edges

Best Algorithm to find the edges (polygon) of vertices

I have a large array of vertices, some of them are edges, some are redundant (inside the shape) and I want to remove those. The simplest algorithm I could think of is checking one by one if they hit the shape formed by the others. But it should be a very slow algorithm. I thought about picking one from the edge (the one farthest from o...

Very general question about the implementation of vectors, vertices, edges, rays, lines & line segments.

This is just a LARGE generalized question regarding rays (and/or line segments or edges etc) and their place in a software rendered 3d engine that is/not performing raytracing operations. I'm learning the basics and I'm the first to admit that I don't know much about this stuff so please be kind. :) OK, I wondered why a parametrized lin...

Get graphviz to draw nodes above edges.

Is there any way to force graphviz to always draw the nodes above edges even if the edge is drawn over (or preferably under) the node? So far I have tried ordering them and different layer options but not found a way that works. ...

construct graph from python set type.

The short question, is there an off the self function to make a graph from a collection of python sets? The longer question: I have several python sets. They each overlap or some are sub sets of others. I would like to make a graph (as in nodes and edges) nodes are the elements in the sets. The edges are intersection of the sets with wei...

Framework to draw Edges and Nodes using GWT

I am searching for framework to draw Edges and Nodes. I want to create a visual graph and It should be draggable. I tried http://code.google.com/p/gwt-diagrams but this project is down. What is your suggestion? ...

How To Blur Image edges in Iphone

Hi, I have three UIImages added to three UIScrollviews that are positioned one under the other. I am trying to find a way to blur the adjacent edges that are between two scrollviews but am unable to find a way to do that. Can someone please suggest a way to achieve this? Any help will be appreciated Thank You Shumais Ul Haq ...

edge sequence by vertex name

Hy Everybody! Well, I'm working with the Igraph package, and i'd like to pick the edges by the name that I've assigned to their vertex, in a tiny example.. library(igraph) g <- barabasi.game(8) labels<-c("G1","G2","G3","T1","T2","T3","H1","H2") V(g)$name<-labels Now My edge list hast this form > E(g) Edge sequence: [0] G2 -> G1 ...

edge sequence by vertex name

Hy Everybody! Well, I'm working with the Igraph package, and i'd like to pick the edges by the name that I've assigned to their vertex, in a tiny example.. library(igraph) g <- barabasi.game(8) labels<-c("G1","G2","G3","T1","T2","T3","H1","H2") V(g)$name<-labels Now My edge list hast this form > E(g) Edge sequence: [0] G2 ->...

Creating a graph with edges of different colours in Mathematica

I want to create a graph (Graph Theory) where certain edges have a different colour to other edges, which would be used to highlight a path in the graph from one vertex to another. Here are some examples which have different coloured edges http://demonstrations.wolfram.com/AGraphTheoryInterpretationOfTheSumOfTheFirstNIntegers/ and http...

weird gui component edges!

Hello, I developed my application and tested it on android emulator 1.6, 2.1 & 2.2 and on HTC Magic its running PERFECTLY and the gui components look very neat... However, when I tested it on Sony Ericsson Xperia X10 the gui components are looking fuzzy :S...please have a look ...Have anyone faced such a problem? Any suggestions to ...