Skip to main content
  • Home
  • Development
  • Documentation
  • Donate
  • Operational login
  • Browse the archive

swh logo
SoftwareHeritage
Software
Heritage
Archive
Features
  • Search

  • Downloads

  • Save code now

  • Add forge now

  • Help

  • f97ff81
  • /
  • tests
  • /
  • test_synthetic.py
Raw File Download
Permalinks

To reference or cite the objects present in the Software Heritage archive, permalinks based on SoftWare Hash IDentifiers (SWHIDs) must be used.
Select below a type of object currently browsed in order to display its associated SWHID and permalink.

  • content
  • directory
content badge Iframe embedding
swh:1:cnt:5cbc01beff7ca36733d46d2bec25e849b3c9b6bf
directory badge Iframe embedding
swh:1:dir:9e057db05de99a7e0ba79865507a86d71e872291
Citations

This interface enables to generate software citations, provided that the root directory of browsed objects contains a citation.cff or codemeta.json file.
Select below a type of object currently browsed in order to generate citations for them.

  • content
  • directory
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
test_synthetic.py
from ..synthetic import gen_image
import numpy as np 
from ... import backend as T


def test_gen_image():
    """Test for image_weight"""
    # Swiss
    true_res = T.tensor([[0., 0., 0., 0., 0., 0., 0., 0., 0., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 1., 1., 1., 1., 1., 1., 1., 1., 0.],
                         [0., 1., 1., 1., 1., 1., 1., 1., 1., 0.],
                         [0., 1., 1., 1., 1., 1., 1., 1., 1., 0.],
                         [0., 1., 1., 1., 1., 1., 1., 1., 1., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 0., 0., 0., 0., 0., 0., 0., 0., 0.]])
    res = gen_image(region='swiss', image_height=10, image_width=10, weight_value=1)
    T.assert_array_equal(true_res, res)

    # Rectangle
    true_res = T.tensor([[0., 0., 0., 0., 0., 0., 0., 0., 0., 0.],
                         [0., 0., 0., 0., 0., 0., 0., 0., 0., 0.],
                         [0., 0., 0., 0., 0., 0., 0., 0., 0., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 0., 0., 1., 1., 1., 1., 0., 0., 0.],
                         [0., 0., 0., 0., 0., 0., 0., 0., 0., 0.],
                         [0., 0., 0., 0., 0., 0., 0., 0., 0., 0.],
                         [0., 0., 0., 0., 0., 0., 0., 0., 0., 0.]])
    res = gen_image(region='rectangle', image_height=10, image_width=10, weight_value=1)
    T.assert_array_equal(true_res, res)

    # circle: approximate test
    res = gen_image(region='circle', image_height=60, image_width=60, weight_value=1)
    radius = 20
    surface = np.pi*radius**2
    tol = surface * 0.005  # tolerate 0.5% error
    assert(abs(T.sum(res) - surface) < tol)

back to top

Software Heritage — Copyright (C) 2015–2025, The Software Heritage developers. License: GNU AGPLv3+.
The source code of Software Heritage itself is available on our development forge.
The source code files archived by Software Heritage are available under their own copyright and licenses.
Terms of use: Archive access, API— Contact— JavaScript license information— Web API