The Virtual Brain Project

Source code for

# -*- coding: utf-8 -*-
# TheVirtualBrain-Framework Package. This package holds all Data Management, and 
# Web-UI helpful to run brain-simulations. To use it, you also need do download
# TheVirtualBrain-Scientific Package (for simulators). See content of the
# documentation-folder for more details. See also
# (c) 2012-2017, Baycrest Centre for Geriatric Care ("Baycrest") and others
# 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,
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# 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 <>.
# When using The Virtual Brain for scientific publications, please cite it as follows:
#   Paula Sanz Leon, Stuart A. Knock, M. Marmaduke Woodman, Lia Domide,
#   Jochen Mersmann, Anthony R. McIntosh, Viktor Jirsa (2013)
#       The Virtual Brain: a simulator of primate brain network dynamics.
#   Frontiers in Neuroinformatics (7:10. doi: 10.3389/fninf.2013.00010)

Converts a color scheme texture image to json arrays

.. moduleauthor:: Mihai Andrei <>

import numpy
from PIL import Image

[docs]def color_texture_to_list(img_pth, img_width, band_height): """ :param img_pth: Path to the texure :param img_width: Texture width :param band_height: Height of a color scheme band :return: A list of img_width/band_height color schemes. A scheme is a list of img_width colors """ im = ima = numpy.asarray(im) if ima.shape != (img_width, img_width, 4): raise ValueError("unexpected image shape " + str(ima.shape)) tex_vs = [(i * band_height + 0.5)/img_width for i in range(img_width/band_height)] color_schemes = [] for v in tex_vs: idx = int(v * img_width) color_schemes.append(ima[idx, :, :3].tolist()) return color_schemes