fine tuning search for SRTM point

core/models/survex.py

@@ -7,7 +7,7 @@ from pathlib import Path
 from django.conf import settings
 from django.db import models
 from django.urls import reverse
-from troggle.core.utils import height_from_utm
+from troggle.core.utils import height_from_utm, throw
 
 # from troggle.core.models.troggle import DataIssue # circular import. Hmm
 
@@ -100,8 +100,16 @@ class SurvexStation(models.Model):
             weight = "bold"
         else:
             weight = "normal"
+            
         diff_str = f"<span style='color:{colour}; font-weight:{weight}'>{sign}{diff:.0f}</span>"
-       
+        
+        if ref >= throw:
+            colour = "grey"
+            weight = "normal"
+            diff = "XX"
+            ref = float("nan")
+            diff_str = f"<span style='color:{colour}'>XX</span>"
+            
         return diff_str, ref