funlxming 发表于 2003-3-11 15:09:00

請教ACDBPOLYLINE在OFFSET時.它的方向和那些因素有關.比如上下還是左右.

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goldenshin 发表于 2003-3-12 13:33:00

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1) The direction is determined by the ECS and vertexes of this polyline.
2) You don't need to know the direction first. You only need to perform a time of offset and then compare some data (fg. the area ). Then you can get the direction.
3)By the way, the sysvalue "offsetgaptype" must be controled.
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