Hi,
is it possible to change the text of a text overlay and update the
screen or you need to create a new TextOverlay2D instance any time
when you want to change the text.
I want to show the pixel intensities at the crosshair as an
annotation, but cannot update the text.
I tried these so far, with no success:
for (int i = 0; i < 3; ++i)
{
mitk::BaseRenderer* renderer = m_RenderWindows[i]->GetRenderer();
mitk::OverlayManager::Pointer overlayManager =
renderer->GetOverlayManager();
mitk::TextOverlay2D::Pointer textOverlay = m_TextOverlays[i];
textOverlay->SetText("hallo");
textOverlay->Update(renderer);
renderer->RequestUpdate();
mitk::AbstractOverlayLayouter::Pointer layouter =
overlayManager->GetLayouter(renderer,
mitk::Overlay2DLayouter::STANDARD_2D_BOTTOMRIGHT());
layouter->RemoveOverlay(textOverlay);
layouter->AddOverlay(textOverlay);
overlayManager->UpdateOverlays(renderer);
}
The text was "hello" initially, and it does not change to "hallo".
Is it a bug or am I missing something?
Thanks,
Miklos
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