gephi

Neo4j Configuration with Gephi

筅森魡賤 提交于 2020-01-03 03:29:42
问题 I want to use Neo4j to store a number of graphs I created in python. I was using Gephi for visualization, and I thought the export to Neo4j plugin would be a very simple way to get the data across. The problem is that the server is seemingly not recognizing the neostore...db files that Gephi generated. I'm guessing I configured things incorrectly, but is there a way to fix that? Alternatively, I'm also open to importing the files directly. I have two files: one with node titles and attributes

Gephi 网络图可视化工具

心已入冬 提交于 2020-01-01 07:31:13
官网: https://gephi.org/ 背景: Gephi 是一款开源,免费, 跨平台的的graph 和 network 可视化工具,同时也提供了数据挖掘的相关功能。 安装: # windows 平台,最新版本 0.9.2 # 依赖java 1.8 以上版本 测试: # 启动界面 # 新建工程    # 打开graph 文件 # Gephi 支持的graph 文件的格式    # 导入graph 的同时,会显示graph的基本信息, 节点数 (nodes) 和边数 (edges) # 导入成功后,会看到1个最基础的网络图 # 调整网络图的显示 1) 鼠标滚轮进行缩放 (zoom) 2) 鼠标右键进行移动 ,按住鼠标右键不放,然后可以上下左右拖动 # network 工具区的工具条可以方便的调整一些属性 # 调整布局, 左侧的布局窗口有多种布局方式 # 左上角的外观窗口,调整network 的外观 # 右侧的调整不同属性, Ranking 用于将属性映射到不同的变量, 统计的 则统一调整 # 计算network 的基本属性 1) 平均度 ,节点度数频数分布的散点图 2) 平均加权度 3) 模块化, 自动将network 中的节点区分不同模块 然后在节点的属性中, 可以将颜色映射到不同的module # 导出图片 预览窗口,确定各项设置,然后直接导出 # 参考资料 https:/

Gephi可视化(二)

强颜欢笑 提交于 2020-01-01 07:30:56
  继在园子里写的《Gephi可视化(一)——使用Gephi Toolkit创建Gephi应用》介绍了如何使用Gephi Toolkit工具集进行可视化编程后,本篇对Gephi Toolkit进行一个详尽的介绍,了解其工作原理以及与Gephi应用程序之间的差异,Gephi Toolkit对于平台的要求使用方法,最后通过比较可视化工具集Prefuse,列举两种可视化工具之间的相似之处。   Gephi Toolkit是一个标准的java类库,任何java工程都可以引入使用(包括eclipse、netbeans等),该类库中包含了Gephi中必要的模块,如Graph、Layout、Filters、IO等。   该工具包只有一个jar文件,可以在java应用中使用,其保留了Gephi的绝大部分特性。    官网主页: http://gephi.github.io/toolkit/    GitHub主页: https://github.com/gephi/gephi-toolkit-demos   工作原理:   Gephi是基于模块化的思想设计的,其真正的体现了高内聚低耦合的思想。每个模块负责不同的职责,比如有专门负责图形结构的Graph,有专门用于布局的Layout。这里的Gephi Toolkit就是剥离了Gephi源码中的user interfaces modules

Gephi可视化(一)——使用Gephi Toolkit创建Gephi应用

扶醉桌前 提交于 2020-01-01 07:30:38
  在Prefuse上摸打滚爬了一段时间,发现其和蔼可亲,容易上手。但是每每在打开gephi,导入数据再运行时,总还是在心里暗自赞叹gephi的绚烂之极,无与匹敌,当然,gephi也有自己的缺陷,但是gephi是一个在发展的、进步的、不断壮大的开源软件。纵使她曾经那般伤我,我仍是对其恋恋不舍,好吧,我已经病入膏肓。。。。。   言归正传,Gephi是一款开源免费跨平台基于JVM的复杂网络分析软件, 其主要用于各种网络和复杂系统,动态和分层图的交互可视化与探测开源工具。可用作:探索性数据分析,链接分析,社交网络分析,生物网络分析等。因为Gephi是开源软件,所以可以获取其源码,允许开发者去扩展和重复使用。 Gephi开发平台 :Netbeans平台(因为之前对于这句话理解不深,在eclipse环境下浪费了不少时间) 开发语言 :Java 可视化引擎 :OpenGL Gephi官网:      http://gephi.github.io/ Gephi的视频介绍: http://v.youku.com/v_show/id_XMjU5MDUwMjg4.html Gephi API帮助文档: https://gephi.org/docs/api/ Gephi Toolkit:    http://gephi.github.io/toolkit/ Gephi 论坛:     https:/

