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	#!/usr/bin/env python3
	# -- mode: python; coding: utf-8 --
	# vim: set ft=python:
	"""
	Read from stdin a surface profile and solve an elastic contact problem with
	load given as an argument.
	"""

	import argparse
	import sys

	import tamaas as tm
	import numpy as np

	from tamaas.dumpers import NumpyDumper

	__author__ = "Lucas Frérot"
	__copyright__ = (
	"Copyright (©) 2019-2021, EPFL (École Polytechnique Fédérale de Lausanne),"
	"\nLaboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)"
	)
	__license__ = "SPDX-License-Identifier: AGPL-3.0-or-later"

	tm.set_log_level(tm.LogLevel.error)

	parser = argparse.ArgumentParser(
	description="Compute the elastic contact solution with a given surface")

	parser.add_argument("--input", "-i",
	help="Rough surface file (default read from stdin)")
	parser.add_argument("--tol",
	type=float,
	default=1e-12,
	help="Solver tolerance")
	parser.add_argument("load",
	type=float,
	help="Applied average pressure")

	args = parser.parse_args()

	if not args.input:
	input = sys.stdin
	else:
	input = args.input

	surface = np.loadtxt(input)

	discretization = surface.shape
	system_size = [1., 1.]

	model = tm.ModelFactory.createModel(tm.model_type.basic_2d,
	system_size, discretization)
	solver = tm.PolonskyKeerRey(model, surface, args.tol)

	solver.solve(args.load)

	dumper = NumpyDumper('numpy', 'traction', 'displacement')
	dumper.dump_to_file(sys.stdout.buffer, model)