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