Courtney Whalen
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Activity overview
Latest activity by Courtney Whalen-
Courtney Whalen created an article,
Spark Configuration and Tuning
RasterFrames is built on Apache Spark, which is an open source, distributed computing engine for processing large amounts of data. A RasterFrame is a Spark DataFrame that contains imagery. In t...
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Courtney Whalen created an article,
Read in Scenes from a Raster Catalog Using Rasterio
This article describes how to read in image scenes from the EarthAI Catalog into Numpy arrays using Rasterio. In a previous article, we discussed how to query imagery data using the EarthAI Cat...
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Courtney Whalen created an article,
Read in Scenes from a Raster Catalog into a RasterFrame
This article describes how to read in image scenes from the EarthAI Catalog into a RasterFrame. In a previous article, we discussed how to query imagery data using the EarthAI Catalog API. Now ...
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Courtney Whalen created an article,
Masking MODIS MOD/MYD13A1 (VI) Using RasterFrames
This example demonstrates how to mask the MODIS Vegetation Indices data collection. There are 2 datasets in this collection. MOD13A1 is from the Terra satellite and MYD13A1 is from the Aqua sat...
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Courtney Whalen created an article,
Masking Sentinel-2 L1C Using RasterFrames
This example demonstrates how to mask Sentinel-2 Level-1C imagery. It runs through the steps of 1) acquiring imagery scenes from the EarthAI Catalog, 2) reading and converting the cloud mask ve...
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Courtney Whalen created an article,
Create a New Tile Column from Conditional Statements Using RasterFrames
This example demonstrates how to create a new tile column from conditional statements using RasterFrames. It runs through the steps of 1) acquiring imagery scenes from the EarthAI Catalog, 2) u...
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Courtney Whalen created an article,
Ipyleaflet
Ipyleaflet is a Python library installed in all EarthAI Notebook instances. Ipyleaflet allows users to visualize their geospatial datasets on slippy maps (similar to Folium). The following is an e...
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Courtney Whalen created an article,
Folium
Folium is a Python library installed in all EarthAI Notebook instances. Folium allows users to visualize their geospatial datasets on slippy maps (similar to ipyleaflet). The following is an excer...
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Courtney Whalen created an article,
Shapely
Shapely is a Python library installed in all EarthAI Notebook instances. Shapely handles processing and manipulating vector data. The following is an excerpt from Shapely's documentation describin...
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Courtney Whalen created an article,
Writing Image Chips to PNG Files
In a previous article, we introduced the spark.read.chip function for reading in subsets of scenes from Earth observation data, and in another article, we showed how to write out chips in GeoTI...