opcut 0.3.1

Cutting stock problem optimizer

https://opcut.herokuapp.com/

opcut is cutting stock problem optimizer (https://en.wikipedia.org/wiki/Cutting_stock_problem) utilizing multiple panels and guillotine cuts (end-to-end cuts). This project includes:

• multiple back-end optimizer implementations

• command line front-end

• REST service API (OpenAPI definition)

• single-page web application front-end

Runtime requirements

• python >=3.8

Development requirements

• nodejs >=7

• yarn

Install

$ pip install opcut

Note

on Ubuntu, if pycairo is not available, additional apt install pkg-config libcairo2-dev python3-dev is required

Run

Running server (default listening address http://0.0.0.0:8080):

$ opcut server

Running command line utility:

$ opcut calculate ...
$ opcut generate_output ...

Additional command line arguments:

$ opcut --help

Build

Build tool used for opcut is pydoit (http://pydoit.org/). It can be installed together with other python dependencies by running:

$ pip install -r requirements.pip.dev.txt

For listing available doit tasks, use:

$ doit list

Default task:

$ doit

creates wheel package inside build directory.

TODO

• global

  • create CONTRIBUTING

• optimizer

  • add additional algorithms

  • evaluate python implementations and do native rewrites if needed

• back-end

  • additional output formats

License

opcut - cutting stock problem optimizer Copyright (C) 2017-2021 Bozo Kopic

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.