Re: [Paraview] Python Scripting - Acess vtkOpenGL cameras from .pvx files information

Afraid not. One potential work around would be you build the transformation matrix and set that on the camera. You can build the matrix yourself by changing the order of rotations. Utkarsh On Fri, Nov 24, 2017 at 1:43 PM, Léo Pessanha wrote: > Thank you again for

Re: [Paraview] Python Scripting - Acess vtkOpenGL cameras from .pvx files information

Thank you again for your help, Utkarsh! Your solution worked but it flicks a lot because of the gimbal lock, but I believe I could not get rid of that. Right? Thanks in advance! Leonardo Pessanha Laboratory of Computational Methods in Engineering Federal University of Rio de Janeiro - COPPE Rio

Re: [Paraview] Python Scripting - Acess vtkOpenGL cameras from .pvx files information

Leo, To handle 90-degree pitch or elevation, do the following: camera.Pitch(90) camera.OrthogonalizeViewUp() Render() Utkarsh On Tue, Oct 24, 2017 at 2:50 PM, Léo Pessanha wrote: > Thanks Utkarsh! > > This change would take a build right? Can't do it right now

Re: [Paraview] Python Scripting - Acess vtkOpenGL cameras from .pvx files information

Thanks Utkarsh! This change would take a build right? Can't do it right now =/ My goal is to know what should I do after a cameraInstance.Pitch(90) > and before a Render() > In order not to get the warning Resetting view-up since view plane normal is parallel > I've tried

Re: [Paraview] Python Scripting - Acess vtkOpenGL cameras from .pvx files information

Leo, You can't access it in Python since the Python script is not run on the server side. If your goal is to debug what thet camera is set to, you can put cout's to print the camera in `vtkCaveSynchronizedRenderers::HandleStartRender`. That's where the local camera on each rank is "prepped" for

[Paraview] Python Scripting - Acess vtkOpenGL cameras from .pvx files information

Hi! I would like to know if there's a way to acess the information/attributes of the cameras there are created trough a .pvx file To acess the attributes in the camera of the active Layout/RenderView I do: 1 - Open Python Shell 2 - camera = GetActiveCamera() 3 - print(camera) And the output

Re: [Paraview] Python Scripting

Hi Richard, Since you didn't specify the version you are using I'm using 5.4-RC3 for this answer. I loaded a dataset and ran the Python Trace (Tools -> Start Trace) to find out what it is doing. Here is the python script that was generated from changing what the dataset was colored by. # get

[Paraview] Python Scripting

Hey, I have a python script that opens a Legacy VTK file that contains two scalar arrays of the same length (real and imaginary part of a wave function) and then adjusts the camera settings, representation and color. My transfer functions seem to be ignored and I just get full opacity and

Re: [Paraview] paraview python scripting equivalent of File->save Data of contour

Hi Cory, Thank you so much! It works after specifying the fill path. Best regards, Enrique On Nov 12, 2015, at 8:31 PM, Cory Quammen wrote: > Hi Enrique, > > It looks like the writer is attempting to write to / and doesn't have > permission to do so. Try specifying

Re: [Paraview] paraview python scripting equivalent of File->save Data of contour

Hi Enrique, It looks like the writer is attempting to write to / and doesn't have permission to do so. Try specifying the full path in the 'name' variable. HTH, Cory On Thu, Nov 12, 2015 at 6:02 PM, Enrique Lizarraga-Garcia < enriliz...@gmail.com> wrote: > Hi all, > > I would like to automate

[Paraview] paraview python scripting equivalent of File->save Data of contour

Hi all, I would like to automate exporting csv files from countour of vtk files. I am tracing the steps in paraview, but it somehow misses the last part, saving/exporting as csv. When I do it manually, it saves n csv files, where n is the number of blocks I have in my simulation. I have

