+ points.rs generator

src/main.rs

@@ -1,17 +1,55 @@
 use osmpbf::*;
+use std::fs::File;
+use std::io::{BufWriter, Write};
 
 fn main() {
     let reader = ElementReader::from_path(
         "/mnt/c/Users/dongho/Desktop/ekstrahMap/assets/south-korea-latest.osm.pbf",
     );
+    let file = File::create("./src/points.rs").expect("Failed to create File 'points.rs'");
+    let mut writer = BufWriter::new(file);
+    // Insert Macro_rules for gettign dynamic size of array
+    //
+    let mac_rules_and_init_file: &str = r#"macro_rules! array_size {
+    ($array:expr) => {{
+        let mu size = 0;
+        for _ in $array {
+            size += 1;
+        }
+        size
+    }}
+}
+
+    struct point {
+        lat: f64,
+        lon: f64,
+    }
+
+    pub const POINTS: [point; array_size!(POINTS)] = [
+"#;
+
+    let endian_file: &str = r#"];"#;
+    let _ = writer.write_all(mac_rules_and_init_file.as_bytes());
     let mut nodes = 0_u64;
+    let mut max_lat: f64 = 0.0;
+    let mut min_lat: f64 = 40.0;
+    let mut min_lon: f64 = 130.0;
+    let mut max_lon: f64 = 120.0;
     let _ = reader.expect("REASON").for_each(|element| {
         if let Element::DenseNode(node) = element {
             let lat: f64 = node.lat();
             let lon: f64 = node.lon();
-            let id: i64 = node.id();
-            println!("Node: {id}, Latitude: {lat}, Longitude: {lon}");
+            let lat_lon_str: String = format!("points {{ lat: {}, lon: {} }}, \n", lat, lon);
+            let _ = writer.write_all(lat_lon_str.as_bytes());
+            max_lon = if lon > max_lon { lon } else { max_lon };
+            max_lat = if lat > max_lat { lat } else { max_lat };
+            min_lon = if lon < min_lon { lon } else { min_lon };
+            min_lat = if lat < min_lat { lat } else { min_lat };
+            nodes += 1;
+            // println!("Latitude: {lat}, Longitude: {lon}");
         }
     });
-    println!("Number of ways: {nodes}");
+    let _ = writer.write_all(endian_file.as_bytes());
+    println!("Number of Nodes: {nodes}");
+    println!("Max Lat: {max_lat}, Min Lat: {min_lat}, Max Lon: {max_lon}, Min Lon: {min_lon}");
 }