Hello, Just look at the examples in ?persp. There is a function called trans3d defined in it that will traduce your 3D coordinates to 2D, and so you will be able to draw lines with lines function.
Romain. Corey Bradshaw a écrit : >I've created a perspective plot using 'persp' in the graphics package. >I'd like to add a second plane of z values to the existing plot, but I >cannot seem to do this using 'persp'. Is there an analogue to 'lines' or >'points' for perspectives? > >Corey. >[EMAIL PROTECTED] > -- Romain FRANCOIS : [EMAIL PROTECTED] page web : http://addictedtor.free.fr/ (en construction) 06 18 39 14 69 / 01 46 80 65 60 _______________________________________________________ Etudiant en 3eme année Institut de Statistique de l'Université de Paris (ISUP) Filière Industrie et Services http://www.isup.cicrp.jussieu.fr/ ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html