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README.md

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sql2gee

Read the docs

A Python 3 library to make SQL-like queries to Google's Earth Engine Main asset data types (Feature Collections, and Fusion Tables, Image Collections and Images). It is able to perform Postgis-like operations, including returning summary statistics, and histogram data and subsetting by geojson vector data.

Example usage

  1. Import the SQL2GEE class from the sql2gee library in python.
>>>import ee
>>>from sql2gee import SQL2GEE
>>>from utils.jsonSql import JsonSql
>>>ee.Initialize()
>>>
>>>sql = "SELECT ST_HISTOGRAM(raster, lossyear, 15, true) FROM 'UMD/hansen/global_forest_change_2015'"
>>>myQuery = SQL2GEE(JsonSql(sql).to_json())
>>>print("Result of my query: ", q.response())
Result of my query: [{'st_histogram': {'lossyear': [[0.0, 6929647.301960737], [1.0, 0.0], [2.0, 3.0], [3.0, 1.0], [4.0, 13.0], [5.0, 5.0], [6.0, 5.250980392156863], [7.0, 1.0], [8.0, 5.0], [9.0, 9.0], [10.0, 12.0], [11.0, 3.0], [12.0, 6.0], [13.0, 1.0], [14.0, 16.0]]}}]

Execute tests

$make test

or using py.test

$cd <path/sql2gee>
$py.test -v

Development

Notes

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