OCT Program Example
* generate over all layers
(void) octInitGenContents(&facet, OCT_LAYER_MASK, &lgen);
while (octGenerate(&igen, &layer) == OCT_OK) {
* generate over all geometries on the layer
(void) octInitGenContents(&layer, OCT_GEO_MASK, &ggen);
while (octGenerate(&ggen, &geo) == OCT_OK) {
/* close down oct - release memory, notify design managers, etc. */