[Paraview] Populating a servermanager list widget with string array

[Utkarsh Ayachit]

I'd suggest looking at in the debugger and the tracking the segfault
down. Not sure where it could be going wrong.

Utkarsh

On Thu, Aug 21, 2014 at 8:25 AM, Girish Ramesh <rgirish28 at gmail.com> wrote:
> Dear Utkarsh,
>
> Thank you for the email. I tried modelling it along the example mentioned.
> This is the code that I have written but it segfaults for no reason that is
> apparent to me.
>
> C++ Code:
>
> ReadUALGrid::ReadUALGrid()
> {
>   //this->FileName = NULL;
>   this->SetNumberOfInputPorts(0);
>   this->SetNumberOfOutputPorts(1);
>   this->trial=vtkSmartPointer<vtkDataArraySelection>::New();
>   this->trial->AddArray("hello");
>   this->trial->AddArray("world");
>   this->trial->EnableAllArrays();
> }
>
>
> }
>
> vtkDataArraySelection * ReadUALGrid::GetCPOListSelection(){
>
> return this->trial.GetPointer();
> }
>
>
> int ReadUALGrid::GetCPOListArrayStatus(char *name){
>
> return this->trial->GetArraySetting(name);
> }
>
> void ReadUALGrid::SetCPOListArrayStatus(const char * name, int status){
>
>         if (status){
>                 this->trial->EnableArray(name);
>         }
>         else{
>                 this->trial->DisableArray(name);
>         }
>
>
> }
>
>
> int ReadUALGrid::GetNumberOfCPOListArrays(){
>
>
> return this->trial->GetNumberOfArrays();
> }
>
>
> const char * ReadUALGrid::GetCPOListArrayName(int index){
>
> return this->trial->GetArrayName(index);
>
> }
>
>
> XML:
>
> <StringVectorProperty
>        name="CPOList"
>        label="CPOList"
>        command="SetCPOListArrayStatus"
>        number_of_elements="0"
>        number_of_elements_per_command="2"
>        element_types="2 0"
>        information_property="CPOListArrayStatus"
>        panel_visibility="default">
>
>        <ArraySelectionDomain name="array_list">
>         <RequiredProperties>
>         <Property function="ArrayList"
>                 name="CPOListArrayStatus"/>
>         </RequiredProperties>
>         </ArraySelectionDomain>
>         <Documentation>
>
>           This property specifies the CPO on the UAL Database.
>         </Documentation>
>      </StringVectorProperty>
>
>
>      <StringVectorProperty
>        name="CPOListArrayStatus"
>        information_only="1">
>         <ArraySelectionInformationHelper attribute_name="CPOList"/>
>      </StringVectorProperty>
>
>
> Any idea where I am making the mistake? Can I initialize a
> DataArraySelection that way? Thanks.
>
> Regards,
> Girish
>
>
> On 20 August 2014 22:49, Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
> wrote:
>>
>> Try modeling this on "Point/Cell" array selection properties provided
>> by readers (in readers.xml). You'd need to use the
>> ArraySelectionDomain, the StringListDomain won't work.
>>
>> e.g.
>>       <StringVectorProperty command="SetPointArrayStatus"
>>                             element_types="2 0"
>>                             information_property="PointArrayInfo"
>>                             label="Point Arrays"
>>                             name="PointArrayStatus"
>>                             number_of_elements="0"
>>                             number_of_elements_per_command="2"
>>                             repeat_command="1">
>>         <ArraySelectionDomain name="array_list">
>>           <RequiredProperties>
>>             <Property function="ArrayList"
>>                       name="PointArrayInfo" />
>>           </RequiredProperties>
>>         </ArraySelectionDomain>
>>         <Documentation>This property lists which point-centered arrays to
>>         read.</Documentation>
>>       </StringVectorProperty>
>>
>>
>>
>> On Wed, Aug 20, 2014 at 9:37 AM, Girish Ramesh <rgirish28 at gmail.com>
>> wrote:
>> > Hi,
>> >
>> > I would like to use the panel_widget option in the servermanager XML
>> > with a
>> > String Array, but whenever I try to do it, it doesn't display anything.
>> > So,
>> > I'm wondering how it can be done even though it works with a normal
>> > StringVectorProperty for the default widget. Thank you. The XML and
>> > screenshot is given below.
>> >
>> > XML:
>> >
>> > <StringVectorProperty
>> >        name="CPOList"
>> >        label="CPOList"
>> >        command="SetCPOList"
>> >        number_of_elements="1"
>> >        panel_visibility="default"
>> >        panel_widget="list">
>> >        <StringListDomain name="array_list">
>> >         <RequiredProperties>
>> >         <Property function="ArrayList"
>> >                 name="CPOListInfo"/>
>> >         </RequiredProperties>
>> >         </StringListDomain>
>> >         <Documentation>
>> >           This property specifies the CPO on the UAL Database.
>> >         </Documentation>
>> >      </StringVectorProperty>
>> >
>> >
>> >      <StringVectorProperty
>> >        name="CPOListInfo"
>> >        label="CPOListInfo"
>> >        command="GetCPOList"
>> >        information_only="1">
>> >         <StringArrayHelper />
>> >      </StringVectorProperty>
>> >
>> > Screenshot of option working with default widget:
>> >
>> > https://imageshack.com/i/eyhM3mFKp
>> >
>> > Regards,
>> > Girish
>> >
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