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#############################################################
## ##
## Copyright (c) 2003-2011 by The University of Queensland ##
## Earth Systems Science Computational Centre (ESSCC) ##
## http://www.uq.edu.au/esscc ##
## ##
## Primary Business: Brisbane, Queensland, Australia ##
## Licensed under the Open Software License version 3.0 ##
## http://www.opensource.org/licenses/osl-3.0.php ##
## ##
#############################################################
from esys.lsm.vis import core
from Modifier import Pigment
from Color import Colors
import string
class EdgeExtractor(core.EdgeExtractor):
def __init__(
self,
pointListMap = lambda dataRecord: dataRecord.getPointList(),
radiusListMap = lambda dataRecord: 1.0,
colorValListMap = lambda dataRecord: Pigment(Colors.Red),
radiusScale = 1.0
):
core.EdgeExtractor.__init__(
self,
pointListMap,
radiusListMap,
colorValListMap,
radiusScale
)
def getResizedList(self, lst, newLen):
if (not hasattr(lst, "__iter__")):
newLst = [lst]
else:
newLst = list(lst)
if (len(newLst) < newLen):
newLst = newLst*((newLen/(len(newLst))) + 1)
del newLst[newLen:]
return newLst
def writeSdl(self, f, record):
ptList = self.getPointList(record)
numPts = len(ptList)
radiusList = \
self.getResizedList(self.getRadiusList(record), numPts)
colorList = \
self.getResizedList(self.getColorValList(record), numPts)
for i in range(0, numPts-1):
f.write("cone {\n<")
f.write(string.join(map(str,ptList[i]), ","))
f.write(">,")
f.write(str(radiusList[i]*self.getRadiusScale()))
f.write("\n<")
f.write(string.join(map(str,ptList[i+1]), ","))
f.write(">,")
f.write(str(radiusList[i+1]*self.getRadiusScale()))
f.write("\n")
if (hasattr(colorList[i], "writeSdl")):
colorList[i].writeSdl(f)
f.write("}\n")
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