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from vtkmodules.test import Testing as vtkTesting
import sys
class TestDynamic(vtkTesting.vtkTest):
def test(self):
from vtkmodules.vtkSerializationManager import vtkObjectManager
from vtkmodules.vtkFiltersSources import vtkConeSource
from vtkmodules.vtkRenderingCore import vtkActor, vtkPolyDataMapper, vtkRenderer, vtkRenderWindow, vtkRenderWindowInteractor
ser_om = vtkObjectManager()
ser_om.Initialize()
deser_om = vtkObjectManager()
deser_om.Initialize()
s = vtkConeSource()
m = vtkPolyDataMapper()
m.SetInputConnection(s.GetOutputPort())
a = vtkActor()
a.SetMapper(m)
r = vtkRenderer()
r.AddActor(a)
rw = vtkRenderWindow()
rw.AddRenderer(r)
rwi = vtkRenderWindowInteractor()
rwi.SetRenderWindow(rw)
rw.Render()
last_mtimes = dict()
def serialize(id_rwi):
ser_om.UpdateStatesFromObjects()
active_ids = ser_om.GetAllDependencies(0)
for vtk_id in active_ids:
vtk_obj = ser_om.GetObjectAtId(vtk_id)
status = dict(ids=[], mtimes=[], hashes=[])
status['ids'] = active_ids
status['mtimes'] = { object_id: ser_om.GetObjectAtId(object_id).GetMTime() for object_id in active_ids }
status['hashes'] = { blob_hash: ser_om.GetBlob(blob_hash) for blob_hash in ser_om.GetBlobHashes(active_ids) }
return status
def deserialize(status: dict):
if not len(status.get('ids')):
return
deser_om.PruneUnusedBlobs()
for object_id in status.get('ids'):
new_mtime = status.get('mtimes').get(object_id)
last_mtime = last_mtimes.get(object_id)
if last_mtime is not None and new_mtime is not None:
if last_mtime < new_mtime:
deser_om.UnRegisterState(object_id)
deser_om.RegisterState(ser_om.GetState(object_id))
elif last_mtime is None:
deser_om.RegisterState(ser_om.GetState(object_id))
last_mtimes.update({object_id: new_mtime})
for hash_text, blob in status.get('hashes').items():
deser_om.RegisterBlob(hash_text, blob)
deser_om.UpdateObjectsFromStates()
active_ids = deser_om.GetAllDependencies(0)
renderWindow = deser_om.GetObjectAtId(id_rwi).GetRenderWindow()
renderWindow.SetPosition(400, 1)
renderWindow.Render()
id_rwi = ser_om.RegisterObject(rwi)
maxRes = 8
for i in range(4, maxRes, 1):
s.SetResolution(i)
m.SetInputConnection(s.GetOutputPort())
rw.Render()
deserialize(serialize(id_rwi))
for i in range(maxRes - 1, 3, -1):
s.SetResolution(i)
m.SetInputConnection(s.GetOutputPort())
rw.Render()
deserialize(serialize(id_rwi))
if __name__ == "__main__":
vtkTesting.main([(TestDynamic, 'test')])
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