Draw a tree on the current axes. Can be used to visualize spatial datasets as groups of trees.

showTree.matlab

function showTree( x,y,scale,varargin )
    
    xsize = 0.01*scale;
    ysize = 0.03*scale;
    radius = 0.03*scale;
    
    treeColor = [0,150,10]/255;
    % override tree color
    if nargin>3
        treeColor = varargin{1}
    end
    
    rectangle('Position',[x,y,xsize,ysize],'Curvature',[0,0],'FaceColor',[91,51,35]/255,'EdgeColor','none');
    rectangle('Position',[x-xsize,y+radius/2,radius,radius],'Curvature',[1,1],'FaceColor',treeColor,'EdgeColor','none');
    axis equal
    hold on
    drawnow

end