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求直角折线算法
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<P>现在我可以实现MAPBASIC的TOOLbutton工具画折线</P> <P>但是现在不知道怎样画出直角直线</P> <P>敬请高人指点</P> <P><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /></P> <img src="images/post/smile/dvbbs/em12.gif" /><img src="images/post/smile/dvbbs/em12.gif" /><img src="images/post/smile/dvbbs/em12.gif" /><img src="images/post/smile/dvbbs/em12.gif" /><img src="images/post/smile/dvbbs/em12.gif" /> |
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发布于:2005-07-04 12:44
<P>你在绘制折线的时候,需要垂直的话,你需要控制你下一个接点的方向了</P>
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