Hi all,

Would it be possible (or is it already possible) to set resolution limits for 
an mtz on the fly?

I'm not sure whether this is feasible or not, but the fact that on the fly 
B-factor sharpening works makes me think it might be.

This would be particularly handy when dealing with EM maps, where it is often 
desirable to look at the map filtered at say 8Å to reveal poorly ordered or 
very mobile domains, the position of which is lost in the noise when looking at 
the map with all the higher resolution terms present. 

Right now I just load the map several times with different resolution limits, 
but it would be nice to be able to do this on the fly, both for map 
interpretation and for fitting (One could fit domains several times using 
progressively higher resolution data, for example).

I realize that using a positive B-factor in sharpening achieves a similar 
effect, but the map doesn't look nearly as good.

Best,
Oliver.

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