[Paraview] Editing paraview (specifically ParaView/Python Scripting) wiki

I just submitted an account request for the paraview.org/Wiki. Hopefully, once I have an account, I can add this myself... I want to add some short documentation to the Python Scripting page, explaining if you're trying to do multiple Render() calls in the same python session, you must not

[Paraview] Python scripting to extract data from Probes

Hi, I'd like to create a Python script for paraview that performs the following actions 1. Inserts point probes at specified coordinates within the geometry 2. Extracts selected data from all the timesteps of the case and exports it to an external file. I have started traces and written scripts

[Paraview] Python Scripting: Managing the Histogram Outputs

Dear all, I'm trying to handle the output of Histogram filter in my python script. First I use extract selection to select a specified geometry of a VTK file. Then, I apply the Histogram Filter. Now, I want to write the outputs of Histogram in the external text file. The outputs of

Re: [Paraview] Python Scripting: Managing the Histogram Outputs

Do you intend to write the data out as CSV? You can simply use the CSVWriter as follows: histogram1 = SaveData('/tmp/sample.csv', proxy=histogram1) Utkarsh On Fri, Oct 16, 2015 at 11:23 AM, mohammadreza yaghoobi wrote: > Dear all, > > I'm trying

Re: [Paraview] Python Scripting - Slicing Data

I'd recommend you use the Trace tools to see how to write the python code. Get your data, apply the slice filter, and see how its arguments are set. you'll end up with something like: data = PhastaReader(FileName=view.pht) Show(data) slice = Slice(Input=data) slice.SliceType = 'Plane'

[Paraview] Python Scripting - Slicing Data

Dear all, I'm trying to use a Python script to slice a 3D model in multiple locations and interrogate the values at these slices. Is it possible to apply the slice with a plane? I.e. intersect the model with a pre-defined plane? I can load and view my data and a plane I've defined (see below),

[Paraview] ParaView python scripting - capture from ParaView GUI

Hello there, I am trying to cook up a batch file for the visualization pipeline that I am doing on ParaView GUI so that I can run that same sequence in batch mode and in parallel using pvbatch. I can get most of the python script using the Tool-Start Trace option on ParaView GUI. However,

Re: [Paraview] ParaView python scripting - capture from ParaView GUI

I believe, the trace does not capture the inputs and the outputs. What you can do instead, is take the output of trace, add code to it for input and output and run using pvpython. On Thu, Apr 3, 2014 at 11:56 AM, Su, Simon M CTR USAF (US) simon.m.su@mail.mil wrote: Hello there, I am

Re: [Paraview] ParaView python scripting - capture from ParaView GUI

-- start python script -- try: paraview.simple except: from paraview.simple import * paraview.simple._DisableFirstRenderCameraReset() Cone1 = Cone() RenderView1 = GetRenderView() DataRepresentation1 = Show() DataRepresentation1.ScaleFactor = 0.1

Re: [Paraview] ParaView python scripting - capture from ParaView GUI

, 2014 12:42 PM To: Su, Simon M CTR USAF (US) Cc: paraview@paraview.org Subject: Re: [Paraview] ParaView python scripting - capture from ParaView GUI -- start python script -- try: paraview.simple except: from paraview.simple import * paraview.simple

Re: [Paraview] ParaView python scripting - capture from ParaView GUI

-- *From:* David E DeMarle [dave.dema...@kitware.com] *Sent:* Thursday, April 03, 2014 12:42 PM *To:* Su, Simon M CTR USAF (US) *Cc:* paraview@paraview.org *Subject:* Re: [Paraview] ParaView python scripting - capture from ParaView GUI -- start python script

Re: [Paraview] Python scripting question

in passing in your $0.02? Thanks, Alan From: Andy Bauer [mailto:andy.ba...@kitware.com] Sent: Tuesday, December 03, 2013 7:23 PM To: Scott, W Alan Cc: paraview@paraview.org Subject: [EXTERNAL] Re: [Paraview] Python scripting question Hmm, I'm not sure this is the proper way to do it since

