source: issm/trunk/src/m/exp/manipulation/addcontour.m@ 13975

function [A,numprofiles,numpoints,closed]=addcontour(A,numprofiles,numpoints,closed,prevplot,root,options)
%ADDCONTOUR - add a closed contour
%
%   this script is used by exptool as an elementary operation
%   on an ARGUS profile
%
%   Usage:
%      [A,numprofiles,numpoints,closed]=addcontour(A,numprofiles,numpoints,closed,prevplot,root,options)

        title('click to add a point to the new profile, RETURN to exit','FontSize',14)
        hold on

        loop=1;
        x=[];
        y=[];

        while loop

                [xi,yi] = ginput(1);

                if ~isempty(xi)
                        x(end+1,1)=xi;
                        y(end+1,1)=yi;

                        %plot everything
                        undoplots(prevplot);
                        plot(x,y,'color',getfieldvalue(options,'color'),'LineStyle',getfieldvalue(options,'LineStyle'),'LineWidth',getfieldvalue(options,'LineWidth'),...
                                'MarkerEdgeColor',getfieldvalue(options,'MarkerEdgeColor'),'MarkerSize',getfieldvalue(options,'MarkerSize'),'Marker',getfieldvalue(options,'Marker'));
                        plot(x(end),y(end),'MarkerEdgeColor',getfieldvalue(options,'selectioncolor'),'MarkerSize',getfieldvalue(options,'MarkerSize'),'Marker',getfieldvalue(options,'Marker'));

                else

                        %check that the profile is not empty
                        if ~isempty(x)
                                x(end+1)=x(1);
                                y(end+1)=y(1);
                                A(end+1).x=x; 
                                A(end).y=y; 
                                A(end).name=root; 
                                A(end).density=1; 
                                numprofiles=numprofiles+1;
                                numpoints=numpoints+length(x);
                                closed(end+1)=1;
                        end

                        %get out
                        loop=0;
                end
        end
end