Hi Cory,

Trying to find out what causes the former problems, I inserted a line that just sets the property that got collected so far:
https://github.com/romangrothausmann/ParaView_scripts/commit/b8058f774535398da3767048219df12d6354e6c5#diff-2804420278bfff084788b82c715c452eR59
It already aborts on the first property encountered (ForceUseCache):

<paraview.servermanager.GeometryRepresentation object at 0x7f7b591fc250>
ForceUseCache 0
Traceback (most recent call last):
  File "/net/home/paraview/scripts/pvsm-multi.py", line 91, in <module>
    main()
  File "/net/home/paraview/scripts/pvsm-multi.py", line 59, in main
    pvs.SetProperties(repr, **d)
File "/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/simple.py", line 567, in SetProperties
    raise AttributeError("object has no property %s" % param)
AttributeError: object has no property ForceUseCache

Is ListProperties() returning properties that are not part of the specific object that is calling ListProperties()?

Many thanks for any help or hints,
Roman

On 21/12/17 16:06, Grothausmann, Roman Dr. wrote:
Hi Cory,

On 06/12/17 23:06, Cory Quammen wrote:
Sorry I failed to follow up. Did you find a solution to this problem?

Many thanks for your reply. No, and I'm still stuck. I tried Your suggestion to remove [0] (https://github.com/romangrothausmann/ParaView_scripts/commit/e40d1016d698ee363500bb9bf04f29add89b99dd), which changed the reported error from:

  File "/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py", line 375, in SetPropertyWithName
     prop.SetData(arg)
  File "/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py", line 803, in SetData     raise RuntimeError("This property requires %d values." % self.GetNumberOfElements())
RuntimeError: This property requires 3 values.

to:

  File "/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py", line 375, in SetPropertyWithName
     prop.SetData(arg)
  File "/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py", line 1296, in SetData
     self.SMProperty.AddProxy(value_proxy)
TypeError: AddProxy argument 1: method requires a VTK object

Any ideas on this?
Would You say it is a general problem in the py-code or could it be caused by the content of the PVSMs I'm trying to combine?

Many thanks for looking into this.
Roman


This line in your script looks funny to me:

d[props] = pvs.GetProperty(repr, props[0])

Shouldn't props[0] just be props?

Thanks,
Cory

On Fri, Nov 10, 2017 at 10:28 AM, Grothausmann, Roman Dr.
<[email protected]> wrote:
Dear Cory,

On 15/09/17 15:27, Grothausmann, Roman Dr. wrote:

On 15/09/17 15:14, Cory Quammen wrote:

Put a ** in front of reppro[i], e.g.,

pvs.SetProperties(repr, **reppro[i])

Hm, I now get:
TypeError: SetProperties() argument after ** must be a mapping, not list
Do I have to store the dict of object properties in another dict instead
of a list?


With a dict of dicts
https://github.com/romangrothausmann/ParaView_scripts/commit/3b309cc603433f02afc3e50656bd99f8b7cd0aa8#diff-2804420278bfff084788b82c715c452e
I get:

   File "/net/home/grothama/paraview/scripts/pvsm-multi.py", line 64, in main
     pvs.SetProperties(repr, **reppro[i]);
   File
"/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/simple.py",
line 568, in SetProperties
     setattr(proxy, param, params[param])
   File
"/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py",
line 317, in __setattr__
     setter(self, value)
   File
"/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py",
line 2528, in setProperty
     return self.SetPropertyWithName(propName, value)
   File
"/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py",
line 375, in SetPropertyWithName
     prop.SetData(arg)
   File
"/opt/paraview-5.3.0_GL1/lib/paraview-5.3/site-packages/paraview/servermanager.py",
line 803, in SetData
     raise RuntimeError("This property requires %d values." %
self.GetNumberOfElements())
RuntimeError: This property requires 3 values.

Any ideas what could still be wrong?


On 07/09/17 23:37, Cory Quammen wrote:


Hi Roman,

It turns out ParaView was not designed for this use case because of
certain difficulties discussed here:

https://gitlab.kitware.com/paraview/paraview/issues/17442

In your Python script, you could manually cash all the properties of
the existing representations and restore them after loading the most
recent state file.

The functions

reprs = GetRepresentations()
repr = reprs.values()[0]
props = repr.ListProperties()
GetProperty(repr, props[0])

would be helpful for this.

Cory


On Mon, Sep 4, 2017 at 8:42 AM, Grothausmann, Roman Dr.
<[email protected]> wrote:


Dear mailing list members,


It seems that PV (and paraview.simple.LoadState) by default hides
already
loaded objects (and resets e.g. their coloring) when another
state-file
is
loaded.
Is there a way to load multiple state-files after one another without
hiding
and resetting already existent objects? I.e. a way to concatenate
multiple
state-files and leave their objects in the state as they got loaded
(e.g.
colored, hidden/visible)?
I do understand that loading a new state-file will reset the camera,
but
not
the rest.
Here's my initial attempt to achieve this with pvpython:


https://github.com/romangrothausmann/ParaView_scripts/blob/90eb4ca8499070bed941d50b89ebea82fd6a9e23/pvsm-multi.py

Any help or hints are very much appreciated
Roman

--
Dr. Roman Grothausmann

Tomographie und Digitale Bildverarbeitung
Tomography and Digital Image Analysis

Medizinische Hochschule Hannover
Institut für Funktionelle und Angewandte Anatomie
OE 4120, Carl-Neuberg-Str. 1, 30625 Hannover, Deutschland

Tel. +49 511 532-2900
[email protected]
http://www.mh-hannover.de/anatomie.html
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--
Dr. Roman Grothausmann

Tomographie und Digitale Bildverarbeitung
Tomography and Digital Image Analysis

Medizinische Hochschule Hannover
Institut für Funktionelle und Angewandte Anatomie
OE 4120, Carl-Neuberg-Str. 1, 30625 Hannover, Deutschland

Tel. +49 511 532-2900
[email protected]
http://www.mh-hannover.de/anatomie.html






--
Dr. Roman Grothausmann

Tomographie und Digitale Bildverarbeitung
Tomography and Digital Image Analysis

Medizinische Hochschule Hannover
Institut für Funktionelle und Angewandte Anatomie
OE 4120, Carl-Neuberg-Str. 1, 30625 Hannover, Deutschland

Tel. +49 511 532-2900
[email protected]
http://www.mh-hannover.de/anatomie.html





--
Dr. Roman Grothausmann

Tomographie und Digitale Bildverarbeitung
Tomography and Digital Image Analysis

Medizinische Hochschule Hannover
Institut für Funktionelle und Angewandte Anatomie
OE 4120, Carl-Neuberg-Str. 1, 30625 Hannover, Deutschland

Tel. +49 511 532-2900
[email protected]
http://www.mh-hannover.de/anatomie.html
_______________________________________________
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http://www.kitware.com/opensource/opensource.html

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http://paraview.org/Wiki/ParaView

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