2013-10-14 14:36:02 -07:00

38 lines
1.2 KiB
Python

"""A simple example of connecting to Earth Engine using App Engine."""
# Works in the local development environment and when deployed.
# If successful, shows a single web page with the SRTM DEM
# displayed in a Google Map. See accompanying README file for
# instructions on how to set up authentication.
import os
import config
import ee
import jinja2
import webapp2
jinja_environment = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__)))
class MainPage(webapp2.RequestHandler):
def get(self): # pylint: disable=g-bad-name
"""Request an image from Earth Engine and render it to a web page."""
ee.Initialize(config.EE_CREDENTIALS, config.EE_URL)
mapid = ee.Image('srtm90_v4').getMapId({'min': 0, 'max': 1000})
# These could be put directly into template.render, but it
# helps make the script more readable to pull them out here, especially
# if this is expanded to include more variables.
template_values = {
'mapid': mapid['mapid'],
'token': mapid['token']
}
template = jinja_environment.get_template('index.html')
self.response.out.write(template.render(template_values))
app = webapp2.WSGIApplication([('/', MainPage)], debug=True)