DholeraMap.com

Interactive Cadastral GIS Atlas & Spatial Linework Engine for Dholera Smart City

Sub-millisecond Web Worker parcel hit-testing, WebP tile pyramids & DGDCR 2024 regulatory intelligence for 18,161 parcels across TP 1–6.

Explore Live Atlas • The Real-World Problem • Core Engineering Innovations • System Architecture • Technical Specifications • Test Suite (138/138) • Portfolio & Showcase

🌟 What DholeraMap Actually Is

DholeraMap.com is an open-access interactive GIS intelligence platform built specifically for the Dholera Special Investment Region (DSIR) in Gujarat, India — India's premier greenfield smart city (~920 sq km) within the Delhi-Mumbai Industrial Corridor (DMIC) and home to the nation's semiconductor hub, anchored by the ₹91,000 Cr Tata Electronics Semiconductor Mega-Fab.

The Real-World Problem

Official Town Planning (TP) statutory blueprints, revenue village maps, and reconstitution records for Dholera's 6 Town Planning schemes (TP 1 through TP 6) were scattered across gigabytes of unindexed government raster scans, fragmented PDF gazettes, and complex CAD linework. Landowners, brokers, and institutional investors had no unified way to:

Reconstitution Cross-Referencing: Search an agricultural Revenue Survey Number and immediately verify what Final Plot (FP) it was reconstituted into under the Gujarat Town Planning and Urban Development Act.
Statutory Linework & Setbacks: Inspect the exact statutory road width (12m–70m) abutting their plot to establish building eligibility.
Automated Regulatory Compliance: Calculate permissible Floor Space Index (Base FSI & Chargeable FSI), maximum ground coverage, and mandatory setbacks under the DGDCR 2024 development control regulations.
Valuation & Due Diligence: Query official government Jantri benchmark circle rates for rapid real estate diligence.

DholeraMap organizes, georeferences, and digitizes 18,161 statutory cadastral parcels across 22 revenue villages, serving them smoothly in the browser on both mobile and desktop.

📸 Platform Capabilities & Key Spatial Domains

Town Planning (TP 1 through TP 6) Linework: High-fidelity digitization of all 6 statutory Town Planning schemes.
Anchor Hubs & Industrial Zones: Immediate spatial identification of key infrastructure, including the ₹91,000 Cr Tata Semiconductor Mega-Fab and Dedicated Heavy Industrial Corridors.
Expressway & International Airport Spines: Overlay alignment along the 109 km Ahmedabad-Dholera Expressway and the upcoming Dholera International Airport (DIACL).
Revenue Survey Records & Jantri Due Diligence: Direct reconciliation of AnyRoR agricultural records with re-constituted urban plots and circle rates.

⚡ Deployment & Integration Status

System Component	Status	Environment	Architectural Details
Cadastral Vector GIS Atlas	🟢 Production Live	`dholeramap.com`	18,161 parcels across TP 1–6 and 22 revenue villages. HTML5 Canvas acceleration (`preferCanvas: true`).
DGDCR 2024 Bye-Laws Compiler	🟢 Production Live	`dholeramap.com`	Real-time FAR, setbacks, and height clearance computation across residential/commercial corridors.
15-Page Dossier PDF Engine	🟢 Production Live	`dholeramap.com`	Pure serverless binary stream vector typesetting via `pdf-lib` (<180ms execution, zero Chromium cold-starts).
RFC Agent Discovery Gateway	🟢 Production Live	`dholeramap.com`	RFC 9727 API Linksets, RFC 8288 headers, RFC 8414 OAuth metadata, and dense Markdown content negotiation.
WCAG 2.1 AA Accessibility	🟢 Production Live	`dholeramap.com`	5.5px outdoor glare stroke, colorblind-safe vector palettes, bilingual skip links, Gujarati (`gu-IN`) TTS.
Anti-Abuse Trial Defense & Auth	🟢 Production Live	`dholeramap.com`	Server-authoritative 24h trial state machine, disposable email blocker, Razorpay HMAC-SHA256 signatures.
High-Resolution Satellite GIS Layer	🟡 Active Local Beta	`localhost`	Beta Integration Setting: Live satellite imagery, dual-pane orthorectification, and GPU blending are active on `localhost`. Currently undergoing tile caching, bandwidth compression, and mobile touch optimization before edge production rollout.

