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// Copyright 2010 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
var console = {};
var JSON = {};
var ContentMap = {};
var cmdIndex = 0;
/**
* For selenium-atoms-lib : events.js. Define createTouch for document which
* refers to a touch pad device I believe.
*/
var doc = {};
doc.createTouch = function(a, b, c, d, e, f, g) {};
doc.createTouchList = function(a, b) {};
| JavaScript |
/*
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or a... | JavaScript |
/** @interface */
var AceSession = function() {};
/** @interface */
var AceSessionDoc = function() {};
/** @interface */
var AceRenderer = function() {};
/** @interface */
var AceEditor = function() {};
/** @type {AceSessionDoc} */
AceSession.prototype.doc;
/** @interface */
var RequireOutput = function() {};
/**... | JavaScript |
// Copyright 2010 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2010 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2010 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-20998404-1']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
// Copyright 2010 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable... | JavaScript |
/**
* @fileoverview A deserializer that decodes EE object trees from JSON DAGs.
*
*/
goog.provide('ee.Deserializer');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('ee.CustomFunction');
goog.require('ee.Date');
goog.require('ee.Encodable');
goog.require('ee.Function');
goog.requir... | JavaScript |
/**
* @fileoverview Singleton for all of the library's communcation
* with the Earth Engine API.
*/
goog.provide('ee.data');
goog.provide('ee.data.AlgorithmArgument');
goog.provide('ee.data.AlgorithmSignature');
goog.provide('ee.data.AlgorithmsRegistry');
goog.provide('ee.data.AssetDescription');
goog.provide('ee.d... | JavaScript |
/**
* @fileoverview Manages a pool of ImageLoaders. This handles all the details of
* dealing with ImageLoaders and provides a simple interface for sending
* requests and managing events.
*
* This class supports queueing of requests (by putting tokens into TokenPool)
* and retrying of requests. An image request i... | JavaScript |
/**
* @fileoverview A serializer that encodes EE object trees as JSON DAGs.
*
*/
goog.provide('ee.Serializer');
goog.require('ee.Encodable');
goog.require('goog.array');
goog.require('goog.crypt.Md5');
goog.require('goog.json.Serializer');
goog.require('goog.object');
/**
* A serializer for EE object trees.
*... | JavaScript |
/**
* @fileoverview A set of utilities to work with EE types.
*/
goog.provide('ee.Types');
goog.require('ee.ComputedObject');
/**
* A dictionary of the ee classes.
* Not technically needed in the JavaScript library, but it matches what
* we have to do in the Python library.
* The keys are the names of the ee ... | JavaScript |
/**
* @fileoverview A wrapper for strings.
*/
goog.provide('ee.String');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
/**
* Constructs a new String.
*
* @param {string|Object} string A string or a computed object.
*
* @constructor
* @extends {ee.ComputedObject}
* @export
*/
ee.Strin... | JavaScript |
/**
* @fileoverview An object representing EE Geometries.
*/
goog.provide('ee.Geometry');
goog.provide('ee.Geometry.LineString');
goog.provide('ee.Geometry.LinearRing');
goog.provide('ee.Geometry.MultiLineString');
goog.provide('ee.Geometry.MultiPoint');
goog.provide('ee.Geometry.MultiPolygon');
goog.provide('ee.Geo... | JavaScript |
/**
* @fileoverview Collection filters.
*
* new Filter('time', low, high)
* .bounds(ring)
* .eq('time', value)
* .lt('time', value)
*/
goog.provide('ee.Filter');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('goog.array');
goog.require('goog.string');
/**
* Constr... | JavaScript |
/**
* @fileoverview An interface implemented by serializable objects.
*/
goog.provide('ee.Encodable');
/**
* An interface implemented by objects that know how to serialize themselves.
* Not an actual Closure interface because we need instanceof to work.
* @constructor
*/
ee.Encodable = function() {};
/**
*... | JavaScript |
/**
* @fileoverview An object representing a saved function.
*
*/
goog.provide('ee.SavedFunction');
goog.require('ee.ApiFunction');
goog.require('ee.Function');
/**
* Creates a function representing a saved function.
*
* @param {string} path The function's full path.
* @param {ee.Function.Signature} signatu... | JavaScript |
/**
* @fileoverview An object representing EE Features.
