Merge pull request #359 from PyAutoLabs/feature/skip-degenerate-radial-caustic

fix: skip degenerate critical curves instead of tracing phantom noise

Author: Jammy2211

autogalaxy/config/visualize/general.yaml

@@ -5,7 +5,7 @@ general:
   log10_min_value: 1.0e-4
   log10_max_value: 1.0e99
   zoom_around_mask: true
-  critical_curves_method: zero_contour
+  critical_curves_method: marching_squares
 inversion:
   reconstruction_vmax_factor: 0.5
   total_mappings_pixels: 8

autogalaxy/operate/lens_calc.py

@@ -625,6 +625,10 @@ def tangential_critical_curve_list_from(
         """
         tangential_eigen_values = self.tangential_eigen_value_from(grid=grid)
 
+        vals = tangential_eigen_values.native
+        if vals.min() > -1e-6 or vals.max() < 1e-6:
+            return []
+
         return self.contour_list_from(grid=grid, contour_array=tangential_eigen_values)
 
     @evaluation_grid
@@ -651,6 +655,10 @@ def radial_critical_curve_list_from(
         """
         radial_eigen_values = self.radial_eigen_value_from(grid=grid)
 
+        vals = radial_eigen_values.native
+        if vals.min() > -1e-6 or vals.max() < 1e-6:
+            return []
+
         return self.contour_list_from(grid=grid, contour_array=radial_eigen_values)
 
     @evaluation_grid