PMassicotte opened a new issue, #163:
URL: https://github.com/apache/sedona-db/issues/163

   First, thank you very much for this, just started to dig in and looks super 
cool already.
   
   I am trying to reproduce this Python example: 
https://sedona.apache.org/latest/blog/2025/09/24/introducing-sedonadb-a-single-node-analytical-database-engine-with-geospatial-as-a-first-class-citizen/#sedonadb-crs-management
   
   But I am getting this.
   
   ``` r
   library(sedonadb)
   library(sf)
   #> Linking to GEOS 3.12.1, GDAL 3.10.1, PROJ 9.5.1; sf_use_s2() is TRUE
   st_read(
     
"https://raw.githubusercontent.com/geoarrow/geoarrow-data/v0.2.0/example-crs/files/example-crs_vermont-utm.fgb";
   ) |>
     sd_to_view("vermont")
   #> Reading layer `example-crs_vermont-utm' from data source 
   #>   
`https://raw.githubusercontent.com/geoarrow/geoarrow-data/v0.2.0/example-crs/files/example-crs_vermont-utm.fgb'
 
   #>   using driver `FlatGeobuf'
   #> Simple feature collection with 1 feature and 0 fields
   #> Geometry type: POLYGON
   #> Dimension:     XY
   #> Bounding box:  xmin: 625858.2 ymin: 4733644 xmax: 775539.6 ymax: 4989818
   #> Projected CRS: WGS 84 / UTM zone 18N
   
   sd_read_parquet(
     
"https://github.com/geoarrow/geoarrow-data/releases/download/v0.2.0/microsoft-buildings_point_geo.parquet";
   ) |>
     sd_to_view("buildings")
   
   sd_sql(
     "
     SELECT
       count(*)
     FROM
       buildings
       JOIN vermont
     WHERE
      ST_Intersects (buildings.geometry, ST_Transform (vermont.geometry, 
'EPSG:4326'))
   "
   ) |>
     st_as_sf()
   #> Error: Execution error: Task join error: External error: Can't initialize 
ProjApi from sedona-proj without proj-sys feature
   ```
   
   <sup>Created on 2025-09-28 with [reprex 
v2.1.1](https://reprex.tidyverse.org)</sup>


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