[Paraview] Python scripting question

Hi, I have a user that is trying to delete all of the entries in the pipeline browser, in a python script. I tried using the trace recorder, and that didn't work. Does anyone have any idea what command would do this? Thanks, Alan ___ Powered by

Re: [Paraview] Python scripting question

Hmm, I'm not sure this is the proper way to do it since I get a warning but it appears to work: a = GetActiveSource() # requires a leaf of the pipeline tree to be selected Delete(a) The warning I get is: ERROR: In

Re: [Paraview] Python scripting/Grid geometry transformation

apply a CleanToGrid filter before the python programmable filter and this is a corrected version of your script: pdi = self.GetInput() pdo = self.GetOutput() newPoints = vtk.vtkPoints() numPoints = pdi.GetNumberOfPoints() for i in range(0, numPoints): coord = pdi.GetPoint(i) x, y, z =

[Paraview] Python scripting/Grid geometry transformation

Hi, I am reading the following xmf file (attached as var3d.xmf) into Paraview: ?xml version=1.0 ? !DOCTYPE Xdmf SYSTEM Xdmf.dtd [] Xdmf Version=2.2 Domain Grid GridType=Uniform Topology TopologyType=3DRectMesh Dimensions= 2 4 3/ Geometry GeometryType=VXVYVZ DataItem Dimensions=3

Re: [Paraview] python scripting

I just realized that paraview is using a different python (2.5) on my system than the default one (2.7) which has numpy. Also, the paraview I got is a compiled binary of 3.14. How do I go about pointing paraview to python2.7. Also, form running the saved trace using python, it looks like it

Re: [Paraview] python scripting

Hi, So I got python2.7 working and I set all the variables correctly like you advised but I still get errors. When I try to run a saved trace using python, I get the following errors. b8-8d-12-38-84-40:Python chukwudichukwudozie$ python trace.py Traceback (most recent call last): File

Re: [Paraview] python scripting

For the script you downloaded, you should remove line 3 where it says Connect(). It's possible the script is old enough that some of the statements need to be updated in order to run against the latest version of ParaView. Pat On Mon, Mar 18, 2013 at 5:38 PM, Chukwudi Chukwudozie

Re: [Paraview] python scripting

Please copy the paraview@paraview.org mailing list when you reply. Are you using python2.5 to run you script? Does your version of OSX have python2.6 or python2.7 (in /usr/bin) ? On my machine, the system version of numpy for pthon2.5 is only available in i386, while later versions contains

Re: [Paraview] python scripting

For PYTHONPATH, try removing the last /paraview components from the path, so you're setting: /Applications/ParaView.app/Contents/Python Also add /Applications/ParaView.app/Contents/Libraries to PYTHONPATH and DYLD_LIBRARY_PATH. Note, that is DYLD not LD. You don't need to add the Contents/bin

[Paraview] python scripting

Hi, I want help to be able to do the following two things using my mac OS X 10.7.5 but I have not been successful. 1. Run a paraview python script on terminal using pvpython. 2. Run the same script on terminal using python. For (1) above, I saved the trace for a particular operation and ran it

Re: [Paraview] Python Scripting Memory Overload

Hello, thank you for your messages. I tried changing del writer to Delete(writer). However, I get the following error now: Traceback (most recent call last): File /scratch/mesh3mm/Z085_velocity_data.py, line 41, in module Delete(writer) File

Re: [Paraview] Python Scripting Memory Overload

Hello again, the memory leak has definitely something to do with the writer as everything works well when I run my script without it. Is there any other way to delete the writer after a file has been processed? Best, Sebastian ___ Powered by

[Paraview] Python Scripting Memory Overload

Hello, I am running Paraview in batch mode using a Python script to analyze my data. However, after looping through few files ny script gets terminated because of a memory overload. Is it possible to deallocate the used memory after a file has been processed? Currently I am using the Delete()

