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...

  • 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...

  • 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 ...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...