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s100-framework

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UpdatedApril 28, 2026 at 06:37

Expert knowledge of the IHO S-100 Universal Hydrographic Data Model (Edition 5.2.1). Covers Parts 1–10: data model, feature catalogues (ISO 19110), portrayal catalogues, exchange sets (CATALOG.XML), HDF5 encoding (Part 10c), GML encoding (Part 10b), ISO 8211 encoding (Part 10a), and the Lua-based portrayal engine (Part 9A). USE FOR: S-100 framework questions, exchange set layout, CATALOG.XML schema, feature/portrayal catalogue structure, cross-product concerns, changes to EncDotNet.S100.Core, EncDotNet.S100.ExchangeSets, EncDotNet.S100.Features, EncDotNet.S100.Portrayals, or EncDotNet.S100.Specifications, choosing an encoding for a new product, designing pipeline abstractions. DO NOT USE FOR: a single product spec (use s101-enc, s102-bathymetry, s104-water-level, s111-surface-currents, s124-nav-warnings, s129-ukc, or s421-route-plans).

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philliphoff/EncDotNet.S100

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SKILL.md

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name

s100-framework

description

S-100 framework expert

When engaged

Tasks touching src/EncDotNet.S100.Core/**, src/EncDotNet.S100.ExchangeSets/**, src/EncDotNet.S100.Features/**, src/EncDotNet.S100.Portrayals/**, src/EncDotNet.S100.Specifications/**
Cross-product feature work (a change that affects more than one S-10x dataset library)
Exchange set discovery, CATALOG.XML, asset source design
Adding support for a new S-10x product

Spec anchors

Canonical: S-100 Edition 5.2.1 — docs/specs/S-100 Ed 5.2.1_FINAL.pdf (markdown extract under docs/specs/s100/ when available)
Part 1: General principles
Part 3: General Feature Model (GFM)
Part 5: Feature Catalogue (ISO 19110)
Part 8: Coverages
Part 9 / 9A: Portrayal (XML catalogue + Lua rules)
Part 10a: ISO 8211 encoding
Part 10b: GML encoding
Part 10c: HDF5 encoding
Part 17: Exchange Sets

Review checklist

Does the change respect the abstraction-first pattern? Concrete I/O (PureHdfFile, MoonSharpLuaEngine, FileSystemAssetSource, ZipAssetSource) stays behind interfaces in EncDotNet.S100.Core.
New product support: is it added as EncDotNet.S100.Datasets.Sxxx following the existing layout (Reader → Source → Pipeline plumbing)?
Does it pick the correct pipeline shape — coverage (ICoverageSource) for gridded products or vector (IVectorSource + IVectorPortrayalCatalogue) for feature-based products?
Bundled spec assets land under src/EncDotNet.S100.Specifications/content/<SXXX>/ and are exposed via Specification.OpenFeatureCatalogueAsync / Specification.CreatePortrayalCatalogueSource.
Exchange set parsing changes preserve compatibility with both ZIP and filesystem asset sources.
New public APIs have XML doc comments and xunit tests (use SkippableFact when real data files are required).

Known pitfalls in this repo

Do not assume an exchange set is a ZIP — both ZIP and directory layouts must work via IAssetSource.
Feature catalogues use ISO 19110 namespaces; do not hand-roll XML parsing — extend EncDotNet.S100.Features instead.
Portrayal catalogues differ in shape between vector products (Lua rules) and coverage products (palette/colour tables); keep these paths separate.

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philliphoff/EncDotNet.S100

Expert knowledge of IHO S-122 Marine Protected Areas Product Specification (Edition 2.0.0). Covers GML encoding (S-100 Part 10b) over the S-100 GML base, the S-122 application schema (marine protected areas, restricted areas, regulated areas, and associated text placement), and the XSLT-based portrayal pipeline. USE FOR: S-122 datasets, marine protected areas, restricted/regulated areas, GML parsing for S-122, XSLT portrayal of S-122, vector pipeline changes affecting S-122, S122DatasetReader / S-122 reader/source code, S-122 tests, edits to bundled `content/S122/**` assets. DO NOT USE FOR: S-127 marine resources and services (use s127-marine-services), S-124 nav warnings (use s124-nav-warnings), S-125 AtoN (use s125-aton), S-101 ENC (use s101-enc), generic GML / framework concerns (use s100-framework).

