Aw: [3dem] Remove negative density from a map

Tim Dahmen tim.dahmen at dfki.de
Mon Apr 29 02:37:38 PDT 2013


Hello Max,

one simple way is using ImageJ. You open the mrc stack (requires the BioFormats
Plugin), then choose Process - Math - Min. Enter min value 0 and apply. Safe the
stack - done.

best regards
    Tim

> Dear all
> Does anybody know how to remove negative density (set to zero) from a mrc map?
> I subtracted two structures to highlight a factor and the negative peaks are
> making my life miserable.
> Best
> Max

Dipl.-Inform. Tim Dahmen
Senior Consultant

Deutsches Forschungszentrum für Künstliche Intelligenz GmbH, DFKI
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