[Paraview] wrong representation of vtkImageData in pipeline

[michal wozniak]

Hi,


I am creating an Image using a filter and then adding it to the pipeline. In 
Paraview, it is displaying a weird image like if it was corrupted.


To verify that my filter was creating the image correctly, I am using the 
vtkTIFFWriter to output the image in tiff format. I open the tiff file using a 
normal picture app and it is correctly displaying it. I can even load that tiff 
file in ParaView and it will show it correctly.


Has anyone had a similar problem? Is there a solution to this problem.


thanks

Michal




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[Paraview] vtkPythonProgrammableFilter Multiple output port?

[michal wozniak]

Hi,


Since ParaView 5.2, vtkPythonProgrammableFilter can now accept multiple input 
ports. Is it possible to also have multiple output port?


Thanks,

Michal
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[Paraview] Loading state file - not loading the connections to each inputs port

[michal wozniak]

I have a state file which contains multiple filters, some have multiple inputs 
port. When I load the state file everything load correctly but every filter 
that uses multiple ports (input) get this error "Input port (1,2,3,4,...) of 
algorithm "random name" has 0 connection but is not optional. 
If the filter instead uses multiple connections to one port then it gets loaded 
correctly. 

Can multiple port connection be saved in the state files? 
thanks you 
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Re: [Paraview] 3D Widgets

[michal wozniak]

Hi,

Thanks a lot!  This is exactly what I was looking for.


From: Utkarsh Ayachit<mailto:utkarsh.ayac...@kitware.com>
Sent: Wednesday, August 24, 2016 4:00 PM
To: michal wozniak<mailto:michalwozn...@live.ca>
Cc: paraview@paraview.org<mailto:paraview@paraview.org>
Subject: Re: [Paraview] 3D Widgets

I think this is what you want is similar to "SPHVolumeInterpolator".

See :
1. 
https://gitlab.kitware.com/paraview/paraview/blob/master/ParaViewCore/VTKExtensions/Points/points.xml#L671-699
2. 
https://gitlab.kitware.com/paraview/paraview/blob/master/ParaViewCore/VTKExtensions/Points/points.xml#L75-128

On Wed, Aug 24, 2016 at 3:44 PM, michal wozniak <michalwozn...@live.ca> wrote:
> Hi,
>
> I am trying to add 3D widgets to my custom filters. I am trying to find some
> documentation. For eg, let's say I want to add a BoxWidget that will just
> surround my input data. How do I achieve this?
> I am having trouble understanding the process of linking the widget to the
> filter inside the XML.
>
> I looked here
> http://www.paraview.org/Wiki/ParaView/Properties_Panel and
> ParaViewCore\ServerManager\SMApplication\Resources\3d_widgets.xml
>
> In 3d_widgets.XML, I see all the possible widgets available to ParaView.
> What the XML syntax to access them.
>
> I was looking at the clip filter which is using the Box and a plane ( for
> the plane clip) and saw that this part of XML is "triggering the process of
> rendering the BOX with the plane"
>
>   label="Clip Type"
>  name="ClipFunction">
> 
>   
> 
> 
> name="Plane" />
> name="Box" />
> name="Sphere" />
> name="Cylinder" />
> name="Scalar" />
> 
>
> How do I customize this code, to add a different kind of 3D widgets ?
>
>
>
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[Paraview] 3D Widgets

[michal wozniak]

Hi,
I am trying to add 3D widgets to my custom filters. I am trying to find some 
documentation. For eg, let's say I want to add a BoxWidget that will just 
surround my input data. How do I achieve this?  I am having trouble 
understanding the process of linking the widget to the filter inside the XML.   
I looked here 
http://www.paraview.org/Wiki/ParaView/Properties_Panel and 
ParaViewCore\ServerManager\SMApplication\Resources\3d_widgets.xml 
In 3d_widgets.XML, I see all the possible widgets available to ParaView. What 
the XML syntax to access them.  
I was looking at the clip filter which is using the Box and a plane ( for the 
plane clip) and saw that this part of XML is "triggering the process of 
rendering the BOX with the plane"
 
 

How do I customize this code, to add a different kind of 3D widgets ? 

