Arguments

building  the name of the building (string)

story  the name of the story (string)

Return

the story's elevation, relative to the building;
NIL if the building and/or story does not exist

Example

(bim:create-building "Building 1")  T
(bim:create-story "Building 1" "Story 1")  T
(bim:get-story-elevation "Building 1" "Story 1")  0.0

Remarks

see (bim:set-story-elevation)
all string names are always case-sensitive !