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As SNAP Desktop is based on the NetBeans RCP, tool windows are based on NetBeans TopComponents. TopComponents are display windows which might be floating, but can also be tabbed or docked. Similarly to Actions, TopComponents can be annotated. Using these Annotations, it is possible to define entries in menus or toolbars, but also to specify where a TopComponent shall be positioned after it is opened. Some TopComponents might be already open at the start of the Sentinel Toolbox. The Toolbox remembers which TopComponents have been opened and where they have been placed. This configuration will be re-loaded. SNAP offers a convenience class ToolTopComponent which might be used to create Tool Windows. This class listens to changes of the ProductSceneView, as it is assumed that the information displayed in the Tool Window is directly related to the presently displayed image.
Explain SNAP Desktop layout and basic concepts. Add screenshots for the most relevant parts
- Explain items in the product explorer, vector data, pins, metadata, bands, etc
- Mention selection
- Introduce various tool windows and toolbars
- Explain image and metadata views
- Plugin manager