How to completely stop d3.zoom?

@shyann 

In order to completely stop the zoom behavior in a d3 graph, you can do the following:

1. Remove the zoom behavior from the graph element:

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svg.call(d3.zoom().on("zoom", null));

This code removes the zoom behavior from the "svg" element, where "svg" is the variable holding your d3 graph element.

1. Disable the zoom event listeners for the graph element:

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svg.on(".zoom", null);

This code removes all zoom event listeners from the "svg" element, preventing any zoom interactions from occurring.

By following these steps, you can completely stop the zoom behavior in a d3 graph.