#3 Filter features using HRI

- need to be field type specific

spatial-data-science/src/platformshell/src/main.rs

@@ -55,22 +55,34 @@ mod tests {
 
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    // Create a Point with latitude and longitude
-    let location = Point::new(7.116004, 50.719847);
+    // Create a Point with latitude and longitude 
+    let location = Point::new(7.116108, 50.719725);
 
     // Query the feature service
     let urban_hri_url = env::var("URBAN_HEAT_RISK_INDEX_FEATURE_SERVICE_URL")?;
 
-    // Define the filtering logic
-    let filter_fn = |feature: &Feature<2>| {
+    // Define the filtering logic using polygon geometry
+    let polygon_filter_fn = |feature: &Feature<2>| {
         if let Some(geometry) = &feature.geometry {
             geometry.clone().as_polygon().is_some()
         } else {
             false
         }
     };
+
+    // Define the filtering logic using high HRI value
+    let hri_filter_fn = |feature: &Feature<2>| {
+        if let Some(attributes) = &feature.attributes {
+            if let Some(hri_value) = attributes.get("HRI") {
+                if let Some(hri_value) = hri_value.as_f64() {                    
+                    return hri_value > 7.0;
+                }
+            }
+        }
+        false
+    };
 
-    match utils::query_heat_risk_index(urban_hri_url, location, filter_fn) {
+    match utils::query_heat_risk_index(urban_hri_url, "1=1", location, hri_filter_fn) {
         Ok(hri_featureset) => {
             let json = serde_json::to_string_pretty(&hri_featureset)?;
             println!("{}", json);

spatial-data-science/src/platformshell/src/utils.rs

@@ -7,7 +7,7 @@ use std::io::Read;
 
 
 
-pub fn query_heat_risk_index<F>(urban_hri_url: String, location: Point, filter_fn: F) -> Result<FeatureSet<2>, Box<dyn std::error::Error>> where F: Fn(&Feature<2>) -> bool, {
+pub fn query_heat_risk_index<F>(urban_hri_url: String, where_clause: &str, location: Point, filter_fn: F) -> Result<FeatureSet<2>, Box<dyn std::error::Error>> where F: Fn(&Feature<2>) -> bool, {
     let location_str = format!("{}, {}", location.x(), location.y());
     let location_wkid_str = "4326";
 
@@ -16,7 +16,7 @@ pub fn query_heat_risk_index<F>(urban_hri_url: String, location: Point, filter_f
     let query_url = Url::parse_with_params(
         &(urban_hri_url + "/query"),
         &[
-            ("where", "1=1"),
+            ("where", where_clause),
             ("geometryType", "esriGeometryPoint"),
             ("geometry", &location_str),
             ("inSR", &location_wkid_str),