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annotate +grid/equidistantCurvilinear.m @ 577:e45c9b56d50d feature/grids

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Add an Empty grid class The need turned up for the flexural code when we may or may not have a grid for the open water and want to plot that solution. In case there is no open water we need an empty grid to plot the empty gridfunction against to avoid errors.
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 07 Sep 2017 09:16:12 +0200
parents 9eff7b58c5f7
children
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62b5f3c34bcb Implemented Curvilinear and equdistantCurvilinear.
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1 % Creates a curvilinear grid of dimension length(m).
62b5f3c34bcb Implemented Curvilinear and equdistantCurvilinear.
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2 % over the logical domain xi_lim, eta_lim, ...
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3 % If all limits are ommited they are set to {0,1}.
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4 % Examples:
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5 % g = grid.equidistantCurvilinear(mapping, [m_xi, m_eta])
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6 % g = grid.equidistantCurvilinear(mapping, [m_xi, m_eta], xi_lim, eta_lim)
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7 % g = grid.equidistantCurvilinear(mapping, [10, 15], {0,1}, {0,1})
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8 function g = equidistantCurvilinear(mapping, m, varargin)
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9 if isempty(varargin)
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10 varargin = repmat({{0,1}}, [1 length(m)]);
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11 end
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13 if length(m) ~= length(varargin)
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14 error('grid:equidistant:NonMatchingParameters','The number of provided dimensions do not match.')
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15 end
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17 for i = 1:length(m)
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18 if ~iscell(varargin{i}) || numel(varargin{i}) ~= 2
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19 error('grid:equidistant:InvalidLimits','The limits should be cell arrays with 2 elements.');
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20 end
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22 if varargin{i}{1} > varargin{i}{2}
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23 error('grid:equidistant:InvalidLimits','The elements of the limit must be increasing.');
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24 end
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25 end
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27 X = {};
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28 h = [];
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29 for i = 1:length(m)
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30 [X{i}, h(i)] = util.get_grid(varargin{i}{:},m(i));
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31 end
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33 g = grid.Curvilinear(mapping, X{:});
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34 g.logic.h = h;
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35 end