how to remove or arrange some hic-data by juicebox in visual interface

[Nuturetree]

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i create a hic hot map by juicebox，but same location not show any data， i want cut it， but i don't know how to do it。

[Nuturetree]

i had installed juicebox in windows ，i see juicebox using introduce in youtobe， this function can be achieve，but i don‘t know how to achieve it in windows。