ambarja / ee-cptcity

ee-cptcity is a module for Google Earth Engine where you can find multiple colour palettes of different themes related to cartography, technical illustration and design. Currently ee-cptcity module has more 300 of color palettes available for the users.

cptcity for the Google Earth Engine JavaScript API (Code Editor)

📋 Table of contents

1. What is Google Earth Engine ?
2. What is cptcity and why ?
3. Top of the cpt palettes
4. Calling module and use it!

🔴 1. What is Google Earth Engine ?

Google Earth Engine is a cloud-based platform that helps access high-performance computing resources for processing and analyzing large geospatial datasets (Noel Golerick et al.,2017).

🔴 2. What is cptcity and why ?

Cptcity is a solium platform where you can find multiple colour palettes for various themes related to cartography, technical illustration and design. The archive supports various formats and is organised by author. Cptcity currently has colour palettes for the most popular desktop Geographic Information Systems such as QGIS, GRASS , SAGA , ARCGIS , and others. Currently, it has 7000 colour palettes, however in this second version of ee-cptcity module more than 300 colour palettes were incorporated along with 2 popular palettes like rocket , mako and turbe.

🔴 3. Top of the cpt palettes

The 75 most popular cpt files with the number downloaded shown in parentheses. The arrows indicate the change in rank in the last month. This list is compiled from the files downloaded in the last year (a total of 21,647 files) and is updated irregularly, most recently on 04/03/2022.

🔴 4. Calling module and use it!

var cpt = require('users/ambarja/ee-cptcity:cptcity');

var srtm = ee.Image('NASA/NASADEM_HGT/001')
           .select('elevation')

var viz = {
  min: 400,
  max: 4000,
  palette: cpt.pal.grass_elevation
  };

Map.setZoom(1);
Map.addLayer(srtm,viz,'Elevation(m)');

🔴 5.Examples

Please, visit our webpage where you find more examples with cptcity inside Js and R working with Google Earth Engine.

📚 References

• David Montero, 2021, ee-pokepalettes, https://github.com/davemlz/ee-pokepalettes

• Gennadii Donchyts, Fedor Baart & Justin Braaten ,2020,https://github.com/gee-community/ee-palettes

• Sergio Ibarra Espinosa, 2017, cptcity, https://github.com/ibarraespinosa/cptcity