I want to assemble a new exhibition in a custom, institutional environment

[tomcrane]

I know my way around the manifest, I know IIIF, and I really don’t need anything special in the way of customized editing environments. But I do need:

The ability to position more than one image on a single canvas
The ability to edit the canvas dimensions - e.g., the canvas is bigger than any of its content
The ability to modify some IIIF resources with behavior properties of my own, so that they produce particular effects in the Delft environment
The ability to edit ranges

In this scenario the editor is still the standard IIIF Manifest Editor, but its config provides:

Extra behaviors (map of resource type to permitted extra behaviours)
Default preview environment is a Delft environment

Persistence configured to…

(TBC)

[tomcrane]

Perhaps @sammeltassen could provide a narrative for this one? Not necessarily with the commentary of #36.