2.6 Pict Finders

(lt-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(ltl-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(lc-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(lbl-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(lb-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(ct-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(ctl-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(cc-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(cbl-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(cb-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(rt-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(rtl-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(rc-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(rbl-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

(rb-find pict find)   →   real?   real?

pict : pict?

find : pict-path?

Locates a pict designated by find is within pict. If find is a pict, then the pict must have been created as some combination involving find.

If find is a list, then the first element of find must be within pict, the second element of find must be within the second element, and so on.

(pict-path? v) → boolean?

v : any/c

Returns #t if v is a pict or a non-empty list of picts.

(launder pict) → pict?

pict : pict?

Creates a pict that has the same drawing and bounding box of pict, but which hides all of its sub-picts so that they cannot be found with functions like lt-find.