⚡ Core Engineering Innovations

1. The Bottleneck: Why Traditional GeoJSON Crashes Browsers

Shipping 18,161 complex parcel boundary polygons as traditional GeoJSON requires 50MB+ of raw JSON, causing severe browser memory spikes (>350MB), 2–3 second JSON parse freezes, and dropped animation frames whenever attaching mouse event handlers to thousands of DOM SVG paths.

2. Custom Binary Parcel Serialization (`DPB1` / `parcels.bin`)

To eliminate JSON parse overhead entirely, parcel geometries are compiled into an optimized binary format:

Header: "DPB1" magic bytes, canvas dimensions, parcel counts, string tables, and coordinate scale factors.
Strings Table: Compact string dictionary mapping village names and plot identifiers.
44-Byte Parcel Records: Pre-computed bounding box (bbox), vertex offsets (voff), vertex count (vcount), flags, key index, and centroid coordinates.
Delta-Int32 Vertex Array: Coordinates are encoded as running sums of int32 deltas from the parcel origin, reducing coordinate payload sizes by over 80%.

3. Off-Main-Thread Web Worker Hit Testing (`parcels-worker.ts`)

When a scheme loads, the binary buffer is passed to a dedicated Web Worker using Transferable ArrayBuffers (postMessage(..., [buffer])) for zero-copy memory transfer.
The worker decodes the buffer into flat typed arrays (Uint32Array, Float32Array, Int32Array, Uint16Array).
Even-Odd Raycasting Point-in-Polygon: When a user clicks or hovers over the map canvas, coordinates are sent to the worker, which evaluates bounding boxes and executes raycasting math off the main thread.
Result: 0ms UI freeze, zero main-thread lag, and instant plot selection locked at 60 FPS.

4. Deep-Zoom Tile Pyramid (Leaflet Custom CRS & WebP)

Statutory TP scheme blueprints are sliced into multi-resolution Z-X-Y tile pyramids (/tiles/tp1/ through /tiles/tp6/) encoded as lightweight WebP tiles.
Sits on top of Leaflet with a custom coordinate reference system, giving users smooth deep-zoom exploration from macro regional scale down to individual plot boundaries without consuming excessive device memory.

5. Live Satellite Map Overlays & Dual-Pane Orthorectification (`SatelliteOverlayViewer.tsx`)

Note

Active Local Beta Status: The Satellite GIS Layer and Dual-Pane Orthorectification engine are currently running in Active Local Beta (localhost). We have isolated these features in a local sandbox while optimizing them for raster tile caching, CDN delivery speeds, and mobile touch responsiveness prior to general edge deployment.

Rather than rendering statutory cadastral blueprints in an abstract CAD vacuum, DholeraMap builds directly upon live, high-resolution satellite imagery, aligning theoretical town planning schemes with physical ground reality:

