Refactor spatial related functions under spatial package

.pre-commit-config.yaml

@@ -13,6 +13,7 @@ repos:
         hooks:
               - id: black
                 files: python/cuspatial/.*
+              # Explicitly specify the pyproject.toml at the repo root, not per-project.
                 args: ["--config", "pyproject.toml"]
       - repo: https://gitlab.com/pycqa/flake8
         rev: 3.7.7

docs/source/api_docs/index.rst

@@ -9,8 +9,7 @@ This page provides a list of all publicly accessible modules, methods and classe
     :maxdepth: 2
     :caption: API Documentation
 
-    gis
-    spatial_indexing
+    spatial
     trajectory
     geopandas_compatibility
     io

docs/source/api_docs/spatial.rst

@@ -0,0 +1,41 @@
+Spatial
+-------
+
+Functions that operate on spatial data.
+
+.. currentmodule:: cuspatial
+
+Spatial Indexing Functions
+++++++++++++++++++++++++++
+.. autofunction:: cuspatial.quadtree_on_points
+
+Spatial Join Functions
+++++++++++++++++++++++
+
+.. autofunction:: cuspatial.point_in_polygon
+.. autofunction:: cuspatial.quadtree_point_in_polygon
+.. autofunction:: cuspatial.quadtree_point_to_nearest_polyline
+.. autofunction:: cuspatial.join_quadtree_and_bounding_boxes
+
+Measurement Functions
++++++++++++++++++++++
+
+.. autofunction:: cuspatial.directed_hausdorff_distance
+.. autofunction:: cuspatial.haversine_distance
+.. autofunction:: cuspatial.pairwise_linestring_distance
+
+Bounding Boxes
+++++++++++++++
+
+.. autofunction:: cuspatial.polygon_bounding_boxes
+.. autofunction:: cuspatial.polyline_bounding_boxes
+
+Projection Functions
+++++++++++++++++++++
+
+.. autofunction:: cuspatial.lonlat_to_cartesian
+
+Spatial Filtering Functions
++++++++++++++++++++++++++++
+
+.. autofunction:: cuspatial.points_in_spatial_window

python/cuspatial/cuspatial/__init__.py

@@ -1,22 +1,20 @@
 from ._version import get_versions
 from .core import interpolate
-from .core.gis import (
+from .core.spatial import (
     directed_hausdorff_distance,
     haversine_distance,
+    join_quadtree_and_bounding_boxes,
     lonlat_to_cartesian,
-    point_in_polygon,
+    pairwise_linestring_distance,
     polygon_bounding_boxes,
     polyline_bounding_boxes,
-    pairwise_linestring_distance,
-)
-from .core.indexing import quadtree_on_points
-from .core.interpolate import CubicSpline
-from .core.spatial_join import (
-    join_quadtree_and_bounding_boxes,
+    point_in_polygon,
+    points_in_spatial_window,
+    quadtree_on_points,
     quadtree_point_in_polygon,
     quadtree_point_to_nearest_polyline,
 )
-from .core.spatial_window import points_in_spatial_window
+from .core.interpolate import CubicSpline
 from .core.trajectory import (
     derive_trajectories,
     trajectory_bounding_boxes,