def flush_render_buffer():
'''When running as a single process use the WindowToImage filter to
force a framebuffer read. This bypasses driver optimizations that
perform lazy rendering and allows you to get actual frame rates for
a single process with a GPU. Multi-process doesn't need this since
compositing forces the frame buffer read.
'''
# If we're not using off-screen rendering then we can bypass this since
# the frame buffer display will force a GL flush
w = GetRenderView().SMProxy.GetRenderWindow()
if not w.GetOffScreenRendering():
return
from vtkmodules.vtkRenderingCore import vtkWindowToImageFilter
from vtkmodules.vtkParallelCore import vtkMultiProcessController
# If we're using MPI we can also bypass this since compositing will
# for a GL flush
controller = vtkMultiProcessController.GetGlobalController()
if controller.GetNumberOfProcesses() > 1:
return
# Force a GL flush by retrieving the frame buffer image
w2i = vtkWindowToImageFilter()
w2i.ReadFrontBufferOff()
w2i.ShouldRerenderOff()
w2i.SetInput(w)
w2i.Modified()
w2i.Update()
def __init__(self):
# WARNING: this does not work inside the plugin
# unless you have the same import in paraview-vis.py
from mpi4py import MPI
self._node = ascent_extract.ascent_data().child(0)
self._timeStep = -1
self._cycle = self._node["state/cycle"]
self._time = self._node["state/time"]
self._domain_id = self._node["state/domain_id"]
# topology and coords are set only if there is only one topology,
# otherwise they are none.
self._topology = None
self._coords = None
self._outputType = None
self._extension = None
self._comm = MPI.Comm.f2py(ascent_extract.ascent_mpi_comm_id())
self._mpi_rank = self._comm.Get_rank()
self._mpi_size = self._comm.Get_size()
self._whole_extent = np.zeros(6, dtype=int)
self._extent = np.zeros(6, dtype=int)
self._topologies = topology_names(self._node)
# setup VTK / ParaView global controler
vtkComm = vtkMPI4PyCommunicator.ConvertToVTK(self._comm)
controller = vtkMultiProcessController.GetGlobalController()
if controller is None:
controller = vtkMPIController()
vtkMultiProcessController.SetGlobalController(controller)
controller.SetCommunicator(vtkComm)
# we have as many output ports as topologies
VTKPythonAlgorithmBase.__init__(self,
nInputPorts=0,
nOutputPorts=len(self._topologies),
outputType=None)
def run(output_basename='log',
dimension=100,
view_size=(1920, 1080),
num_frames=10,
save_logs=True,
transparency=False,
ospray=False):
from vtkmodules.vtkParallelCore import vtkMultiProcessController
from vtkmodules.vtkCommonSystem import vtkTimerLog
controller = vtkMultiProcessController.GetGlobalController()
view = get_render_view(view_size)
if ospray:
view.EnableOSPRay = 1
print('Generating wavelet')
wavelet = Wavelet()
d2 = dimension / 2
wavelet.WholeExtent = [-d2, d2, -d2, d2, -d2, d2]
wavelet.Maximum = 100.0
waveletDisplay = Show()
waveletDisplay.SetRepresentationType('Outline')
print('Calculating 10 isocontours')
contour = Contour(Input=wavelet)
contour.ContourBy = ['POINTS', 'RTData']
contour.PointMergeMethod = 'Uniform Binning'
contour.ComputeScalars = 1
contour.Isosurfaces = list(map(float, range(10, 110, 10)))
contourDisplay = Show()
contourDisplay.SetRepresentationType('Surface')
ColorBy(contourDisplay, ('POINTS', 'RTData'))
contourDisplay.RescaleTransferFunctionToDataRange(True, False)
if transparency:
print('Enabling 50% transparency')
contourDisplay.Opacity = 0.5
print('Repositioning initial camera')
c = GetActiveCamera()
c.Azimuth(22.5)
c.Elevation(22.5)
print('Rendering first frame')
Render()
print('Saving frame 0 screenshot')
import math
fdigits = int(math.ceil(math.log(num_frames, 10)))
frame_fname_fmt = output_basename + '.scene.f%(f)0' + str(
fdigits) + 'd.tiff'
SaveScreenshot(frame_fname_fmt % {'f': 0})
print('Gathering geometry counts')
vtkTimerLog.MarkStartEvent('GetViewItemStats')
num_polys = 0
num_points = 0
for r in view.Representations:
num_polys += r.GetRepresentedDataInformation().GetNumberOfCells()
num_points += r.GetRepresentedDataInformation().GetNumberOfPoints()
vtkTimerLog.MarkEndEvent('GetViewItemStats')
print('Beginning benchmark loop')
deltaAz = 45.0 / num_frames
deltaEl = 45.0 / num_frames