Dual-Pane Compositing Engine: Decouples rendering into two hardware-accelerated Leaflet panes:
- satellitePane (zIndex: 200): Sub-meter aerial satellite photography (Google Hybrid, Sentinel-2 temporal imagery, and Carto base layers) calibrated to maintain 100% crispness and true terrain colors.
- tpPane (zIndex: 300): Statutory Town Planning schemes (TP 1 through TP 6), Development Plan (DP 2040) zoning boundaries, and 23 revenue village perimeters.
GPU-Accelerated CSS Blend Modes & Alpha Sliders: Uses mix-blend-mode: multiply alongside interactive opacity sliders (0 to 100). Physical ground truth — such as the ₹91,000 Cr Tata Semiconductor Mega-Fab, expressway corridors, canal culverts, and agricultural field bunds — shines cleanly through statutory zoning polygons without washing out fine cadastral linework.
Sub-Centimeter Geodetic Ground Control Points (GCP): Cadastral scans are georeferenced against Dual-Frequency RTK / Differential GPS (DGPS) survey monuments tied directly to Survey of India (SOI) GTS benchmarks, projecting seamlessly into WGS 84 (EPSG:4326) and UTM Zone 43N (EPSG:32643) with sub-0.15m RMSE.
Dual-Geometry Satellite Inspection & Visual Beacons: Clicking anywhere on the live satellite canvas drops a high-visibility locator beacon and queries /api/gis/explore, instantly rendering:
- Emerald Green Dashed Vector (#22c55e): The ancestral agricultural Revenue Survey Number boundary.
- Vivid Red Solid Vector (#ef4444): The reconstituted statutory Final Plot (FP) boundary.
Field Geodesic Ruler & Live GPS Beacon: Integrated polyline geodesic distance calculation (isMeasuring) and live GPS positioning allow surveyors and investors to conduct on-site field verifications directly from a smartphone browser.

6. OP to FP (Original Plot to Final Plot) Reconstitution Engine

Town Planning in Gujarat reconstitutes raw agricultural holdings (Original Plots / OP) into developed, accessible urban plots (Final Plots / FP) with statutory land deductions for public roads and infrastructure. DholeraMap indexes OP → FP reconstitution mappings, enabling instantaneous cross-referencing for landowners and legal due diligence teams.

7. DGDCR 2024 & Jantri Valuation Rules Engine

Embeds statutory development controls from the Dholera Comprehensive General Development Control Regulations (DGDCR 2024):

Computes permissible Base FSI and Chargeable FSI based on statutory road width.
Maximum permissible ground coverage and mandatory front/rear/side setbacks.
Government Jantri circle rate valuations across Residential, Commercial, Industrial, and Knowledge & IT zones.

8. High-Performance Serverless Vector PDF Engine (<180ms)

Architected a zero-browser vector typesetting engine using pdf-lib and @pdf-lib/fontkit. Compiles dynamic DGDCR zoning diagrams, AnyRoR statutory cross-checks, and custom Unicode currency glyphs (₹) directly into raw binary streams in < 180ms, replacing heavy 5-second headless Chromium Puppeteer instances.

9. Machine-First Content Negotiation for Autonomous AI Agents

When AI agents or automated bots navigate DholeraMap with Accept: text/markdown, edge middleware intercepts requests and streams dense, semantic Markdown instead of bloated HTML layouts. Any route also supports direct .md extensions (e.g. /guide.md, /pricing.md), saving over 84% in prompt tokens.

10. Field-Tested Usability & WCAG 2.1 AA Compliance under Harsh Sun

Outdoor Glare Stroke Boost: Dynamic high-contrast toggle elevating vector strokes to 5.0px – 5.5px for readability under blinding midday sunlight.
Colorblind-Safe Palettes: High-contrast Cyan (#0284c7) and Orange (#ea580c) vector boundaries for Deuteranopia/Protanopia readability.
Gujarati (gu-IN) Voice Synthesis: Integrated Web SpeechSynthesis API to pronounce plot numbers, areas, and zoning parameters aloud in Gujarati.

