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Instructor's Script: Planet API 101 Workshop

1. Introduction to Planet Products

  • Goal: Provide an overview of the products offered by Planet, including Planetscope, SkySat Archive, and SkySat Tasking.

Instructor Notes:

  • Highlight Key Products:

    • Planetscope: Daily imaging capabilities with medium-resolution imagery.
    • SkySat Archive: High-resolution satellite imagery; archive data covers several years.
    • SkySat Tasking: Tasked satellite imagery for specific, high-priority locations.

  • Use Cases: Share a few real-world examples where these products are used for agricultural monitoring, disaster response, or urban planning.

Activity: Open the Planet Explorer to show a live example of product coverage in a specific area.

  • Tip: Use San Francisco or another well-known region to show Planetscope imagery.
  • Additional Information: Mention that SkySat tasking is used when users need customized, high-resolution data for dynamic events.

2. Introduction to Planet Explorer (Searching, Previewing, and Ordering Imagery)

  • Goal: Show participants how to use the Planet Explorer GUI to search, preview, and order imagery.

Instructor Notes:

  • Demo Features:

    • Walk through searching by area of interest (AOI) using bounding boxes or polygons.
    • Show participants how to apply filters like date range, cloud cover, and product types.
    • Demonstrate how to preview imagery in Planet Explorer.
    • Explain how imagery ordering works, especially for new users unfamiliar with data access.

  • Additional Highlights:

    • Emphasize the cloud coverage filter to help participants narrow down clear images.
    • Mention the “Order to Download” feature for immediate access once the imagery is processed.

Activity:

  • Live Search Exercise: Ask participants to choose an AOI (e.g., their hometown or a region of interest) and guide them through the search, preview, and ordering steps.

3. Introduction to the Basemaps Viewer and Using XYZ Tiles

  • Goal: Explain the utility of Planet’s basemap services and how to use them in external platforms through XYZ tiles.

Instructor Notes:

  • Basemaps Overview: Basemaps are seamless mosaics built from daily satellite imagery, ideal for long-term monitoring.

  • Demonstrate XYZ Tile Usage:

    • Explain what XYZ tiles are and how they integrate into web apps or GIS platforms.
    • Show how to obtain and use XYZ tile URLs for projects like QGIS or Leaflet-based web maps.

Activity:

  • Hands-On with QGIS: Show how to load Planet’s basemaps using XYZ tiles into QGIS or demonstrate how it can be embedded in a web map using Leaflet.js or Mapbox.

4. Introduction to Planet API and SDK Using Python Notebooks (Lake Lagunita Exercise)

  • Goal: Introduce the Planet API and SDK for programmatic access to satellite data. Guide participants through the Lake Lagunita Python Notebook to showcase practical usage.

Instructor Notes:

  • API and SDK Basics:
    • Explain what the Planet API is: a tool that allows users to search, download, and analyze satellite imagery programmatically.
    • Cover SDK basics, including authentication and how the API integrates with Python.

Lake Lagunita Notebook Exercise:

  • Setup: Ensure participants have their API keys and Python environments ready.

  • Walk through the Lake Lagunita example notebook:

    • Querying the API: Guide users to query Planetscope imagery over Lake Lagunita, showing how to filter results based on cloud cover and date range.
    • Downloading Data: Show participants how to download imagery metadata and actual data.
    • Visualization: Use Matplotlib to visualize the imagery and discuss how to analyze different spectral bands.

  • Additional Highlights:

    • Discuss filtering by AOI, cloud coverage, and date range.
    • Emphasize how to use Jupyter Notebooks for iterative analysis.

Activity:

  • Notebook Hands-On: Have participants run the Lake Lagunita notebook on their local machines. Encourage them to tweak the AOI and date ranges to observe different imagery outputs.

5. Overview of Support Resources

  • Goal: Provide a guide to available support and resources for continued learning.

Instructor Notes:

  • Planet University: Highlight the extensive resources available through Planet University for self-paced learning.
  • Stanford Geospatial Center Support: Mention any specific support channels or documentation available via the SGC.
  • Planet Community Forum: Encourage participants to join the Planet Community for peer support and networking.

Closing Remarks:

  • Tip: Remind participants to explore further using Planet’s API documentation and the Python SDK for custom integrations.
  • Encouragement: Highlight the flexibility of Planet’s products and APIs for a wide range of applications in environmental monitoring, urban planning, and more.