Author: eudoxos
Date: 2009-06-30 00:09:04 +0200 (Tue, 30 Jun 2009)
New Revision: 1825
Modified:
trunk/gui/py/pack.py
Log:
1. Padding support (though slow and not very precise) for pack.inGtsSurface
Modified: trunk/gui/py/pack.py
===================================================================
--- trunk/gui/py/pack.py 2009-06-29 21:06:22 UTC (rev 1824)
+++ trunk/gui/py/pack.py 2009-06-29 22:09:04 UTC (rev 1825)
@@ -21,14 +21,17 @@
surf=gts.read(open('horse.gts'))
inGtsSurface(surf)
- Note: padding is not supported, warning is given and zero used instead.
+ Note: padding is optionally supported by testing 6 points along the
axes in the pad distance. This
+ must be enabled in the ctor by saying doSlowPad=True. If it is not
enabled and pad is not zero,
+ warning is issued.
"""
- def __init__(self,surf):
+ def __init__(self,surf,doSlowPad=False):
# call base class ctor; necessary for virtual methods to work
as expected.
# see comments in _packPredicates.cpp for struct PredicateWrap.
super(inGtsSurface,self).__init__()
if not surf.is_closed(): raise RuntimeError("Surface for
inGtsSurface predicate must be closed.")
self.surf=surf
+ self.doSlowPad=doSlowPad
inf=float('inf')
mn,mx=[inf,inf,inf],[-inf,-inf,-inf]
for v in surf.vertices():
@@ -39,8 +42,11 @@
def aabb(self): return self.mn,self.mx
def __call__(self,_pt,pad=0.):
p=gts.Point(*_pt)
- if(pad!=0): warnings.warn("Pad distance not supported for GTS
surfaces, using 0 instead.")
- return p.is_inside(self.surf)
+ if not self.doSlowPad:
+ if pad!=0: warnings.warn("Pad distance not supported
for GTS surfaces, using 0 instead.")
+ return p.is_inside(self.surf)
+
pp=[gts.Point(_pt[0]-pad,_pt[1],_pt[2]),gts.Point(_pt[0]+pad,_pt[1],_pt[2]),gts.Point(_pt[0],_pt[1]-pad,_pt[2]),gts.Point(_pt[0],_pt[1]+pad,_pt[2]),gts.Point(_pt[0],_pt[1],_pt[2]-pad),gts.Point(_pt[0],_pt[1],_pt[2]+pad)]
+ return p.is_inside(self.surf) and pp[0].is_inside(self.surf)
and pp[1].is_inside(self.surf) and pp[2].is_inside(self.surf) and
pp[3].is_inside(self.surf) and pp[4].is_inside(self.surf) and
pp[5].is_inside(self.surf)
def gtsSurface2Facets(surf,**kw):
"""Construct facets from given GTS surface. **kw is passed to
utils.facet."""
_______________________________________________
Mailing list: https://launchpad.net/~yade-dev
Post to : [email protected]
Unsubscribe : https://launchpad.net/~yade-dev
More help : https://help.launchpad.net/ListHelp
