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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 ##
## ##
#############################################################
import string
from Color import Colors
from esys.lsm.vis.core import Vec3
def writeVec(f, vec):
f.write("<")
f.write(string.join(map(str,vec), ","))
f.write(">")
class Background(object):
def __init__(self, color):
self.color = color
def writeSdl(self, f):
f.write("background {")
self.color.writeSdl(f)
f.write("}")
class Plane(object):
def __init__(self, posn, normal):
self.posn = Vec3(posn)
self.normal = Vec3(normal)
self.normal = self.normal/(self.normal.norm())
self.pigment = None
def setPigment(self, pigment):
self.pigment = pigment
def writeSdl(self, f):
d = self.posn.dot(self.normal)
f.write("\nplane {")
writeVec(f, self.normal)
f.write(",%s " % d)
if (self.pigment != None):
self.pigment.writeSdl(f)
f.write("}")
class LightSource(object):
def __init__(self, posn, color=Colors.White, type="shadowless"):
self.posn = posn
self.color = color
self.type = type
def getPosn(self):
return self.posn
def setPosn(self, posn):
self.posn = posn
def getColor(self):
return self.color
def setColor(self, color):
self.color = color
def writeSdl(self, f):
f.write("light_source {\n<")
f.write(string.join(map(str,self.getPosn()), ","))
f.write(">\n")
self.getColor().writeSdl(f)
f.write("\n")
f.write(str(self.type))
f.write("\n}")
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