*/
goog.provide('ee.Feature');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('ee.Element');
goog.require('ee.Geometry');
goog.require('goog.object');
/**
* Features can be constructed from one of the following arguments pl... | JavaScript |
/**
* Packages are a set of saved algorithms.
*
* The contents of a package are stored as individual assets in a folder.
* A package is intialized by synchronously retrieving the folder's contents.
* The folder will contain 1 signature for each saved algorithm. A
* SavedFunction object is created for each saved ... | JavaScript |
/**
* @fileoverview A wrapper for Lists.
*/
goog.provide('ee.List');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('ee.CustomFunction');
goog.require('goog.array');
/**
* Constructs a new list.
*
* @param {goog.array.ArrayLike|Object} list A list or a computed object.
*
* @... | JavaScript |
/**
* @fileoverview Base class for ImageCollection and FeatureCollection.
* This class is never intended to be instantiated by the user.
*
*/
goog.provide('ee.Collection');
goog.require('ee.ApiFunction');
goog.require('ee.Element');
goog.require('ee.Filter');
/**
* Constructs a base collection by passing the ... | JavaScript |
/**
* @fileoverview A wrapper for dicts.
*/
goog.provide('ee.Dictionary');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('ee.Types');
/**
* Constructs a new Dictionary.
*
* @param {Object|ee.ComputedObject} dict A dictionary or a computed object.
*
* @constructor
* @extend... | JavaScript |
// Copyright 2011 Google Inc. All Rights Reserved.
/**
* @fileoverview Class implementing the google.maps.MapType interface
* for display of a layer of rendered Earth Engine tiles. This class
* behaves much like an ImageMapType, but adds events for knowing when
* the tiles have finished loading.
*
* @ignore
*/
... | JavaScript |
/**
* @fileoverview A wrapper for numbers.
*/
goog.provide('ee.Number');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
/**
* Constructs a new Number.
*
* @param {number|Object} number A number or a computed object.
*
* @constructor
* @extends {ee.ComputedObject}
* @export
*/
ee.Numbe... | JavaScript |
// Set a custom basemap style and default to the satellite map type.
var styles = {
'Soft Blue': [
{
featureType: 'all',
stylers: [
{ saturation: -80 }
]
},{
featureType: 'road.arterial',
elementType: 'geometry',
stylers: [
{ hue: '#00ffee' },
{ satu... | JavaScript |
// Simple regression of year versus NDVI.
// Define the start date and position to get images covering Montezuma Castle,
// Arizona, from 2000-2010.
var start = '2000-01-01';
var end = '2010-01-01';
var lng = -111.83533;
var lat = 34.57499;
var region = ee.Feature.Point(lng, lat);
// Filter to Landsat 7 images in the... | JavaScript |
// Array-based spectral unmixing.
// Create a mosaic of Landsat 5 images from June through September, 2007.
var allBandMosaic = ee.ImageCollection('LT5_L1T')
.filterDate('2007-06-01', '2007-09-30')
.median();
// Create some representative endmembers computed previously by sampling
// the Landsat 5 mosaic.
var urb... | JavaScript |
// Array-based quality mosaic.
// Returns a mosaic built by sorting each stack of pixels by the first band
// in descending order, and taking the highest quality pixel.
function qualityMosaic(bands) {
// Convert to an array, and declare names for the axes and indices along the
// band axis.
var array = bands.toA... | JavaScript |
// Decorrelation Stretch
function dcs(image, region, scale) {
var bandNames = image.bandNames();
// The axes are numbered, so to make the following code more
// readable, give the axes names.
var imageAxis = 0;
var bandAxis = 1;
// Compute the mean of each band in the region.
var means = image.reduceRe... | JavaScript |
// Plot the most extreme recorded temperatures in U.S. states.
var extremeTemps =
ee.FeatureCollection('ft:1dZ78QI6P_HrZ6oabSKitytOhWM__fI9O1ayP4AoI');
var COLOR = {
HIGH: 'ff0000',
LOW: '0000ff'
};
// Get the cities with the highest highs.
var hottestStates = extremeTemps.limit(6, 'high_record', false);
var ... | JavaScript |
// Plot a histogram of elevation in Colorado.
var elevation = ee.Image('srtm90_v4');
var colorado = ee.Geometry.Rectangle(-109.05, 41, -102.05, 37);
// Generate the histogram data. Use minBucketWidth for nice sized buckets.
