[Viewer3D] Add slider to display cameras based on their resection IDs #2235
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If any model with cameras is displayed in the 3D Viewer, a slider can be used to filter the cameras that are being currently displayed based on their resection IDs. This allows to visualize the order in which the cameras have been added, and the groups in which they have been added.
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The `ExpandableGroup` is based on QML's `GroupBox`. It is very similar to the `Group` object, with the difference that it can be hidden/expanded by clicking on the group's title/label.
…evant The content of the "DISPLAY" and "CAMERA" groups is hidden by default. Instead of customizing the `Group` object's toolbar to hide/expand these groups, the `ExpandableGroup` object, which is specifically made to handle these cases, is used. The groups can be expanded either by clicking the dedicated tool button or anywhere on the toolbar.
Instead of displaying the resection IDs of the 3D model that was loaded last, update the display whenever the active model selection changes.
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fabiencastan
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Nov 17, 2023
fabiencastan
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Description
This PR adds a slider in the 3D Viewer to filter cameras in the 3D view based on their resection IDs. The slider appears when the "Display Cameras Based On Resection IDs" button is selected, and if at least one of the objects currently loaded in the 3D Viewer has cameras with identifiable resection IDs.
Any camera whose resection ID is higher than the one set through the slider will be hidden the 3D view, which allows to visualize the order in which the cameras have been added, and the groups in which they have been added.
Additionally, the "DISPLAY" and "CAMERA" groups become tabs that can be expanded and hidden. By default, they are hidden.
This relates to alicevision/QtAliceVision#51 and alicevision/AliceVision#1593.