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function CSX = SetMaterialWeight(CSX, name, varargin)
% function CSX = SetMaterialWeight(CSX, name, varargin)
%
% Define the material weighting function(s)
%
% The functions can use the variables:
% x,y,z
% rho for the distance to z-axis
% r for the distance to origin
% a for alpha (as in cylindircal and spherical coord systems)
% t for theta (as in the spherical coord system
%
% all these variables are not weighted with the drawing unit defined by
% the grid
%
% example:
% %material distribution as a rect-function with 4 periods
% start=[-500 -100 -500];
% stop =[ 500 100 500];
% CSX = AddMaterial(CSX, 'material');
% CSX = SetMaterialProperty(CSX, 'material', 'Epsilon', 1);
% CSX = SetMaterialWeight(CSX, 'material', 'Epsilon', ['(sin(4*z / 1000 *2*pi)>0)+1']);
% CSX = AddBox(CSX, 'material' ,10 , start, stop);
%
% See also AddMaterial, SetMaterialProperty, InitCSX, DefineRectGrid
%
% CSXCAD matlab interface
% -----------------------
% author: Thorsten Liebig
CSX = SetPropertyArgs(CSX, GetPropertyType(CSX,name), name, 'Weight', varargin{:});
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