sigma.parseJSON.js

sigma.publicPrototype.parseJSON = function(jsonPath,callback) {
  var sigmaInstance = this;
	jQuery.getJSON(jsonPath, function(data) {
		for (i=0; i<data.nodes.length; i++){
		    var nodeNode = data.nodes[i];
		    var id = nodeNode.id;
		    var label = nodeNode.label;
		    var color = '#'+sigma.tools.rgbToHex(parseFloat(nodeNode.color.r), parseFloat(nodeNode.color.g), parseFloat(nodeNode.color.b))
		    var x = parseFloat(nodeNode.position.x);
		    var y = parseFloat(nodeNode.position.y);
		    var size = parseFloat(nodeNode.size);
		    var clean_node = {id:id, label:label, color:color, x:x, y:y, attributes:[], size:size};
		    for (j=0; j < nodeNode.attributes.length; j++){
                var raw_attribute = nodeNode.attributes[j];
                var attr = raw_attribute.for;
                var val = raw_attribute.value;
                clean_node.attributes.push({attr:attr, val:val});
		    }
			sigmaInstance.addNode(id, clean_node);
		};
		for(i=0; i<data.edges.length; i++){
		    var edgeNode = data.edges[i];
                var edge = {
                  id:         i,
                  sourceID:   edgeNode.source,
                  targetID:   edgeNode.target,
                  label:      edgeNode.label,
                  weight:     parseFloat(edgeNode.weight),
                  displaySize:     parseFloat(edgeNode.weight),
                  attributes: []
                };
                for (j=0; j < edgeNode.attributes.length; j++){
                    var raw_attribute = edgeNode.attributes[j];
                    var attr = raw_attribute.for;
                    var val = raw_attribute.value;
                    edge.attributes.push({attr:attr, val:val});
    		    }
                sigmaInstance.addEdge(i, edgeNode.source, edgeNode.target, edge);
		};
		if (callback) callback.call(this);
	});
};

To what extent does the JSON format you supporting here resemble the JSON format used to pass network data into d3js (which is also the same format that can be exported from py/networkx http://networkx.github.com/documentation/latest/reference/readwrite.json_graph.html )

Is there a working example located somewhere that we can explore? Thanks! :)

Jeez! Didn't see these messages. Expect a response in a few days from me.

https://gist.github.com/DGaffney/c98d2430b5052630e9a6/raw/5c02bb3198132b1e0ee528141208b4cdc58a6b29/data.json
That is a json file for you!

Hi,
I'm trying to display a graph with sigma.js from data in JSON format. I started from the "parse GEXF" example, converted the "les_miserables.gexf" file with the provided python script, changed the html code to load the sigma.parseJson.js. The graph doesn't show up, I have the following error message in the browser console: "TypeError: 'undefined' is not an object (evaluating 'data.nodes.length') in sigma.parseJson.js". Any idea? Would you have a working example that I could start from instead?
Thanks in advance.