Difference between revisions of "Selection Exists"

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Line 13: Line 13:
 
                 return 1
 
                 return 1
 
     return 0
 
     return 0
</source>
 
  
 
# Note from Warren:
 
# Note from Warren:
 
#
 
#
# a simpler, faster approach:
+
# simpler, faster:
  
 
def sele_exists(sele):
 
def sele_exists(sele):
 
   return sele in cmd.get_names("selections")
 
   return sele in cmd.get_names("selections")
 
+
</source>
 
 
  
 
[[Category:Scripting_Script_Library|Selection Exists]]
 
[[Category:Scripting_Script_Library|Selection Exists]]

Revision as of 20:32, 3 March 2005

#
# The function below will return true if the selection is defined.
#
from pymol import cmd
from types import *

def sele_exists(sele):
    sess = cmd.get_session()
    for i in sess["names"]:
        if type(i) is ListType:
            if sele==i[0]:
                return 1
    return 0

# Note from Warren:
#
# simpler, faster:

def sele_exists(sele):
   return sele in cmd.get_names("selections")