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view +draw/prompt_line.m @ 845:1e057b0f2fed feature/burgers1d

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Add RK6 with residual viscosity update and reduce computational effort of spatial scheme - Add RK6 with residual updates - Change the D2 operator for upwind schemes to one less computationally expensive.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Wed, 19 Sep 2018 16:32:05 +0200
parents 48b6fb693025
children
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function [C,h] = prompt_line(s,varargin)
    default_arg('s',[])
    if ~isempty(s)
        fprintf(s,varargin{:});
    end

    a = draw.prompt_point('Enter starting point\n');
    p = draw.point(a);
    p.Color = Color.green;
    p.MarkerSize = 24;
    b = draw.prompt_point('Enter stopping point\n');
    p = draw.point(b);
    p.Color = Color.red;
    p.MarkerSize = 24;

    C = grid.Curve.line(a,b);
    h = C.plot();
    uistack(h,'bottom');
end