added obstacles

api/app/services/terrain.py

@@ -7,7 +7,7 @@ from sqlalchemy.orm import Session
 from app.config import get_settings
 from app.core import dem
 from app.core.diffraction import deygout
-from app.core.fresnel import los_analysis
+from app.core.fresnel import LosSample, los_analysis
 from app.core.geo import GeoPoint, PathPoint, linestring_geojson, sample_path
 from app.core.surface import build_surface_profile
 from app.models.terrain import (
@@ -102,19 +102,34 @@ def los(
         request.frequency_mhz * 1_000_000,
     )
 
-    def convert(sample: object) -> Obstruction:
+    def convert(sample: LosSample) -> Obstruction:
         return Obstruction(
             distance_m=sample.distance_m,
             clearance_m=sample.clearance_m,
+            fresnel_radius_m=sample.fresnel_radius_m,
+            required_clearance_m=sample.required_clearance_m,
             type=sample.obstruction_type,
         )
 
+    geometric_obstructions = [
+        sample for sample in result.obstructions if sample.clearance_m < 0
+    ]
+    building_obstructions = [
+        sample
+        for sample in geometric_obstructions
+        if sample.obstruction_type == "building"
+    ]
+
     return LosResponse(
         los_clear=result.los_clear,
         geometric_los=result.geometric_los,
         first_fresnel_clearance_pct=result.first_fresnel_clearance_pct,
         worst_obstruction=convert(result.worst_sample) if result.worst_sample else None,
         obstructions=[convert(sample) for sample in result.obstructions],
+        geometric_obstructions=[convert(sample) for sample in geometric_obstructions],
+        fresnel_violations_count=len(result.obstructions),
+        geometric_obstructions_count=len(geometric_obstructions),
+        building_obstructions_count=len(building_obstructions),
         diffraction_loss_db=diffraction_loss,
         profile_ref=f"inline:{profile_request.samples}",
     )