RS_AsGeoTiff

Introduction: Returns a binary value (byte array) encoding the input raster as a GeoTiff image.

Possible values for compressionType: None, PackBits, Deflate, Huffman, LZW and JPEG

Possible values for imageQuality: any decimal number between 0 and 1. 0 means the lowest quality and 1 means the highest quality.

Format:

RS_AsGeoTiff(raster: Raster)

RS_AsGeoTiff(raster: Raster, compressionType: String, imageQuality: Double)

Return type: Binary

Since: v1.4.1

SQL Example

SELECT RS_AsGeoTiff(raster) FROM my_raster_table

SQL Example

SELECT RS_AsGeoTiff(raster, 'LZW', 0.75) FROM my_raster_table

Output:

+--------------------+
|             geotiff|
+--------------------+
|[4D 4D 00 2A 00 0...|
+--------------------+

Output schema:

root
 |-- geotiff: binary (nullable = true)