def Setup(self, stlfile):
if type(stlfile) in (type(r""), type(u""), type("")) and os.path.isfile(stlfile):
r = STLTools.reader(stlfile)
fl = open(stlfile, r.isascii and "r" or "rb")
r.ReadFacets(fl)
fl.close()
self.xlo, self.xhi, self.ylo, self.yhi, self.zlo, self.zhi = r.mr.xlo, r.mr.xhi, r.mr.ylo, r.mr.yhi, r.mr.zlo, r.mr.zhi
elif type(stlfile) == type((0,)):
self.xlo, self.xhi, self.ylo, self.yhi, self.zlo, self.zhi = stlfile
elif not stlfile:
return
w, h = self.siz
self.margin = 10
sx = (float(w) - 2.0 * self.margin) / (self.xhi - self.xlo)
sy = (float(h) - 2.0 * self.margin) / (self.yhi - self.ylo)
if sx > sy:
sx = sy
else:
sy = sx
px = float(w) * 0.5 - sx * (self.xhi + self.xlo) * 0.5
py = float(h) * 0.5 - sy * (self.yhi + self.ylo) * 0.5
self.pan = (px, py)
self.scale = (sx, sy)
def LoadSurfaceWithList(fn, workplane):
class Wrapper:
def __init__(self, fssurf, workplane):
if workplane:
self.fs = STLTools.FacetTrans(workplane, fssurf)
else:
self.fs = fssurf
self.trialist = [ ]
def PushTriangle(self, x0, y0, z0, x1, y1, z1, x2, y2, z2):
self.trialist.append((x0, y0, z0, x1, y1, z1, x2, y2, z2))
self.fs.PushTriangle(x0, y0, z0, x1, y1, z1, x2, y2, z2)
fssurf = fsp.FsSurf.New() # surface object
w = Wrapper(fssurf, workplane)
# read STL file and call PushTriangle (method in fssurf) for each triangle
r = STLTools.reader(fn)
fl = open(fn, r.isascii and "r" or "rb")
try:
if r.isascii:
r.AsciiReadFacets(fl, w)
else:
r.BinaryReadFacets(fl, w)
except:
sys.stderr.write("Failed to read STL file: %s" % fn)
fl.close()
return
fl.close()
fssurf.Build(1.0) # build surface boxing
return (fssurf, w.trialist)
def __init__(self, fn, stlfile, w, h, rad, offset):
SliceWriterNone.__init__(self, fn, w, h)
self.fil = open(fn, "wb")
if type(stlfile) == type((0,)):
xlo, xhi, ylo, yhi, zlo, zhi = stlfile
else:
# CLI has to be moved into "positive" space
r = STLTools.reader(stlfile)
fl = open(stlfile, r.isascii and "r" or "rb")
r.ReadFacets(fl)
fl.close()
xlo, xhi, ylo, yhi = r.mr.xlo, r.mr.xhi, r.mr.ylo, r.mr.yhi
if rad != None and offset != None:
panx, pany = self.pan
if (xlo < (rad - offset)):
panx = -xlo + (rad - offset) + 0.1
if (ylo < (rad - offset)):
pany = -ylo + (rad - offset) + 0.1
self.pan = panx, pany
if (self.pan != (0, 0)):
print "Moving for CLI: ", self.pan
def LoadSurface(fn, workplane):
fssurf = fsp.FsSurf.New() # surface object
# read STL file and call PushTriangle (method in fssurf) for each triangle
r = STLTools.reader(fn)
if workplane:
fs = STLTools.FacetTrans(workplane, fssurf)
else:
fs = fssurf
fl = open(fn, r.isascii and "r" or "rb")
try:
if r.isascii:
r.AsciiReadFacets(fl, fs)
else:
r.BinaryReadFacets(fl, fs)
except:
sys.stderr.write("Failed to read STL file: %s" % fn)
fl.close()
return
fl.close()
fssurf.Build(1.0) # build surface boxing
return fssurf
