From 09d32386b6d6581fecca5f42e5764ae767faf3fc Mon Sep 17 00:00:00 2001
From: DeRooBert <34279469+DeRooBert@users.noreply.github.com>
Date: Thu, 26 Mar 2026 11:12:14 +0100
Subject: [PATCH 1/2] Update extra-indices-dict.json

Adding the following indices
ABDI1 and ABDI2
---
 .../resources/extra-indices-dict.json         | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/openeo/extra/spectral_indices/resources/extra-indices-dict.json b/openeo/extra/spectral_indices/resources/extra-indices-dict.json
index f8b0e55f7..5a17c8b22 100644
--- a/openeo/extra/spectral_indices/resources/extra-indices-dict.json
+++ b/openeo/extra/spectral_indices/resources/extra-indices-dict.json
@@ -93,6 +93,34 @@
             "reference": "https://digifed.org/",
             "short_name": "LSWI_B12",
             "type": "water"
+        },
+         "ABDI1": {
+            "bands":
+            [
+                "N",
+                "S1"
+             ],
+            "contributor": "vito",
+            "date_of_addition": "2025-03-26",
+            "formula": "exec('import numpy as np') or N * np.arctan((N-S1)/(1.610 - 0.842)",
+            "long_name": "Angle based drought index 1",
+            "reference": "https://www.tandfonline.com/doi/full/10.1080/19475705.2016.1201149",
+            "short_name": "ABDI1",
+            "type": "water"
+        },
+         "ABDI2": {
+            "bands":
+            [
+                "N",
+                "S2"
+             ],
+            "contributor": "vito",
+            "date_of_addition": "2025-03-26",
+            "formula": "exec('import numpy as np') or N * np.arctan((N-S2)/(2.190 - 0.842)",
+            "long_name": "Angle based drought index 2",
+            "reference": "https://www.tandfonline.com/doi/full/10.1080/19475705.2016.1201149",
+            "short_name": "ABDI2",
+            "type": "water"
         }
     }
 }

From 39463c0a4a4b52b9cbe705d86bf2760e40393834 Mon Sep 17 00:00:00 2001
From: DeRooBert <34279469+DeRooBert@users.noreply.github.com>
Date: Thu, 26 Mar 2026 13:40:26 +0100
Subject: [PATCH 2/2] Update extra-indices-dict.json

---
 .../extra/spectral_indices/resources/extra-indices-dict.json  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/openeo/extra/spectral_indices/resources/extra-indices-dict.json b/openeo/extra/spectral_indices/resources/extra-indices-dict.json
index 5a17c8b22..22fcb873a 100644
--- a/openeo/extra/spectral_indices/resources/extra-indices-dict.json
+++ b/openeo/extra/spectral_indices/resources/extra-indices-dict.json
@@ -102,7 +102,7 @@
              ],
             "contributor": "vito",
             "date_of_addition": "2025-03-26",
-            "formula": "exec('import numpy as np') or N * np.arctan((N-S1)/(1.610 - 0.842)",
+            "formula": "exec('import numpy as np') or N * np.arctan((N-S1)/(1.610 - 0.842))",
             "long_name": "Angle based drought index 1",
             "reference": "https://www.tandfonline.com/doi/full/10.1080/19475705.2016.1201149",
             "short_name": "ABDI1",
@@ -116,7 +116,7 @@
              ],
             "contributor": "vito",
             "date_of_addition": "2025-03-26",
-            "formula": "exec('import numpy as np') or N * np.arctan((N-S2)/(2.190 - 0.842)",
+            "formula": "exec('import numpy as np') or N * np.arctan((N-S2)/(2.190 - 0.842))",
             "long_name": "Angle based drought index 2",
             "reference": "https://www.tandfonline.com/doi/full/10.1080/19475705.2016.1201149",
             "short_name": "ABDI2",