Add width and height aesthetics to geom_tile

doc/changelog.qmd

@@ -14,7 +14,9 @@ title: Changelog
 
 - Stopped spurious warnings of the form ``PlotnineWarning: Failed to apply
   `after_scale` modifications to the legend.`` when the `after_scale`
-  mapping is for another aesthetic.
+  mapping is for another aestetic.
+
+- Added `width` and `height` as default aesthetics of [](:class:`~plotnine.geom_tile`).
 
 ## v0.13.5
 (2024-04-26)

plotnine/geoms/geom_tile.py

@@ -32,6 +32,8 @@ class geom_tile(geom_rect):
         "fill": "#333333",
         "linetype": "solid",
         "size": 0.1,
+        "width": None,
+        "height": None,
     }
     REQUIRED_AES = {"x", "y"}
     DEFAULT_PARAMS = {
@@ -44,12 +46,18 @@ def setup_data(self, data: pd.DataFrame) -> pd.DataFrame:
         try:
             width = data.pop("width")
         except KeyError:
-            width = resolution(data["x"], False)
+            width = self.aes_params.get(
+                "width",
+                resolution(data["x"], False),
+            )
 
         try:
             height = data.pop("height")
         except KeyError:
-            height = resolution(data["y"], False)
+            height = self.aes_params.get(
+                "height",
+                resolution(data["y"], False),
+            )
 
         data["xmin"] = data["x"] - width / 2
         data["xmax"] = data["x"] + width / 2