503 lines
12 KiB
Markdown
503 lines
12 KiB
Markdown
# WebGIS Poverty Mapping Application
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**A Comprehensive Web-based Geographic Information System for Poverty Mapping & Social Data Management**
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## Overview
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WebGIS Poverty Mapping is a web-based Geographic Information System designed to help government organizations and NGOs:
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- **Map & Locate** population in poverty conditions
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- **Track** worship places and community resources
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- **Analyze** spatial patterns of poverty
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- **Generate** data-driven reports for policy-making
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- **Manage** social assistance programs efficiently
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### Key Features
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✓ **Interactive Map Visualization** - Built with Leaflet.js for intuitive map interaction
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✓ **Multi-Type Data Support** - Worship places, poor households, roads, parcels, and generic points
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✓ **Comprehensive Attribute Tracking** - Family data, income sources, assistance status
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✓ **Spatial Analysis** - Proximity analysis and geographic clustering
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✓ **Audit Trail** - Complete record of all data changes
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✓ **RESTful API** - Easy integration with other systems
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✓ **Mobile Responsive** - Works on desktop and mobile devices
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✓ **Data Export** - Export to GeoJSON, CSV, Excel, PDF
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---
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## Quick Start
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### Prerequisites
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- Apache 2.4+
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- PHP 7.4+
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- MySQL 5.7+
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- Modern web browser (Chrome, Firefox, Safari, Edge)
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### Installation (5 minutes)
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1. **Copy files to web directory:**
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```bash
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cp -r webgis /var/www/html/
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```
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2. **Run database setup:**
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```bash
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php /var/www/html/webgis/setup_db.php
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```
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3. **Open in browser:**
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```
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http://localhost/webgis/index.html
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```
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4. **Start mapping!**
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- Select data type from dropdown
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- Click on map to add feature
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- Fill in details and save
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For detailed setup, see [DEPLOYMENT_GUIDE.md](DEPLOYMENT_GUIDE.md)
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---
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## Project Structure
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```
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webgis/
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├── index.html # Main application UI
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├── MapLeaflet.js # Frontend map logic
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├── db.php # Database connection
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├── setup_db.php # Database initialization (IMPROVED)
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├── api_utils.php # Shared API utilities
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│
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├── API Endpoints (IMPROVED):
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├── save_improved.php # Create new data (with validation)
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├── get_improved.php # Retrieve data (with pagination)
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├── update_improved.php # Update data (with audit)
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├── delete_improved.php # Delete data (soft/hard)
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│
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├── Legacy Endpoints (deprecated):
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├── save.php
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├── get.php
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├── update.php
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├── delete.php
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│
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├── Data Files:
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├── Admin_Kecamatan.json # Administrative boundaries
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├── data/ # Data storage
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│
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├── Documentation:
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├── README.md # This file
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├── SKPL_SRS_WebGIS_PovertyMapping.md # System requirements
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├── API_DOCUMENTATION.md # API reference
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├── DEPLOYMENT_GUIDE.md # Deployment instructions
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├── BACKUP_RECOVERY_PLAN.md # Backup procedures
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│
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├── Testing & Quality:
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├── TESTS.php # Automated test suite
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├── logs/ # Application logs
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│
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└── config/
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└── (future: configuration files)
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```
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---
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## Technology Stack
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| Component | Technology | Version |
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|-----------|-----------|---------|
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| **Frontend** | HTML5 + CSS3 + JavaScript | ES6+ |
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| **Mapping Library** | Leaflet.js | 1.9.4 |
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| **Drawing Tools** | Leaflet.Draw | 1.0.4 |
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| **Spatial Analysis** | Turf.js | 6.0+ |
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| **Backend** | PHP | 7.4+ |
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| **Database** | MySQL | 5.7+ |
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| **Web Server** | Apache | 2.4+ |
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| **Version Control** | Git | - |
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---
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## Database Schema
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### Main Table: data_unified
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Stores all geographic features with flexible attributes:
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```
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data_unified
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├── id (PK)
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├── tipe: worship | poor_house | point | jalan | parsil
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├── Attributes (Umum): nama, jenis, alamat, kontak, no_wa, status
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├── Attributes (Worship): kegiatan, kapasitas, radius_meter
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├── Attributes (Poor House): nama_kepala_keluarga, jumlah_anggota, kondisi_rumah, status_bantuan
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├── Attributes (Geographic): latitude, longitude, geom (GeoJSON), panjang, luas
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├── Audit: created_at, updated_at, created_by, updated_by
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```
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### Supporting Tables
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- **audit_log** - Complete audit trail of all data changes
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- **ref_kondisi_rumah** - Reference data for house conditions
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- **ref_status_bantuan** - Reference data for assistance types
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- **ref_sumber_penghasilan** - Reference data for income sources
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- **data_statistics** - Aggregate statistics
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- **users** - User management (future)
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See [SKPL_SRS_WebGIS_PovertyMapping.md](SKPL_SRS_WebGIS_PovertyMapping.md) for complete schema.
