How can I change view or camera by using mouseMove?

Interactive Medical Simulation Toolkit (imstk)
1

Hi,
I want to change view or camera by mouse movement with mouse button pressing.Moreover I want to make pan/ zoom by mouse movement. Could you please give me detail or share any example about this subject?

2

The ability to do that is available on the MouseSceneControl component, although by default it usually only gets enabled when switching into the Debug mode via the d key. If you have the control available just callling control->setEnabled(true) will turn it on.

Depending on your code the MouseSceneControl might already be in your scene. If not it can be added via

auto mouseControl = std::make_shared<MouseSceneControl>();
mouseControl->setDevice(viewer->getMouseDevice());
mouseControl->setSceneManager(sceneManager);
mouseControl->setEnabled(true);
scene->addControl(mouseControl);

Or it also gets created in the via “SimulationUtils::createDefaultSceneControl()” you’d have to extract it from there with something like

auto manager = std::make_shared<SimulationManager>();
...
std::shared_ptr<Entity> controls = 
        SimulationUtils::createDefaultSceneControl(manager);
if (auto mouseControl = mouseAndKeyControls->getComponent<MouseSceneControl>()) {
	mouseControl->setEnabled(true);
}

Hope this helps

1 Like
3

Harald,
Thank you. Second option worked.