Re: [Paraview] Python Scripting Memory Overload

Hi Sebastian, What version of ParaView are you using? Pre-3.14 suffered from http://www.paraview.org/Bug/view.php?id=12424. An issue similar to what you described and a workaround for it got discussed last year, see http://markmail.org/message/72qrmqwjaxmgsa7h. Karl Sebastian wrote, On

Re: [Paraview] Python Scripting Memory Overload

Hello Karl, thank you for your message. I am using Paraview 3.14.1 (64bit). This is what my script looks like: # SETTINGS directory_pvtu= '/scratch/mesh3mm_SEM/' directory_csv = '/scratch/mesh3mm_SEM/Z085_velocity_data/' file_number_start = 373527 file_number_end = 640332

Re: [Paraview] Python Scripting Memory Overload

Not sure why it isn't garbage collecting for you, but you might try moving the entire pipeline setup out of the loop and then inside the loop just call the two set filenames to modify the existing pipeline before calling Write(). David E DeMarle Kitware, Inc. RD Engineer 21 Corporate Drive

Re: [Paraview] Python Scripting Memory Overload

I believe the filter won't get deleted until after the proxy goes out of scope. If I'm right, you need to call Delete() on it and then have the variable that's holding the proxy either go out of scope or set to something else. Andy On Wed, Dec 19, 2012 at 4:36 PM, David E DeMarle

Re: [Paraview] Python Scripting Memory Overload

I think you need to replace del writer with Delete(writer). ParaView has a proxy manager that keeps all proxies. Proxies will not be deleted when the python reference is deleted, you must explicitly call paraview.simple.Delete(). The return value of CreateWriter is a proxy, so it must be

Re: [Paraview] Python scripting of selection / labels on contours

: Friday, February 17, 2012 1:35 PM To: paraview@paraview.org Subject: [Paraview] Python scripting of selection / labels on contours Dear all, What I'm trying to achieve is to get labels on contourlines from a python script (that is, non-interactively). To get started, I followed the following

[Paraview] Python scripting question in 3.14

Hi, We had a programmable filter that started out like: from paraview import vtk input = self.GetInputDataObject(0, 0) output = self.GetOutputDataObject(0) ngls = 2 if input.IsA(vtkMultiBlockDataSet): nblk = input.GetNumberOfBlocks() print nblk = , nblk for n in range(nblk):

Re: [Paraview] Python scripting question in 3.14

) Grid. Why is the data type returned different now from the vtkMultiBlockDataSet.GetBlock() call? Tim - Original Message - From: Tim Gallagher tim.gallag...@gatech.edu To: ParaView list paraview@paraview.org Sent: Monday, February 27, 2012 2:09:37 PM Subject: [Paraview] Python

Re: [Paraview] Python scripting question in 3.14

, February 27, 2012 2:09:37 PM Subject: [Paraview] Python scripting question in 3.14 Hi, We had a programmable filter that started out like: from paraview import vtk input = self.GetInputDataObject(0, 0) output = self.GetOutputDataObject(0) ngls = 2 if input.IsA(vtkMultiBlockDataSet

[Paraview] Python scripting of selection / labels on contours

Dear all, What I'm trying to achieve is to get labels on contourlines from a python script (that is, non-interactively). To get started, I followed the following advice given on the list on Sep 13, 2010: Try doing a slice through all the contour lines, and then selecting the points on the

Re: [Paraview] Paraview Python scripting

:* Adriano Gagliardi [mailto:agaglia...@ara.co.uk] *Envoyé :* 1 novembre 2011 10:07 *À :* 'David Dupuis'; 'Utkarsh Ayachit' *Cc :* paraview@paraview.org *Objet :* RE: [Paraview] Paraview Python scripting What does sta.py do that it needs to open the GUI? Do you mean an X11 window

