Image Number 19 for United States Patent #7636096.
Methods and apparatus, including computer program products, are described for ballooning an assembly drawing of a computer aided design. In one implementation, a set of anchor points is received and a set of balloons is arranged along a polygon enclosing a region including the set of anchor points. The set of balloons is iterated through, and the balloons in the set of balloons are attached to anchor points in the set of anchor points by leaders. Upon completion of one iteration no two leaders intersect.
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