Graph Drawing - Trees

... 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 ■ ... is the maximum vertex degree. ρ ≤ 2π d -- -- - - Graph Drawing 8 Aesthetic Criteria ■ some drawings are better than others in conveying information on the graph ■ aesthetic criter...

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 ... layout graph grammars for which optimal graph drawings can be constructed in polynomial time: ■ H-tree layouts of complete binary trees ■ hv-drawings of binary trees ■ series-parallel...

Ngày tải lên: 24/10/2013, 09:15

... Graph Drawing 58 General Undirected Graphs Graph Drawing 59 Algorithmic Strategies for Drawing General Undirected Graphs ■ Planarization method ■ if the graph is nonplanar, ... 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 digraphs ... simul...

Ngày tải lên: 28/10/2013, 16:15

... 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 ... constant) for all planar graphs? ■ can we efficiently compute an approximation of the optimal angular resolution? ρΩ 1 7 d -- -- - -   = Graph Drawing 38 Planar Orth...

Ngày tải lên: 28/10/2013, 16:15

... polyline drawings) Graph Drawing 57 Planar Drawings of Graphs and Digraphs ■ We can use the techniques for dominance drawings also for undirected planar graphs: ■ orient G into a planar st-digraph ... single-source digraphs ■ [Bertolazzi Di Battista Mannino Tamassia 93] ■ O(n)-time for single-source digraphs ■ [Garg Tamassia 93] ■ NP-complete Graph Drawing 54 How to Construct Upward P...

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

... a planar drawing and a non-planar drawing of the same graph. It is preferable to find a planar drawing of a graph if the graph has such a drawing. Unfortunately not all graphs admit ... orthogonal drawing, (b) a box-orthogonal drawing, (c) a rectangular TEAM LinG - Live, Informative, Non-cost and Genuine ! 8 Planar Graph Drawing 1.3.7 Rectangular Drawi...

Ngày tải lên: 31/03/2014, 16:18

... 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

... tích cực (vàkhoá chéo tác động) thìbiểu thức đợc thực hiện.A:=BA:=func(B)A:=B<operator>C -- - ý nghĩaBiểu thứcSự kiệnCác dữ liệu sau đợc phép gán trực tiếp:8 bits: BYTE, CHAR16 bits: WORD, ... bằng nét gạch ngang trên sơ đồĐiều kiện luôn đúngA11T2T1= 1 Thiết bị lập trình5Trong ngôn ngữ S7 -Graph, thì điều kiện đợc lập trình bằng ngôn ngữ LAD (FBD).Các điều kiện có thể xảy ra tại các .....

Ngày tải lên: 24/08/2012, 15:42