Identify connected points in a grid
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Dear all! I have a grid with 0 and 1. My task is to cluster connected points with 1. For example
00001100
01100001
01110101
01000001
Here there are 4 different clusters. I have create a simple code with cycle, that works fine. But it slows dramatically when I began to use it with large arrays (like 1000x1000) May be it is a simple task, but I still can not find optimal solution. Please, give me an advice.
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