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@@ -1,44 +1,102 @@
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+extern crate chrono;
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extern crate xml;
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+use chrono::DateTime;
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+use chrono::TimeZone;
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+use chrono::Utc;
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use std::fs::File;
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use std::io::BufReader;
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+use std::time::Duration;
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use xml::reader::{EventReader, XmlEvent};
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-
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-
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-
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+#[derive(Debug)]
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struct Point {
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lat: f64,
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- long: f64,
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- ele: f64
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+ long: f64,
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+ ele: f64,
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+ time: chrono::DateTime<Utc>,
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}
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struct Tour {
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- points: Vec<Point>
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+ points: Vec<Point>,
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}
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+fn dist(p1: Point, p2: Point) -> f64 {
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+ let r = 6371.0;
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+ let d_lat = (p1.lat - p2.lat).to_radians();
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+ let d_long = (p1.long - p2.long).to_radians();
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-fn dist(p1: Point, p2: Point) -> f64{
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- let R = 6371;
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- let dLat: f64 = p1.lat - p2.lat;
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- return 1.0
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+ let a = (d_lat / 2.0).sin() * (d_lat / 2.0).sin()
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+ + p1.lat.to_radians().cos()
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+ * p2.lat.to_radians().cos()
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+ * (d_long / 2.0).sin()
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+ * (d_long / 2.0).sin();
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+ let c = 2.0 * a.sqrt().atan2((1.0 - a).sqrt());
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+ return r * c;
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}
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fn main() {
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+ let mut tours: Vec<Tour>;
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+
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let file = File::open("data/Day1-1.gpx").unwrap();
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let file = BufReader::new(file);
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let parser = EventReader::new(file);
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let mut depth = 0;
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+ let mut current_point = Point {
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+ lat: 0.0,
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+ long: 0.0,
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+ ele: 0.0,
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+ time: Utc.timestamp(1, 1),
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+ };
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+ let mut current_data = "".to_string();
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+
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for e in parser {
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match e {
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- Ok(XmlEvent::StartElement { name, attributes, namespace }) => {
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- println!("{:?} {:?}", name, attributes);
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+ Ok(XmlEvent::StartElement {
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+ name,
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+ attributes,
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+ namespace,
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+ }) => {
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+ if name.local_name == "trkpt" {
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+ // println!("ADDING POINT --- --- --- ---", )
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+ } else {
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+ println!(">>>{:?}", name.local_name);
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+ }
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+
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+ for attr in attributes {
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+ // println!("A\t{:?}={:?}", attr.name.local_name, attr.value);
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+ if attr.name.local_name == "lat" {
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+ current_point.lat = attr.value.parse().unwrap();
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+ }
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+ if attr.name.local_name == "lon" {
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+ current_point.long = attr.value.parse().unwrap();
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+ }
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+ }
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depth += 1;
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}
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Ok(XmlEvent::Characters(text)) => {
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- println!("{:?}", text);
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+ // println!("{:?}", text);
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+ current_data = text;
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+ }
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+ Ok(XmlEvent::EndElement { name, .. }) => {
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+ if name.local_name == "trkpt" {
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+ println!("POINT DONE --- --- --- ---",);
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+ println!("{:?}", current_point);
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+ }
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+
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+ if name.local_name == "ele" {
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+ current_point.ele = current_data.parse().unwrap();
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+ }
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+
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+ if name.local_name == "time" {
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+ match Utc.datetime_from_str(current_data.as_str(), "%Y-%m-%dT%H:%M:%S.3f%z") {
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+ Ok(n) => println!("{:?}", n),
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+ Err(err) => println!("=== TIME ERROR === {:?}", err),
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+ // current_point.time = DateTime::parse_from_rfc3339("current_data").unwrap();
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+ }
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+ }
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}
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Err(e) => {
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println!("Error: {}", e);
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@@ -46,6 +104,5 @@ fn main() {
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}
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_ => {}
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}
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-
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}
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-}
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+}
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Johann Woelper