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Re: [Paraview] [Non-DoD Source] Re: Qt version support update 2016

[michal wozniak]

Hi,
I'm currently using qt 5.6 with vs 2015 and python 2.7 and everything is 
building correctly. I still didn't try QT 5.7.  On Windows, you need to make 
sure your PATH are set correctly. Verify that your CMake PATH isn't set before 
your qt or else your ParaView executable will find some qt dll in the CMake 
folder. 
DLL not found - > http://www.dependencywalker.com/  This will help you track 
down your problems. 
From: shawn.wal...@kitware.com
Date: Mon, 15 Aug 2016 09:06:27 -0400
To: simon.m.su@mail.mil
CC: paraview@paraview.org
Subject: Re: [Paraview] [Non-DoD Source] Re: Qt version support update 2016

Mega Mind,

I have a project that is using ParaView with Qt 5.7 on Windows.  Of course we 
use VS 2013 still, so that may be the difference.  It still sounds like you 
forgot to set the PARAVIEW_QT_VERSION to 5.  If this is 4 (the default), the 
CMake scripts will ignore Qt5.  I think it may be smart enough to default to 5 
when there is no Qt4 preset which may be why that build worked.  Our build 
machine has both Qt4 and Qt5 installed and it works fine.  Still, I don't know 
if anyone has tried Qt5 + VS 2015  Anyway, your runtime error with the dll 
not found?  That is a Windows thing.  Not found means it is not in the PATH 
environment variable's list of folders.  Windows doesn't bake into the 
executable the paths to its runtime dependencies.  Linux and OSX do, which is 
why you can typically run things from a build tree there without any problems.  
But to run it from Windows, you will need to add the Qt5 dll's directory to 
your PATH or move it to the same directory as the executable which needs it.

Simon,

The ParaView Superbuild uses a precompiled python 2.7 that was built with VS 
2008.  Python 2.x doesn't support any newer versions (maybe 2010, but we've 
never used that version of python).  Since the API we link against is pure C, 
there are no ABI issues with using this prebuilt version.  You should be able 
to look in the superbuild and find the path for the zip file with the prebuilt 
python and download/use that one.  I know Python 3 is supported in VTK, but I'm 
not sure it is fully supported in ParaView yet.

HTH,
Shawn

On Sat, Aug 13, 2016 at 6:30 PM, Su, Simon M CIV USARMY RDECOM ARL (US) 
 wrote:







you need python in the path for QT 5 to build for windows. specifically python 
with bz2 module both running configure and nmake 



the next problem you will encounter after getting past the QT 5 which I am 
still stuck is to build python. Python 3 will compile with vs2015 express, 
python 2.x will not. c++ time zone related variables changes. But I am not able 
to compile pv with python 3.
  I even tried to fix the time zone related compile but end up with linking 
error at the very end. 



because of this, i think win7 or win10 pv will only work with vs2013 
express.




hth
-s






From: ParaView [paraview-boun...@paraview.org] on behalf of Mega Mind 
[123megam...@gmail.com]

Sent: Saturday, August 13, 2016 5:00 PM

To: Shawn Waldon

Cc: ParaView list

Subject: [Non-DoD Source] Re: [Paraview] Qt version support update 2016





All active links contained in this email were disabled. Please verify the 
identity of the sender, and confirm the authenticity of all links contained 
within the message prior to copying and pasting the address to a Web browser.









Have you or anyone successfully built and installed on Win7 64 with Visual 
Studio 2015? I always get errors when building or opening the paraview.exe. For 
Qt the 4.x versions seem to have only x86 installs but I installed 4.8 anyway. 
When trying
 Qt 5.7 I get a failed build with 3 errors and over 350 warnings. Also noted 
that in Cmake configure it would still reference Qt 4 even after setting 
Qt5_DIR Qt5Core_DIR Qt5Widgets_DIR  etc and changing all paths to proper 
reference directories. The only fix
 was to uninstall Qt 4 but I was able to get a build with no errors when it was 
using both Qt 4 & 5 strangely but when opening paraview,exe the 'system error' 
message was Qt5Widgets.dll does not exist. It does though and is in "C:\Program 
Files (x86)\Qt\5.7\msvc2015_64\bin\"
 so I tried to manually change that in any Cmake config file I could find but 
nothing worked out. I've tried hundreds of things over the past three days and 
read and followed the wiki many times and I'm coming to the conclusion no one 
is using Win 64 which
 seems strange to me but I guess everyone is using Unix.