var coloradoElevationHistogram =
Chart.image.histogram(elevation, colorado, 200, null, 30... | JavaScript |
// Plot histogram of plant species counts in the world's deserts.
var ecoregions =
ee.FeatureCollection('ft:1Vzl5xYdsbL2GkUhf8w5FhQ8ucGjp4V-Qevigwnd6');
// Select desert ecoregions.
var deserts = ecoregions.filter(ee.Filter.contains('ECO_NAME', 'desert'))
.distinct('ECO_NAME');
// Prepare the chart. Specify... | JavaScript |
// Plot a time series of a band's value in regions of the American West.
var COLOR = {
CITY: 'ff0000',
DESERT: '0000ff',
FOREST: '00ff00'
};
var city = ee.Feature( // San Francisco.
ee.Geometry.Rectangle(-122.45, 37.74, -122.4, 37.8),
{label: 'City'});
var forest = ee.Feature( // Tahoe National Fore... | JavaScript |
// Plot band values at points in an image.
var landsat8Toa = ee.ImageCollection('LANDSAT/LC8_L1T_32DAY_TOA');
var COLOR = {
PARK: 'ff0000',
FARM: '0000ff',
URBAN: '00ff00'
};
// Three known locations.
var park = ee.Feature(
ee.Geometry.Point(-99.25260, 19.32235), {'label': 'park'});
var farm = ee.Feature(
... | JavaScript |
// Plot average seasonal temperatures in U.S. cities.
var seasonalTemps =
ee.FeatureCollection('ft:1G3RZbWoTiCiYv_LEwc7xKZq8aYoPZlL5_KuVhyDM');
// Compute the annual temperature delta.
seasonalTemps = seasonalTemps.map(function(city) {
var julyTemp = ee.Number(city.get('avg_temp_jul'));
var janTemp = ee.Numbe... | JavaScript |
// Plot elevation at waypoints along the Mt. Rainier summit trail.
var elevation = ee.Image('srtm90_v4');
var rainierWaypoints =
ee.FeatureCollection('ft:14q5k1isVmMMBepZAm4YIExnI7y5hE8P3Mi33WwO0');
var waypointElevations = Chart.image.byRegion(
elevation, rainierWaypoints, null, 200, 'name');
Chart.print(way... | JavaScript |
// SimpleCloudScore, an example of computing a cloud-free composite with L8
// by selecting the least-cloudy pixel from the collection.
// A mapping from a common name to the sensor-specific bands.
var LC8_BANDS = ['B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B10'];
var STD_NAMES = ['blue', 'green', 'red', 'nir',... | JavaScript |
// Modis Cloud Masking example.
//
// Calculate how frequently a location is labeled as clear (i.e. non-cloudy)
// according to the "internal cloud algorithm flag" of the MODIS "state 1km"
// QA band.
/*
* A function that returns an image containing just the specified QA bits.
*
* Args:
* image - The QA Image to... | JavaScript |
// Map an expression over a collection.
//
// Computes the mean NDVI and SAVI by mapping an expression over a collection
// and taking the mean. This intentionally exercises both variants of
// Image.expression.
// Filter the L7 collection to a single month.
var collection = ee.ImageCollection('LE7_L1T_TOA')
.fil... | JavaScript |
// Compute the trend of nighttime lights from DMSP.
// Add a band containing image date as years since 1991.
function createTimeBand(img) {
var year = ee.Date(img.get('system:time_start')).get('year').subtract(1991);
return ee.Image(year).byte().addBands(img);
}
// Fit a linear trend to the nighttime lights colle... | JavaScript |
// Composite an image collection and clip it to a boundary.
// See also: FilteredComposite, which filters the collection by bounds instead.
// Create a Landsat 7, median-pixel composite for Spring of 2000.
var collection = ee.ImageCollection('LE7_L1T')
.filterDate('2000-04-01', '2000-07-01');
var median = collecti... | JavaScript |
// Filter an image collection by date and region to make a
// median pixel composite.
//
// See also: ClippedComposite, which crops the output image
// instead of filtering the input collection.
