matplotlib · AndrGutierrez · Aug 3, 2025 · Aug 3, 2025 · Aug 3, 2025 · Aug 4, 2025
diff --git a/lib/matplotlib/text.py b/lib/matplotlib/text.py
@@ -5,6 +5,7 @@
 import functools
 import logging
 import math
+import numbers
 from numbers import Real
 import weakref
 
@@ -1862,6 +1863,7 @@ def transform(renderer) -> Transform
                                  xy,
                                  xycoords=xycoords,
                                  annotation_clip=annotation_clip)
+        self.xytext = xytext
         # warn about wonky input data
         if (xytext is None and
                 textcoords is not None and
@@ -2027,7 +2029,12 @@ def draw(self, renderer):
         # docstring inherited
         if renderer is not None:
             self._renderer = renderer
-        if not self.get_visible() or not self._check_xy(renderer):
+
+        visible = self.get_visible() and self._check_xy(renderer)
+
+        self._check_xytext()
+
+        if not visible:
             return
         # Update text positions before `Text.draw` would, so that the
         # FancyArrowPatch is correctly positioned.
@@ -2046,7 +2053,11 @@ def get_window_extent(self, renderer=None):
         # docstring inherited
         # This block is the same as in Text.get_window_extent, but we need to
         # set the renderer before calling update_positions().
-        if not self.get_visible() or not self._check_xy(renderer):
+        visible = self.get_visible() and self._check_xy(renderer)
+
+        self._check_xytext()
+
+        if not visible:
             return Bbox.unit()
         if renderer is not None:
             self._renderer = renderer
@@ -2072,4 +2083,29 @@ def get_tightbbox(self, renderer=None):
         return super().get_tightbbox(renderer)
 
 
+    def _check_xytext(self, renderer=None):
+        """Check whether the annotation text at *xy_pixel* should be drawn."""
+        valid = True
+
+        if self.xytext is None:
+            return valid
+
+        try:
+            # transforming the coordinates
+            coords = np.array(self.get_transform().transform(self.xytext))
+            if all(isinstance(xyt, numbers.Number) for xyt in coords):
+                valid = not np.isnan(coords).any() and np.isfinite(coords).all()
+        except TypeError:
+            # If transformation fails, check raw coordinates
+            if all(isinstance(xyt, numbers.Number) for xyt in self.xytext):
+                is_numerical = not np.isnan(self.xytext).any()
+                finite = np.isfinite(self.xytext).all()
+                valid = is_numerical and finite
+            else:
+                # For non-number coordinates (like units), assume valid
+                valid = True
+
+        if not valid:
+            raise ValueError("xytext coordinates must be finite numbers")
+        return valid
 _docstring.interpd.register(Annotation=Annotation.__init__.__doc__)