How can I repeat this shape NxN times with a certain spacing between repeated shapes?

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Love Matlab
Love Matlab 2020-6-9
回答： Rik 2020-6-9
I attached a shape of square that I need to repeat NxN times to form basically an array. I need to have spacing between shapes as an option as well.
Thank you in advance
  2 个评论
Rik
Rik 2020-6-9
Probably the easiest way is to create an array for one of the corners and then use a loop to create all objects based on that coordinate offset.
Love Matlab
Love Matlab 2020-6-9
x1=0.25;
x2=.75;
y1=0.25;
y2=.75;
x = [x1, x2, x2, x1, x1];
y = [y1, y1, y2, y2, y1];
plot(x, y, 'b-');
xlim([-1, 2]);
ylim([-1, 2]);
patch(x,y,'b')
Here is my code for the square. How can I make an array with one of the corners?
Thank you!!

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回答（1 个）

Rik
Rik 2020-6-9
Make the coordinates depend on x1 and y1:
x1=0.25;
y1=0.25;
draw_line_and_patch(x1,y1)
function draw_line_and_patch(x1,y1,width,height,ax)
if nargin<3,width=0.5;end
if nargin<4,height=0.5;end
if nargin<5,ax=gca;end%create axes object if missing
x2=x1+width;
y2=y1+height;
x = [x1, x2, x2, x1, x1];
y = [y1, y1, y2, y2, y1];
plot(x, y, 'b-','Parent',ax);
xlim(ax,[-1, 2]);
ylim(ax,[-1, 2]);
patch(x,y,'b','Parent',ax)
end
Now you have a function that creates a box for you, you can easily loop through a grid of coordinates you create with meshgrid, ndgrid, or any way you prefer.

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