mewall
commented
1 year ago @nksauter see cctbx_project PR#866
From: nksauter @.***> Sent: Wednesday, June 7, 2023 9:43:29 AM To: dermen/sim_erice Cc: Wall, Michael E; Assign Subject: [EXTERNAL] [dermen/sim_erice] Update the direction of diffuse streaking (Issue #57)
Per @mewallhttps://urldefense.com/v3/__https://github.com/mewall__;!!Bt8fGhp8LhKGRg!ABJ-tljx4eVrrLy3e2YVyRRZjQFyO-RJZ0RgefgZLFnSmw0Qc9ek9pyYB4feKKkG_SLPMeJNTGW5vOP68buhiDeo$ update cctbx_project so the diffuse anisotropy matches that given in the Wall paper. Manuscript states: In this case, streaked diffuse features were produced by multiplying γ by an anisotropy factor along the a–b and c unit cell directions in direct space (leaving a+b alone), and multiplying σ^2 by the same anisotropy factor along the a–b direction (leaving a+b and c alone). The Laue symmetry was then applied, leading to streaks along both the a–b and a+b directions in reciprocal space.
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Per @mewall update cctbx_project so the diffuse anisotropy matches that given in the Wall paper. Manuscript states: In this case, streaked diffuse features were produced by multiplying γ by an anisotropy factor along the a–b and c unit cell directions in direct space (leaving a+b alone), and multiplying σ^2 by the same anisotropy factor along the a–b direction (leaving a+b and c alone). The Laue symmetry was then applied, leading to streaks along both the a–b and a+b directions in reciprocal space.