(read {geometry|camera|appearance|image|ntransform|transform|command} {GEOMETRY or CAMERA or …})Read and interpret the text in … as containing the given type of data. Useful for defining objects using OOGL reference syntax, e.g.
(geometry thing { INST transform : T geom : fred })
(read geometry { define fred
QUAD
1 0 0 0 1 0 0 0 1 1 0 0
})
(read transform { define T <myfile})
See Embedded objects and external-object references. See (hdefine …). See (hdelete …).