One extra note for plot3d

GenericMappingTools · Jan 5, 2025 · 9c148cf · 9c148cf
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commit 9c148cf
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diff --git a/pygmt/src/plot3d.py b/pygmt/src/plot3d.py
@@ -128,6 +128,8 @@ def plot3d(
         - **Polar** coordinate system: *x* and *y* are theta and radius.
         - **Geographic** coordinate system: *x* and *y* are parallels and meridians.
 
+        **NOTE**: The ``straight_line`` parameter requires constant *z*-coordinates.
+
         .. attention::
 
             There exits a bug in GMT<=6.5.0 that, in geographic coordinate systems, the