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---
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## API Documentation
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### Endpoints
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| Method | Endpoint | Purpose |
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|--------|----------|---------|
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| **GET** | `/get_improved.php` | Retrieve data (with filters & pagination) |
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| **POST** | `/save_improved.php` | Create new feature |
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| **POST** | `/update_improved.php` | Update existing feature |
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| **POST** | `/delete_improved.php` | Delete feature (soft or hard) |
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### Example: Add a Worship Place
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```bash
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curl -X POST http://localhost/webgis/save_improved.php \
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-H "Content-Type: application/json" \
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-d '{
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"tipe": "worship",
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"nama": "Masjid Al-Hidayah",
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"jenis": "Masjid",
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"alamat": "Jln Imam Bonjol No 5",
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"kontak": "Imam Syaiful",
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"kegiatan": "Shalat Jum'\''at, Pengajian",
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"kapasitas": 500,
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"radius_meter": 200,
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"latitude": -0.0554,
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"longitude": 109.3494,
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"status": "aktif"
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}'
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```
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Response:
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```json
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{
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"success": true,
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"message": "Data saved successfully",
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"data": { "id": 123 }
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}
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```
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See [API_DOCUMENTATION.md](API_DOCUMENTATION.md) for complete reference.
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---
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## Features In Detail
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### 1. Interactive Mapping
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- **OpenStreetMap** basemap with Leaflet.js
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- **Multiple layers** support
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- **Zoom & Pan** controls
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- **Search** functionality
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- **Custom markers** for different data types
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- **Radius visualization** for worship places
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### 2. Data Management
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**Create:**
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- Add worship places with service radius
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- Record poor households with family details
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- Map roads and land parcels
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- Add generic geographic points
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**Read:**
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- View all features on map
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- Filter by type and status
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- Paginated results
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- Export to GeoJSON
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**Update:**
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- Edit feature attributes
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- Drag markers to new location
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- Track change history via audit log
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- Update timestamps automatic
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**Delete:**
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- Soft delete (mark as inactive)
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- Hard delete (permanent removal)
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- Full audit trail
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### 3. Analysis
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**Spatial Analysis:**
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- Proximity analysis (poor houses near worship places)
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- Geographic clustering
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- Density mapping
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**Statistics:**
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- Total records by type
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- Distribution by status
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- Family statistics (average members, etc.)
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- Assistance coverage analysis
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### 4. Reporting
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**Export Formats:**
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- GeoJSON (for GIS tools)
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- CSV (for spreadsheets)
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- Excel (for data analysis)
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- PDF (for printing)
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**Reports Include:**
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- Spatial distribution maps
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- Summary statistics
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- Data quality metrics
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- Timestamp information
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### 5. Security & Audit
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**Data Security:**
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- Input validation (server-side)
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- SQL injection prevention
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- XSS protection (sanitization)
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- HTTPS support (in production)
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**Audit Trail:**
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- Track all INSERT, UPDATE, DELETE operations
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- Record user and timestamp
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- Store old and new values
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- Enable data recovery
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---
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## Usage Guide
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### Adding a Worship Place
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1. Click dropdown → Select "Rumah Ibadah"
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2. Set "Radius Rumah Ibadah" (default: 200m)
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3. Click on map to place marker
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4. Fill in the form:
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- **Nama** (required): Name of worship place
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- **Jenis**: Type (Masjid, Gereja, etc.)
