[Name Displaying] Export the scene in JSON format

[jilei-hao]

Background

EPIC: Name Displaying

An important proposed feature of the HuBMAP Web UI is displaying section names. User should be able to get the section name by pointing to a section (getting name by section), and has the section highlighted when pointing to the name of the section (getting section by name).

Task: Export the scene in JSON format

Now we have a scene with disassembled sections, we need to export the scene to JSON format

Requirements

Use the vtkJSONSceneExporter to export the content in the vtkRenderWindow to a JSON file.

Deliverables

• The generator exports a JSON scene file