def instantiate_observation(camera, pzInputMxs, pzOutputMxs):
""" copy ``pzInputMxs`` to ``pzOutputMxs`` and create a sequence of maxwell cameras in pzOutputMxs according to ``camera``
Methods: instantiate_observation(CCamera camera, str pzInputMxs, str pzOutputMxs)
Args:
camera(CCamera): which to be instantiate
pzInputMxs(str): the source path of the original maxwell scene file
pzOutputMxs(str): the destination of the output maxwell scene file
Note:
* If the file of pzOutputMxs exists, it will be deleted except it is the same as pzInputMxs
* It is highly recommended that the output file differ from the input file
"""
if pzInputMxs != pzOutputMxs:
if Os.path.isfile(pzOutputMxs):
print("Follwoing file exists: " + pzOutputMxs)
print("We will remove it")
ShUtil.rmtree(pzOutputMxs)
ShUtil.copy(pzInputMxs, pzOutputMxs)
curScene = MXS.readMXS(pzInputMxs)
for frameIdx in range(camera.getFramesCount()):
cameraName = "frame{}".format(frameIdx)
camera.instantilize(curScene, cameraName, frameIdx)
set_render_parameters(curScene, Os.path.basename(pzOutputMxs))
MXS.writeMXS(curScene, pzOutputMxs)
curScene.freeScene()
def instantiate_frames(camera, pzInputMxs, pzOutputDir):
if Os.path.isdir(pzOutputDir):
print("Following directory exists: " + pzOutputDir)
print("We will remove the content under it")
ShUtil.rmtree(pzOutputDir)
Os.mkdir(pzOutputDir)
for frameIdx in range(camera.getFramesCount()):
pzCurFile = Os.path.join(pzOutputDir, "frame{}.mxs".format(frameIdx))
ShUtil.copy(pzInputMxs, pzCurFile)
curScene = MXS.readMXS(pzCurFile)
cameraName = "camera"
camera.instantilize(curScene, cameraName, frameIdx)
set_render_parameters(curScene)
MXS.writeMXS(curScene, pzCurFile)
curScene.freeScene()