// Filter to only include images within the colorado and utah boundaries.
var polygon = ee.Geometry.Polygon([[
[-109.05, 3... | JavaScript |
// Mark pixels where the elevation crosses 1000m value and compare
// that to pixels that are exactly equal to 1000m.
var elev = ee.Image('srtm90_v4');
var image = elev.subtract(1000).zeroCrossing();
Map.setCenter(-121.68148, 37.50877, 13);
Map.addLayer(image, {min: 0, max: 1, opacity: 0.5}, 'Crossing 1000m');
var e... | JavaScript |
// Compute Enhanced Vegetation Index over the MODIS MOD09GA product using
// an expression.
var img = ee.Image('MOD09GA/MOD09GA_005_2012_03_09').multiply(0.0001);
var evi = img.expression(
'2.5 * (nir - red) / (nir + 6 * red - 7.5 * blue + 1)',
{
red: img.select('sur_refl_b01'), // 620-670nm, RED
... | JavaScript |
// Landcover cleanup.
//
// Display the MODIS land cover classification image with appropriate colors.
// Force projection of 500 meters/pixel, which is the native MODIS resolution.
var SCALE = 500;
var image1 = ee.Image('MCD12Q1/MCD12Q1_005_2001_01_01');
var image2 = image1.select(['Land_Cover_Type_1']);
var image3 ... | JavaScript |
// HDR Landsat.
//
// Display portions of an image with different dynamic ranges.
// The land areas are displayed normally, but the water areas
// are streched to show more details.
// Filter the L7 collection to a single date.
var collection = ee.ImageCollection('LE7_L1T')
.filterDate(new Date('11/8/2002'), n... | JavaScript |
// Draws 60 lat/long lines per degree using the pixelLonLat() function.
var img = ee.Image.pixelLonLat().multiply(60.0);
img = img.subtract(img.floor()).lt(0.05);
var grid = img.select('latitude').or(img.select('longitude'));
Map.setCenter(-122.09228, 37.42330, 12);
Map.addLayer(grid.mask(grid),
{min: 0, max:... | JavaScript |
// Display an image given its ID.
var image = ee.Image('srtm90_v4');
Map.setCenter(-110, 40, 5);
Map.addLayer(image, {min: 0, max: 3000});
| JavaScript |
// Displays the decreasing area covered by a single pixel at
// higher lattitudes using the Image.pixelArea() function.
var img = ee.Image.pixelArea();
Map.setCenter(0, 0, 3);
Map.addLayer(img, {min: 2e8, max: 4e8, opacity: 0.85});
| JavaScript |
// Center-pivot Irrigation Detector.
//
// Finds circles that are 500m in radius.
Map.setCenter(-106.06, 37.71, 12);
// A nice EVI palette.
var palette = [
'FFFFFF', 'CE7E45', 'DF923D', 'F1B555', 'FCD163', '99B718',
'74A901', '66A000', '529400', '3E8601', '207401', '056201',
'004C00', '023B01', '012E01', '011D01... | JavaScript |
// HSV-based Pan-Sharpening.
// Grab a sample L7 image and pull out the RGB and pan bands
// in the range (0, 1). (The range of the pan band values was
// chosen to roughly match the other bands.)
var image1 = ee.Image('LANDSAT/LE7/LE72300681999227EDC00');
var rgb = image1.select('B3', 'B2', 'B1').unitScale(0, 255);... | JavaScript |
// NormalizedDifference example.
//
// Compute Normalized Difference Vegetation Index over MOD09GA product.
// NDVI = (NIR - RED) / (NIR + RED), where
// RED is sur_refl_b01, 620-670nm
// NIR is sur_refl_b02, 841-876nm
var img = ee.Image('MOD09GA/MOD09GA_005_2012_03_09');
var ndvi = img.normalizedDifference(['sur_refl... | JavaScript |
// Display a Landsat 8 image given its ID.
// 2013-06-03 Landsat 8 scene.
var image = ee.Image('LC8_L1T/LC80440342013154LGN00');
// Define visualization parameters for a true color image.
var vizParams = {'bands': 'B4,B3,B2',
'min': 5000,
'max': 30000,
'gamma': 1.6};
... | JavaScript |
// Image.reduceRegion example
//
// Computes a simple reduction over a region of an image. A reduction
// is any process that takes an arbitrary number of inputs (such as
// all the pixels of an image in a given region) and computes one or
// more fixed outputs. The result is a dictionary that contains the
// compute... | JavaScript |
// Image.clamp example.
//
// Clamp the values of all bands in an image to lie within the specified range.
// Values below the low value of that range are set to low value, values above
// the high value of that range are set to the high value.
//
// Usage: image.clamp(low, high)
//
var image = ee.Image('srtm90_v4');
... | JavaScript |
// Download example.
