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Annotation of researchv10dc/man/man9/graphdraw.9, revision 1.1

1.1     ! root        1: .TH GRAPHDRAW 9.1
        !             2: .CT 1 editor graphics
        !             3: .SH NAME
        !             4: graphdraw graphpic \- edit (combinatoric) graphs, convert to pic files
        !             5: .SH SYNOPSIS
        !             6: .B graphdraw
        !             7: [
        !             8: .I file
        !             9: ]
        !            10: .PP
        !            11: .B graphpic
        !            12: [
        !            13: .I option ...
        !            14: ]
        !            15: .I file
        !            16: .SH DESCRIPTION
        !            17: .I Graphdraw
        !            18: interactively edits and displays undirected graphs, and can also be used
        !            19: to display real-time animation of algorithms.
        !            20: If a
        !            21: .I file
        !            22: is mentioned, the graph stored in that file is edited.
        !            23: .PP
        !            24: Click button 1 in command line (at bottom of window) to type in commands:
        !            25: .TP \w'\f5!\fI\ program\ file\ \ \fR'u
        !            26: .BI r " file"
        !            27: Read file and display graph.
        !            28: .PD0
        !            29: .TP
        !            30: .BI w " file"
        !            31: Write current graph to file.
        !            32: .TP
        !            33: .BI cd " directory"
        !            34: Change directory.
        !            35: .TP
        !            36: .BI ! " program file"
        !            37: Execute animation
        !            38: .I program
        !            39: with
        !            40: .I file
        !            41: as input.
        !            42: .TP
        !            43: .B q
        !            44: Quit.
        !            45: .PD
        !            46: .PP
        !            47: Button 3 gets a menu of actions, which are
        !            48: usually accomplished by pointing with button 1.
        !            49: The parenthesized equivalents in the following list are explained
        !            50: under `Algorithm animation'.
        !            51: .TP 0
        !            52: .B create vertex
        !            53: Vertex is placed where button 1 is clicked.
        !            54: .RB ( vc
        !            55: .IR "x y" )
        !            56: .PD 0
        !            57: .TP
        !            58: .B delete
        !            59: Delete selected vertex and associated edges.
        !            60: .RB ( vd
        !            61: .IR i )
        !            62: .TP
        !            63: .B move
        !            64: Selected vertex moves with mouse until button 1 is released.
        !            65: .RB ( vm
        !            66: .IR i )
        !            67: .TP
        !            68: .B copy
        !            69: Copy of selected vertex and associated edges moves with mouse.
        !            70: .RB ( vc
        !            71: .IR "i x y" )
        !            72: .TP
        !            73: .B create/delete edge
        !            74: Point to first endpoint and click button 1.
        !            75: Point to second endpoint and click button 1.
        !            76: Continue selecting second endpoints with button 1.
        !            77: To unselect first endpoint, click button 2.
        !            78: .RB ( ec
        !            79: .IB "i j " /
        !            80: .B ed
        !            81: .IR "i j" )
        !            82: .TP
        !            83: .B restart
        !            84: Click button 1 to clear screen and discard current graph.
        !            85: .RB ( pr )
        !            86: .TP
        !            87: .B standard window
        !            88: Restart and reshape window to standard size,
        !            89: in which the drawing area is square and as large as possible.
        !            90: .TP
        !            91: .B small/large/no grid
        !            92: Impose/remove visible grid to which all new coordinates will be rounded.
        !            93: .TP
        !            94: .B exit
        !            95: Click button 1 to confirm.
        !            96: .TP
        !            97: .B labels menu
        !            98: .RS
        !            99: .TP
        !           100: .B label vertex
        !           101: Select vertex with button 1.
        !           102: Current label appears on command line.
        !           103: To accept it, click button 1.
        !           104: Otherwise, type in new label and hit return.
        !           105: .RB ( vl 
        !           106: .IR "i w" )
        !           107: .TP
        !           108: .B number vertices
        !           109: Vertex labels are set to the consecutive integers 1,2,...;
        !           110: this is the default.
        !           111: .RB ( vn )
        !           112: .TP
        !           113: .B label edge
        !           114: Default is
        !           115: .LR 1 .
        !           116: .RB ( el
        !           117: .IR "i j w" )
        !           118: .HP
        !           119: .B show/hide vertex labels
        !           120: .RB ( vs , 
        !           121: .BR vh )
        !           122: .HP
        !           123: .B show/hide edge labels
        !           124: .RB ( es ,
        !           125: .BR eh )
        !           126: .TP
        !           127: .B turn Euclidean edge labels on/off
        !           128: Distances are measured in pixels.
        !           129: .RB ( ee )
        !           130: .TP
        !           131: .B show/hide sum of edges
        !           132: .RE
        !           133: .TP
        !           134: .B graphics menu
        !           135: .RS
        !           136: .TP
        !           137: .B light/heavy/empty/full/invisible vertex
        !           138: Select style from menu with button 3; select vertices to change with button 1.
        !           139: The default is 
        !           140: .LR light .
        !           141: .RB ( vg
        !           142: .IR "i c" )
        !           143: .HP
        !           144: .B light/heavy edge
        !           145: .RB ( eg
        !           146: .IR "i j c" )
        !           147: .RE
        !           148: .TP
        !           149: .B macros menu
        !           150: Arrange for sets of vertices to act together.
