Dirk, "select" doesn't create object, it creates atom selections, which are essentially lists of atoms in actual molecular objects. Selections have almost no properties, settings, or anything else other than a name (if they are named selections) and a display state (pink dots, on or off). Performing operations on selections really means operating on selected atoms within one or more molecular objects.
"create" copies atoms into a new object. The resulting object is independent of the prior copy, and thus, can have different settings, colors, representations, display states (on/off), etc. Cheers, Warren -----Original Message----- From: Dirk Kostrewa [mailto:kostr...@genzentrum.lmu.de] Sent: Wed 7/22/2009 6:22 AM To: PyMOLBB Subject: [PyMOL] Difference between create and select? Dear Warren & PyMOLers, I notice that "create" is needed to make objects that can have different transparency settings. But what exactly is the difference between "create" and "select", since both commands seem to make a new object from the atom selection? Best regards, Dirk. ******************************************************* Dirk Kostrewa Gene Center, A 5.07 Ludwig-Maximilians-University Feodor-Lynen-Str. 25 81377 Munich Germany Phone: +49-89-2180-76845 Fax: +49-89-2180-76999 E-mail: kostr...@genzentrum.lmu.de WWW: www.genzentrum.lmu.de *******************************************************
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