精确包容体(附grip源码)

zhangcanwei

这些年老是有人在说什么最大盒子、包容体的事情。这很重要吗？可能我不做塑胶模体会不到。现发上一个程序，回报网络。

ENTITY/objct(90000),objct1,objct2,CSYS1
ENTITY/P1,P2,P3
ENTITY/x_plan,xplan,y_plan,yplan,z_plan,zplan
$$这些分别表示三个坐标轴的正负向的平面
NUMBER/selrsp,indrsp,xPt,yPt,zPt
NUMBER/x_mPt,xmPt,y_mPt,ymPt,z_mPt,zmPt,x_max,y_max,z_max
NUMBER/xmax,ymax,zmax,xmin,ymin,zmin
$$表示实体上面的六个极点数据等
NUMBER/inidst,mindst(7)
NUMBER/sign
NUMBER/numobj,numstp
inidst=50000
$$表示把六个定位平面放到工作坐标系的远处
$$ins10:
$$GPOS/'Indicate WCS',xPt,yPt,zPt,indrsp
$$IF/indrsp==1,JUMP/ins10:
$$P1=POINT/xPt,yPt,zPt
$$P2=POINT/xPt+50,yPt,zPt
$$P3=POINT/xPt,yPt+50,zPt
$$CSYS1=CSYS/P1,P2,P3,ORIGIN,P1
$$&WCS=CSYS1
$$&WCSDRW=&YES
$$DELETE/P1,P2,P3
$$xPt=0
$$yPt=0
$$zPt=0
$$ &WCS=&ABS
$$下面创建六个平面
x_plan=PLANE/YZPLAN,-inidst
xplan=PLANE/YZPLAN,inidst
y_plan=PLANE/XZPLAN,-inidst
yplan=PLANE/XZPLAN,inidst
z_plan=PLANE/XYPLAN,-inidst
zplan=PLANE/XYPLAN,inidst
ins2:
MASK/OMIT,10,14,15,25,26,29,45,196,197
$$上面把一些不能用于距离判断的OBJECT滤去
IDENT/'Select an object',objct,CNT,numobj,selrsp $$选择目标体
IF/selrsp==1,JUMP/ins2:
IF/selrsp==2,JUMP/idover:
IF/numobj==0,JUMP/idover:
mindst=RELDST/x_plan,objct(1)
xmin=mindst(4)
mindst=RELDST/xplan,objct(1)
xmax=mindst(4)
mindst=RELDST/y_plan,objct(1)
ymin=mindst(5)
mindst=RELDST/yplan,objct(1)
ymax=mindst(5)
mindst=RELDST/z_plan,objct(1)
zmin=mindst(6)
mindst=RELDST/zplan,objct(1)
zmax=mindst(6)
$$下面求出最小值
DO/overdo:,numstp,1,numobj,1
    mindst=RELDST/x_plan,objct(numstp)
    x_mPt=mindst(4)
    IF/xmin>x_mPt,xmin=x_mPt
    mindst=RELDST/xplan,objct(numstp)
    xmPt=mindst(4)
    IF/xmax<xmPt,xmax=xmPt
    mindst=RELDST/y_plan,objct(numstp)
    y_mPt=mindst(5)
    IF/ymin>y_mPt,ymin=y_mPt
    mindst=RELDST/yplan,objct(numstp)
    ymPt=mindst(5)
    IF/ymax<ymPt,ymax=ymPt
    mindst=RELDST/z_plan,objct(numstp)
    z_mPt=mindst(6)
    IF/zmin>z_mPt,zmin=z_mPt
    mindst=RELDST/zplan,objct(numstp)
    zmPt=mindst(6)
    IF/zmax<zmPt,zmax=zmPt
overdo:
x_mPt=xmin
y_mPt=ymin
z_mPt=zmin
xmPt=xmax
ymPt=ymax
zmPt=zmax
$$objct1 = SOLBLK/ORIGIN,x_mPt,y_mPt,z_mPt,SIZE,xmPt-x_mPt,ymPt-y_mPt,zmPt-z_mPt
DELETE/x_plan
DELETE/y_plan
DELETE/z_plan
DELETE/xplan
DELETE/yplan
DELETE/zplan
$$删除六个参考平面

$$------下面是圆整程序
$$xPt=(x_mPt+xmPt)/2
$$yPt=(y_mPt+ymPt)/2
$$zPt=z_mPt
$$IFTHEN/xPt>=0
$$    sign=1
$$ELSE
$$    sign=-1
$$ENDIF
$$xPt=sign*INTF(100*(ABSF(xPt))+0.5)/100
$$IFTHEN/yPt>=0
$$    sign=1
$$ELSE
$$    sign=-1
$$ENDIF
$$yPt=sign*INTF(100*(ABSF(yPt))+0.5)/100
$$IFTHEN/zPt>=0
$$    sign=1
$$ELSE
$$    sign=-1
$$ENDIF
$$zPt=sign*INTF(100*ABSF(z_mPt)+0.5)/100
$$x_max=INTF(100*ABSF(MAXF(absf(xPt-x_mPt),absf(xPt-xmPt))+0.5))/100
$$y_max=INTF(100*ABSF(MAXF(absf(yPt-y_mPt),absf(yPt-ymPt))+0.5))/100
$$z_max=INTF(100*ABSF(MAXF(absf(zPt-z_mPt),absf(zPt-zmPt))+0.5))/100
$$------以上是圆整程序,对底面中心点圆整到小数点后2位,并求出最大的半长度圆整值

IFTHEN/xmPt-x_mPt==0
    MESSG/'X Axis size of The block is wrong'
    JUMP/idover:
ENDIF
IFTHEN/ymPt-y_mPt==0
    MESSG/'Y Axis size of The block is wrong'
    JUMP/idover:
ENDIF
IFTHEN/zmPt-z_mPt==0
    MESSG/'Z Axis size of The block is wrong'
    JUMP/idover:
ENDIF
objct1 = SOLBLK/ORIGIN,x_mPt,y_mPt,z_mPt,SIZE,xmPt-x_mPt,ymPt-y_mPt,zmPt-z_mPt
xPt=(x_mPt+xmPt)/2
yPt=(y_mPt+ymPt)/2
zPt=z_mPt
P1=POINT/xPt,yPt,zPt
P2=POINT/xPt+50,yPt,zPt
P3=POINT/xPt,yPt+50,zPt
CSYS1=CSYS/P1,P2,P3,ORIGIN,P1
&WCS=CSYS1
&WCSDRW=&YES
DELETE/P1,P2,P3
idover:
HALT

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