sicmutils.calculus.frame
claimclj/s
(claim coords owner)Marks (via metadata) the supplied set of coords as being owned by owner. If
coords already has an owner (that is not equal to owner), throws.
Marks (via metadata) the supplied set of `coords` as being owned by `owner`. If `coords` already has an owner (that is not equal to `owner`), throws.
event?clj/s
(event? e)Returns true if e is an event, false otherwise.
Make new events with make-event.
Returns true if `e` is an event, false otherwise. Make new events with [[make-event]].
frame-makerclj/s
(frame-maker c->e e->c)Takes:
c->e, a function mapping coordinates to eventse->c, a function mapping events to coordinates
and returns a function that takes:
- a symbolic name
- an ancestor frame
- a dictionary of params
and returns instance of IFrame.
Both c->e and e->c must accept three arguments:
ancestor-frame- the
IFrameinstance - a map of parameters supplied to the returned function (possibly empty!).
Takes: - `c->e`, a function mapping coordinates to events - `e->c`, a function mapping events to coordinates and returns a function that takes: - a symbolic name - an ancestor frame - a dictionary of params and returns instance of [[IFrame]]. Both `c->e` and `e->c` must accept three arguments: - `ancestor-frame` - the [[IFrame]] instance - a map of parameters supplied to the returned function (possibly empty!).
frame-ownerclj/s
(frame-owner coords)Returns the owning IFrame instance of the supplied coordinates coords,
nil if there's no owner otherwise.
Returns the owning [[IFrame]] instance of the supplied coordinates `coords`, nil if there's no owner otherwise.
frame?clj/s
(frame? x)Returns true if x implements IFrame, false otherwise.
Returns true if `x` implements [[IFrame]], false otherwise.
IFrameclj/sprotocol
ancestor-frameclj/s
(ancestor-frame _)Returns the ancestor IFrame instance of this frame, or nil if there is
no ancestor.
Returns the ancestor [[IFrame]] instance of this frame, or nil if there is no ancestor.
coords->eventclj/s
(coords->event this coords)Accepts a coordinate representation coords of some event and returns a
coordinate-free representation of the event.
coords must be owned this this reference frame; [[coords->event]] will throw
if not.
Accepts a coordinate representation `coords` of some `event` and returns a coordinate-free representation of the event. `coords` must be owned this this reference frame; [[coords->event]] will throw if not.
event->coordsclj/s
(event->coords this event)Accepts a reference frame and an event, and returns this reference
frame's coordinate representation of the supplied event.
Accepts a reference frame and an `event`, and returns this reference frame's coordinate representation of the supplied `event`.
frame-nameclj/s
(frame-name _)Returns the symbolic name of the suppplied frame.
Returns the symbolic name of the suppplied frame.
paramsclj/s
(params _)Returns the parameters registered with the supplied frame.
Returns the parameters registered with the supplied frame.
make-eventclj/s
(make-event e)Marks the input event e as an event via its metadata. The return value will
return true when passed to event?.
Marks the input event `e` as an event via its metadata. The return value will return `true` when passed to [[event?]].
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