That's what the header says
MRC header: dmin,dmax,dmean: 0.0,0.4836611,0.037913516
I just opened it in Chimera as well. So Jmol has some sort of bug reading
mrc files.
On Fri, Sep 5, 2014 at 10:18 AM, <chris.w...@stfc.ac.uk> wrote:
> It opens fine in Chimera and CCP4MG, but we have just noticed that the
> data values in the map range from 0 to 0.48 – is this likely to cause a
> problem?
>
>
>
> Chris
>
>
>
> *From:* Robert Hanson [mailto:hans...@stolaf.edu]
> *Sent:* 05 September 2014 15:49
> *To:* jmol-users@lists.sourceforge.net
> *Subject:* Re: [Jmol-users] Setting cutoff with some maps causes map to
> fail to load
>
>
>
>
>
>
>
> On Fri, Sep 5, 2014 at 8:46 AM, <chris.w...@stfc.ac.uk> wrote:
>
> Hi Bob,
>
>
>
> I should have probably said that this is an EM map, not a crystallography
> one!
>
>
>
> doesn't matter. It's still messed up. Jmol reads EM maps just fine as far
> as I know.
>
> You sure it's OK?
>
>
> - Is JMol able to set absolute cutoffs (as normally required for
> EM maps), rather than using relative sigma values?
>
> sure
>
> isosurface cutoff x.x ....
>
>
> - What is the default value of cutoff? The third object does
> display 1akeA_10A.mrc, so I’m not quite sure what you mean by saying that
> Jmol is failing to read the file
>
>
>
> I mean it read the header, indicating it was made by Chimera on Sept 7,
> 2009. But all the numbers for the data values are just a lot of garbage.
> The right amount of garbage, but still just random numbers. Obviously
> that's not true, but I tried reading them little-endian and big-endian, and
> neither worked. So it's something other than that.
>
> Does Chimera open that? Does any other EM visualizer open it?
>
> Bob
>
>
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>
--
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Department of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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