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## Copyright (C) 2004-2011 David Legland <david.legland@grignon.inra.fr>
## Copyright (C) 2004-2011 INRA - CEPIA Nantes - MIAJ (Jouy-en-Josas)
## Copyright (C) 2012 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are met:
##
## 1 Redistributions of source code must retain the above copyright notice,
## this list of conditions and the following disclaimer.
## 2 Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in the
## documentation and/or other materials provided with the distribution.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS''
## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
## ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
## SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
## CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
function varargout = drawPolynomialCurve(tBounds, varargin)
#DRAWPOLYNOMIALCURVE Draw a polynomial curve approximation
#
# Usage
# drawPolynomialCurve(BND, XCOEFS, YCOEFS)
# drawPolynomialCurve(BND, XCOEFS, YCOEFS, NPTS)
#
# Example
# drawPolynomialCurve
#
# See also
#
#
# ------
# Author: David Legland
# e-mail: david.legland@grignon.inra.fr
# Created: 2011-03-21, using Matlab 7.9.0.529 (R2009b)
# Copyright 2011 INRA - Cepia Software Platform.
## Extract input parameters
# parametrization bounds
t0 = tBounds(1);
t1 = tBounds(end);
# polynomial coefficients for each coordinate
var = varargin{1};
if iscell(var)
xCoef = var{1};
yCoef = var{2};
varargin(1) = [];
elseif size(var, 1)==1
xCoef = varargin{1};
yCoef = varargin{2};
varargin(1:2) = [];
else
xCoef = var(1,:);
yCoef = var(2,:);
varargin(1) = [];
end
nPts = 120;
if ~isempty(varargin)
nPts = varargin{1};
end
## Drawing the polyline approximation
# generate vector of absissa
t = linspace(t0, t1, nPts+1)';
# compute corresponding positions
pts = polynomialCurvePoint(t, xCoef, yCoef);
# draw the resulting curve
h = drawPolyline(pts);
if nargout > 0
varargout = {h};
end