[Paraview] messy legend

[Berk Geveci]

Hi Burlen,

I totally agree. If possible, we should change it so that there is no
server side render and image delivery when interacting with the scalar
bar widget. I am guessing it will involve subclassing the scalar bar
widget and changes to some other stuff. Utkarsh, what do you think?

-berk

2009/9/27 burlen <burlen.loring at gmail.com>:
> Hi Berk,
>
> I don't doubt you but I am surprised to learn that the scalar bar widget
> is being rendered client side. In client-server mode as I interact with
> the scalar bar widget the scene is re-render server side and an image is
> shipped with every mouse move. To see that this is so put a print
> statements in vtkPVDesktopDeliveryClient::ReceiveImageFromServer. Since
> the scalar bar widget is rendered client side, is there really a need to
> re-render and ship the image form the server side with each scalar bar
> widget interaction? Preventing these server side render/image transfers
> would certainly improve remote interactivity.
>
> By the way can you point me to where PV renders the scalar bar widget?
>
> Burlen
>
> Berk Geveci wrote:
>> I believe that the legend is always rendered on the client so changing
>> to remote render would probably have no effect.
>>
>> 2009/9/26 burlen <burlen.loring at gmail.com>:
>>
>>>> Compiling mesa3d is difficult to me.
>>>>
>>> The mesa autoconf files never have worked for me, but, the pre-packaged make
>>> files always have. "make linux".
>>>
>>>
>>>> If I run paraview on the server and display it on the server,then
>>>> everything is ok. But if I use my laptop ,log into the server,then plot with
>>>> paraview on the server and display the result on the laptop,then I get the
>>>> bad legend again.
>>>>
>>> When you connect to the server from your laptop: Go to
>>> "Edit->Settings->Render View->Server". See that "remote Render Threshold" is
>>> checked and set the value to 0. That will make sure rendering happens on the
>>> server and not on your laptop.
>>>
>>> linzhenhua wrote:
>>>
>>>> Hi,Thanks for your reply. I try to narrow the problem as follows. I wonder
>>>> if I could get some other hints. Compiling mesa3d is difficult to me.
>>>>
>>>> I install linux on a PC today,let's call it server. If I run paraview on
>>>> the server and display it on the server,then everything is ok. But if I use
>>>> my laptop ,log into the server,then plot with paraview on the server and
>>>> display the result on the laptop,then I get the bad legend again.
>>>>
>>>> Any hints?
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> 在2009-09-25，"Berk Geveci" <berk.geveci at kitware.com> 写道：
>>>>
>>>>> To verify whether your graphics driver/card is causing this issue, you
>>>>> can compile Mesa (from mesa3d.org) yourself without any hardware
>>>>> support and use it as your OpenGL. If you are still having this
>>>>> problem, it is not your card.
>>>>>
>>>>> -berk
>>>>>
>>>>> 2009/9/25 linzhenhua <linzhenhua at 163.com>:
>>>>>
>>>>>> Hi,All
>>>>>>
>>>>>> I was bothering by this problem for several days. The legend is very
>>>>>> bad.
>>>>>>
>>>>>> I tried two or three Fedora versions, 10,11,rawhide. For Fedora 11,I
>>>>>> have
>>>>>> other problem,namely paraview freeze the computer,so I don't notice
>>>>>> whether
>>>>>> this version also have this problem.
>>>>>>
>>>>>> For all version I tried, I test both the version coming with the distro
>>>>>> and
>>>>>> personally compiled version(I have tried both 3.4.0 and 3.6.1)
>>>>>>
>>>>>> Since I have tried different Fedora version,they should have different
>>>>>> versions of graphic driver, I guess this is not the problem. Now I
>>>>>> suspect
>>>>>> whether this problem is related with the hardware. But I do not have
>>>>>> any
>>>>>> other problem with the graphic card.
>>>>>>
>>>>>> Can any one have any idea which is the next possible direction I should
>>>>>> try
>>>>>> to solve this problem?
>>>>>>
>>>>>>
>>>>>> Best wishes.
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>>
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>>>>>>
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