Tools

tools module

This is the most important module of the package. It is divided in the following scopes:

• string
• number
• list
• dictionary
• geometry
• feature
• image
• map

NOTE: In all examples it's assumed that the module is imported at first:

var tools = require('users/fitoprincipe/geetools:tools');

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string

format(string)

Format a string using curly brackets.

var string = ee.String('Hello {name}')
var formatted = tools.string.format(string, {name: 'Rodrigo'})
print('Formatted string', formatted)

https://code.earthengine.google.com/f827a5c9d39252fb8895bef5eede52c1

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number

random(start, end, type)

Make a random number from start to end. Argument type can be float or int

trimDecimals(places)

Trim decimals from a float number n places

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list

sequence(start, end, step)

Make a sequence from start to end each step. Similar to ee.List.sequence but with the difference that the remaining last is included.

var seq = tools.list.sequence(0, 21, 2)
print(seq) // [0,2,4,6,8,10,12,14,16,18,20,21]
var ee_seq = ee.List.sequence(0, 21, 2)
print(ee_seq) // [0,2,4,6,8,10,12,14,16,18,20]

removeDuplicates(list)

Remove duplicated items

intersection(list1, list2)

Return the intesection between list1 and list2

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dictionary

extractList(dictionary, list)

Extract values from a dictionary that match keys from the given list

var list = ['a', 'c']
var dict = {a: 1, b:2, c:3}
var values = tools.dictionary.extractList(dict, list)
print(values) // [1, 3]

https://code.earthengine.google.com/e6200496f6089e6cd4eab8d7f009668a

geometry

maskInside(geometry)

Mask pixels inside a geometry. It return a function to map over an ImageCollection.

var i = ee.Image.random(1)
var masked = tools.geometry.maskInside(geometry)(i)
Map.addLayer(masked, {}, 'maskInside')

// over a collection
var col = ee.ImageCollection('collectionID')
var masked_col = col.map(tools.geometry.maskInside(geometry))

https://code.earthengine.google.com/e9eb4aba7465abfbdbfaeb45bd404b1f

paint(geometry, options)

Paints geometries. Similar to ee.Image.paint but with some differences. Argument options must be an object with none, one or more of the following:

• fillColor
• borderColor
• border (border's thickness)
• idFld (field that contains a numeric property)

https://code.earthengine.google.com/87c00a8b9796d601553051c84652694f