[vtkusers] vtkGeoAlignedImageSource SetLatitudeRange and SetLongitudeRange

[Aashish Chaudhary]

Donny,

This could be a possible bug. I will have a look.

Thanks for reporting this.

Regards,
Aashish


On Sun, Oct 24, 2010 at 1:54 PM, Donny <donnyz at charter.net> wrote:
> I am using vtkGeoView and would just like to apply a
> vtkGeoAlignedImageSource to just the lower 48 United States. I have an image
> that represents the US with extents of -126 to -66 Degrees Longitude and 24
> to 50 Degrees Latitude. I thought I could just call SetLatitudeRange and
> SetLongitudeRange on the image source object. This still wraps the image
> around the whole globe, just at a lower resolution. Can someone tell me how
> I can accomplish this.
>
>
>
>   m_geoview = vtkGeoView::New();
>
>
>
>   m_geoview->DisplayHoverTextOff();
>
>   m_geoview->GetRenderWindow()->SetMultiSamples(0);
>
>   m_geoview->GetRenderWindow()->SetSize(400,400);
>
>
>
>   vtkSmartPointer<vtkGeoTerrain> terrain =
>
>     vtkSmartPointer<vtkGeoTerrain>::New();
>
>   vtkGeoGlobeSource* globeSource = vtkGeoGlobeSource::New();
>
>   globeSource->Initialize();
>
>   terrain->SetSource(globeSource);
>
>   m_geoview->SetTerrain(terrain);
>
>
>
>   vtkSmartPointer<vtkGeoAlignedImageRepresentation> imageRep =
>
>     vtkSmartPointer<vtkGeoAlignedImageRepresentation>::New();
>
>   vtkGeoAlignedImageSource* alignedSource = vtkGeoAlignedImageSource::New();
>
>   vtkSmartPointer<vtkBMPReader> reader =
>
>     vtkSmartPointer<vtkBMPReader>::New();
>
>   reader->SetFileName("C:\\usa48.bmp");
>
>   reader->Update();
>
>   alignedSource->SetImage(reader->GetOutput());
>
>   alignedSource->Initialize();
>
>   alignedSource->SetLatitudeRange(24.0, 50.0);
>
>   alignedSource->SetLongitudeRange(-126.0, -66.0);
>
>   imageRep->SetSource(alignedSource);
>
>   m_geoview->AddRepresentation(imageRep);
>
>
>
>   m_geoview->ResetCamera();
>
>   m_geoview->GetRenderer()->GetActiveCamera()->Zoom(1.2);
>
>
>
>   vtkViewTheme* theme = vtkViewTheme::New();
>
>   m_geoview->ApplyViewTheme(theme);
>
>   theme->Delete();
>
>
>
>   m_geoview->Render();
>
>
>
> Donny Zimmerman
>
> donnyz at charter.net
>
> 308-227-1756
>
>
>
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com