MATLAB Object-Oriented Programming

if nargin > 1

for k=1:2:length(varargin)

gobj.(varargin{k}) = varargin{k+1};

end

end

end

end

function gobj = draw(gobj)

if isempty(gobj.Data)

error('The LineGraph object contains no data')

end

h = line(gobj.Data.x,gobj.Data.y,...

'Color',gobj.LineColor,...

'LineStyle',gobj.LineType);

gobj.Primitive = h;

gobj.AxesHandle = h.Parent;

end

function zoom(gobj,factor)

camzoom(gobj.AxesHandle,factor)

end

function updateGraph(gobj)

set(gobj.Primitive,...

'XData',gobj.Data.x,...

'YData',gobj.Data.y)

end

function set.LineColor(gobj,color)

gobj.LineColor = color;

set(gobj.Primitive,'Color',color)

end

function set.LineType(gobj,ls)

gobj.LineType = ls;

set(gobj.Primitive,'LineStyle',ls)

end

end

end

12 How to Build on Other Classes