I am just starting to explore if/else and related constructs. I would
like to apply it to animations containing multiple frames (=20).
Since I am learning, I will start with a simple example: an animation of
the SN2 reaction between hydroxide and methyl bromide.
I have two parameters of interest O-C and C-Br separation lengths,
Depending on the specific value of these two distances in each frame, I
would like to display their bonds as "no" bond "partial" bond, or
"single" bond.
Let's say I have some "boundary" conditions (in angstroms, totally
arbitrary for the purpose of this example):
C-O 1.44 and less is "single", more than 1.44 but less than 1.55
is partial, and more than 1.55 is no bond
C-Br 1.92 and less is single, more than 1.92 but less than 2.07
is partial and more than 2.07 is no bond
How can I write the if/else statement(s) to work (i.e. display properly)
in all frames?
An illustration would be especially appreciated (as I have no
programming experience).
Thanks,
PM
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