# Mosaic

> An extensible framework for linking databases and interactive views, for scalable data visualization and exploration.

Mosaic is a framework for linking data visualizations, tables, input widgets, and other data-driven components, while leveraging a database (DuckDB, server-side or in-browser via WebAssembly) for scalable processing of millions or even billions of data points. Components are linked through reactive params and selections that enable cross-filtering and other coordinated interactions.

Key packages: mosaic-core (client-coordinator architecture), mosaic-sql (SQL query builder), mosaic-inputs (menus, sliders, tables), vgplot (a grammar of interactive graphics built on Mosaic; optional — any component can be a Mosaic client), and mosaic-spec (a declarative JSON/YAML format for vgplot plots and dashboards).

## Table of Contents

### Introduction

- [What is Mosaic?](/mosaic/what-is-mosaic.md)
- [Why Mosaic?](/mosaic/why-mosaic.md)
- [Get Started](/mosaic/get-started.md)

### Guide

- [Mosaic Core](/mosaic/core.md)
- [Mosaic SQL](/mosaic/sql.md)
- [Mosaic Inputs](/mosaic/inputs.md)
- [Mosaic vgplot](/mosaic/vgplot.md)
- [Mosaic Declarative Specifications](/mosaic/spec.md)
- [Mosaic DuckDB Server](/mosaic/server.md)
- [Mosaic Jupyter Widget](/mosaic/jupyter.md)
- [Clients for Web Frameworks](/mosaic/web-clients.md)

### Examples

- [Examples](/mosaic/examples.md)

### Basic Marks & Inputs

- [Mark Types](/mosaic/examples/mark-types.md)
- [Symbol Plots](/mosaic/examples/symbols.md)
- [Axes & Gridlines](/mosaic/examples/axes.md)
- [Airline Travelers](/mosaic/examples/airline-travelers.md)
- [Aeromagnetic Survey](/mosaic/examples/aeromagnetic-survey.md)
- [Athlete Birth Waffle](/mosaic/examples/athlete-birth-waffle.md)
- [Driving Shifts into Reverse](/mosaic/examples/driving-shifts.md)
- [Population Change Arrows](/mosaic/examples/population-arrows.md)
- [Presidential Opinion](/mosaic/examples/presidential-opinion.md)
- [Voronoi Diagram](/mosaic/examples/voronoi.md)
- [Seattle Temperatures](/mosaic/examples/seattle-temp.md)
- [Sorted Bars](/mosaic/examples/sorted-bars.md)
- [Sortable Table](/mosaic/examples/table.md)

### Data Transformation

- [Athlete Height Intervals](/mosaic/examples/athlete-height.md)
- [Bias Parameter](/mosaic/examples/bias.md)
- [Linear Regression](/mosaic/examples/linear-regression.md)
- [Linear Regression 10M](/mosaic/examples/linear-regression-10m.md)
- [Moving Average](/mosaic/examples/moving-average.md)
- [Line Multi-Series](/mosaic/examples/line-multi-series.md)
- [Normalized Stock Prices](/mosaic/examples/normalize.md)
- [Seattle Weather Pivot](/mosaic/examples/seattle-weather-pivot.md)
- [Overview + Detail](/mosaic/examples/overview-detail.md)
- [Wind Map](/mosaic/examples/wind-map.md)
- [WNBA Shot Chart](/mosaic/examples/wnba-shots.md)

### Maps & Spatial Data

- [Earthquakes Feed](/mosaic/examples/earthquakes-feed.md)
- [Earthquakes Globe](/mosaic/examples/earthquakes-globe.md)
- [U.S. States](/mosaic/examples/us-state-map.md)
- [U.S. Counties](/mosaic/examples/us-county-map.md)
- [U.S. Unemployment](/mosaic/examples/unemployment.md)
- [Walmart Openings](/mosaic/examples/walmart-openings.md)
- [NYC Taxi Rides](/mosaic/examples/nyc-taxi-rides.md)

