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view +draw/prompt_point.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 00eb5db89da5
children
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function [p, button] = prompt_point(s, varargin)
    default_arg('s',[])

    set(gcf,'Pointer','crosshair')

    if ~isempty(s)
        fprintf(s, varargin{:});
    end

    fh = gcf();
    ah = gca();

    function get_point(src, event)
        cp = ah.CurrentPoint;
        p = cp(1,1:2)';
        fh.WindowButtonUpFcn = [];
    end

    fh.WindowButtonUpFcn = @get_point;
    waitfor(fh,'WindowButtonUpFcn', [])

    set(gcf,'Pointer','arrow')

end