Main Features (For developer)# 1. Show/Hide Model 1.1. Description 1.2. Usage 2. ExportGltf 2.1. Description 2.2. Usage 3. NRRDLoader 3.1. Description 3.2. Usage 4. Copper3d Plugin (Kiwrious Heart) 4.1. How to use in Copper3d 4.2. Useage 5. Using Threejs Animation system to create morph animations for meshes 5.1. Create morph animation for single mesh 5.2. Create uniform morph animations for multiple models 5.3. Create material color animate for mesh 6. Nrrd Tools Outline 7. Documentation for store mask data and transfer function in NRRD segmentation tools 7.1. Introduction 7.2. Implement transfer function 7.3. Issues