Queries for satellite images with VANE SQL v 0.2: Operation with an image - News

Queries for satellite images with VANE SQL v 0.2: Operation with an image

Queries for satellite images with VANE SQL v 0.2: Operation with an image

Posted on 2016-12-13 13:47 | Category: Satellite technologies, VANE Language, VANE Platform

Choose Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), RGB or change detection operations with images

Parameters:

{op} operation that you apply to images 

Operation of combining of chosen layers/bands 'rgb', 'ndvi', 'evi', and 'change' for change detection are available in the current version.

op=NDVI

Examples of queries: NDVI 

Parameters
select=b5,b4
op=ndvi
where=day<2016-07-19
order=last

Tile server template

http://{s}.sat.owm.io/sql/{z}/{x}/{y}?select=b5,b4&op=ndvi&where=day<2016-07-19&order=last

Example

http://sat.owm.io/sql/12/883/1630?select=b5,b4&where=day<2016-07-19&from=landsat8&order=last&color=auto&op=ndvi&appid=..


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