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view +draw/prompt_point.m @ 815:fae41958af4f feature/burgers1d

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Add support for artificial viscosity to the 1d burgers scheme. - Add support for artificial viscosity by parametrizing the discretization operator and boundary closure on the viscosity. - Add a time stepper which evaluates and updates the residual viscosity of the solution.
author Vidar Stiernstrom <vidar.stiernstrom@it.uu.se>
date Thu, 06 Sep 2018 12:43:51 +0200
parents 48b6fb693025
children 00eb5db89da5
line wrap: on
line source

function [p, button] = prompt_point(s,varargin)
    default_arg('s',[])

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

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

    a = gca;

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

    a.ButtonDownFcn = @get_point;
    waitfor(a,'ButtonDownFcn', [])

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

end