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XDS.INP: Difference between revisions
→Keywords which affect whether indexing will succeed
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;[http://www.mpimf-heidelberg.mpg.de/~kabsch/xds/html_doc/xds_parameters.html#MINIMUM_NUMBER_OF_PIXEL_IN_A_SPOT= MINIMUM_NUMBER_OF_PIXEL_IN_A_SPOT] | ;[http://www.mpimf-heidelberg.mpg.de/~kabsch/xds/html_doc/xds_parameters.html#MINIMUM_NUMBER_OF_PIXEL_IN_A_SPOT= MINIMUM_NUMBER_OF_PIXEL_IN_A_SPOT] | ||
:the default is 6, but 3 is usually more appropriate for synchrotron data (small reflections). | :the default is 6, but 3 is usually more appropriate for synchrotron data (small reflections). | ||
;[http://www.mpimf-heidelberg.mpg.de/~kabsch/xds/html_doc/xds_parameters.html#SEPMIN= SEPMIN] | |||
:minimumum pixel distance between spots. This setting results in an upper limit to the longest primitive cell axis that IDXREF would find, so SEPMIN should be less than X-RAY_WAVELENGTH*DETECTOR_DISTANCE/(longest_primitive_cell_axis*QX). The default is 6; for Pilatus data one might need to lower this to 4 or even 3, for long axes. | |||
;[http://www.mpimf-heidelberg.mpg.de/~kabsch/xds/html_doc/xds_parameters.html#CLUSTER_RADIUS= CLUSTER_RADIUS] | |||
:should be half of SEPMIN (or less). This should be an integral value, so for Pilatus one should use 2 or even 1. | |||
See also the article [[Ice_rings]]. | See also the article [[Ice_rings]]. | ||