You might want to look into the upsalla compressed mask format (it's an
exact representation of a binary mask - compression is handled by just
tracking the start and end points of the stretches).
Pete
Hailiang Zhang wrote:
> Hi,
>
> As I understand, the general molecular mask generated by CCP4 (eg
> sfall+mapmask) are binary mask file which needs lots of memory space. I
> just wonder whether we can generate some small mask files represented by,
> say, envelope function (F(sita,psi))
> (http://journals.iucr.org/d/issues/2001/10/00/ba5001/ba5001.pdf). This
> will save lots of disc space and lots of efforts for my problem. Thanks!
>
> Hailiang
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