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s104-water-level

philliphoff/EncDotNet.S100

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philliphoff/EncDotNet.S100

Expert knowledge of IHO S-102 Bathymetric Surface Product Specification (HDF5-encoded depth/uncertainty grids). Covers BathymetryCoverage groups, Group_F feature codes, depth/uncertainty dataset shapes, NODATA fill value handling (1,000,000f), tiling, georeferencing attributes, CRS conventions (often UTM), and the depth-shading portrayal palette. USE FOR: S-102 datasets, bathymetric grids, depth surfaces, uncertainty grids, HDF5 bathymetry, BathymetryCoverage, CoverageCell layout, depth shading, S102DatasetReader, S102CoverageSource, S102PortrayalCatalogue, PC-driven Lua portrayal, adding S-102 features, reviewing for S-102 spec compliance, RenderS102 tool changes. DO NOT USE FOR: S-104 water levels (use s104-water-level), S-111 currents (use s111-surface-currents), generic HDF5 access (use s100-framework).

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philliphoff/EncDotNet.S100

Expert knowledge of IALA S-201 Aids to Navigation Information Product Specification (Edition 2.0.0, May 2025; aligned with S-100 Ed 5.2.0). Covers GML encoding (S-100 Part 10b) on the S-100 GML 5.0 profile, the S-201 application schema (62 feature types — buoys, beacons, lights, AIS aids, structures, equipment, aggregations), the 4 information types (AtoNFixingMethod, AtonStatusInformation, PositioningInformation, SpatialQuality), xlink-based information bindings, the equipment-on-structure `parent`/`child` xlink relationship, and the XSLT-based portrayal pipeline (`main_PaperChart.xsl`). USE FOR: S-201 datasets, AtoN-authority data exchange, GML parsing for S-201, XSLT portrayal of S-201, vector pipeline changes affecting S-201, S-201 reader/source code, S-201 tests. DO NOT USE FOR: ECDIS-facing AtoN portrayal (use s125-aton — the ECDIS-facing AtoN spec is **S-125, not S-201**), S-101 ENC AtoN feature classes (use s101-enc), S-124 navigational warnings (use s124-nav-warnings), generic GML (use s100-framework

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name

s100-framework

description

S-100 framework expert

When engaged

Tasks touching src/EncDotNet.S100.Core/**, src/EncDotNet.S100.ExchangeSets/**, src/EncDotNet.S100.Features/**, src/EncDotNet.S100.Portrayals/**, src/EncDotNet.S100.Specifications/**
Cross-product feature work (a change that affects more than one S-10x dataset library)
Exchange set discovery, CATALOG.XML, asset source design
Adding support for a new S-10x product

Spec anchors

Canonical: S-100 Edition 5.2.1 — docs/specs/S-100 Ed 5.2.1_FINAL.pdf (markdown extract under docs/specs/s100/ when available)
Part 1: General principles
Part 3: General Feature Model (GFM)
Part 5: Feature Catalogue (ISO 19110)
Part 8: Coverages
Part 9 / 9A: Portrayal (XML catalogue + Lua rules)
Part 10a: ISO 8211 encoding
Part 10b: GML encoding
Part 10c: HDF5 encoding
Part 17: Exchange Sets

Review checklist

Does the change respect the abstraction-first pattern? Concrete I/O (PureHdfFile, MoonSharpLuaEngine, FileSystemAssetSource, ZipAssetSource) stays behind interfaces in EncDotNet.S100.Core.
New product support: is it added as EncDotNet.S100.Datasets.Sxxx following the existing layout (Reader → Source → Pipeline plumbing)?
Does it pick the correct pipeline shape — coverage (ICoverageSource) for gridded products or vector (IVectorSource + IVectorPortrayalCatalogue) for feature-based products?
Bundled spec assets land under src/EncDotNet.S100.Specifications/content/<SXXX>/ and are exposed via Specification.OpenFeatureCatalogueAsync / Specification.CreatePortrayalCatalogueSource.
Exchange set parsing changes preserve compatibility with both ZIP and filesystem asset sources.
New public APIs have XML doc comments and xunit tests (use SkippableFact when real data files are required).

Known pitfalls in this repo

Do not assume an exchange set is a ZIP — both ZIP and directory layouts must work via IAssetSource.
Feature catalogues use ISO 19110 namespaces; do not hand-roll XML parsing — extend EncDotNet.S100.Features instead.
Portrayal catalogues differ in shape between vector products (Lua rules) and coverage products (palette/colour tables); keep these paths separate.