Server requests with sigmajs

[danielritter]

Is there a way to do server requests?

I try to realize a coarse grained graph project which has several coarse graining levels (e.g. seven levels in my case). Every level contains a full graph representation in json. Level 0 contains all details and information. Level 6 contains all parent nodes of level 0, 1, 2, 3, 4 and 5, also it contains just a few nodes and edges. I preprocess my data and after that I have seven different json files. One json file represents one coarse graining level.

What I want
When I zooming out a specific range I want to change the level and do a server request to get the new data (one of these seven json files) and reload this data in the graph. How can I do that? How can I change the sigmajs instance and reload/refresh the new instance on the screen?
Here I see I can refresh an existing instance sigma.parsers.json, but I want to refresh a new instance (one of these json files). For that I need server requests.

I need server requests also for implementing a search functionality which loads and gets the searched data from the server. How can I do that?

[stale]

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