[vtkusers] Need help loading image from memory

[Hossein Nazem]

dear joachim
thanks a lot for your response but if i use this:

vtkDataArray* da = vtkDataArray::New();

then i have a compile error :

error C2440: 'initializing' : cannot convert from 'vtkObject *' to
'vtkDataArray *'





On Wed, Jan 30, 2013 at 6:12 PM, Joachim Pouderoux <
joachim.pouderoux at kitware.com> wrote:

> Hi,
>
>
> da = 0;
> da->SetVoidArray(buffer,512*512*295,1);
>
> For sure it crashes!  :)
> Why do you set da = 0 ? Instead you mush create the vtkDataArray :
> da = vtkDataArray::New();
>
> Joachim
>
> 2013/1/30 Hossein Nazem <hossein.nazem at gmail.com>
>
>> hi all
>> i'm trying to load a volume from memory by means of setvoidarray.
>> its a 3d array of int (512*512*295) and i use vs2012 win7 x64.
>> there is no compile error but in run time when i trace program to
>> the line"da->SetVoidArray(buffer,512*512*295,1);" (by F10 or F11) ,
>> tracing terminate!
>> nothing happen and no runtime error!
>> any help is appreciated
>> here is my code:
>>
>> void rendering::LoadFromMemory(INT16 buffer[512][512][295], int width,
>> int height, int slices, double voxelsizeX, double voxelsizeY, double
>> voxelsizeZ, double originX, double originY, double originZ)
>> {
>>         input = 0;
>>         if (!input)
>>         {
>>                 input = vtkImageData::New();
>>         }
>>         vtkDataArray* da ;
>>         da = 0;
>>         da->SetVoidArray(buffer,512*512*295,1);
>>         input->GetPointData()->SetScalars(da);
>>         input->SetDimensions(width, height, slices);
>>         input->SetSpacing(voxelsizeX, voxelsizeY, voxelsizeZ);
>>         input->SetOrigin(originX, originX, originZ);
>> }
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at:
>> http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
>
>
>
> --
> *Joachim Pouderoux*
>
> *PhD, R&D Enginee*r
> *Kitware SAS <http://www.kitware.fr>*
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20130130/9d636b60/attachment.htm>