F60e Checkpoint

Import libraries¶

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import ee
import geemap

import ee import geemap

Create an interactive map¶

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Map = geemap.Map(center=[40, -100], zoom=4)

Map = geemap.Map(center=[40, -100], zoom=4)

Add Earth Engine Python script¶

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# Add Earth Engine dataset
image = ee.Image("USGS/SRTMGL1_003")

#  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#  Chapter:      F6.0 Advanced Raster Visualization
#  Checkpoint:   F60e
#  Authors:      Gennadii Donchyts, Fedor Baart
#  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

# *
# Draws a string as a raster image at a given point.
#
# @param {string} str - string to draw
# @param {ee.Geometry} point - location the the string will be drawn
# @param {{string, Object}} options - optional properties used to style text
#
# The options dictionary may include one or more of the following:
#     fontSize       - 16|18|24|32 - the size of the font (default: 16)
#     fontType       - Arial|Consolas - the type of the font (default: Arial)
#     alignX         - left|center|right (default: left)
#     alignY         - top|center|bottom (default: top)
#     textColor      - text color string (default: ffffff - white)
#     textOpacity    - 0-1, opacity of the text (default: 0.9)
#     textWidth      - width of the text (default: 1)
#     outlineColor   - text outline color string (default: 000000 - black)
#     outlineOpacity - 0-1, opacity of the text outline (default: 0.4)
#     outlineWidth   - width of the text outlines (default: 0)
#

# Include the text package.
text = require("users/gena/packages:text")

# Configure map (change center and map type).
Map.setCenter(0, 0, 10)
Map.setOptions("HYBRID")

# Draw text string and add to map.
pt = Map.getCenter()
scale = Map.getScale()
image = text.draw("Hello World!", pt, scale)

#  -----------------------------------------------------------------------
#  CHECKPOINT
#  -----------------------------------------------------------------------

image = text.draw(
    "Hello World!",
    pt,
    scale,
    {
        "fontSize": 32,
        "fontType": "Consolas",
        "textColor": "black",
        "outlineColor": "white",
        "outlineWidth": 1,
        "outlineOpacity": 0.8,
    },
)

# Add the text image to the map.
Map.addLayer(image)

#  -----------------------------------------------------------------------
#  CHECKPOINT
#  -----------------------------------------------------------------------

# Add Earth Engine dataset image = ee.Image("USGS/SRTMGL1_003") # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Chapter: F6.0 Advanced Raster Visualization # Checkpoint: F60e # Authors: Gennadii Donchyts, Fedor Baart # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # * # Draws a string as a raster image at a given point. # # @param {string} str - string to draw # @param {ee.Geometry} point - location the the string will be drawn # @param {{string, Object}} options - optional properties used to style text # # The options dictionary may include one or more of the following: # fontSize - 16|18|24|32 - the size of the font (default: 16) # fontType - Arial|Consolas - the type of the font (default: Arial) # alignX - left|center|right (default: left) # alignY - top|center|bottom (default: top) # textColor - text color string (default: ffffff - white) # textOpacity - 0-1, opacity of the text (default: 0.9) # textWidth - width of the text (default: 1) # outlineColor - text outline color string (default: 000000 - black) # outlineOpacity - 0-1, opacity of the text outline (default: 0.4) # outlineWidth - width of the text outlines (default: 0) # # Include the text package. text = require("users/gena/packages:text") # Configure map (change center and map type). Map.setCenter(0, 0, 10) Map.setOptions("HYBRID") # Draw text string and add to map. pt = Map.getCenter() scale = Map.getScale() image = text.draw("Hello World!", pt, scale) # ----------------------------------------------------------------------- # CHECKPOINT # ----------------------------------------------------------------------- image = text.draw( "Hello World!", pt, scale, { "fontSize": 32, "fontType": "Consolas", "textColor": "black", "outlineColor": "white", "outlineWidth": 1, "outlineOpacity": 0.8, }, ) # Add the text image to the map. Map.addLayer(image) # ----------------------------------------------------------------------- # CHECKPOINT # -----------------------------------------------------------------------

Display the interactive map¶

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Map

Map