fix wrong "lod" in CityJSON PDOK files

Cargo.toml

[package]
name = "fixcjpdok"
version = "0.1.0"
authors = ["Hugo Ledoux <[email protected]>"]
edition = "2018"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]

serde = "*"
serde_json = "*"

main.rs

use std::fs::File;
use std::io::{BufReader, BufWriter};

use serde_json::{json, Result, Value};

fn convert() -> Result<()> {
    let br = BufReader::new(BufReader::new(
        File::open("/Users/hugo/data/cityjson/09cn2.volledig/09cn2.json").unwrap(),
    ));
    let mut j: Value = serde_json::from_reader(br)?;

    for (_key, co) in j["CityObjects"].as_object_mut().unwrap() {
        for g in co["geometry"].as_array_mut().unwrap() {
            g["lod"] = serde_json::to_value(json!(1)).unwrap().clone();
        }
    }
    let f = BufWriter::new(File::create("/Users/hugo/temp/x.json").unwrap());
    let _re = serde_json::to_writer(f, &j)?;
    Ok(())
}

fn main() {
    let _re = convert();
}