implement get_boundinbox for 1 micron patch features

Author: dickscheid

siibra/features/image/sections.py

@@ -83,6 +83,14 @@ def __repr__(self):
     def section(self) -> CellbodyStainedSection:
         return self._section
 
+    def get_boundingbox(self):
+        """ Enforce that the bounding box spans the full section thickness."""
+        bbox_section = self._section.get_boundingbox()
+        bbox = self._patch.boundingbox
+        bbox.minpoint[1] = bbox_section.minpoint[1]
+        bbox.maxpoint[1] = bbox_section.maxpoint[1]
+        return bbox
+
     @property
     def profile(self) -> "Contour":
         return self._profile