3.2.2 Perspective Transformation

SCSEYE(XEYE3, YEYE3, ZEYE3) Sets an eye point
SCSOBJ(XOBJ3, YOBJ3, ZOBJ3) Sets a focus point
SCSPLN(IXC3, IYC3, SEC3) Allocates a 2-D plane
SCSPRJ Makes a perspective transformation effective


Other inquire routines for parameters are SCQEYE, SCQOBJ, and SCQPLN.