🏗️ System Architecture

flowchart TD
  subgraph BrowserMain ["Browser Main Thread (Next.js 15 UI)"]
    UI["UI Layer / Tailwind CSS / Radix HUD"]
    LeafletContainer["Leaflet Map Engine"]
    Reticle["Visual Beacon & Hover Marker"]
    Ruler["Geodesic Distance Ruler"]
    Search["Survey & Final Plot Search Index"]
  end

  subgraph DualPanes ["Dual Leaflet Hardware Panes"]
    SatPane["satellitePane (zIndex: 200)<br/>Sub-meter Aerial Photography"]
    TpPane["tpPane (zIndex: 300)<br/>mix-blend-mode: multiply & Opacity Slider"]
  end

  subgraph WebWorker ["Dedicated Web Worker (Background Thread)"]
    DecodedState["Flat Typed Arrays (Int32Array, Float32Array)"]
    BBoxCheck["Bounding Box Spatial Culling"]
    Raycast["Even-Odd Raycasting Point-in-Polygon"]
  end

  subgraph StaticAndLiveAssets ["Data, Tile & Satellite Sources"]
    SatStream["Live Satellite Stream (Google Hybrid / Sentinel-2 / Carto)"]
    TilePyramid["Z-X-Y WebP Tile Pyramids (/tiles/tp1-6/)"]
    BinaryParcels["parcels.bin (DPB1 Delta-Int32 Format)"]
    ExploreAPI["/api/gis/explore (Reverse Spatial Geocoding)"]
  end

  LeafletContainer --> SatPane
  LeafletContainer --> TpPane
  SatStream --> SatPane
  TilePyramid --> TpPane
  UI -->|"Load Scheme"| BinaryParcels
  BinaryParcels -->|"Zero-Copy ArrayBuffer Transfer"| WebWorker
  WebWorker --> DecodedState
  LeafletContainer -->|"Click / Hover (x, y)"| WebWorker
  WebWorker --> BBoxCheck
  BBoxCheck --> Raycast
  Raycast -->|"Instant Hit (FP ID, Centroid)"| BrowserMain
  LeafletContainer -->|"Map Click (Lat, Lng)"| ExploreAPI
  ExploreAPI -->|"Green Survey + Red FP Polygons"| TpPane
  BrowserMain --> Reticle
  BrowserMain --> Ruler
  Search --> UI

🛠️ Technical Specifications & Engineering Decisions

Dimension	Engineering Decision	Rationale
Framework	Next.js 15 (App Router) + TypeScript 5 (Strict)	Strong typing across parcel schemas, DGDCR regulatory constants, and fast server-rendered metadata for SEO.
Geometry Engine	Custom `DPB1` Delta-Int32 Binary	Eliminates 50MB+ GeoJSON bloat, cutting download payload by >80% and avoiding main-thread JSON deserialization delays.
Spatial Hit Testing	Web Worker Raycasting	Decouples spatial math from the UI render loop; mouse moves and clicks never cause dropped animation frames.
Satellite Overlay Engine	Dual-Pane Compositing & CSS `mix-blend-mode: multiply`	Superimposes statutory cadastral linework and DP 2040 zoning over high-resolution live satellite imagery without obscuring ground truth. (Active Local Beta)
Geodesic Alignment	WGS 84 (EPSG:4326) / UTM Zone 43N with RTK-DGPS GCPs	Eliminates scan distortion with sub-centimeter calibration tied to Survey of India GTS benchmarks.
Map Viewer	Leaflet with Custom Coordinate Projection	Ultra-stable 60fps pan/zoom across multi-resolution raster tile pyramids on mobile and low-spec laptops.
Regulatory Engine	DGDCR 2024 Rules Engine	Instant calculation of permissible FSI and setbacks based on statutory road widths and zone classifications.
Reconstitution	OP → FP Indexing	Bridges the critical gap between revenue agricultural survey numbers and town planning reconstituted plots.
Document Synthesis	Pure Serverless `pdf-lib` + `fontkit`	Generates 15-page legal dossiers in <180ms with custom Rupee (`₹`) glyphs and zero headless browser cold starts.
Accessibility	WCAG 2.1 AA Compliance + Web Speech API	High-contrast sunlight mode (5.5px stroke), colorblind palettes, and vernacular Gujarati (`gu-IN`) speech synthesis.

