Chimera 2 cellPACK Features

• Open cellPACK models, fetching JSON files from web.
• Open collada surface files used to represent cellPACK molecules.
• Hierarchical collapsible list of model components, checkbuttons for display
• Clipping that hides whole molecules (instead of cutting them).
• Simple interface to run cellPACK, place molecules on a surface or within a surface.
• Export low resolution surfaces (hundreds of triangles) for pdb models.
• Export multi-sphere bounds file for molecular components.