# The cad/qrouter port

## qrouter-1.4.84 – multi-level, over-the-cell maze router for VLSI design

## Description

    Qrouter is a tool to generate metal layers and vias to physically
    connect together a netlist in a VLSI fabrication technology. It
    is a maze router, otherwise known as an "over-the-cell" router or
    "sea-of-gates" router. That is, unlike a channel router, it begins with
    a description of placed standard cells, usually packed together at
    minimum spacing, and places metal routes over the standard cells.

    Qrouter uses the open standard LEF and DEF formats as file input and
    output. It takes the cell definitions from a LEF file, and analyzes
    the geometry for each cell to determine contact points and route
    obstructions. It then reads the cell placement, pin placement, and
    netlist from a DEF file, performs the detailed route, and writes an
    annotated DEF file as output.

WWW: http://opencircuitdesign.com/qrouter/

Categories:
  cad lang/tcl x11/tk

## Library dependencies

- tcl->=8.5,<8.6:lang/tcl/8.5
- tk->=8.5,<8.6:x11/tk/8.5

## Build dependencies

- devel/gmake

## Run dependencies