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CHANGELOG.md

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Changlog

v0.3.4

New

API/Algorithms

Binary graph operators:

  • union / genUnion
  • disjointUnion / genDisjointUnion
  • intersection / genIntersection
  • difference / genDifference
  • symmetricDifference / genSymmetricDifference
  • compose / genCompose

Fixed

  • Issue with zoom on double click since d3 v3.5.5 (#51)

v0.3.3

Changes

It is now possible to require individual modules and still get the benefits of async code execution through workers.

Example:

var completeGraph = require('jsnetworkx/node/generators/classic').completeGraph;
var cluster = require('jsnetworkx/node/algorithms/cluster');
var WorkerSettings = require('jsnetworkx/node/WorkerSettings');
var initializeBrowserWorker = require('jsnetworkx/node/initializeBrowserWorker');

global.genClustering = cluster.genClustering;
global.completeGraph = completeGraph;
WorkerSettings.methodLookupFunction = function(name) {
  return cluster[name];
};
initializeBrowserWorker();

This is a custom module which only exposes completeGraph and genClustering.

WorkerSettings.methodLookupFunction

This function is used by the worker (and delegateToSync!) to resolve the method name the worker receives, to the actual function. E.g. the prebuilt version of JSNetworkX uses name => jsnx[name].

initializeBrowserWorker

This function tests whether we are in a worker environment and if yes, sets up the event handlers and takes care of (de)serializing the data. This function should be called in the worker script.

Given the example above, the custom bundle could be created with

JSNETWORKX_BUNDLE='bundle.js' browserify test.js > bundle.js

v0.3.2

New

API/Algorithms

  • eigenvectorCentrality (genEigenvectorCentrality)

v0.3.1

New

API/Algorithms

Weighted and generic shortest path algorithms. The "generic" functions provide a single interface for weighted and unweighted algorithms.

  • allPairsDijkstraPath
  • allPairsDijkstraPathLength
  • dijkstraPath
  • dijkstraPathLength
  • singleSourceDijkstra
  • singleSourceDijkstraPath
  • singleSourceDijkstraPathLength
  • shortestPath
  • shortestPathLength
  • hasPath

including async (gen*) versions.

v0.3.0

New

API

  • Many algorithms are now available as asynchronous methods. E.g. clustering is available as genClustering. Those methods return a Promise and will delegate to a web worker in browsers. In Node.js, a new process will be spawned.
    Note that in both cases the data has to be serialized, which happens synchronously and may also take some time, depending on the size of the graph.

Drawing

  • New drawing option stickyDrag. If set to true, the dragged node will keep its new position after dragging and is not subject to the force layout. D3 example.

Changes

API

  • Moved from underscore_method_names to camelCaseMethodNames.
  • makeSmallUndirectedGraph and makeSmallGraph now accept an object of the form {type, name, n, list} as first argument instead of an array [type, name, n, list].
  • Objects are not considered as "NodeContainers" anymore. Previously, any function that accepted a list of nodes also accepted an object of the form {n1: ..., n2: ..., ...} and n1, n2, ... would have been treated as nodes. Instead, any object that implements the ES6 iterator protocol can be used. This includes (by default) arrays and generator functions.
  • Graph classes cannot be instantiated without new anymore. I.e. you have to use var G = new jsnx.Graph(); instead of var G = jsnx.Graph();. That's because ES6 classes cannot be called without new.
  • The utility methods cumulative_sum, generate_unique_node and is_list_of_ints have been removed, since there was no need for them.

Algorithms

  • balancedTree doesn't set the height to 2 anymore if the branching factor is 1. So balancedTree(1, 4) is equivalent to pathGraph(4).

Drawing

  • Like with method names, drawing options are camelCase now instead of under_score.

Fixed

Drawing

  • Fixed dragging (canvas doesn't pan while node is dragged).