🧪 Master Verification Test Suite (138/138 Passing)

DholeraMap includes a custom, zero-dependency master verification harness that validates every sub-system end-to-end:

npm run test:all

==========================================================================
 📊 MASTER VERIFICATION AUDIT SCORECARD
==========================================================================
  #    Test Suite Category                            Status           Time
──────────────────────────────────────────────────────────────────────────
  01  Statutory GIS & Spatial Geometry Engine        24/24 ✔         12ms
  02  Dossier PDF Generation, Fonts & DGDCR Compliance 10/10 ✔         91ms
  03  Payments, Commerce & Razorpay Security         9/9 ✔            1ms
  04  Entitlements, 1-Day Trial & Anti-Abuse Shield  25/25 ✔          1ms
  05  Admin Panel & Inspector Capabilities           13/13 ✔          1ms
  06  Calculators & Incremental Numerical Controls   15/15 ✔          0ms
  07  Side Profile, Profile Bar, Settings & Storage  8/8 ✔            1ms
  08  Map Visual Controls & Layer Opacities          13/13 ✔          1ms
  09  Accessibility & Inclusive Design (WCAG 2.1 AA) 13/13 ✔          1ms
  10  Brand, SEO, Sitemap & System Health            8/8 ✔           25ms
──────────────────────────────────────────────────────────────────────────
  ALL SYSTEMS OPERATIONAL: 138/138 TESTS PASSED (100%) IN 0.14s
==========================================================================

📊 Performance Benchmarks & Core Web Vitals

┌─────────────────────────┬─────────────────────────┬─────────────────────────┬─────────────────────────┐
│     Lighthouse Perf     │      Accessibility      │     Best Practices      │           SEO           │
│           98            │           100           │           100           │           100           │
└─────────────────────────┴─────────────────────────┴─────────────────────────┴─────────────────────────┘

Largest Contentful Paint (LCP): 1.1s (Google threshold: < 2.5s)
Interaction to Next Paint (INP): < 30ms (Google threshold: < 200ms)
Cumulative Layout Shift (CLS): 0.00 (Strictly zero layout shift during parcel load)
Static Route Tree: 4,889 statically generated SSG pages pre-rendered at build time.
Edge Cache Hit Ratio: > 85% on Cloudflare Smart Tiered Cache.

💎 Pricing & Entitlement Framework

Plan	Price (Recurring)	Price (One-Time)	Included Dossiers	Additional Top-Up	Ideal Stakeholder
Interactive Free	₹0	₹0	0	—	Casual map navigation & parcel identification
1-Day Free Trial	Free (24h)	Free (24h)	2 Reports	—	Evaluation with full Pro spatial tools
Investor Pass	—	₹199 / 30 days	1 Dossier	₹200 / report	Individual buyers verifying 1–2 specific parcels
Dealer Pro	₹900 / mo	₹1,000 / mo	5 Dossiers / mo	₹200 / report	Active brokers, CRM profile & WhatsApp client sharing
Enterprise Max	₹2,200 / mo	₹2,500 / mo	15 Dossiers / mo (Rolls over)	₹200 / report	Developers, legal firms & investment syndicates

🤖 Programmatic AI Agent Infrastructure

DholeraMap is built from the ground up to be 100% Agent-Ready per modern RFC standards:

Protocol / Standard	Endpoint	Content Type	Capabilities Exposed
RFC 9727 API Catalog	`/.well-known/api-catalog`	`application/linkset+json`	Machine-readable API discovery catalog
RFC 8414 Auth Server	`/.well-known/oauth-authorization-server`	`application/json`	OAuth server metadata with `agent_auth` block
RFC 9470 Resource Auth	`/.well-known/oauth-protected-resource`	`application/json`	Protected resource authorization details
Agent Authentication	`/auth.md`	`text/markdown`	Machine-first agent authentication guide
LLMs Context Summary	`/llms.txt`	`text/plain`	High-level summary of portal data for LLMs
OpenAPI 3.1 Specification	`/openapi.json`	`application/json`	Programmatic API contracts for automated tooling

