Save coordinates in an array

Question

Oliver Lestrange 2020-8-28

0
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https://ww2.mathworks.cn/matlabcentral/answers/585884-save-coordinates-in-an-array

回答： Walter Roberson 2020-8-28

采纳的回答： Walter Roberson

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Hi,

I am itereting two loops, in order to form coordinates.

I am trying to save them with this line, because I want to keep it in an array.

[idx_x, idx_y] = [[idx_x, idx_y] ;[xi, yi] ];

xi and yi are the indexes of the loop.

for yi=1:mapa.ylength
        for xi=1:mapa.xlength
            if mapa.img(xi,yi,1) == 0
               at(xi,yi) = at(xi,yi) + 20;%+ 26;
               alturas(xi,yi) = mapa.buildingHeight;
           else 
               alturas(xi,yi) = Movel.Altura;
            end
           
           [idx_x, idx_y] = [[idx_x, idx_y] ;[xi, yi] ];
           heights = [heights; alturas(xi,yi)];
        end
    end