initial commit

src/bin/polygon_print.rs

@@ -0,0 +1,24 @@
+use fapra_osm_2::coordinates::RadianCoordinate;
+use fapra_osm_2::polygon::Polygon;
+use geojson::FeatureCollection;
+
+
+/// a simple program to show the geojson export of polygons
+fn main() {
+    let nodes = vec![
+        RadianCoordinate::from_degrees(10.0, 15.0),
+        RadianCoordinate::from_degrees(20.0, 10.0),
+        RadianCoordinate::from_degrees(20.0, 25.0),
+        RadianCoordinate::from_degrees(10.0, 15.0),
+    ];
+
+    let outside1 = RadianCoordinate::from_degrees(30.0, 15.0);
+    let outside2 = RadianCoordinate::from_degrees(-10.0, 15.0);
+
+    let polygon =
+        Polygon::build_polygon(nodes, outside1, outside2).expect("error while building polygon");
+
+    let fc: FeatureCollection = polygon.into();
+
+    println!("{}", fc.to_string());
+}