lvidx131
==========


parsurf.bb.min.z goes lower
-----------------------------

::


    11    10.035        AmCCo60AcrylicContainer0xc0b23b8 lvidx 131 nsp    219                             
    union sphere cylinder   nds[  6]  4567 4655 4737 6227 6315 6397 . 
        
          10.035        AmCCo60AcrylicContainer0xc0b23b8 lvidx 131 nsp    219 

          amn (    -10.035   -10.035   -24.900)    
          bmn (    -10.035   -10.035   -14.865) 
          dmn (      0.000     0.000   -10.035) 

          amx (     10.035    10.035    24.900) 
          bmx (     10.035    10.036    24.899) 
          dmx (     -0.000    -0.001     0.000)


manual bb matches parsurf
----------------------------

::

     78 # generated by tboolean.py : 20170706-1446 
     79 # opticks-;opticks-tbool 131 
     80 # opticks-;opticks-tbool-vi 131 
     81 
     82 
     83 a = CSG("cylinder", param = [0.000,0.000,0.000,10.035],param1 = [-14.865,14.865,0.000,0.000])
     84 b = CSG("sphere", param = [0.000,0.000,0.000,10.035],param1 = [0.000,0.000,0.000,0.000])
     85 b.transform = [[1.000,0.000,0.000,0.000],[0.000,0.000,-1.000,0.000],[0.000,1.000,0.000,0.000],[0.000,0.000,14.865,1.000]]
     86 ab = CSG("union", left=a, right=b)

     ##         10.035 + 14.865 =  24.9
     ##        -10.035 - 14.865 = -24.9 

     87 
     88 c = CSG("sphere", param = [0.000,0.000,0.000,10.035],param1 = [0.000,0.000,0.000,0.000])
     89 c.transform = [[1.000,0.000,0.000,0.000],[0.000,0.000,1.000,0.000],[0.000,-1.000,0.000,0.000],[0.000,0.000,-14.865,1.000]]
     90 abc = CSG("union", left=ab, right=c)
     91 
     92