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knowing if a model is selected

asked 2014-11-28 03:17:20 -0500

jdddog gravatar image

Hi

How are you supposed to find out if a model is currently selected by the user from a model plugin? I've hunted around the Model and Entity classes and can't find any variables which store this information.

If there isn't currently a way, I could set a boolean in the model class when its selected / deselected in the method GLWidget::SetSelectedVisual. But how do you get a model from a visual?

Thanks

Jamie

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To get a model from a visual, you can use Visual::GetRootVisual

chapulina gravatar imagechapulina ( 2014-12-01 09:59:45 -0500 )edit

Sweet thanks!

jdddog gravatar imagejdddog ( 2014-12-02 18:18:44 -0500 )edit

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answered 2014-12-02 15:30:49 -0500

nkoenig gravatar image

There is a pull request that will help resolve this issue. This functionality will make it into Gazebo 5.0, at which point you'll be able to subsribe to the ~/selection topic to get model selection information.

In the mean time you can write a GUI plugin that publishes the information to your model plugin. A key piece of information is that the GUI operates in a different process than the server. You model plugin runs on the server, and therefore does not have direct access to the GUI. The solution is to use a pub/sub mechanism.

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Ok thanks for the explanation, that makes sense now :)

jdddog gravatar imagejdddog ( 2014-12-02 18:17:12 -0500 )edit
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Asked: 2014-11-28 03:17:20 -0500

Seen: 143 times

Last updated: Dec 02 '14