# Dashboard

Create custom interactive dashboards with multiple widgets to visualize and analyze spatial data.

## Overview

Dashboards provide a flexible, drag-and-drop interface for building custom data visualization layouts. Combine maps, charts, tables, and analysis widgets to create comprehensive data views.

## Creating Dashboards

### Access

- Navigate to Dashboard Builder (`dashboard_builder.php`)
- Only admins can create new dashboards
- Users with edit permissions can modify existing dashboards

### Building Process

1. **Add Widgets**: Drag widgets from the sidebar onto the canvas
2. **Configure Widgets**: Click widgets to configure data sources and settings
3. **Arrange Layout**: Drag widgets to reposition, resize from corners
4. **Save Dashboard**: Save configuration and assign permissions

## Widget Types

### Map Widget

Interactive map display with multiple layers.

**Configuration**:
- Dataset selection
- Basemap selection
- Layer styling
- Initial extent
- Interaction settings

**Features**:
- Pan and zoom
- Feature identification
- Layer visibility toggle
- Popup configuration

### Chart Widget

Data visualization charts.

**Chart Types**:
- **Bar Chart**: Categorical comparisons
- **Line Chart**: Time series or trends
- **Pie Chart**: Proportional data
- **Scatter Plot**: Correlation analysis

**Configuration**:
- Dataset selection
- X and Y axis fields
- Aggregation functions
- Chart styling
- Update intervals

### Table Widget

Data table display with sorting and filtering.

**Features**:
- Column selection
- Sorting by columns
- Filtering
- Pagination
- Export options

**Configuration**:
- Dataset selection
- Visible columns
- Default sort
- Page size
- Row limit

### Counter Widget

Display summary statistics.

**Functions**:
- **Count**: Number of features
- **Sum**: Sum of numeric values
- **Average**: Mean value
- **Min/Max**: Minimum/maximum values

**Configuration**:
- Dataset selection
- Calculation function
- Value field (for sum/avg/min/max)
- Filter conditions
- Formatting options

### Filter Widget

Dataset filter controls for interactive filtering.

**Filter Types**:
- **Property Filters**: Filter by attribute values
- **Spatial Filters**: Filter by location
- **Date Filters**: Filter by date ranges
- **Numeric Filters**: Filter by numeric ranges

**Features**:
- Synchronize filters across widgets
- Real-time updates
- Save filter presets
- Clear filters

### Vector Analysis Widget

Tabular statistics for vector datasets.

**Statistics**:
- Feature count
- Geometry type distribution
- Attribute summaries
- Spatial extent

**Configuration**:
- Dataset selection
- Statistics to display
- Grouping options

### Raster Analysis Widget

Tabular statistics for raster datasets.

**Statistics**:
- Pixel count
- Value ranges
- Band information
- NoData statistics

**Configuration**:
- Raster dataset selection
- Statistics to display
- Band selection

### Hot Spot Summary Widget

Hot spot analysis summary statistics.

**Information**:
- Total features analyzed
- Hot spot count by class
- Cold spot count by class
- Significance distribution

**Configuration**:
- Hot spot dataset selection
- Class breakdown
- Summary format

### Outlier Summary Widget

Outlier analysis summary statistics.

**Information**:
- Total features
- Outlier count
- Outlier percentage
- Method used (z-score/MAD)

**Configuration**:
- Outlier dataset selection
- Summary format

## Dashboard Features

### Layout Management

- **Drag and Drop**: Reposition widgets by dragging
- **Resize**: Resize widgets from corners
- **Grid System**: Snap to grid for alignment
- **Responsive**: Adapts to different screen sizes

### Configuration

- **Widget Settings**: Configure each widget individually
- **Data Sources**: Link widgets to datasets
- **Styling**: Customize colors, fonts, sizes
- **Update Intervals**: Set refresh rates for live data

### Sharing and Permissions

- **Public Dashboards**: Share via public URL
- **Access Control**: Set permissions per user/group
- **Embed Codes**: Embed dashboards in external sites
- **Export**: Export dashboard configuration

### Viewing Dashboards

- **Full Screen**: View dashboards in full-screen mode
- **Print**: Print-friendly layouts
- **Export**: Export dashboard as image/PDF
- **Mobile**: Responsive mobile views

## Use Cases

### Data Monitoring

- Real-time data monitoring
- Key performance indicators
- Status dashboards
- Alert systems

### Analysis Results

- Analysis result displays
- Statistical summaries
- Trend visualizations
- Comparative analysis

### Public Portals

- Public data portals
- Community dashboards
- Open data displays
- Information kiosks

### Executive Summaries

- High-level overviews
- Executive reports
- Strategic dashboards
- Performance metrics

## Example Dashboard

A typical dashboard might include:

1. **Map Widget**: Showing geographic distribution
2. **Counter Widgets**: Key statistics (total features, average values)
3. **Chart Widget**: Trend analysis over time
4. **Table Widget**: Detailed data view
5. **Filter Widget**: Interactive filtering controls

## API Access

Dashboards can be accessed programmatically:

```bash
# View dashboard
GET /view_dashboard.php?id={dashboard_id}

# Dashboard API
GET /dashboard_api.php?action=get&id={dashboard_id}
```

## Related Documentation

- [Dashboard Builder UI](../ui/dashboard-builder.md)
- [Map Viewer](../ui/map-viewer.md)
- [Analysis Tools](../analysis-tools/index.md)