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Create a simple Geospatial Table with Geography type column

lakshgisprog
Visitor

Hello All

I am looking for guidance on creating an simple US states table with shape as Geography column type. I do not want to use Apache Sedona (due to cluster limitations). I am going to create an Node JS application which is going to query this geospatial data.  

2 REPLIES 2

filipniziol
Contributor

Hi @lakshgisprog ,

Recently there was a technical article on geospatial data processing. You may start with that one:
https://community.databricks.com/t5/technical-blog/from-raw-to-refined-processing-overture-maps-geos...

lakshgisprog
Visitor

Thank you for prompt response. Yes, I have gone through the blog. I followed the same process ; for examples, buildings table have geometry which stores as binary type. My question, how to store geometry in 'Geography' type.  The GEOGRAPHY data type follows the WGS 84 standard (spatial reference ID 4326; for details, see https://epsg.io/4326).

My use case is creating an Node JS application to query the geospatial data and perform spatial operations.

Second part of Danny Blog is using Sedona for dynamic segmentation. Since my compute is shared, I cannot use external library rather want to explore native spatial types and operation.

Let me know if you have some pointers.

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