| gv(3java) | gv(3java) |
NAME¶
gv_java - graph manipulation in java
SYNOPSIS¶
System.loadLibrary("gv");
USAGE¶
INTRODUCTION¶
gv_java is a dynamically loaded extension for java that provides access to the graph facilities of graphviz.
COMMANDS¶
- New graphs
-
- New empty graph
-
SWIGTYPE_p_Agraph_t gv.graph (string name);
SWIGTYPE_p_Agraph_t gv.digraph (string name);
SWIGTYPE_p_Agraph_t gv.strictgraph (string name);
SWIGTYPE_p_Agraph_t gv.strictdigraph (string name);
- New graph from a dot-syntax string or file
-
SWIGTYPE_p_Agraph_t gv.readstring (string string);
SWIGTYPE_p_Agraph_t gv.read (string filename);
SWIGTYPE_p_Agraph_t gv.read (SWIGTYPE_p_FILE f);
- Add new subgraph to existing graph
-
SWIGTYPE_p_Agraph_t gv.graph (SWIGTYPE_p_Agraph_t g, string name);
- New nodes
-
- Add new node to existing graph
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SWIGTYPE_p_Agnode_t gv.node (SWIGTYPE_p_Agraph_t g, string name);
- New edges
-
- Add new edge between existing nodes
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SWIGTYPE_p_Agedge_t gv.edge (SWIGTYPE_p_Agnode_t t, SWIGTYPE_p_Agnode_t h);
- Add a new edge between an existing tail node, and a named head node which will be induced in the graph if it doesn't already exist
-
SWIGTYPE_p_Agedge_t gv.edge (SWIGTYPE_p_Agnode_t t, string hname);
- Add a new edge between an existing head node, and a named tail node which will be induced in the graph if it doesn't already exist
-
SWIGTYPE_p_Agedge_t gv.edge (string tname, SWIGTYPE_p_Agnode_t h);
- Add a new edge between named tail and head nodes which will be induced in the graph if they don't already exist
-
SWIGTYPE_p_Agedge_t gv.edge (SWIGTYPE_p_Agraph_t g, string tname, string hname);
- Setting attribute values
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- Set value of named attribute of graph/node/edge - creating attribute if necessary
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string gv.setv (SWIGTYPE_p_Agraph_t g, string attr, string val);
string gv.setv (SWIGTYPE_p_Agnode_t n, string attr, string val);
string gv.setv (SWIGTYPE_p_Agedge_t e, string attr, string val);
- Set value of existing attribute of graph/node/edge (using attribute handle)
-
string gv.setv (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agsym_t a, string val);
string gv.setv (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agsym_t a, string val);
string gv.setv (SWIGTYPE_p_Agedge_t e, SWIGTYPE_p_Agsym_t a, string val);
- Getting attribute values
-
- Get value of named attribute of graph/node/edge
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string gv.getv (SWIGTYPE_p_Agraph_t g, string attr);
string gv.getv (SWIGTYPE_p_Agnode_t n, string attr);
string gv.getv (SWIGTYPE_p_Agedge_t e, string attr);
- Get value of attribute of graph/node/edge (using attribute handle)
-
string gv.getv (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agsym_t a);
string gv.getv (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agsym_t a);
string gv.getv (SWIGTYPE_p_Agedge_t e, SWIGTYPE_p_Agsym_t a);
- Obtain names from handles
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string gv.nameof (SWIGTYPE_p_Agraph_t g);
string gv.nameof (SWIGTYPE_p_Agnode_t n);
string gv.nameof (SWIGTYPE_p_Agsym_t a);
- Find handles from names
-
SWIGTYPE_p_Agraph_t gv.findsubg (SWIGTYPE_p_Agraph_t g, string name);
SWIGTYPE_p_Agnode_t gv.findnode (SWIGTYPE_p_Agraph_t g, string name);
SWIGTYPE_p_Agedge_t gv.findedge (SWIGTYPE_p_Agnode_t t, SWIGTYPE_p_Agnode_t h);
SWIGTYPE_p_Agsym_t gv.findattr (SWIGTYPE_p_Agraph_t g, string name);
SWIGTYPE_p_Agsym_t gv.findattr (SWIGTYPE_p_Agnode_t n, string name);
SWIGTYPE_p_Agsym_t gv.findattr (SWIGTYPE_p_Agedge_t e, string name);
- Misc graph navigators returning handles
-
SWIGTYPE_p_Agnode_t gv.headof (SWIGTYPE_p_Agedge_t e);
SWIGTYPE_p_Agnode_t gv.tailof (SWIGTYPE_p_Agedge_t e);
SWIGTYPE_p_Agraph_t gv.graphof (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agraph_t gv.graphof (SWIGTYPE_p_Agedge_t e);
SWIGTYPE_p_Agraph_t gv.graphof (SWIGTYPE_p_Agnode_t n);
SWIGTYPE_p_Agraph_t gv.rootof (SWIGTYPE_p_Agraph_t g);
- Obtain handles of proto node/edge for setting default attribute values
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SWIGTYPE_p_Agnode_t gv.protonode (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agedge_t gv.protoedge (SWIGTYPE_p_Agraph_t g);
- Iterators
-
- Iteration termination tests
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bool gv.ok (SWIGTYPE_p_Agraph_t g);
bool gv.ok (SWIGTYPE_p_Agnode_t n);
bool gv.ok (SWIGTYPE_p_Agedge_t e);
bool gv.ok (SWIGTYPE_p_Agsym_t a);
- Iterate over subgraphs of a graph
-
SWIGTYPE_p_Agraph_t gv.firstsubg (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agraph_t gv.nextsubg (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agraph_t sg);
