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#############################################################
## ##
## Copyright (c) 2003-2017 by The University of Queensland ##
## Centre for Geoscience Computing ##
## http://earth.uq.edu.au/centre-geoscience-computing ##
## ##
## Primary Business: Brisbane, Queensland, Australia ##
## Licensed under the Open Software License version 3.0 ##
## http://www.apache.org/licenses/LICENSE-2.0 ##
## ##
#############################################################
from __future__ import print_function
import string
import os
import os.path
import itertools
from esys.lsm.vis import core
from .povRenderer import PovRenderer
from .object import Background
from .camera import LightedCamera
from .color import Colors, RgbColor
class Renderer:
def __init__(self):
self.povRenderer = None
self.background = Background(color=Colors.White)
self.camera = self.getDefaultCamera()
def getDefaultCamera(self):
return LightedCamera(posn=[0,0,-10], lookAt=[0,0,0])
def getCamera(self):
return self.camera
def setCamera(self, camera):
self.camera = camera
def getPovRenderer(self):
if (self.povRenderer == None):
self.povRenderer = PovRenderer()
return self.povRenderer
def setOffScreen(self, doOffScreen):
self.getPovRenderer().setOffScreen(doOffScreen)
def getOffScreen(self):
return self.getPovRenderer().getOffScreen()
def setInteractive(self, interactive):
self.getPovRenderer().setInteractive(interactive)
def getInteractive(self):
return self.getPovRenderer().getInteractive()
def setSize(self, size):
self.getPovRenderer().setSize(size)
def getSize(self):
return self.getPovRenderer().getSize()
def clear(self):
pass
def setBackground(self, color):
self.background = Background(color)
def getBackground(self):
return self.background
def getRendererObjectList(self):
return [self.getBackground(), self.getCamera()]
def getImageFormat(self, fileName):
return core.getFormatFromExtension(fileName)
def getObjectList(self):
return self.objectList
def setObjectList(self, objectList):
self.objectList = objectList
def writeSdl(self, f, objectList):
self.getCamera().setAspect(self.getSize())
for o in itertools.chain(self.getRendererObjectList(), objectList):
o.writeSdl(f)
print("\n",file=f)
def render(self, objectList, fileName = None, imageFormat = None):
if (fileName != None):
if (imageFormat == None):
imageFormat = self.getImageFormat(fileName)
self.getPovRenderer().setFileName(fileName, imageFormat)
f = self.getPovRenderer().openInput()
self.writeSdl(f, objectList)
self.getPovRenderer().closeInput()
class RenderDefaults(core.RenderDefaults):
pass
class Scene(core.Scene):
def __init__(self, renderDefaults=None):
self.renderer = None
core.Scene.__init__(self, renderDefaults)
self.initialise()
def getRenderer(self):
if (self.renderer == None):
self.renderer = Renderer()
return self.renderer
def setBackground(self, color):
self.getRenderer().setBackground(
RgbColor(color[0],color[1],color[2],color.getName())
)
def getCamera(self):
return self.getRenderer().getCamera()
def setCamera(self, camera):
return self.getRenderer().setCamera(camera)
def clear(self):
core.Scene.clear(self)
self.getRenderer().clear()
def render(
self,
offScreen = None,
interactive = None,
fileName = None,
imageFormat = None,
size = None
):
(offScreen, size, interactive) = \
self.getRenderDefaults(offScreen, size, interactive)
self.getRenderer().clear()
self.getRenderer().setOffScreen(offScreen)
self.getRenderer().setInteractive(interactive)
self.getRenderer().setSize(size)
self.getRenderer().setObjectList(self.objectList)
self.getRenderer().render(self.objectList, fileName, imageFormat)
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