DHI.Platform.SDK.Spatial 4.0.0

• .NETStandard 2.0

  • DHI.EUM (>= 23.0.3)
  • DHI.Platform.SDK (>= 4.0.0)
  • DHI.WaterData.GIS.Converters (>= 1.1.1)
  • DHI.WaterData.Models.Serialization (>= 1.1.0)
  • NetTopologySuite.IO.GeoJSON (>= 4.0.0)

• net10.0

  • DHI.EUM (>= 23.0.3)
  • DHI.Platform.SDK (>= 4.0.0)
  • DHI.WaterData.GIS.Converters (>= 1.1.1)
  • DHI.WaterData.Models.Serialization (>= 1.1.0)
  • NetTopologySuite.IO.GeoJSON (>= 4.0.0)

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October 13, 2026 Release 4.0.0

- BREAKING (behavioral): `MeshOutput.Elements` / `MeshOutput.Nodes` will now always deserialize as empty/null. The underlying Multidimensional service no longer emits mesh element/node data for the spatial domain output (its `SpatialDomainOutput` schema is not abstract server-side, so the discriminated `MeshOutput` subtype is never reachable) - this is a server-side limitation, not an SDK regression, and no replacement endpoint currently exists
- Multi-target `net10.0` in addition to `netstandard2.0`
- Complete nullable reference type annotations across all public API surfaces (no remaining oblivious types)
- Fix `NonequidistantGrid2DOutput` node-aligned element geometry using the X coordinates for the Y axis
- Fix `IGISClient.GetCoordinateSystemListAsync` returning `null` instead of an empty collection when the server has no data
- Behavioral: `GridElement.GetGeometry` now throws a descriptive `NotSupportedException` instead of `NullReferenceException` when the spatial domain does not provide element geometry
- Behavioral: `MeshOutput.GetGeometry` / `ToRing` now throw a descriptive `InvalidOperationException` when mesh elements, nodes or an element's node indices are unavailable or reference a missing node (previously `NullReferenceException` or a generic `ArgumentOutOfRangeException`), and an `ArgumentOutOfRangeException` naming the element count when `index` is outside the available elements

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June 23, 2026 Release 3.3.2

- no change

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June 10, 2026 Release 3.3.1

- no chnages
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March 10, 2026 Release 3.2.3

- no changes
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March 10, 2026 Release 3.2.2

- .net10 support
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February 4, 2026 Release 3.2.1

- no changes
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January 13, 2026 Release 3.2.0

- TimeOnlyQueryCondition query option

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April 1, 2025 Release 3.1.6

- Optimized memory demand of GISClient.QueryFeaturesAsync

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March 12, 2025 Release 3.1.5

- Update DHI.EUM to version 23.0.3

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January 22, 2025 Release 3.1.4

- Update of vulnerable packages

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November 26, 2024 Release 3.1.3

- extended MultidimensionalClient with Query3DTimeseries

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September 18, Release 3.1.2

- no changes

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July 24, 2024 Release 3.1.1

- Bug 91726: SDK | MD | SpatialDomain element's geometry is null
- Bug 93715: SDK | MD | MeshDomain ElementCount returns always 0

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June 4, 2024 Release 3.1.0

- Removal of vulnerabilities
- Vertical Datum Shift

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May 4, 2023 Release 3.0.1

- Fixed failure when passing GIS FeatureClass without any parameters by updating `DHI.WaterData.GIS.Converters` dependency to version 1.1.1

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June 22, 2022 Release 2.3.3

- Reworked and fixed means of extracting mesh elements and nodes from mesh domain spatial output

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March 8, 2022 Release 2.3.0

- Changes in IGISClient QueryFeatureClassAsync
- GIS Spatial Query with transformation fix
- Support get the nearest geometry in a GIS layer from an input geometry

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November 26, 2021 Release 2.2.0

- Using nuget.org for DHI packages

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November 5, 2021 Release 2.1.0

- Nuget available on nuget.org

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August 20, 2021 Release 2.0.0

- SDK is now split into two packages: DHI.Platform.SDK and DHI.Platform.SDK.Spatial. In order to use both packages, install nuget packages and initialize the SDK in your DI container, for example:

   collection.AddPlatformClients(o =>
   {
       /* your initialization code here */
   })
   .AddPlatformSpatialClients();

- The main reason for splitting the packages was to remove dependency on NetTopologySuite package from the main SDK package

- Services covered in DHI.Platform.SDK.Spatial package:
   - IGISClient: exposes the GIS service, see https://develop.mike-cloud.com/docs/API/GIS/GIS-overview/
   - IMultidimensionalService: exposes the multidimensional service, see https://develop.mike-cloud.com/docs/API/Multidimensional-service/MDOverview/