memtime_stamp()
fpsT0 = dt.datetime.now()
for frame in range(1, num_frames):
c.Azimuth(deltaAz)
c.Elevation(deltaEl)
Render()
flush_render_buffer()
memtime_stamp()
fpsT1 = dt.datetime.now()
if controller.GetLocalProcessId() == 0:
if save_logs:
# Save the arguments this was executed with
with open(output_basename + '.args.txt', 'w') as argfile:
argfile.write(
str({
'output_basename': output_basename,
'dimension': dimension,
'view_size': view_size,
'num_frames': num_frames,
'transparency': transparency,
'ospray': ospray,
'save_logs': save_logs
}))
# Save the memory statistics collected
with open(output_basename + '.mem.txt', 'w') as ofile:
ofile.write('\n'.join([str(x) for x in records]))
# Process frame timing statistics
logparser.summarize_results(num_frames,
(fpsT1 - fpsT0).total_seconds(), num_polys,
'Polys', save_logs, output_basename)
print('Points / Frame:', num_points)
def run(output_basename='log', num_spheres=8, num_spheres_in_scene=None,
resolution=725, view_size=(1920, 1080), num_frames=10, save_logs=True,
transparency=False, ospray=False):
if num_spheres_in_scene is None:
num_spheres_in_scene = num_spheres
from vtkmodules.vtkParallelCore import vtkMultiProcessController
from vtkmodules.vtkCommonSystem import vtkTimerLog
controller = vtkMultiProcessController.GetGlobalController()
view = get_render_view(view_size)
if ospray:
view.EnableOSPRay = 1
print('Generating bounding box')
import math
edge = math.ceil(math.pow(num_spheres_in_scene, (1.0 / 3.0)))
box = Box()
box.XLength = edge
box.YLength = edge
box.ZLength = edge
box.Center = [edge * 0.5, edge * 0.5, edge * 0.5]
boxDisplay = Show()
boxDisplay.SetRepresentationType('Outline')
print('Generating all spheres')
gen = ProgrammableSource(Script='''
import math
from vtkmodules.vtkParallelCore import vtkMultiProcessController
from vtkmodules.vtkFiltersSources import vtkSphereSource
from vtkmodules.vtkFiltersCore import vtkAppendPolyData
from vtkmodules.vtkCommonDataModel import vtkPolyData
try:
num_spheres
except:
num_spheres = 8
try:
num_spheres_in_scene
except:
num_spheres_in_scene = num_spheres
try:
res
except:
res = 725
edge = math.ceil(math.pow(num_spheres_in_scene, (1.0 / 3.0)))
controller = vtkMultiProcessController.GetGlobalController()
np = controller.GetNumberOfProcesses()
p = controller.GetLocalProcessId()
ns=lambda rank:num_spheres/np + (1 if rank >= np-num_spheres%np else 0)
# Not sure why but the builtin sum() gives wierd results here so we'll just
# so it manually
start=0
for r in range(0,p):
start += int(ns(r))
end=start+ns(p)
ss = vtkSphereSource()
ss.SetPhiResolution(res)
ss.SetThetaResolution(res)
ap = vtkAppendPolyData()
print(' source %d: generating %d spheres from %d to %d' % (p, end-start, start, end))
for x in range(start,end):
i = x%edge
j = math.floor((x / edge))%edge
k = math.floor((x / (edge * edge)))
ss.SetCenter(i + 0.5,j + 0.5,k + 0.5)
ss.Update()
pd = vtkPolyData()
pd.ShallowCopy(ss.GetOutput())
# pd.GetPointData().RemoveArray('Normals')
ap.AddInputData(pd)
ap.Update()
self.GetOutput().ShallowCopy(ap.GetOutput())
''')
paramprop = gen.GetProperty('Parameters')
paramprop.SetElement(0, 'num_spheres_in_scene')
paramprop.SetElement(1, str(num_spheres_in_scene))
paramprop.SetElement(2, 'num_spheres')
paramprop.SetElement(3, str(num_spheres))
paramprop.SetElement(4, 'res')
paramprop.SetElement(5, str(resolution))
gen.UpdateProperty('Parameters')
print('Assigning colors')
pidScale = ProcessIdScalars()
pidScaleDisplay = Show()
pidScaleDisplay.SetRepresentationType('Surface')
if transparency:
print('Enabling 50% transparency')
pidScaleDisplay.Opacity = 0.5
print('Repositioning initial camera')
c = GetActiveCamera()
c.Azimuth(22.5)
c.Elevation(22.5)
print('Rendering first frame')
Render()
print('Saving frame 0 screenshot')
fdigits = int(math.ceil(math.log(num_frames, 10)))
frame_fname_fmt = output_basename + '.scene.f%(f)0' + str(fdigits) + 'd.tiff'
SaveScreenshot(frame_fname_fmt % {'f': 0})
print('Gathering geometry counts')
vtkTimerLog.MarkStartEvent('GetViewItemStats')
num_polys = 0
num_points = 0
for r in view.Representations:
num_polys += r.GetRepresentedDataInformation().GetNumberOfCells()