Neo4J 2.0.1 doesn't work with Gephi 0.8.2 and “Neo4J Graph Database Support” plugin

社会主义新天地 提交于 2019-12-25 06:57:15
问题 Have the following versions of software: Neo4J community: 2.0.1 Gephi: 0.8.2-beta Neo4J Graph Database Support plugin: for Gephi 0.8.2 I'm using the default.graphdb that came with Neo4j 2.0.1 (started playing with Neo4j yesterday) While doing full import from Gephi using Neo4J plugin I get this error: Caused by: org.neo4j.kernel.impl.storemigration.UpgradeNotAllowedByConfigurationException: Failed to start Neo4j with an older data store version. To enable automatic upgrade, please set

Add attributes in Networkx write_graphml before opening in Gephi

夙愿已清 提交于 2019-12-23 13:02:05
问题 I have a dataframe consisting of possible network connections in the format df = pd.DataFrame(["A", "B", "Count", "some_attribute"]) . This dataframe represents connections like this: A has a connection with B This connection occurred "Count" times This connection has a specific attribute (i.e. a specific type of contact) I want to export this Dataframe to the graphml format. It works fine using the following code: import networkx as nx G = nx.Graph() G.add_weighted_edges_from(df[["A", "B",

bipartite layout Gephi 0.9.1

风流意气都作罢 提交于 2019-12-22 07:04:21
问题 my question is awkwardly simple: how do i plot a bipartite graph in Gephi with a layout like the one you see in the attached image? I really am not able to find an appropriate layout in Gephi's options thanks 回答1: Gephi version 0.9.1 has an Event Graph Layout plugin that will do this: Tools -> Plugins -> Available Plugins . Under Data Laboratory, you'll need to add an integer-level variable to your Nodes data table ("Mode" for example), set all of your B nodes to 1, and all of your R nodes to

Exporting twitter data to Gephi using R

梦想与她 提交于 2019-12-21 02:49:08
问题 I have compiled a dataset consisting of thousands of tweets using R. The dataset basically looks like this: Data <- data.frame( X = c(1,2), text = c("Hello @User1 #hashtag1, hello @User2 and @User3, #hashtag2", "Hello @User2 #hashtag3, hello @User1 and @User3, #hashtag4"), screenname = c("author1", "author2") ) Now I want to export this dataset to a Gephi supported graph format (see Supported Graph Formats - Gephi) Whenever an "author" mentions a @user in the text, there should be a direct

Gephi - generate graph using matrix data

浪尽此生 提交于 2019-12-20 07:07:34
问题 Can you help me visualise an undirected graph? I have about 500 strings that look like this: ;javascript;java;tapestry;d;design;jquery;css;html;com;air;testing;events;crm;soa;documentation;.a;email;iso;dynamic;mobile;this;project;resolution;s;automation;web;like;e-commerce;profile;commerce;out;jobs;inventory;operators;environment;system;include;integration;relationship;field;implementation;key;.profile;planning;knockout.js;sun;packaging;collaboration;report;public;virtual;communication;send

Graph visualization frameworks

蓝咒 提交于 2019-12-19 12:21:53
问题 I want to visualize a Neo4j database in a graphical application. (I'm doing this primarily as a learning exercise). I want it to behave almost identically to the visualization in Neo4j's WebAdmin: When the graphic appears, I want to see the nodes moving around as they settle into their final locations, and I want the user to be able to click and drag node icons around the screen and have them stick where they are dropped, with the rest of the graph adjusting to account for the change. I have