On Fri, Aug 12, 2016 at 5:18 AM, Shawn Waldon 
 > wrote:



To use Qt5, you have to set the PARAVIEW_QT_VERSION variable to 5 (it still 
defaults to 4, which is why cmake is complaining).  Note that some things may 
be buggy when building against Qt5, I don't know the full list of current 
issues, just that there
 are some.  Also note that you have to specify the location of Qt5 differently 
to CMake.  CMake 

Re: [Paraview] Paraview Build python dependency

[michal wozniak]

thanks

I am currently trying the superbuild process. I usually pass pass /m:4 to my 
msbuild to get 4 msbuild instance. When I used to build paraview (not 
superbuild), the cpu utilization during the build was always at maximum but 
with superbuild it is always around 20%.

Do I also need to pass /MP parameter to enable multi-processor build ?



From: Utkarsh Ayachit<mailto:utkarsh.ayac...@kitware.com>
Sent: Thursday, August 11, 2016 1:42 PM
To: michal wozniak<mailto:michalwozn...@live.ca>
Cc: paraview@paraview.org<mailto:paraview@paraview.org>
Subject: Re: [Paraview] Paraview Build python dependency

I'd suggest using ParaView Superbuild to build redistributables
(https://gitlab.kitware.com/paraview/paraview-superbuild).

Utkarsh

On Tue, Aug 9, 2016 at 3:23 PM, michal wozniak <michalwozn...@live.ca> wrote:
> Hi,
>
> I am building ParaView from source. When we test my release version on a
> different system, we can't use any feature that uses python : trace, python
> shell ...
>
> I installed your binary version and I saw that you provided the python27.DLL
> and a Lib folder which seem to be the one from python27 installation
> directory. So I copy pasted python27.dll  and Lib folder into my release
> folder. When I use this release folder on a different computer, Paraview is
> still crashing when we try to use  the trace feature which use python.
>
> Could someone tell me what's the correct way of deploying python with
> ParaView.  If only there was some python tool like windeployqt.exe which is
> provided by qt.
>
> thanks
>
> Michal Wozniak
>
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[Paraview] Paraview Build python dependency

[michal wozniak]

Hi, 
I am building ParaView from source. When we test my release version on a 
different system, we can't use any feature that uses python : trace, python 
shell ... 

I installed your binary version and I saw that you provided the python27.DLL 
and a Lib folder which seem to be the one from python27 installation directory. 
So I copy pasted python27.dll  and Lib folder into my release folder. When I 
use this release folder on a different computer, Paraview is still crashing 
when we try to use  the trace feature which use python. 

Could someone tell me what's the correct way of deploying python with ParaView. 
 If only there was some python tool like windeployqt.exe which is provided by 
qt.
thanks 
Michal Wozniak___
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Re: [Paraview] Coordinate Result from Calculator

[michal wozniak]

Hi, 
I found out how  to get my coordinates. I used a programmable filter to get my 
inputs and calculate the mean. I would like to be able to add that value to the 
properties that appear when you use the manager link (mode : property link). 
My objective is to be able to link my custom property which will show my mean 
result to a different filter ( slide for eg). So that I could link 
Clip->Plane->Origin  to ProgrammableFIlter->CustomValue
Is this possible ? 

Date: Wed, 8 Jun 2016 07:58:47 -0400
From: michalwozn...@live.ca
To: joachim.pouder...@kitware.com
CC: paraview@paraview.org
Subject: Re: [Paraview] Coordinate Result from Calculator

Hi,
I would like to access it in a following programmable filter or for eg link the 
coordinate result from the calculator to the center property of a slice filter 
using the manager link
It more about being able to access the coordinate result in another filter  


On Jun 8, 2016 7:48 AM, Joachim Pouderoux <joachim.pouder...@kitware.com> wrote:
Michal,

Maybe I did not correctly understand your question but if you want to access 
point coordinates in the Calculator, they are available through the (pseudo) 
scalar variables coordsX, coordsY and coordsZ - you will find them in the 
Scalars list button.

Regards,
Joachim Pouderoux
PhD, Technical Expert
Kitware SAS



2016-06-07 21:50 GMT+02:00 michal wozniak <michalwozn...@live.ca>:



Hi everyone, 
I am calculating the mean of two source point using the python calculator. Then 
I use the calculator filter to get the Coordinate Result. How do I access that 
value? 
in my pipeline, my Calculator1 produce a Coordinate Result Array  called 
"Result". What do I do to access this array to be able to use the coordinate? 
thanks 
Michal

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Re: [Paraview] Coordinate Result from Calculator

[michal wozniak]

Hi,

I would like to access it in a following programmable filter or for eg link the 
coordinate result from the calculator to the center property of a slice filter 
using the manager link

It more about being able to access the coordinate result in another filter  

On Jun 8, 2016 7:48 AM, Joachim Pouderoux <joachim.pouder...@kitware.com> wrote:

Michal,

Maybe I did not correctly understand your question but if you want to access 
point coordinates in the Calculator, they are available through the (pseudo) 
scalar variables coordsX, coordsY and coordsZ - you will find them in the 
Scalars list button.

