[Paraview] MultiBlock Dataset Naming Issues

[burlen]

typo in my example, this one should be better

burlen wrote:
> if you set the vtkCompositeDataSet::NAME() in each block it will show 
> up in the object inspector information tab. I attached an example.
>
> Michael Jackson wrote:
>> Ok. But wouldn't that just set the name of the multiblock dataset 
>> that holds all the extracted datasets? I am looking for something 
>> like: multiblock->SetDataName(blockNumber, Name);
>>
>> And for those names to show up in the gui somewhere I guess.
>> -- 
>> Mike Jackson <www.bluequartz.net>
>>
>> On Jan 19, 2010, at 3:50 PM, burlen wrote:
>>
>>> I am just saying that PV (at least used to) treat partial arrays 
>>> specially. It's something to be aware of. In terms of displaying 
>>> strings in the UI have you tried to set
>>> vtkCompositeDataSet::NAME() on the leafs? I see that is used by 
>>> various readers and recognized by PV, you might look closer at that.
>>>
>>> Michael Jackson wrote:
>>>> I am doing the following:
>>>>
>>>> vtkImageData* imageData = ...
>>>> // Initialize output with the proper dimensions and other stuff
>>>> .....
>>>> // Set the Name of the Scalars
>>>> imageData->GetPointData()->GetScalars()->SetName(record->getRecordName().c_str()); 
>>>>
>>>> imageData->GetPointData()->SetActiveScalars(record->getRecordName().c_str()); 
>>>>
>>>>
>>>> multiBlock->SetBlock(blockNum, imageData);
>>>>
>>>>
>>>> The call to record->getRecordName().c_str() will be different for 
>>>> each block
>>>> that is extracted, based on what the user asked for in the GUI. So 
>>>> what you are
>>>> saying is the name of the Scalars must be the same, for each and 
>>>> every block? Is there a way to tag a Human readable string onto 
>>>> each block so that it shows up in the GUI? Lookup table or 
>>>> something else?
>>>>
>>>>
>>>> ___________________________________________________________
>>>> Mike Jackson                      www.bluequartz.net
>>>> Principal Software Engineer       mike.jackson at bluequartz.net
>>>> BlueQuartz Software               Dayton, Ohio
>>>>
>>>>
>>>> On Jan 19, 2010, at 2:58 PM, burlen wrote:
>>>>
>>>>> PV expects each  block to have the same set of arrays, if an array 
>>>>> is missing from one of the blocks then PV treats it as a partial 
>>>>> array. Are you setting the same arrays in each block?
>>>>>
>>>>> Michael Jackson wrote:
>>>>>> I have my MultiBlockDataset reader working nicely now. I have a 
>>>>>> custom panel that contains a tree view and I can select various 
>>>>>> selections from the tree and have "something" rendered in the 3D 
>>>>>> view. Awesome. Now, the problems.
>>>>>>
>>>>>> When I click on the "Information" tab to see the list of datasets 
>>>>>> that were actually read (The Heirarchy Table) the list is 
>>>>>> correct. But when I click on one of the data sets and then look 
>>>>>> at the "Data Arrays" table the name that appears has a " 
>>>>>> (partial)" appended to it. Where is that coming from and what 
>>>>>> does it mean?
>>>>>>
>>>>>> Also, when I view the data as a "Surface" and then select one of 
>>>>>> the listed Arrays to "Color By" the rendered view just stays a 
>>>>>> solid color. Actually it looks like as long as I select the top 
>>>>>> most array to color by in the list, after the "Solid" and 
>>>>>> "vtkCompositeIndex" selections then I will get a proper rendering.
>>>>>>
>>>>>> So for example, say I tell my reader to read the following 3 data 
>>>>>> sets: Phi1, Phi, Phi2. This will result is a MultiBlockDataset 
>>>>>> with 3 blocks. The "Color By" drop down will have the following:
>>>>>>
>>>>>> Solid
>>>>>> vtkCompositeIndex
>>>>>> phi1
>>>>>> phi
>>>>>> phi2
>>>>>>
>>>>>> If I select "phi1" the rendering is correct. If I select "phi" or 
>>>>>> "phi2" then I just get a solid color surface rendering.
>>>>>>
>>>>>> Anyone seen anything like this or possibly know what is going on? 
>>>>>> I can supply all the source codes and experimental data if that 
>>>>>> is needed.
>>>>>> ___________________________________________________________
>>>>>> Mike Jackson                      www.bluequartz.net
>>>>>> Principal Software Engineer       mike.jackson at bluequartz.net
>>>>>> BlueQuartz Software               Dayton, Ohio
>>>>>>
>>>>>>
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>>>>>
>>>>
>>>
>>
>

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