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Re: [IMP-users] (no subject)

On 5/21/14, 4:03 PM, Joseph Eschweiler wrote:

_IMP_base.UsageException: Usage check failure: No optimized particles found
Context: MCCG Sampler 0::create_sample/MCCG Sampler 0::do_sample
Samplers are only really supposed to move particles that have been marked as optimizable. MC in 2.0 and earlier was a bit lax about actually enforcing this though - but as you've seen it was tightened up in 2.2. You'll need to mark your actual particles as optimizable, e.g. by calling XYZ::set_coordinates_are_optimized(). 

	Ben
--
                      http://salilab.org/~ben/
"It is a capital mistake to theorize before one has data."
	- Sir Arthur Conan Doyle