[Paraview] [paraview] out of memory

[Utkarsh Ayachit]

Oops my bad. You need to add the following to the start of the script:

   from paraview.vtk.vtkIOPLY import vtkPLYReader

Thanks
Utkarsh

On Sun, May 24, 2015 at 11:30 PM, dxy <dingxyan at 163.com> wrote:
> Utkarsh,
> Thank you very much for your help! I tried as you said, but still the error.
> Did i lack of some settings?
>
> Traceback (most recent call last):
>
> File "<string>", line 19, in <module>
>
> File "<string>", line 6, in RequestData
>
> NameError: global name 'vtkPLYReader' is not defined
>
> Thanks,
> dxy
>
> At 2015-05-22 22:18:34, "Utkarsh Ayachit" <utkarsh.ayachit at kitware.com>
> wrote:
>>Dxy,
>>
>>ParaView has certain overhead when a new source/filter is created. It
>>will need some more profiling, but creating 500+ readers would indeed
>>push things closer to that limit. ParaView/VTK typically uses
>>composite datasets/multiblock datasets for handling multiple parts of
>>the same dataset. Here's a "Script" for the Python programmable filter
>>that can open all the PLY files as a single multblock dataset.
>>
>># 0. Create the "Programmable Source" from the Sources menu.
>>======================================================
>># 1. Set the Output DataSet Type to "vtkMultiBlockDataSet".
>>======================================================
>>#  2. Set as the "Script"
>>======================================================
>>output = self.GetOutput()
>>cc = 0
>>for i in range(1, 538):
>>  filename = "/tmp/data/%03d.ply" % i
>>  reader = vtkPLYReader()
>>  reader.SetFileName(filename)
>>  reader.Update()
>>  output.SetBlock(cc, reader.GetOutputDataObject(0))
>>  del reader
>>  cc = cc + 1
>>======================================================
>>
>>Utkarsh
>>
>>
>>On Wed, May 20, 2015 at 10:37 AM, Utkarsh Ayachit
>><utkarsh.ayachit at kitware.com> wrote:
>>> Not sure what exactly are you seeing. If you have a sample dataset to
>>> share, that'll make it easier.
>>>
>>> Thanks
>>> Utkarsh
>>>
>>> On Wed, May 20, 2015 at 10:32 AM, dxy <dingxyan at 163.com> wrote:
>>>> Thanks for your reply. I tried as you said, it doesn't work. I use a
>>>> computer of 16G of memory, it can render out. Then I use 538 ply files,
>>>> they
>>>> are 11.9MB altogether, but when renderd, it will use 6G memory, either
>>>> the
>>>> display lists turned on or off. Why it is this?
>>>> Thanks for your help.
>>>>
>>>> dxy
>>>>
>>>> At 2015-05-20 20:22:42, "Utkarsh Ayachit" <utkarsh.ayachit at kitware.com>
>>>> wrote:
>>>>>Try turning of display lists. In ParaView4.1 it was setting named
>>>>>"Immediate mode rendering" under the Settings dialog. You'll need to
>>>>>enable the checkbox.
>>>>>
>>>>>Utkarsh
>>>>>
>>>>>On Wed, May 20, 2015 at 4:34 AM, 丁晓燕 <dingxyan at 163.com> wrote:
>>>>>> Dear,
>>>>>>         I use the paraview of Version4.1, and the memory of my
>>>>>> computer
>>>>>> is
>>>>>> 4G. When I load about 190 ply files at the same time, there will be
>>>>>> errors
>>>>>> about out of memory, but it runs normally when the number of the file
>>>>>> is
>>>>>> less than 190.
>>>>>>
>>>>>> The error message as shown below:
>>>>>> ERROR: In
>>>>>>
>>>>>>
>>>>>> C:\DBD\pvs-x32\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLCoincidentTopologyResolutionPainter.cxx,
>>>>>> line 176
>>>>>> vtkOpenGLCoincidentTopologyResolutionPainter (7A9A9938): failed after
>>>>>> RenderShiftZBuffer 1 OpenGL errors detected
>>>>>>   0 : (1285) Out of memory
>>>>>> ERROR: In
>>>>>>
>>>>>>
>>>>>> C:\DBD\pvs-x32\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLDisplayListPainter.cxx,
>>>>>> line 188
>>>>>> vtkOpenGLDisplayListPainter (7AAE3358): failed after RenderInternal 1
>>>>>> OpenGL
>>>>>> errors detected
>>>>>>   0 : (1285) Out of memory
>>>>>>
>>>>>>         Thanks for your help.
>>>>>> Yours truly,
>>>>>> dxy
>>>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>
>
>