//
// This displays a link containing the URL of the image to download.
var image = ee.Image('srtm90_v4');
var path = image.getDownloadURL({
'scale': 30,
'crs': 'EPSG:4326',
'region': '[[-120, 35], [-119, 35], [-119, 34], [-120, 34]]'
});
print(path);
| JavaScript |
// Applies a non-linear contrast enhancement to a MODIS image using
// function -1.2x^2 + 2.4x - 0.2.
var img = ee.Image('MOD09GA/MOD09GA_005_2012_03_09')
.select(['sur_refl_b01', 'sur_refl_b04', 'sur_refl_b03'])
.multiply(0.0001);
var adj = img.polynomial([-0.2, 2.4, -1.2]);
Map.setCenter... | JavaScript |
// Tests for BitwiseAnd.
//
// Extracts quality bits from MOD09GQ QC band, and masks pixels
// where the quality value is not "ideal".
// Lowest two bits contain quality value:
// 00: "produced at ideal quality all bands"
// 01: "produced at less than ideal quality some or all bands"
// 10: "not produced due to cloud e... | JavaScript |
// An example finding linear features using the HoughTransform.
var image = ee.Image('LT5_L1T_8DAY_NDVI/19850720');
var canny = ee.Algorithms.CannyEdgeDetector(image, 0.4, 1).multiply(255);
var h = ee.Algorithms.HoughTransform(canny, 256, 50, 100);
Map.setCenter(-103.80140, 40.21729, 13);
Map.addLayer(image, {min: 0,... | JavaScript |
// Image.ConnectedPixelCount example.
//
// Split pixels of band 01 into "bright" (arbitrarily defined as
// reflectance > 0.3) and "dim". Highlight small (<30 pixels)
// standalone islands of "bright" or "dim" type.
var img = ee.Image('MOD09GA/MOD09GA_005_2012_03_09')
.select('sur_refl_b01')
... | JavaScript |
// Canny Edge Detector example.
var image = ee.Image('LT5_L1T_8DAY_EVI/20110618');
var canny = ee.Algorithms.CannyEdgeDetector(image, 0.7);
// Mask the image with itself to get rid of 0 pixels.
canny = canny.mask(canny);
Map.setCenter(-101.05259, 37.93418, 13);
Map.addLayer(image, {min: 0, max: 1}, 'Landsat EVI');
Ma... | JavaScript |
// Where operator.
//
// Select the forest classes from the MODIS land cover image and intersect them
// with elevations above 1000m.
var elev = ee.Image('srtm90_v4');
var cover = ee.Image('MCD12Q1/MCD12Q1_005_2001_01_01')
.select('Land_Cover_Type_1');
var blank = ee.Image(0);
// Where (1 <= cover <= 4) and (ele... | JavaScript |
// Ledaps Surface Reflectance.
// The main scene.
var scene = ee.Image('LE7_L1T/LE70230391999217GNC00');
// The LEDAPS precomputed image products for our scene of interest.
var precomputed = ee.Image('LEDAPS/L7_PRE/LE70230391999217GNC00');
// Ancillary data.
var surfaceWv = [ee.Image('NCEP_RE/surface_wv/pr_wtr_eatm_... | JavaScript |
// Hillshade example.
function radians(img) {
return img.toFloat().multiply(Math.PI).divide(180);
}
// Compute hillshade for the given illumination az, el.
function hillshade(az, ze, slope, aspect) {
var azimuth = radians(ee.Image(az));
var zenith = radians(ee.Image(ze));
// Hillshade = cos(Azimuth - Aspect) ... | JavaScript |
// Extract MODIS QA information from the "state_1km" QA band
//
// QA Band information is available at:
// https://lpdaac.usgs.gov/products/modis_products_table/mod09ga
// Table 1: 1-kilometer State QA Descriptions (16-bit)
/**
* Returns an image containing just the specified QA bits.
*
* Args:
* image - The QA... | JavaScript |
// Extract values from a dictionary returned by reduceRegion.
//
// This example computes the mean and standard deviation of an image
// and then stretches the image with those values.
var img = ee.Image('srtm90_v4');
var meanReducer = ee.Reducer.mean();
var sigmaReducer = ee.Reducer.stdDev();
var region = ee.Geometry... | JavaScript |
// Collection.distance example.
