8000 Validate topology of AOI for the Partial Download Tool · Issue #2671 · NCEAS/metacatui · GitHub
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Validate topology of AOI for the Partial Download Tool #2671

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shirlysteph opened this issue Apr 21, 2025 · 0 comments
Open

Validate topology of AOI for the Partial Download Tool #2671

shirlysteph opened this issue Apr 21, 2025 · 0 comments
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@shirlysteph
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ADC CI-08 Data extraction and citation services for big data (ADC deliverable) arctic data center bug cesium map download Allowing users to download geospatial data directly the map. Inclues changes to theDownloadPanelView pdg Permafrost Discovery Gateway portals Anything related to portals

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@shirlysteph
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Validate topology of AOI for the Partial Download Tool. Prevent users from drawing invalid geometries (like self-intersecting polygons)

Implementation Plan

Implement topology checks on the client-side (in the browser) using Turf.js for geometry validation.

  1. Install or load Turf.js
    <script src="https://cdn.jsdelivr.net/npm/@turf/turf@6/turf.min.js"></script>
  2. Check for self-intersections 
     function isValidPolygon(polygon) {
  const kinks = turf.kinks(polygon);
  return kinks.features.length === 0;
}
  3. If the AOI is invalid prompt the user about the error, and do not add the polygon to the map.
@shirlysteph shirlysteph added bug portals Anything related to portals arctic data center ADC CI-08 Data extraction and citation services for big data (ADC deliverable) labels Apr 21, 2025
@shirlysteph shirlysteph self-assigned this Apr 21, 2025
@shirlysteph shirlysteph mentioned this issue Apr 21, 2025
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@robyngit robyngit added pdg Permafrost Discovery Gateway cesium labels Apr 23, 2025
@robyngit robyngit added the map download Allowing users to download geospatial data directly the map. Inclues changes to theDownloadPanelView label Apr 23, 2025
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@shirlysteph shirlysteph

Labels
ADC CI-08 Data extraction and citation services for big data (ADC deliverable) arctic data center bug cesium map download Allowing users to download geospatial data directly the map. Inclues changes to theDownloadPanelView pdg Permafrost Discovery Gateway portals Anything related to portals
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