Subterranean TMAT water table deficit cylinder model #77

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opened 2026-10-14 22:28:43 +00:00 by yuris · 0 comments

yuris commented

2026-10-14 22:28:43 +00:00

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What to build

Create the calculation engine in src/lib/domain/tmat-3d.ts to model 3D subterranean cylinder dimensions from groundwater sensor telemetry. Translate negative water table readings into subsurface depth vectors and risk severity indices.

Technical specifications

Target files:
- src/lib/domain/tmat-3d.ts: 3D deficit model functions.
- src/lib/domain/__tests__/tmat-3d.test.ts: Vitest test suite.
Formulas:
- Surface level: water_table_cm >= 0.
- Subterranean drought depth: Math.abs(water_table_cm) * vertical_scale_factor.
- Critical flag: water_table_cm < -40.0.

Acceptance criteria

Computes exact vertical extrusion metrics from sensor reading.
Flags critical subterranean drought points deterministically.

Authoritative Specifications & Reference Documentation

Titik Gambut Architecture & Subsystem Contract: docs/ARCHITECTURE.md
Peraturan Pemerintah No. 71/2014 jo PP 57/2016: PP 71/2014 & PP 57/2016 — Indonesian statutory standard mandating peat water table depth >= -0.4m (-40 cm).
BRGM Real-Time Peat Groundwater (TMAT) Sensors: PRIMS TMAT Monitoring — Telemetry groundwater data.
BIG DEMNAS National Digital Elevation Model: Ina-Geoportal DEMNAS — 0.27 arc-second seamless national elevation mesh.
MapLibre GL JS Terrain 3D Spec: MapLibre 3D Terrain — Hardware-accelerated client elevation.

### What to build Create the calculation engine in `src/lib/domain/tmat-3d.ts` to model 3D subterranean cylinder dimensions from groundwater sensor telemetry. Translate negative water table readings into subsurface depth vectors and risk severity indices. ### Technical specifications 1. **Target files**: - `src/lib/domain/tmat-3d.ts`: 3D deficit model functions. - `src/lib/domain/__tests__/tmat-3d.test.ts`: Vitest test suite. 2. **Formulas**: - Surface level: `water_table_cm >= 0`. - Subterranean drought depth: `Math.abs(water_table_cm) * vertical_scale_factor`. - Critical flag: `water_table_cm < -40.0`. ### Acceptance criteria - [ ] Computes exact vertical extrusion metrics from sensor reading. - [ ] Flags critical subterranean drought points deterministically. --- ### Authoritative Specifications & Reference Documentation - **Titik Gambut Architecture & Subsystem Contract**: [`docs/ARCHITECTURE.md`](https://git.nokopia.com/yuris/titik-gambut-next/src/branch/main/docs/ARCHITECTURE.md) - **Peraturan Pemerintah No. 71/2014 jo PP 57/2016**: [PP 71/2014 & PP 57/2016](https://peraturan.bpk.go.id/Details/41517/pp-no-71-tahun-2014) — Indonesian statutory standard mandating peat water table depth >= -0.4m (-40 cm). - **BRGM Real-Time Peat Groundwater (TMAT) Sensors**: [PRIMS TMAT Monitoring](https://prims.brgm.go.id/) — Telemetry groundwater data. - **BIG DEMNAS National Digital Elevation Model**: [Ina-Geoportal DEMNAS](https://tanahair.indonesia.go.id/demnas/) — 0.27 arc-second seamless national elevation mesh. - **MapLibre GL JS Terrain 3D Spec**: [MapLibre 3D Terrain](https://maplibre.org/maplibre-gl-js/docs/examples/3d-terrain/) — Hardware-accelerated client elevation.

yuris added this to the 3D Subsurface & Atmospheric Physics Engines (Backend) milestone

2026-10-14 22:28:43 +00:00

yuris added the

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2026-10-14 22:28:43 +00:00

yuris changed title from ~~Issue 64: [Backend] Subterranean TMAT water table deficit cylinder model~~ to [Backend] Subterranean TMAT water table deficit cylinder model

2026-10-14 22:31:23 +00:00

yuris changed title from ~~[Backend] Subterranean TMAT water table deficit cylinder model~~ to Subterranean TMAT water table deficit cylinder model

2026-10-14 22:38:29 +00:00

yuris referenced this issue from a commit

2026-10-15 04:42:43 +00:00

feat(domain): add concession card, canal risk factor engine, and 3D TMAT subterranean deficit model (#53, #56, #77)

yuris referenced this issue

2026-10-15 04:42:53 +00:00

feat(map): tactical response dispatch, canals layer, corporate accountability, and 3D TMAT model (#53, #56, #57, #63, #64, #77) #116

yuris referenced this issue from a commit

2026-10-15 04:52:50 +00:00

feat(map): tactical response dispatch, canals layer, corporate accountability, and 3D TMAT model (#53, #56, #57, #63, #64, #77) (#116)

yuris closed this issue

2026-10-15 04:53:35 +00:00