num_points += r.GetRepresentedDataInformation().GetNumberOfPoints()
vtkTimerLog.MarkEndEvent('GetViewItemStats')
print('Beginning benchmark loop')
deltaAz = 45.0 / num_frames
deltaEl = 45.0 / num_frames
memtime_stamp()
fpsT0 = dt.datetime.now()
for frame in range(1, num_frames):
c.Azimuth(deltaAz)
c.Elevation(deltaEl)
Render()
flush_render_buffer()
memtime_stamp()
fpsT1 = dt.datetime.now()
if controller.GetLocalProcessId() == 0:
if save_logs:
# Save the arguments this was executed with
with open(output_basename + '.args.txt', 'w') as argfile:
argfile.write(str({
'output_basename': output_basename,
'num_spheres': num_spheres,
'num_spheres_in_scene': num_spheres_in_scene,
'resolution': resolution, 'view_size': view_size,
'num_frames': num_frames, 'save_logs': save_logs,
'transparency': transparency, 'ospray': ospray}))
# Save the memory statistics collected
with open(output_basename + '.mem.txt', 'w') as ofile:
ofile.write('\n'.join([str(x) for x in records]))
# Process frame timing statistics
logparser.summarize_results(num_frames, (fpsT1-fpsT0).total_seconds(),
num_polys, 'Polys', save_logs,
output_basename)
print('Points / Frame: %d' % (num_points))
def run(output_basename='log',
dimension=100,
view_size=(1920, 1080),
num_frames=10,
save_logs=True,
ospray=False):
from vtkmodules.vtkParallelCore import vtkMultiProcessController
from vtkmodules.vtkCommonSystem import vtkTimerLog
controller = vtkMultiProcessController.GetGlobalController()
view = get_render_view(view_size)
if ospray:
view.EnableOSPRay = 1
print('Generating wavelet')
wavelet = Wavelet()
d2 = dimension / 2
wavelet.WholeExtent = [-d2, d2, -d2, d2, -d2, d2]
wavelet.Maximum = 100.0
waveletDisplay = Show()
waveletDisplay.SetRepresentationType('Volume')
print('Repositioning initial camera')
c = GetActiveCamera()
c.Azimuth(22.5)
c.Elevation(22.5)
print('Rendering first frame')
Render()
print('Saving frame 0 screenshot')
import math
fdigits = int(math.ceil(math.log(num_frames, 10)))
frame_fname_fmt = output_basename + '.scene.f%(f)0' + str(
fdigits) + 'd.tiff'
SaveScreenshot(frame_fname_fmt % {'f': 0})
print('Gathering geometry counts')
vtkTimerLog.MarkStartEvent('GetViewItemStats')
num_voxels = 0
for r in view.Representations:
num_voxels += r.GetRepresentedDataInformation().GetNumberOfCells()
vtkTimerLog.MarkEndEvent('GetViewItemStats')
print('Beginning benchmark loop')
deltaAz = 45.0 / num_frames
deltaEl = 45.0 / num_frames
memtime_stamp()
fpsT0 = dt.datetime.now()
for frame in range(1, num_frames):
c.Azimuth(deltaAz)
c.Elevation(deltaEl)
Render()
flush_render_buffer()
memtime_stamp()
fpsT1 = dt.datetime.now()
if controller.GetLocalProcessId() == 0:
if save_logs:
# Save the arguments this was executed with
with open(output_basename + '.args.txt', 'w') as argfile:
argfile.write(
str({
'output_basename': output_basename,
'dimension': dimension,
'view_size': view_size,
'num_frames': num_frames,
'ospray': ospray,
'save_logs': save_logs
}))
# Save the memory statistics collected
with open(output_basename + '.mem.txt', 'w') as ofile:
ofile.write('\n'.join([str(x) for x in records]))
# Process frame timing statistics
logparser.summarize_results(num_frames,
(fpsT1 - fpsT0).total_seconds(),
num_voxels, 'Voxels', save_logs,
output_basename)
from __future__ import print_function
from paraview.modules.vtkPVVTKExtensionsRendering import vtkCleanArrays
from vtkmodules.vtkParallelCore import vtkMultiProcessController
from vtkmodules.vtkFiltersSources import vtkSphereSource
from vtkmodules.vtkCommonDataModel import *
from vtkmodules.vtkCommonCore import *
cntrl = vtkMultiProcessController.GetGlobalController()
rank = cntrl.GetLocalProcessId()
numprocs = cntrl.GetNumberOfProcesses()
#-----------------------------------------------------------------------------
if rank == 0:
print("Testing on non-composite dataset")
def get_dataset(pa=None, ca=None):
sphere = vtkSphereSource()
sphere.Update()
data = sphere.GetOutputDataObject(0)
data.GetPointData().Initialize()
data.GetCellData().Initialize()
if pa:
array = vtkIntArray()
array.SetName(pa)
array.SetNumberOfTuples(data.GetNumberOfPoints())
data.GetPointData().AddArray(array)