Regards,


Joachim Pouderoux

PhD, Technical Expert
Kitware SAS


2016-06-07 21:50 GMT+02:00 michal wozniak <michalwozn...@live.ca>:

Hi everyone, 


I am calculating the mean of two source point using the python calculator. Then 
I use the calculator filter to get the Coordinate Result. 

How do I access that value? 


in my pipeline, my Calculator1 produce a Coordinate Result Array  called 
"Result". What do I do to access this array to be able to use the coordinate? 


thanks 


Michal 

 


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[Paraview] Coordinate Result from Calculator

[michal wozniak]

Hi everyone, 
I am calculating the mean of two source point using the python calculator. Then 
I use the calculator filter to get the Coordinate Result. How do I access that 
value? 
in my pipeline, my Calculator1 produce a Coordinate Result Array  called 
"Result". What do I do to access this array to be able to use the coordinate? 
thanks 
Michal___
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Re: [Paraview] Save State/adding custom property

[michal wozniak]

That's exactly what I was looking for.
thanks a lot for the great support !!!

> Date: Mon, 30 May 2016 08:10:48 -0400
> Subject: Re: [Paraview] Save State/adding custom property
> From: utkarsh.ayac...@kitware.com
> To: michalwozn...@live.ca
> CC: paraview@paraview.org
> 
> There's a preexisting feature called "annotation" that vtkSMProxy
> supports via the following API. Seems to me that'd map well to what
> you're trying to do with the "user" property.
> 
> void SetAnnotation (const char *key, const char *value)
> const char * GetAnnotation (const char *key)
> void RemoveAnnotation (const char *key)
> void RemoveAllAnnotations ()
> bool HasAnnotation (const char *key)
> int GetNumberOfAnnotations ()
> const char * GetAnnotationKeyAt (int index)
> 
> Utkarsh
> 
> On Sun, May 29, 2016 at 1:37 PM, michal wozniak <michalwozn...@live.ca> wrote:
> > Hi everyone,
> >
> > I am trying to add a custom property to the state xml.
> >
> > For eg:
> >
> > I loaded object.stl and did a slice on it. Then, I saved the state and went
> > to look at the XML.
> >
> > 
> >   
> >   
> >  
> >
> > I want to add an extra property called "user"
> >
> > 
> >   
> >   
> >  
> >
> > the extra property will be added during the saving of the state. I will be
> > changing user property using a widget.
> > I just want to know how to send the value of my variable user to be printed
> > in the xml.
> >
> > I have been looking at a couple of classes  vtkSMStateVersionController,
> > vtkSMStateLoader, vtkSMProperty.
> > I got confused after looking at so many classes related to this.  Do i need
> > to register my variable or send it using a specific function?
> > Is there some documentation/tutorial for this?
> >
> > thanks
> >
> > Michal Wozniak
> >
> >
> >
> >
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[Paraview] Save State/adding custom property

[michal wozniak]

Hi everyone,
I am trying to add a custom property to the state xml. 
For eg: 
I loaded object.stl and did a slice on it. Then, I saved the state and went to 
look at the XML. 

 
I want to add an extra property called "user" 
 

the extra property will be added during the saving of the state. I will be 
changing user property using a widget. I just want to know how to send the 
value of my variable user to be printed in the xml. 
I have been looking at a couple of classes  vtkSMStateVersionController, 
vtkSMStateLoader, vtkSMProperty. I got confused after looking at so many 
classes related to this.  Do i need to register my variable or send it using a 
specific function?Is there some documentation/tutorial for this?
thanks 
Michal Wozniak


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[Paraview] Paraview Web 5 show Widget‏

[michal wozniak]

Hi everyone,I have been trying for the past couple of day to replicate the show 
Widget (eg : show Plane, show Box display ) in ParaView web. In the desktop 
version, when you add a filter slice with Plane type, you get a red rectangle 
representing your widget with axes to easily move it. How do you enable this 
feature in ParaView web? In some old version of ParaView ( 
http://www.paraview.org/Wiki/ParaViewWeb_PWApp) it was possible. ThanksMichal   
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