[vtkusers] vtkStringArray and /or vtkIntArray as outputVector

[David Gobbi]

I noticed a mistake in the code that I wrote.  The creation of the
array should be done like this:

vtkSmartPointer<vtkStringArray>  strArr =
  vtkSmartPointer<vtkStringArray>::New();


On Tue, Nov 25, 2014 at 6:54 AM, David Gobbi <david.gobbi at gmail.com> wrote:

> Hi Orlando,
>
> An array cannot, by itself, be an output.
> Instead, the array must be attached to a vtkDataObject.
>
> vtkDataObject *output = outInfo->Get(vtkDataObject::DATA_OBJECT());
> vtkSmartPointer<vtkStringArray>  strArr = vtkStringArray::New();
> strArray->SetName("Strings"); // set name to whatever you want
> output->GetFieldData()->AddArray(strArray);
>
> The "FieldData" of a vtkDataObject is a collection of arrays, you
> can add an unlimited number of arrays to it, and then retrieve them
> later:
>
> vtkStringArray *a = vtkStringArray::SafeDownCast(
>   output->GetFieldData()->GetAbstractArray("Strings"));
>
> You don't need to add any new outputs to the algorithm.  You can just
> add the arrays to the FieldData of an output that already exists.
>
>  - David
>
>
>
> On Tue, Nov 25, 2014 at 2:23 AM, RIVERA, Orlando <Orlando.RIVERA at mtu.de>
> wrote:
>
>>    Dear  Community
>>
>>
>>
>> I have been trying for a while  and   I checked some  examples as well
>>
>>
>>
>> I just want in a reader by   RequestData    to add two extra output
>> ports  one for vtkStringArray and one to vtkIntArray  ,
>>
>>
>>
>> Something lilke:
>>
>>
>>
>> void RequestData(vtkInformation*, vtkInformationVector**,
>> vtkInformationVector* outputVector){
>>
>>   {
>>
>> ......
>>
>>          vtkSmartPointer<vtkInformation>   outinfo1=
>> outputVector->GetInformationObject(1);
>>
>>                vtkSmartPointer<vtkStringArray>  strArr=
>> vtkStringArray::SafeDownCast(outInfo1->Get(vtkDataObject::DATA_OBJECT()));
>>
>>               strArr->SetNumberOfValues() ;
>>
>> ...
>>
>> }
>>
>>
>>
>> I think I need to tell outputVector  somewhere that its second element is
>> a vtkStringArray?  I saw all plugins  send vtkPoint, Grids etc   but
>> nothing like string-int arrays  .Sorry for my naivety !
>>
>>
>>
>> Cheers
>>
>>
>>
>> Orlando
>>
>>
>>   --
>> *MTU Aero Engines AG*
>> Vorstand/Board of Management: Reiner Winkler, Vorsitzender/CEO; Dr.
>> Rainer Martens, Michael Schreyögg, Dr. Stefan Weingartner
>> Vorsitzender des Aufsichtsrats/Chairman of the Supervisory Board: Klaus
>> Eberhardt
>> Sitz der Gesellschaft/Registered Office: Muenchen
>> Handelsregister/Commercial Register: Muenchen HRB 157206
>>
>> Diese E-Mail sowie ihre Anhaenge enthalten MTU-eigene vertrauliche oder
>> rechtlich geschuetzte Informationen.
>> Wenn Sie nicht der beabsichtigte Empfaenger sind, informieren Sie bitte
>> den Absender und loeschen Sie diese
>> E-Mail sowie die Anhaenge. Das unbefugte Speichern, Kopieren oder
>> Weiterleiten ist nicht gestattet.
>>
>> This e-mail and any attached documents are proprietary to MTU,
>> confidential or protected by law.
>> If you are not the intended recipient, please advise the sender and
>> delete this message and its attachments.
>> Any unauthorised storing, copying or distribution is prohibited.
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/vtkusers/attachments/20141125/c1d97288/attachment.html>