In fact, 

   I call directly MyImageThreshold with 
threshold=paraview.MyImageThreshold({Input:reader, ...}) and I receive Uncaught 
TypeError : Object #<ParaView> has no method 'MyImageThreshold'
   when I use threshold = paravie.Threshold(....) (origin threshold of 
ParaView) then it works. That why I think that we have to use some kind of 
descriptor?
  

   Alex



________________________________
 From: Alex <tuanha_it0...@yahoo.com>
To: Sebastien Jourdain <sebastien.jourd...@kitware.com> 
Cc: "paraview@paraview.org" <paraview@paraview.org> 
Sent: Tuesday, June 26, 2012 12:24 AM
Subject: Re: [Paraview] ParaViewWeb, vtk filters python description
 

Thank you Seb,
   You mean the ParaView plugin at startup? Indeed, I copied the dynamique 
library .so in /install/lib/paraview-3.14/plugins and the plugin is loaded 
automatically into ParaView. It is then usable immediately in Python Shell.
   However, I doubt that I can use the plugin directly in ParaViewWeb without 
loading it.
   For exemple, I have a MyImageThresholdSMPlugin.so, also the plugin's name is 
MyImageThreshold. I called it sucessfully in Python Shell directly with 
reader2=MyImageThreshold(reader,ThresholdRange=[300,600]); (the values are 
given for exemple).
   In ParaViewWeb, can I use it directly by calling var 
reader2=paraview.MyImageThreshold({Input:reader, ThresholdRange:[300,600]}); ?
   In your previous reply, I have to load a Plugin by LoadPlugin command from 
simple.py. And then define a function that call the 
servermanager.Activeconnection.Modules.filters.MyImageThreshold(proxy) I wonder 
if they are the same thing? That why I ask if we have to write a 
MyImageThreshold.py so that our plugin is usable in ParaViewWeb.
   

   Alex



________________________________
 From: Sebastien Jourdain <sebastien.jourd...@kitware.com>
To: Alex <tuanha_it0...@yahoo.com> 
Cc: "paraview@paraview.org" <paraview@paraview.org> 
Sent: Tuesday, June 26, 2012 12:03 AM
Subject: Re: [Paraview] ParaViewWeb, vtk filters python description
 
If you managed to load your plugin (the C++ ParaView one) at startup,
then you will be able to use your filter as any other filter in
ParaViewWeb without using any ParaViewWeb plugin. Otherwise, the
python file that you are missing is in fact an XML file that list the
properties for each filters and sources inside ParaView.

PARAVIEW_src/ParaViewCore/ServerImplementation/resources/filter.xml

The labels without space are used as filter name and properties for
creating and controlling those filters...

Otherwise inside your ParaViewWeb plugin, you can provide a dictionary
as argument and just loop through its entry and set them in python.

Seb

On Mon, Jun 25, 2012 at 5:47 PM, Alex <tuanha_it0...@yahoo.com> wrote:
> Hi seb, thank you for your quick reply.
> I found that I can use vtk Filter like Threshold,
 Clip, etc. in ParaViewWeb
> by enter the arguments like I cited in my email. Like threshold =
> paraview.Threshold({Input:proxy,ThresholdRange:[300,600]}).
> So I think there are perhaps some files like pwsimple.py that describe how
> can ParaViewWeb can use a Plugin. I search for all the .py file in ParaView
> and I can't find something like that.
> I did succeed in doing a ParaViewWeb plugin.
> I used your advice to define something as following :
> def SimpleImageThreshold(proxy)
>
> servermanager.Activeconnection.Modules.filter.SimpleImageThreshold(proxy)
>
> Now if I want my plugin to take ThresholdRange=[300,600] as input like the
> original Threshold of ParaView, is that possible?
> If yes, how can we define this?
> Thank you very much indeed
>
>
>
>
 ________________________________
> From: Sebastien Jourdain <sebastien.jourd...@kitware.com>
> To: Alex <tuanha_it0...@yahoo.com>
> Cc: "paraview@paraview.org" <paraview@paraview.org>
> Sent: Monday, June 25, 2012 11:08 PM
> Subject: Re: [Paraview] ParaViewWeb, vtk filters python description
>
> I'm not sure I understand what you mean by "Where is the python file
> which describes the way of using vtk Filters in ParaViewWeb?"
>
> The one that is imported by default is the pwsimple.py which is an
> extension of the simple.py of
 regular ParaView.
>
> But having said that, you can't easily mix VTK filter and ParaView
> proxy together, unless you just want to do some data processing
> without rendering.
> But as I remember, you did a ParaView plugin for that, so normally,
> once loaded you should be able to use it.
>
> Did you try to load that plugin at startup with the extra argument of
> PWServer ?
>
> Seb
>
> On Mon, Jun 25, 2012 at 4:25 PM, Alex <tuanha_it0...@yahoo.com> wrote:
>> Hi everybody,
>>    Well, I found that using vtk Filter (Threshold, Clip, etc.) is simple
>> within ParaViewWeb, we have a list of filters so that we can use the
>> filters
>> @ http://paraview.org/Wiki/ParaView/Users_Guide/List_of_filters
>>    We can use
 "threshold =
>> paraview.Threshold({Input:proxy,ThresholdRange:[300,600]})" to applicate a
>> threshold between 300 and 600 for an image.
>>    So, my question is : where can I find the python script .py which
>> describes the way of using vtk Filters in ParaViewWeb?
>>
>>    If there isn't any file python script like that, how can we define a
>> function that take in value as described above? How can we tell the
>> ParaViewWeb to take in different type of variable?
>>    I mean : def ImageThreshold(proxy,ThresholdRange......) or something
>> like
>> that?
>>
>>    Thank you very much for your reply.
>>    Good day everybody :)
>>
>>
>> _______________________________________________
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>>
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>
>



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