how to remove the remaining part of my plot

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Lim Miso 2015-12-9

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编辑： Mike Garrity 2015-12-9

as you can see my attachment, i draw a moving box by using FOR and FILL.

The problem is that i can not reamove the remaining part of my box.

I hope remove the remains of the box.

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Walter Roberson 2015-12-9

Nothing was attached?

Lim Miso 2015-12-9

my mistake. This is my attachment.

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Mike Garrity 2015-12-9

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编辑：Mike Garrity 2015-12-9

The function fill has a return argument. This is called a 'handle'. The handle has a delete method which you can call to get rid of an object you don't want in the picture any more.

Alternatively, you can use the handle to modify the object you've already created instead of deleting it and creating a new one. See the set function for how you would do that.