[Paraview] Paraview Python scripting

” in Paraview. Is there a way to load a python state file? Here is what I tried to do so, but didn’t succeeded. 1- I followed the procedure for Paraview/Python scripting, and added PYTHONPATH in .bashrc: export PYTHONPATH=/home/david/ParaView-3.12.0-RC2-Linux-x86_64/lib/paraview-3.12/site

Re: [Paraview] Paraview Python scripting

- Load state” in Paraview. Is there a way to load a python state file? Here is what I tried to do so, but didn’t succeeded. 1- I followed the procedure for Paraview/Python scripting, and added PYTHONPATH in .bashrc: export PYTHONPATH=/home/david/ParaView-3.12.0-RC2-Linux-x86_64/lib

Re: [Paraview] Paraview Python scripting

Url: www.ara.co.uk _ From: paraview-boun...@paraview.org [mailto:paraview-boun...@paraview.org] On Behalf Of David Dupuis Sent: 01 November 2011 14:00 To: Utkarsh Ayachit Cc: paraview@paraview.org Subject: Re: [Paraview] Paraview Python scripting Hello Utkarsh, The Python Shell

Re: [Paraview] Paraview Python scripting

:* paraview@paraview.org *Objet :* RE: [Paraview] Paraview Python scripting What does sta.py do that it needs to open the GUI? Do you mean an X11 window? === Adriano Gagliardi MEng PhD Business Sector Leader Computational Aerodynamics Aircraft Research

Re: [Paraview] Paraview Python scripting

' *Cc :* paraview@paraview.org *Objet :* RE: [Paraview] Paraview Python scripting What does sta.py do that it needs to open the GUI? Do you mean an X11 window? === Adriano Gagliardi MEng PhD Business Sector Leader Computational Aerodynamics Aircraft

Re: [Paraview] Paraview Python scripting

:* RE: [Paraview] Paraview Python scripting What does sta.py do that it needs to open the GUI? Do you mean an X11 window? === Adriano Gagliardi MEng PhD Business Sector Leader Computational Aerodynamics Aircraft Research Association Ltd. Manton Lane

Re: [Paraview] Paraview Python scripting

in the Python State file. *De :* Adriano Gagliardi [mailto:agaglia...@ara.co.uk] *Envoyé :* 1 novembre 2011 10:07 *À :* 'David Dupuis'; 'Utkarsh Ayachit' *Cc :* paraview@paraview.org *Objet :* RE: [Paraview] Paraview Python scripting What does sta.py do that it needs to open the GUI? Do you mean

[Paraview] Python Scripting for Selection of Nodes

Hi- I've been using the Extract Selection Filter to extract nodes from a mesh for pre-processing of boundary conditions. Is there a way to do the opposite and give Paraview a bunch of nodes in the mesh and then have Paraview display it? I have tried using vtkSelection and have created an

[Paraview] Python scripting with native OpenFOAM reader for ParaView 3.6.2

Dear all, Recently I was encouraged by a colleague to use the Native OpenFOAM reader for ParaView, which was created by Takuya Oshima. I really appreciate the reader since it loads my data faster and uses less memory than the standard OpenFOAM reader and it works faster than using the OpenFOAM

Re: [Paraview] Python scripting: Updating PVDReader source when pvd file has changed and rendering latest time step

Translating that to Python as I understand it would correspond to: reader.FileName = reader.FileName = original That does the trick, thank you! I had tried that before and had hoped there is a nicer way, since I get VTK errors about not being able to open the file and read the file information

Re: [Paraview] Python scripting: Updating PVDReader source when pvd file has changed and rendering latest time step

The vtkPVDReader (you may want to look at it's superclasses as well) does not re-read the XML file, unless the reader is modified. What you really need, is somehow call Modified() on the reader. One way would be setting the filename to empty (then call vtkSMPRoxy::UpdateVTKObjects()) and then

[Paraview] Python scripting: Updating PVDReader source when pvd file has changed and rendering latest time step

