Merge pull request #85 from brittonsmith/intersect

[bugfix] off by one error in subgrid index calculation
trident-project · Jul 29, 2019 · 0a5d625 · 0a5d625
2 parents cccec2b + 8dc0dcd
commit 0a5d625
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diff --git a/.travis.yml b/.travis.yml
@@ -22,7 +22,7 @@ env:
     TRIDENT_CONFIG=$TRIDENT_ION_DATA/config.tri
     YT_GOLD=953248239966
     YT_HEAD=master
-    TRIDENT_GOLD=test-standard-v3
+    TRIDENT_GOLD=test-standard-v4
 
 before_install:
   - |

diff --git a/trident/absorption_spectrum/absorption_spectrum.py b/trident/absorption_spectrum/absorption_spectrum.py
@@ -657,7 +657,7 @@ def _add_lines_to_spectrum(self, field_data, use_peculiar_velocity,
                 # window in the original spectrum's tau array
                 else:
                     intersect_left_index = max(left_index, 0)
-                    intersect_right_index = min(right_index, self.n_lambda-1)
+                    intersect_right_index = min(right_index, self.n_lambda)
                     EW_tau_deposit = EW_tau[(intersect_left_index - left_index): \
                                             (intersect_right_index - left_index)]
                     self.tau_field[intersect_left_index:intersect_right_index] \