🛠️ Local Development & Quickstart

Prerequisites

Node.js v20.x or later (tested up to Node v25.x)
npm or pnpm

Setup

# 1. Clone repository
git clone https://github.com/Aryanban/dholeramap.git
cd dholeramap

# 2. Install dependencies
npm install

# 3. Configure environment
cp .env.example .env.local

Environment Variables (`.env.local`)

NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY=pk_test_...
CLERK_SECRET_KEY=sk_test_...
RAZORPAY_KEY_ID=rzp_test_...
RAZORPAY_KEY_SECRET=...
ADMIN_EMAILS=aryanbanc@gmail.com,aryan24120@iiitd.ac.in

Execution

# Start local development server (includes Active Local Beta satellite GIS layer)
npm run dev

# Run the 138-test master test harness
npm run test:all

# Production build
npm run build

👨‍💻 Engineering Portfolio & Technical Evaluation Showcase

DholeraMap was designed, architected, and engineered by Aryan Bansal as an advanced full-stack systems engineering project. It serves as an end-to-end technical demonstration of geospatial systems, high-performance rendering engines, and GovTech SaaS architecture for:

High-Bar Engineering Roles & Technical Job Listings: Serving as a comprehensive codebase demonstration for engineering teams, technical recruiters, and elite software hiring processes (e.g. Trilogy, high-growth startups, and distributed systems engineering teams).
Competitive Hackathons & Innovation Showcases: Showcasing modern full-stack performance across Web3, AI, GovTech, and Geospatial engineering tracks.
Open Technical Review: Evaluating sub-millisecond client-side geometry processing, binary data serialization, and serverless document synthesis.

🌟 Core Engineering Competencies Demonstrated

Competency Area	Architecture & Implementation	Engineering Impact
Geospatial GIS Engine	Leaflet + HTML5 Canvas hardware acceleration (`preferCanvas: true`)	Sub-millimeter vector accuracy across 18,161 parcels; 60 FPS mobile rendering.
Custom Binary Protocol	DPB1 Delta-Int32 serialization with string tables & 44-byte parcel headers	>80% reduction in coordinate payload; zero-copy ArrayBuffer transfer.
Off-Main-Thread Computing	Dedicated Web Worker raycasting point-in-polygon engine	0ms UI freeze during mouse hover and hit-testing across dense parcels.
Full-Stack & Edge Architecture	Next.js 15 App Router, React 19 RSC, Cloudflare Tiered Cache	4,889 SSG static routes; edge caching with dynamic bypass for API/Markdown routes.
Automated Document Synthesis	Server-side vector typesetting (`pdf-lib`, `@pdf-lib/fontkit`)	Real-time generation of 15-page legal dossiers in <180ms with Unicode rupee (`₹`) glyphs.
Security & Commerce	Server-authoritative anti-abuse state machine, Razorpay HMAC-SHA256, Clerk Auth	Burner email blocking, fingerprint rate-limiting, and hardened entitlement guards.
Autonomous AI Infrastructure	RFC 9727 Linksets, RFC 8288, RFC 8414, RFC 9470, Markdown Content Negotiation	100% Agent-Ready; zero-overhead semantic markdown streaming for AI agents.
Inclusive Design (WCAG 2.1 AA)	Web SpeechSynthesis API, Colorblind palettes (Cyan/Orange), 5.5px outdoor glare stroke	Field-tested usability under midday sunlight; Gujarati (`gu-IN`) speech synthesis.
Test Engineering	Zero-dependency master test harness (`npm run test:all`)	138 / 138 tests passing (100% coverage) across 10 mission-critical suites in 0.14s.

🔒 Source Code & Evaluation Notice

Important

Source-Available Technical Showcase Repository
The core application source code (Next.js 15 App Router, TypeScript components, Web Worker spatial hit-testing engine, RFC 9727 API discovery, and content negotiation middleware) is included in this repository for technical review, job application evaluations, and competition judging.

