The sweep direction of a directional transition (the /Di entry). A number of degrees — only the discrete angles 0, 90, 180, 270, 315 are valid — or "none" (the /Di /None name, used by fly to mean "fly toward the viewer").
/Di
0
90
180
270
315
"none"
/Di /None
fly
The sweep direction of a directional transition (the
/Dientry). A number of degrees — only the discrete angles0,90,180,270,315are valid — or"none"(the/Di /Nonename, used byflyto mean "fly toward the viewer").