = 24) parameters used during crossing
minimization. |
float |
mindist : Specifies the minimum separation between all nodes. |
str |
mode : Technique for optimizing the layout. |
str |
model : This value specifies how the distance matrix is computed for the input
graph. |
|
nodes : An iterator over all nodes in the graph |
float |
nodesep : Minimum space between two adjacent nodes in the same rank, in
inches. |
boolean |
nojustify : By default, the justification of multi-line labels is done within the
largest context that makes sense. |
boolean |
normalize : If set, normalize coordinates of final layout so that the first point
is at the origin, and then rotate the layout so that the first edge is
horizontal. |
float |
nslimit |
float |
nslimit1 |
str |
ordering : If "out" for a graph G, and n is a node in G, then edges
n->* appear left-to-right in the same order in which they are
defined. |
str |
orientation : Angle, in degrees, used to rotate node shapes. |
string |
outputorder : Specify order in which nodes and edges are drawn. |
str |
overlap : Determines if and how node overlaps should be removed. |
boolean |
pack : This is true if the value of pack is "true"
(case-insensitive) or a non-negative integer. |
string |
packmode : This indicates the granularity and method used for packing (cf. |
pointf |
page : Width and height of output pages, in inches. |
string |
pagedir : If the page attribute is set and applicable, this attribute specifies
the order in which the pages are emitted. |
float |
quantum : If quantum > 0.0, node label dimensions will be rounded to integral
multiples of the quantum. |
string |
rankdir : Sets direction of graph layout. |
float |
ranksep : In dot, this the gives desired rank separation, in inches. |
float |
ratio : Sets the aspect ratio (drawing height/drawing width) for the
drawing. |
boolean |
remincross : If true and there are multiple clusters, run cross minimization a
second time. |
float |
resolution : This is a synonym for the dpi attribute. |
str |
root : This specifies nodes to be used as the center of the layout and the
root of the generated spanning tree. |
int |
rotate : If 90, set drawing orientation to landscape. |
int |
samplepoints : If the input graph defines the vertices attribute, and output is dot
or xdot, this give the number of points used to represent circles and
ellipses. |
int |
searchsize : During network simplex, maximum number of edges with negative cut
values to search when looking for one with minimum cut value. |
float |
sep : Fraction to increase polygons (multiply coordinates by 1 + sep) for
purposes of determining overlap. |
int |
showboxes : Print guide boxes in PostScript at the beginning of routesplines if 1,
or at the end if 2. |
pointf |
size : Maximum width and height of drawing, in inches. |
str |
splines : Controls how, and if, edges are represented. |
string |
start : Parameter used to determine the initial layout of nodes. |
|
strict : True if strict, False if not. |
str |
stylesheet : A URL or pathname specifying an XML style sheet, used in SVG
output. |
str |
target : If the object has a URL, this attribute determines which window of the
browser is used for the URL. |
boolean |
truecolor : If set explicitly to true or false, the value determines whether or
not internal bitmap rendering relies on a truecolor color model or uses a
color palette. |
|
URL : Hyperlinks incorporated into device-dependent output. |
str |
viewport : Clipping window on final drawing. |
float |
voro_margin |