Hi, I'm trying to get ParaView to work in an interactive context for numerical simulations. The first goal is to have ParaView visualize time steps as they are output by the solver (vtu for individual steps, pvd as collection). I searched the wiki, mailing lists etc. and it seems this cannot be

Re: [Paraview] Python scripting : problem with Representation

I tried with the cvs version and I still have the same problem Nicolas On 10/02/2010 15:45, Utkarsh Ayachit wrote: Can you try updating to latest CVS and see? I just tried with the CVS head and couldn't reproduce the issue. Utkarsh On Wed, Feb 10, 2010 at 7:55 AM, Nicolas Richart

Re: [Paraview] Python scripting : problem with Representation

Is this through python shell or pvpython? Can you attach a debugger and post the stack trace? Utkarsh On Fri, Feb 12, 2010 at 4:37 AM, Nicolas Richart nicolas.rich...@epfl.ch wrote: I tried with the cvs version and I still have the same problem Nicolas On 10/02/2010 15:45, Utkarsh Ayachit

[Paraview] Python scripting : problem with Representation

Hi, I try to modify representation properties in order to color my data with the values of an array and I get a segmentation fault. So I try the example which is on the wiki on the Python Scripting page And i also get a segmentation fault during the rendering from paraview.simple import

Re: [Paraview] Python scripting : problem with Representation

Can you try updating to latest CVS and see? I just tried with the CVS head and couldn't reproduce the issue. Utkarsh On Wed, Feb 10, 2010 at 7:55 AM, Nicolas Richart nicolas.rich...@epfl.ch wrote: Hi, I try to modify representation properties in order to color my data with the values of an

Re: [Paraview] python scripting - import cvs file

Where are you typing the python script: the python shell or the Script parameter for the Programmable Filter/Programmable Source? On Wed, Jan 14, 2009 at 7:17 PM, Pierre-Olivier Dallaire pierre-olivier.dalla...@videotron.ca wrote: Good evening, I'm trying to import a text file in order to

Re: [Paraview] python scripting - import cvs file

python shell, I'm using pvpython script.py On 15-Jan-09, at 9:20 AM, Utkarsh Ayachit wrote: Where are you typing the python script: the python shell or the Script parameter for the Programmable Filter/Programmable Source? On Wed, Jan 14, 2009 at 7:17 PM, Pierre-Olivier Dallaire

Re: [Paraview] python scripting - import cvs file

These scripts are meant to be used at values for the Script paramater for Programmable Filter or Programmable Source as identified by the title. These will not directly work from the python shell or pvpython. Create a Programmable Source from the Sources menu in the ParaView GUI and try pasting

[Paraview] python scripting / calculator filter

Good afternoon, I'm looking for an example on how to use the calculator filter in a python script. With the calculator, I want to : 1) Extract each component of a vector array (x, y, z); 2) Apply a scalar factor on each array (for unit conversion). Best regards, PO

Re: [Paraview] python scripting / calculator filter

Here's something I did recently calc = servermanager.filters.Calculator(Input=pderiv) calc.ResultArrayName = 'w' calc.AddVectorVariable = ['Vorticity', 'Vorticity', '0', '1', '2'] calc.Function = '(Vorticity).(kHat)' calc.UpdatePipeline() # w is now element 16 This gave the vorticity in the khat

[Paraview] beginner: paraview python scripting, camera orientation

Hello, I've noticed that if I make an active camera object view = servermanager.CreateRenderView() camera = view.GetActiveCamera(), there is a method camera.GetOrientation(), and even camera.GetOrientationWXYZ, but no SetOrientation(), or SetOrientationWXYZ(), or even camera.Orientation

[Paraview] python scripting

Hello, I'm trying to visualise ConeSource() for practice on local host, when i run this code: from paraview import servermanager as sm sm.Connect() file = my path to filename data = sm.sources.LegacyVTKReader(FileNames=file) view = sm.CreateRenderView() rep = sm.CreateRepresentation()