我这两天在抽空建花焊盘(为我的封装生成器服务http://www.pcbbbs.com/viewthread.php?tid=98354),既然可以轻松大量生成花焊盘,为何不把花焊盘搞的精细点呢(钻进牛角尖了[em07]),代码如下: ;;;;; smooth thermal: orth-style, diag-style the same way d1=(od+id)/2.0 r1=d1/2.0 x1=spoke/2.0+(od-id)/4.0 y1=sqrt(r1*r1-x1*x1) x2=od*x1/r1 y2=od*y1/r1 so=axlDBCreateShape(axlPathStartCircle(list(0:0 od/2.0) 0) t) po=axlPolyFromDB(car(so)) axlDeleteObject(car(so)) pi=axlPolyExpand(po -(od-id)/2 'NONE) p=axlPolyOperation(po pi 'ANDNOT) for(i 1 4 ;four side case(i (1 a=x2:y2 b=-x2:y2 c=x1:y1 d=-x1:y1) (2 a=-x2:-y2 b=x2:-y2 c=-x1:-y1 d=x1:-y1) (3 a=-y2:x2 b=-y2:-x2 c=-y1:x1 d=-y1:-x1) (4 a=y2:-x2 b=y2:x2 c=y1:-x1 d=y1:x1)) path=axlPathArcCenter(axlPathStart(list(b)) 0 a t 0:0) path=axlPathLine(path, 0, 0:0) path=axlPathLine(path, 0, b) si=axlDBCreateShape(path t) pi=axlPolyFromDB(car(si)) axlDeleteObject(car(si)) p=axlPolyOperation(p pi 'ANDNOT) si=axlDBCreateShape(axlPathStartCircle(list(c (od-id)/4.0) 0) t) pi=axlPolyFromDB(car(si)) axlDeleteObject(car(si)) p=axlPolyOperation(p pi 'OR) si=axlDBCreateShape(axlPathStartCircle(list(d (od-id)/4.0) 0) t) pi=axlPolyFromDB(car(si)) axlDeleteObject(car(si)) p=axlPolyOperation(p pi 'OR) ) foreach(onepoly p axlDBCreateShape(onepoly t)) ;done! ;上面代码我本想贴彩色的(比如: ; p=axlPolyOperation(p pi 'ANDNOT) ;cut out spoke... ;可惜该论坛每贴有大小限制。 比较一下和传统的THERMAL-PAD的区别(右边的是传统的):
btw: thermal-pad 叫花焊盘、热焊盘,那ANTI-PAD中文名字如何叫:阻焊盘?反焊盘?[em01]
[此贴子已经被作者于2006-5-25 12:47:43编辑过] |