osm_graph 0.1.2

This library provides a set of tools for generating isochrones from geographic coordinates. It leverages OpenStreetMap data to construct road networks and calculate areas accessible within specified time limits. The library is designed for both Rust and Python, offering high performance and easy integration into data science workflows.
Documentation 
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use petgraph::graph::DiGraph;
use petgraph::dot::{Dot, Config};
use std::fs::File;
use std::io::Write;

// Save the road network graph to the dot file format
#[allow(dead_code)]
fn save_roadnetwork_to_dot<N, E>(graph: &DiGraph<N, E>, filename: &str)
where
    N: std::fmt::Debug,
    E: std::fmt::Debug,
{
    let dot = Dot::with_config(graph, &[Config::EdgeNoLabel]);
    let mut file = File::create(filename).unwrap();
    write!(file, "{:?}", dot).unwrap();
}