//
// Computes the distance to the nearest feature in a collection.
var fc = ee.FeatureCollection([
ee.Geometry.Point(-72.94411, 41.32902),
ee.Geometry.Point(-72.94411, 41.33402),
ee.Geometry.Point(-72.94411, 41.33902),
ee.Geometry.LineString(
-72.93411, 41.30902, -72.9341... | JavaScript |
// Computed area filter.
//
// Find US counties smaller than 3k square kilometers in area.
var counties = ee.FeatureCollection(
'ft:1pjtcfSKIbYbj4wRcBjc0Bb6NB-sQRI-L2nIzHiU');
var countiesWithArea = counties.map(function(f) {
return f.set({area: f.area()});
});
var smallCounties = countiesWithArea.filterMetadata... | JavaScript |
// Simple Join example.
//
// Show parks in San Francisco within 2 kilometers of a BART station.
var bart = ee.FeatureCollection('ft:1xCCZkVn8DIkB7i7RVkvsYWxAxsdsQZ6SbD9PCXw');
var parks = ee.FeatureCollection('ft:10KC6VfBWMUvNcuxU7mbSEg__F_4UVe9uDkCldBw');
// Join the two collection on their geometries if they're wi... | JavaScript |
// Create and render a feature collection from polygons.
var fc = new ee.FeatureCollection([
ee.Feature(
ee.Geometry.Polygon(
[[-109.05, 41], [-109.05, 37], [-102.05, 37], [-102.05, 41]]),
{name: 'Colorado', fill: 1}),
ee.Feature(
ee.Geometry.Polygon(
[[-114.05, ... | JavaScript |
// Reverse mask a region.
//
// Create an image that masks everything except for the specified polygon.
var fc = ee.FeatureCollection('ft:1Ec8IWsP8asxN-ywSqgXWMuBaxI6pPaeh6hC64lA')
.filter(ee.Filter().eq('ECO_NAME', 'Great Basin shrub steppe'));
// Fill and outline the polygons in two colors
var region = ee.Image... | JavaScript |
// Count Features.
//
// Count Panoramio photos near SF that mention bridges.
var photosNearSF = ee.FeatureCollection(
'ft:1qpKIcYQMBsXLA9RLWCaV9D0Hus2cMQHhI-ViKHo');
var bridgePhotos = photosNearSF.filter(ee.Filter.or(
ee.Filter.contains('title', 'Bridge'),
ee.Filter.contains('title', 'bridge')));
Map.ad... | JavaScript |
// Feature buffer example.
//
// Display the area within 2 kilometers of any San Francisco BART station.
var bartStations = ee.FeatureCollection(
'ft:1xCCZkVn8DIkB7i7RVkvsYWxAxsdsQZ6SbD9PCXw');
var buffered = bartStations.map(function(f) { return f.buffer(2000); });
var unioned = buffered.union();
Map.addLayer(un... | JavaScript |
// Create a feature collection from a Fusion Table.
//
// Select "desert" features from the TNC Ecoregions fusion table.
var fc = ee.FeatureCollection('ft:1Ec8IWsP8asxN-ywSqgXWMuBaxI6pPaeh6hC64lA')
.filter(ee.Filter.contains('ECO_NAME', 'desert'));
// Paint into a blank image. Cast to byte() so we can use more than... | JavaScript |
/**
* @fileoverview Javascript representation for an Earth Engine ImageCollection.
*/
goog.provide('ee.ImageCollection');
goog.require('ee.ApiFunction');
goog.require('ee.Collection');
goog.require('ee.ComputedObject');
goog.require('ee.Image');
goog.require('ee.Types');
goog.require('goog.array');
/**
* ImageC... | JavaScript |
/**
* @fileoverview Representation of an Earth Engine FeatureCollection.
*/
goog.provide('ee.FeatureCollection');
goog.require('ee.ApiFunction');
goog.require('ee.Collection');
goog.require('ee.ComputedObject');
goog.require('ee.Feature');
goog.require('ee.Geometry');
goog.require('ee.List');
goog.require('ee.Types... | JavaScript |
/**
* @fileoverview A representation of an earth engine image.
* See: https://sites.google.com/site/earthengineapidocs for more details.
*/
goog.provide('ee.Image');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('ee.Element');
goog.require('ee.Function');
goog.require('ee.Geometry... | JavaScript |
/**
* @fileoverview A wrapper for Date.
*
* We don't autogenerate this class because we want the constructor
* to promote by pushing things through the server-side Date() function.
