[Paraview] vtkInformation Error in Paraview 2.6 (any changes to vtkInformation class since v 2.5??)

[Berk Geveci]

It looks like your algorithm is returning 0 from RequestData. Can you verify
if this is the case?

-berk

On 2/16/07, shawn mckenzie <shawn.mcknezie at gmail.com> wrote:
>
> All,
>
> I had a complete working filter in Paraview 2.5 that took in two inputs:
> Input (vtkDataSet) and Source (vtkMultiGroupDataSet). In porting the code
> over to work in 2.6 I stumber across the following error:
>
> Error or warning: There was a VTK Error in file: /root/paraview-2.6/VTK/Filtering/vtkExecutive.cxx
> (688)
>  vtkCompositeDataPipeline (0xe992e18): Algorithm
> vtkDistanceToGrid(0xeb0c550) returned failure for request: vtkInformation
> (0xebbe290)
>   Debug: Off
>   Modified Time: 177879
>   Reference Count: 1
>   Registered Events: (none)
>   Request: REQUEST_DATA
>   FROM_OUTPUT_PORT: 0
>   GROUP: 0
>   ALGORITHM_AFTER_FORWARD: 1
>   FORWARD_DIRECTION: 0
>   INDEX: 0
> ErrorMessage end
>
> The error is repeated for each group of the multigroup dataset input, with
> the GROUP: value incrementing.
>
> Does anyone know of any possible changes through versions, or any other
> reason why this error would be occuring?
> I have included the pvsm and xml files below.
>
> Thank You in advance
> Shawn
>
>
>
> <ServerManagerConfiguration>
>        <ProxyGroup name="filters">
>           <SourceProxy name="DistanceToGrid" class="vtkDistanceToGrid">
>             <InputProperty
>               name="Source"
>               command="SetSourceConnection">
>                 <ProxyGroupDomain name="groups">
>                     <Group name="sources"/>
>                     <Group name="filters"/>
>                 </ProxyGroupDomain>
>                 <DataTypeDomain name="input_type"
> composite_data_supported="1">
>                       <DataType value="vtkDataSet"/>
>                 </DataTypeDomain>
>             </InputProperty>
>             <InputProperty name="Input" command="AddInputConnection"
> clean_command="RemoveAllInputs" multiple_input="1">
>                     <ProxyGroupDomain name="groups">
>                         <Group name="sources"/>
>                         <Group name="filters"/>
>                     </ProxyGroupDomain>
>                     <DataTypeDomain name="input_type">
>                            <DataType value="vtkDataSet"/>
>                     </DataTypeDomain>
>             </InputProperty>
>            </SourceProxy>
>        </ProxyGroup>
> </ServerManagerConfiguration>
>
>
>
> <ModuleInterfaces>
>  <ServerManagerFile name="DistanceToGrid.pvsm"/>
>  <Module name="DistanceToGrid"
>     root_name="distToGrid"
>     replace_input="0"
>     menu_name="Distance To Grid"
>     module_type="Filter"
>     long_help="distToGrid"
>     short_help="distToGrid">
>    <Filter class="vtkDistanceToGrid">
>      <Input name="Input" class="vtkDataSet"/>
>      <Input name="Source" class="vtkDataSet"/>
>    </Filter>
>    <InputMenu trace_name="Input"
>       property="Input"
>       label="Grid/Voxet"
>       help="Set the space to evaluate:"
>       input_name="Input"
>       initialize_with_current="1"/>
>    <InputMenu trace_name="Source"
>       property="Source"
>       label="Drill Hole"
>       help="Select the drill hole to measure distances:"
>       input_name="Source"/>
> </Module>
> </ModuleInterfaces>
>
>
>
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>


-- 
Berk Geveci
Kitware Inc.
28 Corporate Drive
Clifton Park, NY, 12065
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