GDALCreateApproxTransformer: Clarify dfMaxError description in docstring

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OSGeo · Sep 14, 2024 · e3f5464 · e3f5464
1 parent eccaa68
commit e3f5464
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/alg/gdaltransformer.cpp b/alg/gdaltransformer.cpp
@@ -3828,7 +3828,8 @@ static CPLXMLNode *GDALSerializeApproxTransformer(void *pTransformArg)
  * @param pBaseTransformArg the callback argument for the high precision
  * transformer.
  * @param dfMaxError the maximum cartesian error in the "output" space that
- * is to be accepted in the linear approximation.
+ * is to be accepted in the linear approximation, evaluated as a Manhattan
+ * distance.
  *
  * @return callback pointer suitable for use with GDALApproxTransform().  It
  * should be deallocated with GDALDestroyApproxTransformer().