### Multi-View Coordination

- [Cross-Filter Flights (200k)](/mosaic/examples/flights-200k.md)
- [Cross-Filter Flights (10M)](/mosaic/examples/flights-10m.md)
- [Gaia Star Catalog](/mosaic/examples/gaia.md)
- [Observable Latency](/mosaic/examples/observable-latency.md)
- [Olympic Athletes](/mosaic/examples/athletes.md)
- [Protein Design Explorer](/mosaic/examples/protein-design.md)
- [Pan & Zoom](/mosaic/examples/pan-zoom.md)
- [Scatter Plot Matrix (SPLOM)](/mosaic/examples/splom.md)
- [Seattle Weather](/mosaic/examples/weather.md)

### Density Visualizations

- [Contour Plot](/mosaic/examples/contours.md)
- [Density Groups](/mosaic/examples/density-groups.md)
- [Density 1D](/mosaic/examples/density1d.md)
- [Density 2D](/mosaic/examples/density2d.md)
- [Flights Density](/mosaic/examples/flights-density.md)
- [Flights Hexbin](/mosaic/examples/flights-hexbin.md)
- [Line Density](/mosaic/examples/line-density.md)

### API Reference

- [API Reference](/mosaic/api.md)

### Mosaic Core

- [Client](/mosaic/api/core/client.md)
- [Coordinator](/mosaic/api/core/coordinator.md)
- [Connectors](/mosaic/api/core/connectors.md)
- [Param](/mosaic/api/core/param.md)
- [Selection](/mosaic/api/core/selection.md)
- [Multi-Database Support](/mosaic/api/core/multi-database-support.md)

### Mosaic SQL

- [Queries](/mosaic/api/sql/queries.md)
- [SQL Expressions](/mosaic/api/sql/expressions.md)
- [Operators](/mosaic/api/sql/operators.md)
- [Date Functions](/mosaic/api/sql/date-functions.md)
- [Aggregate Functions](/mosaic/api/sql/aggregate-functions.md)
- [Window Functions](/mosaic/api/sql/window-functions.md)
- [Data Loading](/mosaic/api/sql/data-loading.md)

### Mosaic Inputs

- [Menu](/mosaic/api/inputs/menu.md)
- [Search](/mosaic/api/inputs/search.md)
- [Slider](/mosaic/api/inputs/slider.md)
- [Table](/mosaic/api/inputs/table.md)

### Mosaic vgplot

- [Plot](/mosaic/api/vgplot/plot.md)
- [Attributes](/mosaic/api/vgplot/attributes.md)
- [Marks](/mosaic/api/vgplot/marks.md)
- [Interactors](/mosaic/api/vgplot/interactors.md)
- [Legends](/mosaic/api/vgplot/legends.md)
- [Layout](/mosaic/api/vgplot/layout.md)
- [API Context](/mosaic/api/vgplot/context.md)

### Mosaic Spec

- [JSON Specifications](/mosaic/api/spec/format.md)
- [Specification Parser & Generators](/mosaic/api/spec/parser-generators.md)

### Mosaic DuckDB

- [DuckDB API](/mosaic/api/duckdb/duckdb.md)
- [Data Server](/mosaic/api/duckdb/data-server.md)

### Other

- [Area Sine Wave](/mosaic/examples/area-sine.md)
- [crossfilter](/mosaic/examples/crossfilter.md)
- [Faceted Interval Selections](/mosaic/examples/facet-interval.md)
- [Legends](/mosaic/examples/legends.md)
- [line](/mosaic/examples/line.md)
- [Mosaic DuckDB](/mosaic/duckdb.md)
- [Region Interactor Tests](/mosaic/examples/region-tests.md)
- [Triangle Wave](/mosaic/examples/triangle-wave.md)
- [Untitled](/mosaic/plot.md)
- [window-frame](/mosaic/examples/window-frame.md)