        !           151: Actions on any vertex in the set apply to the whole set.
        !           152: Copying duplicates edges internal to the set.
        !           153: Creating an edge between vertexes in two different sets
        !           154: creates edges from every vertex in one set to every
        !           155: vertex in the other (bipartite subgraph).
        !           156: .RS
        !           157: .TF unselect\ set
        !           158: .TP
        !           159: .B select set
        !           160: Sweep a rectangle around the set with button 1.
        !           161: Dissociate conflicting sets.
        !           162: .TP
        !           163: .B unselect set
        !           164: Dissociate set containing selected vertex.
        !           165: .TP
        !           166: .B shrink/expand set
        !           167: Selected set is shrunk/expanded about its center.
        !           168: .TP
        !           169: .B reshape set
        !           170: Selected set is redrawn in swept rectangle.
        !           171: .TP
        !           172: .B complete/disconnect subgraph
        !           173: Create/delete edges between every pair of vertices in a set.
        !           174: .RE
        !           175: .PP
        !           176: .I Graphpic
        !           177: is a filter which, when applied to a file in graphdraw format, outputs
        !           178: .I pic
        !           179: code for the graph.
        !           180: The options are:
        !           181: .TP
        !           182: .B -v
        !           183: Print vertex labels.
        !           184: .TP
        !           185: .B -e
        !           186: Print edge labels.
        !           187: .TP
        !           188: .B -i
        !           189: Optimize for imagen printer (default is d202).
        !           190: .PD
        !           191: .SS File format
        !           192: Graphs are stored as adjacency lists.
        !           193: .PP
        !           194: First line:
        !           195: .I n m t,
        !           196: where
        !           197: .I n
        !           198: is the number of vertices,
        !           199: .I m
        !           200: is the number of edges, and
        !           201: .I t
        !           202: is an optional graph type.
        !           203: The only legal type is the default type
        !           204: .B u
        !           205: (undirected).
        !           206: .PP
        !           207: For each vertex, an initial line:
        !           208: .I d w x y c,
        !           209: where
        !           210: .I d
        !           211: is the degree of the vertex,
        !           212: .I w
        !           213: is its label,
        !           214: .I x
        !           215: and
        !           216: .I y
        !           217: are its coordinates in the window, and
        !           218: .I c
        !           219: is an optional graphics code,
        !           220: .BR L =light
        !           221: (default),
        !           222: .BR H =heavy
        !           223: (circled dot),
        !           224: .BR F =full
        !           225: (large bullet),
        !           226: .BR E =empty
        !           227: (empty circle),
        !           228: .B I =invisible.
        !           229: Window coordinates will be scaled to fit when graph is read in.
        !           230: .PP
        !           231: After the initial line follow
        !           232: .I d
        !           233: lines for the vertex's edges:
        !           234: .I i w c,
        !           235: where
        !           236: .I i
        !           237: is the index (1 to
        !           238: .IR n)
        !           239: of the other endpoint,
        !           240: .I w
        !           241: is the edge label, and
        !           242: .I c
        !           243: is an optional graphics code, 
        !           244: .B L
        !           245: or
        !           246: .BR H .
        !           247: .PD
        !           248: .SS Algorithm animation
        !           249: The typed command
        !           250: .BI ! "program file"
        !           251: causes the standard output of
        !           252: .I program
        !           253: to be captured by the host and
        !           254: interpreted as commands to
        !           255: .I graphdraw.
        !           256: The resulting movie
        !           257: can be killed or temporarily halted from the the terminal
        !           258: by clicking button 2 and choosing the desired option from the resulting menu.
        !           259: .PP
        !           260: Animation codes (defined parenthetically with menu items above)
        !           261: appear one per line.
        !           262: Their arguments are:
        !           263: .I i,
        !           264: index of a vertex (normally the 
        !           265: .IR i th
        !           266: to be created);
        !           267: .I x, y,
        !           268: integer coordinates in the range 0 to
        !           269: .BR maxcoord ;
        !           270: .I w
        !           271: a label; or
        !           272: .I c,
        !           273: a graphic code.
        !           274: .PP
        !           275: Other animation codes are
        !           276: .PD0
        !           277: .TP \w'\f5pm\fI\ message\ \ \fR'u
        !           278: .BI pw " n"
        !           279: Change the value of
        !           280: .B maxcoord to
        !           281: .I n.
        !           282: Default is 10,000.
        !           283: .TP
        !           284: .BI vl " i w"
        !           285: Give vertex
        !           286: .I i
        !           287: the label
        !           288: .I w.
        !           289: .TP
        !           290: .BI pd " t"
        !           291: Delay program for
        !           292: .I t
        !           293: clicks of the 60Hz clock.
        !           294: .TP
        !           295: .B ps
        !           296: Halt program until user clicks button 2 to continue.
        !           297: .TP
        !           298: .BI pm " message"
        !           299: Print
        !           300: .I message
        !           301: on command line.
        !           302: .PD
        !           303: .SH SEE ALSO
        !           304: .IR dag (1),
        !           305: .IR pic (1)
        !           306: .SH BUGS
        !           307: It is impossible to move or reshape a
        !           308: .I graphdraw
        !           309: layer, except via 
        !           310: .LR "standard window" .

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