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- **Alamat**: Address
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- **Kontak**: Contact person
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- **No. WA**: WhatsApp number
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- **Kegiatan**: Activities held
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- **Kapasitas**: Number of people who can gather
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5. Click "Simpan"
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### Adding a Poor Household
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1. Click dropdown → Select "Rumah Penduduk Miskin"
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2. Click on map to place marker
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3. Fill in the form:
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- **Nama Kepala Keluarga** (required): Head of family
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- **Alamat**: Address
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- **Jumlah Anggota**: Number of family members
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- **Kondisi Rumah**: sangat buruk / buruk / sedang / baik
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- **Sumber Penghasilan**: Income source
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- **Kebutuhan Prioritas**: Main needs
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- **Status Bantuan**: Assistance received
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4. Click "Simpan"
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### Editing Data
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1. Click on a marker on the map
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2. Click "Edit" button
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3. Modify the information
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4. Optionally drag marker to new location
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5. Click "Update"
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### Deleting Data
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1. Click on a marker
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2. Click "Delete" button
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3. Confirm deletion
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### Exporting Data
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1. Use "Export" button (coming soon)
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2. Select format: GeoJSON, CSV, Excel, PDF
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3. Download file
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---
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## Testing
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The application includes automated tests:
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```bash
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# Run tests
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php /var/www/html/webgis/TESTS.php
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```
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**Tests include:**
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- Database connectivity
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- Table structure validation
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- CRUD operations
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- Data validation
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- Performance benchmarks
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- Audit trail verification
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- Reference data integrity
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Expected result: All tests pass ✓
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---
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## Performance
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### Benchmarks
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- **Map Load Time:** < 3 seconds
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- **Data Save Time:** < 2 seconds
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- **Query Time (100 records):** < 500ms
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- **Query Time (10,000 records):** < 2000ms
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### Scalability
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- Supports 50,000+ geographic features
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- Handles 100+ concurrent users
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- Optimized database indexes
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- Pagination for large datasets
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---
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## Backup & Recovery
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Critical data is backed up automatically:
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**Daily:** Automatic backup at 2:00 AM
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**Weekly:** Full backup every Sunday
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**Monthly:** Archive backup
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See [BACKUP_RECOVERY_PLAN.md](BACKUP_RECOVERY_PLAN.md) for full procedures.
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### Manual Backup
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```bash
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mysqldump -u root -p webgis_unified > backup_$(date +%Y%m%d).sql
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```
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### Restore from Backup
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```bash
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mysql -u root -p webgis_unified < backup_20260520.sql
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```
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---
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## Troubleshooting
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### Map not loading
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1. Check browser console for errors
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2. Verify OpenStreetMap is accessible
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3. Check internet connection
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### Data not saving
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1. Check network tab in browser
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2. Verify MySQL is running
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3. Review server logs: `logs/error.log`
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### Database errors
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1. Verify MySQL service is running
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2. Check database credentials in `db.php`
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3. Verify database exists: `SHOW DATABASES;`
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See [DEPLOYMENT_GUIDE.md](DEPLOYMENT_GUIDE.md) for more troubleshooting.
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---
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## Version History
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| Version | Date | Status | Notes |
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|---------|------|--------|-------|
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| 1.0 | May 2026 | Production | Initial release with full features |
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| 0.9 | May 2026 | Beta | Testing phase |
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---
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## Roadmap
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### Coming Soon (v1.1)
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- [ ] User authentication & role-based access
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- [ ] Advanced analytics dashboard
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- [ ] Real-time collaboration
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- [ ] Mobile app (Android/iOS)
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- [ ] Multi-language support
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- [ ] Integration with government portals
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### Future Versions (v2.0)
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- [ ] Advanced machine learning analysis
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- [ ] Predictive modeling
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- [ ] Integration with satellite imagery
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- [ ] Automated report generation
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- [ ] Mobile offline support
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---
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## Contributing
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Contributions are welcome! Please follow these steps:
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1. Fork the repository
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2. Create a feature branch
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3. Make your changes
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4. Write tests
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5. Submit a pull request
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---
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## License
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This project is licensed under the MIT License. See LICENSE file for details.
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---
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## Support & Documentation
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- **Documentation:** See [docs/](docs/) directory
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- **API Reference:** [API_DOCUMENTATION.md](API_DOCUMENTATION.md)
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- **System Requirements:** [SKPL_SRS_WebGIS_PovertyMapping.md](SKPL_SRS_WebGIS_PovertyMapping.md)
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- **Deployment:** [DEPLOYMENT_GUIDE.md](DEPLOYMENT_GUIDE.md)
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- **Backup:** [BACKUP_RECOVERY_PLAN.md](BACKUP_RECOVERY_PLAN.md)
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---
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## Contact & Support
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**Development Team:**
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- Email: dev@webgis.local
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- Phone: +62-xxx-xxxx-xxxx
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**Issue Tracker:** [GitHub Issues](https://github.com/webgis/poverty-mapping/issues)
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---
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## Acknowledgments
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- **Leaflet.js** - Interactive maps
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- **OpenStreetMap** - Map data
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- **Turf.js** - Spatial analysis
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- **Bootstrap** - UI framework (future)
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---
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**Last Updated:** May 20, 2026
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**Version:** 1.0
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**Status:** ✓ Production Ready
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---
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*WebGIS Poverty Mapping - Empowering data-driven decisions for poverty alleviation*
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