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Returns a binary DataFrame from a Raster DataFrame. Each raster object in the resulting DataFrame is a GeoTiff image in binary format.

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Signatures

RS_AsGeoTiff(raster: Raster)

RS_AsGeoTiff(raster: Raster, tileSize: Int)

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

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

RS_AsGeoTiff(raster: Raster, compressionType: String, imageQuality: Double, tileWidth: Int, tileHeight: Int)

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Parameters

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raster
Raster
required
The input raster.
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compressionType
String
The compression type. Possible values: None, PackBits, Deflate, Huffman, LZW and JPEG.
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imageQuality
Double
The image quality. Any decimal number between 0 and 1. 0 means the lowest quality and 1 means the highest quality.
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tileSize
Int
default:"256"
The width and height of the internal tiles in the GeoTiff file.
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tileWidth
Int
The width of the internal tiles in the GeoTiff file.
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tileHeight
Int
The height of the internal tiles in the GeoTiff file.

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Return type

The raster in GeoTiff binary format.

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Examples

SELECT RS_AsGeoTiff(raster) FROM my_raster_table

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

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