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# Postgres Explain Visualizer (pev)
Postgres Explain Visualizer (dev) is designed to make [EXPLAIN](http://www.postgresql.org/docs/current/static/sql-explain.html) output easier to grok. It creates a graphical representation of the plan. You can see it in action at [tatiyants.com/pev](http://tatiyants.com/pev/), or read about it [on my blog](http://tatiyants.com/postgres-query-plan-visualization/).
Pev is heavily influenced by the excellent [explain.depesz.com](http://explain.depesz.com/).
Pev is written in [angular 2](https://angular.io/) with [TypeScript](http://www.typescriptlang.org/). The project is based on [angular2 seed](https://github.com/mgechev/angular2-seed). It requires [npm](https://www.npmjs.com/), [gulp](http://gulpjs.com/), [tsd](http://definitelytyped.org/tsd/), and [compass](http://compass-style.org/).
## Installation
```
npm install
npm start
```
You may also need to install tsd and compass:
```
npm install tsd -g
gem install compass
```
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