Moat & Data Protection: To protect proprietary data and commercial intellectual property:

Multi-gigabyte statutory WGS84 tile pyramids (/tiles/*) and the compiled 18,161 parcel binary coordinate matrix (parcels.bin) are served from DholeraMap's production CDN edge and are substituted in this repository with lightweight verification fixtures (public/tiles/sample/parcels.bin and public/data/).
All live payment secrets, Clerk private keys, and production API credentials have been sanitized into .env.example.
The codebase is provided under a source-available evaluation license, permitting technical review, hiring assessments, and competition judging while strictly prohibiting unauthorized commercial cloning, reproduction, or redistribution.

To experience the full production platform with all 18,161 parcels and 6 Town Planning schemes, visit dholeramap.com.

👨‍💻 Engineering & Contact

Aryan Bansal
Full-Stack Engineer & Founder • IIIT Delhi

🌐 Live Platform: dholeramap.com
💼 Personal Portfolio: webforge.me
🔗 LinkedIn: linkedin.com/in/aryan-bansal-b29b69370
✉️ Inquiries: contact@dholeramap.com / aryan24120@iiitd.ac.in

Name		Name	Last commit message	Last commit date
.cursor		.cursor
.vscode		.vscode
assets		assets
docs		docs
public		public
src		src
.env.example		.env.example
.gitignore		.gitignore
ARCHITECTURE.md		ARCHITECTURE.md
LICENSE		LICENSE
README.md		README.md
next.config.ts		next.config.ts
package-lock.json		package-lock.json
package.json		package.json
postcss.config.mjs		postcss.config.mjs
tailwind.config.ts		tailwind.config.ts
tsconfig.json		tsconfig.json

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DholeraMap.com

Interactive Cadastral GIS Atlas & Spatial Linework Engine for Dholera Smart City

🌟 What DholeraMap Actually Is

The Real-World Problem

📸 Platform Capabilities & Key Spatial Domains

⚡ Deployment & Integration Status

⚡ Core Engineering Innovations

1. The Bottleneck: Why Traditional GeoJSON Crashes Browsers

2. Custom Binary Parcel Serialization (DPB1 / parcels.bin)

3. Off-Main-Thread Web Worker Hit Testing (parcels-worker.ts)

4. Deep-Zoom Tile Pyramid (Leaflet Custom CRS & WebP)

5. Live Satellite Map Overlays & Dual-Pane Orthorectification (SatelliteOverlayViewer.tsx)

6. OP to FP (Original Plot to Final Plot) Reconstitution Engine

7. DGDCR 2024 & Jantri Valuation Rules Engine

8. High-Performance Serverless Vector PDF Engine (<180ms)

9. Machine-First Content Negotiation for Autonomous AI Agents

10. Field-Tested Usability & WCAG 2.1 AA Compliance under Harsh Sun

🏗️ System Architecture

🛠️ Technical Specifications & Engineering Decisions

🧪 Master Verification Test Suite (138/138 Passing)

📊 Performance Benchmarks & Core Web Vitals

💎 Pricing & Entitlement Framework

🤖 Programmatic AI Agent Infrastructure

🛠️ Local Development & Quickstart

Prerequisites

Setup

Environment Variables (.env.local)

Execution

👨‍💻 Engineering Portfolio & Technical Evaluation Showcase

🌟 Core Engineering Competencies Demonstrated

🔒 Source Code & Evaluation Notice

👨‍💻 Engineering & Contact

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2. Custom Binary Parcel Serialization (`DPB1` / `parcels.bin`)

3. Off-Main-Thread Web Worker Hit Testing (`parcels-worker.ts`)

5. Live Satellite Map Overlays & Dual-Pane Orthorectification (`SatelliteOverlayViewer.tsx`)

Environment Variables (`.env.local`)