Add output min and max metadata to slope algorithm (#1089)

* Add output min and max metadata to slope algorithm * Update changelog
developmentseed · Jan 31, 2025 · e1feb41 · e1feb41
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diff --git a/CHANGES.md b/CHANGES.md
@@ -1,5 +1,11 @@
 # Release Notes
 
+## Unreleased
+
+### titiler.core
+
+* add `output_min` and `output_max` metadata attributes to `slope` algorithm (@tayden, https://github.com/developmentseed/titiler/pull/1089)
+
 ## 0.21.1 (2025-01-29)
 
 ### titiler.core

diff --git a/src/titiler/core/titiler/core/algorithm/dem.py b/src/titiler/core/titiler/core/algorithm/dem.py
@@ -76,6 +76,8 @@ class Slope(BaseAlgorithm):
     input_nbands: int = 1
     output_nbands: int = 1
     output_dtype: str = "float32"
+    output_min: float = 0
+    output_max: float = 90
 
     def __call__(self, img: ImageData) -> ImageData:
         """Calculate degrees slope from DEM dataset."""