Graph Drawing - Planar Directed

... Construct Upward Planar Drawings ■ Since an upward planar digraph is a subgraph of a planar st-digraph, we only need to know how to draw planar st-digraphs ■ If G is a planar st-digraph without ... (upward planar polyline drawings) Graph Drawing 57 Planar Drawings of Graphs and Digraphs ■ We can use the techniques for dominance drawings also for undirected planar graphs: ■...

Ngày tải lên: 07/11/2013, 11:15

... box inclusion drawings) ■ drawings of series-parallel digraphs (delta drawings) ■ drawings of planar acyclic digraphs (visibility drawings, upward planar polyline drawings) Graph Drawing 91 Tree ... Graph Drawing 73 General Directed Graphs Graph Drawing 74 Layering Method for Drawing General Directed Graphs ■ Layer assignment: assign vertices to ... layout graph gramma...

Ngày tải lên: 24/10/2013, 09:15

... Trade-off (area vs. angular resolution): ■ [Kant 92] Computing the optimal angular resolution is NP-hard. 1 n ρ O dlog d 3 -- -- - -- - -- - -    = A Ω c ρn ()= Graph Drawing 37 Planar Straight-Line ... Graph Drawing 32 Planar Undirected Graphs Graph Drawing 33 Planar Drawings and Embeddings ■ a planar embedding is a class of topologically equivalent planar dr...

Ngày tải lên: 28/10/2013, 16:15

... graphs admit planar drawings. A graph which admits a planar drawing is called a planar graph. b d Fig. 1.3 (a) A planar drawing, and (b) a non -planar drawing of the same graph. If ... algorithms for drawing planar graphs can be successfully used for drawing a nonplanar graph by transforming the nonplanar graph into a similar planar graph. Furthe...

Ngày tải lên: 31/03/2014, 16:18

... Graph Drawing 58 General Undirected Graphs Graph Drawing 59 Algorithmic Strategies for Drawing General Undirected Graphs ■ Planarization method ■ if the graph is nonplanar, make it planar! ... of the drawing algorithms for planar graphs e.g., GIOTTO [Tamassia Batini Di Battista 87] ■ Orientation method ■ orient the graph into a digraph ■ use one the drawing algorithms for...

Ngày tải lên: 28/10/2013, 16:15

... Graph Drawing 0 Graph Drawing Tutorial Isabel F. Cruz Worcester Polytechnic Institute Roberto Tamassia Brown University Graph Drawing 1 Introduction Graph Drawing 2 Graph Drawing ■ ... Graph Drawing 3 orthogonal drawing bend Drawing Conventions ■ general constraints on the geometric representation of vertices and edges polyline drawing planar straight-line dra...

Ngày tải lên: 07/11/2013, 11:15

... String Administrator 1 -name : String -staffID : Integer Staff -specialty : String Consultant -title : String Report 1 -name : String Client 1* -title : String Project 1 * * * -name : String Hardware -name : ... diagrams were created by hand: low-effect (-) , middle-effect (0) and high-effect (+). To confirm that these diagrams had an appropriate amount of low-, middle- and high-effect of t...

Ngày tải lên: 07/03/2014, 17:20

Ngày tải lên: 03/01/2014, 19:37

... 1 (N- )-( )-a (N- )-( ( - )-a) N-b 1 N-b 1 1 (N- )-( d) (N- )-( ( -d )- ) ( -b )-( )-a ( -b )-( ( - )-a) ( -b )-( d) ( -b )-( ( -d )- ) (c- )-( )-a ((c- )-a) (c- )-( d) c-d 1 (d)-a 1 (c- )-a (N-b )-( )-a (N-b )-( ( ... 1 a- N- c- -b a-b 1 N-b 1 c-b 1 sub-path a. seq. val. NP 1 ( - )-a (c- )- ( -d )- (c-d )- (c- )-a ( -d)-a (c-d)-c 1 non-termi...

Ngày tải lên: 08/03/2014, 04:22

... R=15.iixxiiyyIIppiiDDeellttaa11DDeellttaa220000115 5-- 11441 1-- 11553 3-- 22551111115 5-- 111 1-- 1144++22**((00))++335 5-- 22332222115 5-- 6 6-- 1111++22**((11))++337 7-- 2211333311551 1-- 66++22**((22))++339 9-- 11994444114 4-- 118811++22**((3 3-- 1155))++55111 1-- 11555555114 4-- 7 7-- 1188++22**((44))++33113 3-- 1133666611446 6-- 77++22**((55))++33115...

Ngày tải lên: 22/08/2012, 09:25