def errorBlend(self,bcs): # Arg is baryCoords of an image point.
sumVec = (0.0, 0.0)
for bc,errVec in zip(bcs,self.error):
sumVec = geom.ptOffset(sumVec, errVec, -bc) # Negate the error.
pass
return sumVec
lineHead = m1.group(1)
data = [float(f) for f in m1.groups()[1:]]
# XXX Horrid Hack Warning - We need right-handed coordinates,
# but the image Y coordinate goes down from 0 at the top.
# Negate it internally.
pixLoc = geom.ptBlend((data[0], -data[1]), (data[2], -data[3]))
wcLoc = (data[4], data[5])
wAng = data[6]
# Find the quadrant by looking at the center edges of the triangles.
# We can actually blend linearly past the outer edges...
for iTri in range(nPts-1):
# Get the barycentric coords of the image point.
bcs = triangles[iTri].baryCoords(pixLoc)
if bcs[1] >= 0.0 and bcs[2] >= 0.0:
# This is the triangle containing this image point.
newLoc = geom.ptOffset(wcLoc, triangles[iTri].errorBlend(bcs))
##print "pixLoc %s, iTri %d, bcs %s"%(pixLoc, iTri, bcs)
##print "triangles[%d] %s"%(iTri, triangles[iTri])
print "%s(%f,%f,%f)"%(lineHead, newLoc[0], newLoc[1], wAng)
break
pass
pass
gridLine = gridData.readline()
pass
def errorBlend(self, bcs): # Arg is baryCoords of an image point.
sumVec = (0.0, 0.0)
for bc, errVec in zip(bcs, self.error):
sumVec = geom.ptOffset(sumVec, errVec, -bc) # Negate the error.
pass
return sumVec