Overlapping Polygon

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Overlapping Polygon

Postby dshively » Thu Jun 03, 2010 1:24 pm

Hello,

I am trying to make a polygon that is a "donut". Not circular, just a square with a square cut out of the center - leaving a "donut". If anyone knows of a way to do this, either by setting up some sort of query where the overlapping region is removed from the outer polygon or something, please let me know!

Thanks.
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Re: Overlapping Polygon

Postby xapie128 » Thu Jun 03, 2010 1:53 pm

dshively wrote:I am trying to make a polygon that is a "donut". Not circular, just a square with a square cut out of the center - leaving a "donut". If anyone knows of a way to do this, either by setting up some sort of query where the overlapping region is removed from the outer polygon or something, please let me know!

The key is to add the smaller (interior) rectangle last.

Draw the larger rectangle first with attributes of your choice.

In the "Fill" pull-down, select Opaque.
Select the color and border for the smaller rectangle.
Draw smaller rectangle.

If you subsequently edit the larger one, you will have to also edit the smaller one since the last one modified will always be on top.
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    Re: Overlapping Polygon

    Postby Buz Steele » Thu Jun 03, 2010 8:30 pm

    For drawing/viewing purposes that works great, but you still wind up with a polygon on top of a polygon. There should be a way to do this. I think I will subscribe to this thread.
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