- Iterate over supergraphs of a graph (obscure and rarely useful)
-
SWIGTYPE_p_Agraph_t gv.firstsupg (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agraph_t gv.nextsupg (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agraph_t sg);
- Iterate over edges of a graph
-
SWIGTYPE_p_Agedge_t gv.firstedge (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agedge_t gv.nextedge (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agedge_t e);
- Iterate over outedges of a graph
-
SWIGTYPE_p_Agedge_t gv.firstout (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agedge_t gv.nextout (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agedge_t e);
- Iterate over edges of a node
-
SWIGTYPE_p_Agedge_t gv.firstedge (SWIGTYPE_p_Agnode_t n);
SWIGTYPE_p_Agedge_t gv.nextedge (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agedge_t e);
- Iterate over out-edges of a node
-
SWIGTYPE_p_Agedge_t gv.firstout (SWIGTYPE_p_Agnode_t n);
SWIGTYPE_p_Agedge_t gv.nextout (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agedge_t e);
- Iterate over head nodes reachable from out-edges of a node
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SWIGTYPE_p_Agnode_t gv.firsthead (SWIGTYPE_p_Agnode_t n);
SWIGTYPE_p_Agnode_t gv.nexthead (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agnode_t h);
- Iterate over in-edges of a graph
-
SWIGTYPE_p_Agedge_t gv.firstin (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agedge_t gv.nextin (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agedge_t e);
- Iterate over in-edges of a node
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SWIGTYPE_p_Agedge_t gv.firstin (SWIGTYPE_p_Agnode_t n);
SWIGTYPE_p_Agedge_t gv.nextin (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agedge_t e);
- Iterate over tail nodes reachable from in-edges of a node
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SWIGTYPE_p_Agnode_t gv.firsttail (SWIGTYPE_p_Agnode_t n);
SWIGTYPE_p_Agnode_t gv.nexttail (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agnode_t t);
- Iterate over nodes of a graph
-
SWIGTYPE_p_Agnode_t gv.firstnode (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agnode_t gv.nextnode (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agnode_t n);
- Iterate over nodes of an edge
-
SWIGTYPE_p_Agnode_t gv.firstnode (SWIGTYPE_p_Agedge_t e);
SWIGTYPE_p_Agnode_t gv.nextnode (SWIGTYPE_p_Agedge_t e, SWIGTYPE_p_Agnode_t n);
- Iterate over attributes of a graph
-
SWIGTYPE_p_Agsym_t gv.firstattr (SWIGTYPE_p_Agraph_t g);
SWIGTYPE_p_Agsym_t gv.nextattr (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_Agsym_t a);
- Iterate over attributes of an edge
-
SWIGTYPE_p_Agsym_t gv.firstattr (SWIGTYPE_p_Agedge_t e);
SWIGTYPE_p_Agsym_t gv.nextattr (SWIGTYPE_p_Agedge_t e, SWIGTYPE_p_Agsym_t a);
- Iterate over attributes of a node
-
SWIGTYPE_p_Agsym_t gv.firstattr (SWIGTYPE_p_Agnode_t n);
SWIGTYPE_p_Agsym_t gv.nextattr (SWIGTYPE_p_Agnode_t n, SWIGTYPE_p_Agsym_t a);
- Remove graph objects
-
bool gv.rm (SWIGTYPE_p_Agraph_t g);
bool gv.rm (SWIGTYPE_p_Agnode_t n);
bool gv.rm (SWIGTYPE_p_Agedge_t e);
- Layout
-
- Annotate a graph with layout attributes and values using a specific layout engine
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bool gv.layout (SWIGTYPE_p_Agraph_t g, string engine);
- Render
-
- Render a layout into attributes of the graph
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bool gv.render (SWIGTYPE_p_Agraph_t g);
- Render a layout to stdout
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bool gv.render (SWIGTYPE_p_Agraph_t g, string format);
- Render to an open file
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bool gv.render (SWIGTYPE_p_Agraph_t g, string format, SWIGTYPE_p_FILE fout);
- Render a layout to an unopened file by name
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bool gv.render (SWIGTYPE_p_Agraph_t g, string format, string filename);
- Render to an open channel
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bool gv.renderchannel (SWIGTYPE_p_Agraph_t g, string format, string channelname);
- Render to a string result
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gv.renderresult (SWIGTYPE_p_Agraph_t g, string format, string outdata);
- Render a layout to a malloc'ed string, to be free'd by the caller
-
- (deprecated - too easy to leak memory)
-
- (still needed for "eval [gv::renderdata $G tk]" )
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string gv.renderdata (SWIGTYPE_p_Agraph_t g, string format);
- Writing graph back to file
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bool gv.write (SWIGTYPE_p_Agraph_t g, string filename);
bool gv.write (SWIGTYPE_p_Agraph_t g, SWIGTYPE_p_FILE f);
KEYWORDS¶
graph, dot, neato, fdp, circo, twopi, java.
| 10 December 2009 |