David Hemphill
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Articles
Votes on activity by David Hemphill-
Change Monitoring Release Notes - February 2021
New Features Add popup display to AOI search map with a link to the AOI details page. Geographic filtering from AOI search page using map extents. Enhancements Increased the frequency of checkin...
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Change Monitoring Release Notes - January 2021
New Features Tasking from Change Monitoring Console Users with tasking permissions now have the ability to place tasking orders directly from a Change Monitoring AOI. Select "Add Tasking Reques...
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Change Monitoring Release Notes - December 2020
Area of Interest Screenshot Note: Light colored grayscale image (left) is Sentinel-1 with upgraded visualization. The darker grayscale image (center) is a Capella SAR stripmap. The timeline mouse h...
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Change Monitoring Release Notes - November 2020
New Features We now display the Sentinel-1 images used to generate the result are displayed on the timeline for the selected result. This allows better transparency as to the acquisition dates and...
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API: Specifying a Version for the Analytics API
The Analytics API supports versioning to allow time to adjust for upgrades that might break existing implementations. Capella maintains two API versions: Current (most recent) Previous Version n...
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Change Monitoring Release Notes - October 2020
ENHANCEMENT: Capella VHR Imagery Integrated Capella VHR data is now available to Change Monitoring AOIs. Data is automatically retrieved from the catalog based on the AOI boundary. Individual colle...
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API: Open API Docs for Analytics
OpenAPI Documents are located here. Authentication and Entitlement access is located here.
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API: Downloading Analytic products using the API
Analytic products are available as GeoTIFF images. There are a number of image "assets" produced each time the analytic algorithms run. Each product contains the following assets. Note: the term "a...
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Active, Paused, and Archived AOIs
AOI's are managed using different states: Active Paused Archived Active and Paused Active AOIs continuously generate new Sentinel-1 based change results as data becomes available. To prevent AOIs...
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Sentinel-1 based Continuous Change Monitoring
Continuous Change Monitoring automatically generates new change results for an active Area of Interest (AOI) as data becomes available. For Sentinel-1 based change detection results, a new set of c...