Function reference • apache.sedona

Reading and Writing Spatial DataFrames

Functions for reading and writing Spark DataFrames.

spark_read_shapefile() spark_read_geojson() spark_read_geoparquet(): Read geospatial data into a Spark DataFrame.

spark_write_geojson() spark_write_geoparquet() spark_write_raster(): Write geospatial data from a Spark DataFrame.

sedona_save_spatial_rdd(): Save a Spark dataframe containing exactly 1 spatial column into a file.

Reading and Writing Spatial RDDs

Functions for reading and writing Spatial RDDs.

sedona_read_dsv_to_typed_rdd(): Create a typed SpatialRDD from a delimiter-separated values data source.

sedona_read_geojson() sedona_read_wkb() sedona_read_wkt() sedona_read_shapefile(): Read geospatial data into a Spatial RDD

sedona_read_shapefile_to_typed_rdd() sedona_read_geojson_to_typed_rdd(): (Deprecated) Create a typed SpatialRDD from a shapefile or geojson data source.

sedona_write_wkb() sedona_write_wkt() sedona_write_geojson(): Write SpatialRDD into a file.

Conversion

Functions to convert between Spark DataFrames and Spatial RDDs.

sdf_register(<spatial_rdd>) as.spark.dataframe(): Import data from a spatial RDD into a Spark Dataframe.

to_spatial_rdd(): Export a Spark SQL query with a spatial column into a Sedona spatial RDD.

RDD functions

Visualization

sedona_render_choropleth_map(): Visualize a Sedona spatial RDD using a choropleth map.

sedona_render_heatmap(): Visualize a Sedona spatial RDD using a heatmap.

sedona_render_scatter_plot(): Visualize a Sedona spatial RDD using a scatter plot.

Joins

sedona_spatial_join(): Perform a spatial join operation on two Sedona spatial RDDs.

sedona_spatial_join_count_by_key(): Perform a spatial count-by-key operation based on two Sedona spatial RDDs.

Query

sedona_knn_query(): Query the k nearest spatial objects.

sedona_range_query(): Execute a range query.

Others

sedona_apply_spatial_partitioner(): Apply a spatial partitioner to a Sedona spatial RDD.

sedona_build_index(): Build an index on a Sedona spatial RDD.

approx_count(): Find the approximate total number of records within a Spatial RDD.

crs_transform(): Perform a CRS transformation.

minimum_bounding_box(): Find the minimal bounding box of a geometry.

new_bounding_box(): Construct a bounding box object.