Hi Hari,
This is slightly different, and was indeed a bug in imosflm version
1.0.0. In the new version, released last week (1.0.3) this bug is
fixed, so that if images from multiple sectors are used in indexing,
the same matrix is defined for all those sectors (ie they will not be
marked as Unknown".
Best wishes,
Andrew
On 17 Aug 2009, at 14:53, hari jayaram wrote:
> I didnt realize the following:
>
> You read in images from the two wedges collected with the same
> crystal orientation.
>
> mydata_1_###.img
> mydata_101_###.img
>
>
> Now when you index ,if you say use images from both "datasets"
> mydata_1_###.img use image 1,90
> mydata_101_###.img use image 30 , 120
>
> The matrix for the second wedge (mydata_101_###.img) is still marked
> unknown?
> Isnt this different from the behaviour in the X- mosflm . SHould the
> matrixes be the same since the orientation was calculated using images
> from both.
>
> Now , If I did not force the second wedge to have the same matrix ,
> using the save to file and read from file method you just described ,
> does the new imosflm use the last calculated matrix from the running
> session or calculate a new matrix ?..I guess I have to check some of
> the data I processed with my erroneous assumption to make sure that
> the matrixes for the two wedges are the same .
>
> Thanks for clarifying this..
> hari
>
>
>
>
> On Mon, Aug 17, 2009 at 9:13 AM, Andrew
> Leslie<[log in to unmask]> wrote:
>> Dear Tom,
>>
>> There is a straightforward way to do what you want.
>> It is
>> probably simplest to start by reading in only the images from the
>> first
>> segment (0-180). Then do the indexing, cell refinement and
>> integration in
>> the usual way.
>>
>> Then read in the second segment of data. You will notice that in this
>> second
>> segment, underneath the Sector name, there is a line starting
>> "Matrix" and
>> this will be "Unknown". If you go to the Matrix line of the first
>> segment,
>> the matrix will have a name (based on the image template). Double
>> click on
>> the name of the matrix. A popup window (Matrix properties) will
>> appear.
>> Click on the "save matrix file" icon (a blue disc) and save the
>> matrix with
>> an appropriate filename.
>>
>> Now go to the Matrix line of the second segment, double click (on
>> Unknown)
>> as before and this time click on the "Open matrix file" icon (a
>> folder) and
>> read in the matrix that you saved from the first sector. You can now
>> process
>> the second segment using this matrix.
>>
>> It would be even nicer if you could "drag and drop" the matrix, this
>> is on
>> our "to do" list.
>>
>> Best wishes,
>>
>> Andrew
>>
>> On 17 Aug 2009, at 13:33, Brett, Thomas wrote:
>>
>>> I am an imosflm novice and have a relatively simple question. I have
>>> a 360
>>> deg data set collected in two swathes of 180 deg (one with phi=0 and
>>> omega
>>> going 0-180 and the second with phi = 180 and omega going 0-180).
>>> What is
>>> the easiest way to process the two datasets using a matching
>>> orientation
>>> matrix (or one rotated by 180 deg as it were) so that all the data
>>> can be
>>> merged together. Is there an easy way to do it in imosflm or must one
>>> process the two sets separately and then manipulate later with
>>> pointless
>>> before scalling and merging everything together?
>>> Thanks in advance.
>>> -Tom
>>>
>>> Tom J. Brett, PhD
>>> Assistant Professor of Medicine
>>> Division of Pulmonary and Critical Care
>>> Washington University School of Medicine
>>> Campus Box 8052, 660 S. Euclid
>>> Saint Louis, MO 63110
>>
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