def view(self, cam=None):
"""
Description
-----------
Use this method to update the camera to the saved location
Parameters
----------
`cam` : vtkRenderingOpenGL2Python.vtkOpenGLCamera, optional
- The camera you wish to view/update in the current render view
"""
if cam is None:
# This allows use to dynamicly select cameras
cam = GetActiveCamera()
orientation = self._getOrientation()
position = self._getPosition()
focus = self._getFocalPoint()
viewup = self._getViewUp()
# set the camera position and orientation
cam.SetPosition(position)
cam.SetViewUp(viewup)
cam.SetFocalPoint(focus)
RenderAllViews()
def screenShot(self,
cam=None,
path=os.path.expanduser('~'),
basenm='view'):
"""
Description
-----------
Save a screenshot of a single camera view
Parameters
----------
`cam` : vtkRenderingOpenGL2Python.vtkOpenGLCamera, optional
- The camera you wish to view then save a screenshot
`path` : string, optional
- The directory you wish to save the screenshot. Defaults to user home directory
`basenm` : string, optional
- The file basename for the screenshot
"""
if cam is None:
# This allows use to dynamicly select cameras
cam = GetActiveCamera()
os.chdir(path)
self.view(cam=cam)
WriteImage("%s.png" % (basenm))
def screenShotViews(views,
cam=None,
path=os.path.expanduser('~'),
basenm='view'):
"""
Description
-----------
Save screenshots of many views/cameras
Parameters
----------
`view` : dict or list
- some iterable object containg multiple `camera` objects
`cam` : vtkRenderingOpenGL2Python.vtkOpenGLCamera, optional
- The camera you wish to view then save a screenshot
`path` : string, optional
- The directory you wish to save the screenshot. Defaults to user home directory
`basenm` : string, optional
- The file basename for the screenshot
"""
if cam is None:
# This allows use to dynamicly select cameras
cam = GetActiveCamera()
def _iter(obj):
return obj if isinstance(obj, dict) else xrange(len(obj))
os.chdir(path)
for v in _iter(views):
views[v].view(cam=cam)
WriteImage("%s_%s.png" % (basenm, v))
def __init__(self, cam=None):
if cam is None:
# This allows use to dynamicly select cameras
cam = GetActiveCamera()
self.orientation = cam.GetOrientation()
self.position = cam.GetPosition()
self.focus = cam.GetFocalPoint()
self.viewup = cam.GetViewUp()
def screenShot(self,
cam=None,
path=os.path.expanduser('~'),
basenm='view'):
"""Save a screenshot of a single camera view
Args:
cam (vtkRenderingOpenGL2Python.vtkOpenGLCamera) : The camera you wish to view then save a screenshot
path (str) : The directory you wish to save the screenshot. Defaults to user home directory
basenm (str) : The file basename for the screenshot
"""
if cam is None:
# This allows use to dynamicly select cameras
cam = GetActiveCamera()
os.chdir(path)
self.view(cam=cam)
WriteImage("%s.png" % (basenm))
def __init__(self, cam=None):
"""
@params:
cam : vtkRenderingOpenGL2Python.vtkOpenGLCamera : optional : The camera you wish to update this object to. Totally optional
"""
if cam is None:
# This allows use to dynamicly select cameras
cam = GetActiveCamera()
self.orientation = cam.GetOrientation()
self.position = cam.GetPosition()
self.focus = cam.GetFocalPoint()
self.viewup = cam.GetViewUp()
def update(self, cam=None):
"""Updates the camera location to that which is in the currently activated view unless a vtkOpenGLCamera is specified.
Args:
cam (vtkRenderingOpenGL2Python.vtkOpenGLCamera) : The camera you wish to update this object to. Totally optional
"""
if cam is None:
# This allows use to dynamicly select cameras
cam = GetActiveCamera()
self.orientation = cam.GetOrientation()
self.position = cam.GetPosition()
self.focus = cam.GetFocalPoint()
self.viewup = cam.GetViewUp()