*
*/
goog.provide('ee.Date');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('ee.Types');
/**
... | JavaScript |
/**
* @fileoverview A representation of a computed earthengine object.
*
*/
goog.provide('ee.ComputedObject');
goog.require('ee.Encodable');
goog.require('ee.Serializer');
goog.require('ee.data');
/**
* An object to represent a computed Earth Engine object, a base for most
* API objects.
*
* This is used to... | JavaScript |
/**
* @fileoverview Initialization and convenience functions for the EE library.
*/
goog.provide('ee');
goog.provide('ee.Algorithms');
goog.provide('ee.InitState');
goog.require('ee.ApiFunction');
goog.require('ee.Collection');
goog.require('ee.ComputedObject');
goog.require('ee.CustomFunction');
goog.require('ee.D... | JavaScript |
/**
* @fileoverview A class for representing built-in EE API Function.
*
* Earth Engine can dynamically produce a JSON array listing the
* algorithms available to the user. Each item in the dictionary identifies
* the name and return type of the algorithm, the name and type of its
* arguments, whether they're re... | JavaScript |
/**
* @fileoverview Base class for Image, Feature and Collection.
* This class is never intended to be instantiated by the user.
*
*/
goog.provide('ee.Element');
goog.require('ee.ApiFunction');
goog.require('ee.ComputedObject');
goog.require('ee.Types');
goog.require('goog.array');
goog.require('goog.object');
... | JavaScript |
/**
* @fileoverview A base class for EE Functions.
*/
goog.provide('ee.Function');
goog.provide('ee.Function.Signature');
goog.require('ee.ComputedObject');
goog.require('ee.Encodable');
goog.require('ee.Serializer');
goog.require('goog.array');
goog.require('goog.functions');
/**
* An abstract base class for f... | JavaScript |
/**
* @fileoverview An object representing a custom EE Function.
*/
goog.provide('ee.CustomFunction');
goog.require('ee.ComputedObject');
goog.require('ee.Function');
goog.require('ee.Number');
goog.require('ee.Serializer');
goog.require('ee.String');
goog.require('ee.Types');
goog.require('goog.array');
goog.requi... | JavaScript |
/**
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * *
* iScroll Lite Edition based on iScroll v4.0 Beta 4
* * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (c) 2010 Matteo Spinelli, http://cubiq.org/
* Released under MIT license
* http://cubiq.org/dropbox/mit-license.txt
*
* Last... | JavaScript |
/**
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * *
* iScroll v4.0 Beta 4
* * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (c) 2010 Matteo Spinelli, http://cubiq.org/
* Released under MIT license
* http://cubiq.org/dropbox/mit-license.txt
*
* Last updated: 2011.03.10
*
* * ... | JavaScript |
var Drupal = Drupal || { 'settings': {}, 'behaviors': {}, 'locale': {} };
// Allow other JavaScript libraries to use $.
jQuery.noConflict();
(function ($) {
/**
* Override jQuery.fn.init to guard against XSS attacks.
*
* See http://bugs.jquery.com/ticket/9521
*/
var jquery_init = $.fn.init;
$.fn.init = function... | JavaScript |
(function ($) {
/**
* Drag and drop table rows with field manipulation.
*
* Using the drupal_add_tabledrag() function, any table with weights or parent
* relationships may be made into draggable tables. Columns containing a field
* may optionally be hidden, providing a better user experience.
*
* Created tableD... | JavaScript |
(function ($) {
/**
* A progressbar object. Initialized with the given id. Must be inserted into
* the DOM afterwards through progressBar.element.
*
* method is the function which will perform the HTTP request to get the
* progress bar state. Either "GET" or "POST".
*
* e.g. pb = new progressBar('myProgressBar'... | JavaScript |
(function ($) {
/**
* Attach the machine-readable name form element behavior.
*/
Drupal.behaviors.machineName = {
/**
* Attaches the behavior.
*
* @param settings.machineName
* A list of elements to process, keyed by the HTML ID of the form element
* containing the human-readable value. Each ele... | JavaScript |
(function ($) {
Drupal.behaviors.tableSelect = {
attach: function (context, settings) {
// Select the inner-most table in case of nested tables.
$('th.select-all', context).closest('table').once('table-select', Drupal.tableSelect);
}
};
Drupal.tableSelect = function () {
// Do not add a "Select all" che... | JavaScript |
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