jiayuasu commented on code in PR #240:
URL: https://github.com/apache/parquet-format/pull/240#discussion_r1714165973


##########
src/main/thrift/parquet.thrift:
##########
@@ -373,6 +459,56 @@ struct JsonType {
 struct BsonType {
 }
 
+/**
+ * Physical type and encoding for the geometry type.
+ */
+enum GeometryEncoding {
+  /**
+   * Allowed for physical type: BYTE_ARRAY.
+   *
+   * Well-known binary (WKB) representations of geometries. It supports 2D or

Review Comment:
   This was mentioned in this spec:
   
   ```
   This is borrowed from `geometry_types` column metadata of GeoParquet [1]
      * except that values in the list are WKB (ISO variant) integer codes [2]. 
Table
      * below shows the most common geometry types and their codes:
   ```



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