MapProj/plotDetector.m at master · Rekt3421/MapProj · GitHub

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%% load data into matlab
hold on
close all
clear all
load('cellarray_ways.mat', 'cellarray_ways');

%Ways = zeros(length(cellarray_ways),length(cellarray_ways{cell_num}),2);
%% find block
for cell_num = 1:length(cellarray_ways)
    for point_num = 1:length(cellarray_ways{cell_num})
        Ways(cell_num,point_num,1) = cellarray_ways{cell_num}{point_num}(1);
        Ways(cell_num,point_num,2) = cellarray_ways{cell_num}{point_num}(2);
    end
end


%% load data into matlab

load('cellarray_ways.mat', 'cellarray_ways');

%Ways = zeros(length(cellarray_ways),length(cellarray_ways{cell_num}),2);
%% find block
for cell_num = 1:length(cellarray_ways)
    for point_num = 1:length(cellarray_ways{cell_num})
        Ways(cell_num,point_num,1) = cellarray_ways{cell_num}{point_num}(1);
        Ways(cell_num,point_num,2) = cellarray_ways{cell_num}{point_num}(2);
    end
end


hold on
X={};
Y={};


for cell_num = 1:length(cellarray_ways)
    %plot(Ways(cell_num,:,1) , Ways(cell_num,:,2));

 manual_ways_toshow=[1:319]
%% manual_ways_toshow=[63,80,74,97];
    if (sum(cell_num==manual_ways_toshow)==1)

        disp([num2str(cell_num) ,'_']);
        %following code is used to detect if the path(set of points) is a
        %relatively straight line
        [p,struct] = polyfit( Ways(cell_num,1:length(cellarray_ways{cell_num}),1) , Ways(cell_num,1:length(cellarray_ways{cell_num}),2) ,1)
        if(struct.df<900000 )% .df is a measure of straightness (dont know/need the exact details)

            plot( Ways(cell_num,1:length(cellarray_ways{cell_num}),1) , Ways(cell_num,1:length(cellarray_ways{cell_num}),2) ,'g');
            X{end+1}= Ways(cell_num,1:length(cellarray_ways{cell_num}),1);
            Y{end+1}= Ways(cell_num,1:length(cellarray_ways{cell_num}),2);

            %dont plot lines that arent straight
            disp('is not a st line')
        end
        % number the lines for easy marking of paths
        text(max(Ways(cell_num,1:length(cellarray_ways{cell_num}),1)),max(Ways(cell_num,1:length(cellarray_ways{cell_num}),2)),num2str(cell_num))
        disp('^');
    end
end


%% making 2 point ways
    Way_2pt =[];
    id=0;
    for cell_num = 1:length(cellarray_ways)
        curWayLen = length(cellarray_ways{cell_num});
        for iter =  1:curWayLen
            if iter+1 <= curWayLen
                id=id+1;
                %starting point
                Way_2pt(end+1 ,1 ,1) = Ways(cell_num,iter,1);
                Way_2pt(end ,1 ,2) = Ways(cell_num,iter,2);
                Way_2pt(end ,3,1) = cell_num;
                Way_2pt(end , 4 , 1)=id;
                %ending point
                Way_2pt(end , 2 , 1)= Ways(cell_num,iter+1,1);
                Way_2pt(end , 2 , 2)= Ways(cell_num,iter+1,2);

                x=[  Ways(cell_num,iter,1);,Ways(cell_num,iter+1,1)];
                y=[  Ways(cell_num,iter,2);,Ways(cell_num,iter+1,2)];
            %%    plot(x,y)
            end
        end


    end
count = 0;
intersections=[];
for i=1:length(Way_2pt)
    x1 = Way_2pt(i,2,1);
    y1 = Way_2pt(i,2,2);
    cell1=Way_2pt(i,4,1);
    way1=Way_2pt(i,3,1);


   %%  p1 = polyfit(x1,y1,1);


    for j=1:length(Way_2pt)
        if(i~=-j  )
            x2 = Way_2pt(j,1,1);
            y2 = Way_2pt(j,1,2);
            cell2=Way_2pt(j,4,1);
            way2=Way_2pt(j,3,1);
           %% diff_tocmp= tocmp_way_end-tocmp_way_start;
            %%slope_in=diff_tocmp(2)/diff_tocmp(1);

      %%%      p2 = polyfit(x2,y2,1);

      %%      x_intersect = fzero(@(x) polyval(p1-p2,x),3);

     %%       y_intersect = polyval(p1,x_intersect);

     %%       if(((abs(x_intersect-min(x2))<0.001 &&abs(x_intersect-min(x1))<0.001) || (abs(x_intersect-max(x2))<0.001 && abs(x_intersect-max(x1))<0.001)) && ((abs(y_intersect-min(y2))<0.001 && abs(y_intersect-min(y1))<0.001) ||( abs(y_intersect-max(y2))<0.001 && abs(y_intersect-max(y1))<0.001)))

            if (x1==x2 && y1==y2 && cell1~=cell2)
                count=count+1;
                intersections(count,1)=x1;
                intersections(count,2)=y1;
                intersections(count,3)=cell1;
                intersections(count,4)=cell2;
                 intersections(count,5)=way1;
                intersections(count,6)=way2;


     %%           saveas(gcf,'CV2','jpg')
                drawnow;
            end
       end
    end
end
blocks={};
blocks1={};
block_num = 0;


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