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This page will be updated frequently until the final EMAN2.1 release. The current release of EMAN2.1 is a ''beta'' release. In software parlance, this means it is a pre-release which should have complete functionality but may still have some bugs. |
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| === Major changes === * The BDB system has been completely retired for EMAN2 programs * (it is still possible to read BDB files, of course) |
=== Major changes in EMAN 2.1 === |
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| * Typically 2-10x faster than EMAN2.07 due to parameter optimization | * Typically 2-5x faster than EMAN2.07 due to parameter optimization * Typically 10-20x faster than Relion |
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| * The much hated BDB system has been completely retired for EMAN2 programs * (it is still possible to read BDB files, of course and is still used in SPARX) |
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| * Ability to use CTFFIND3 if desired | |
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| * Experimental Direct Detector movie-mode support | * (Experimental) Direct Detector movie-mode support |
Current EMAN2.1 Release Information
NOTICE - projects in EMAN2.1 are not backwards compatible with EMAN2.0x due to the retirement of BDB. An upgrade program (e2projectupdate21.py) is provided to duplicate EMAN2.0x projects and make them 2.1 compatible, but it is strongly recommended that you NOT delete your 2.0x projects after conversion until you are sure that it worked completely.
Major changes in EMAN 2.1
- New e2refine_easy.py
- Automatically computes gold-standard resolution as part of refinement (no extra computation)
- Typically 2-5x faster than EMAN2.07 due to parameter optimization
- Typically 10-20x faster than Relion
- Most parameters automatically selected (user can override if needed)
- Generates full refinement report explaining which parameters were used and why
- Automatic filtration of structures during refinement
- The much hated BDB system has been completely retired for EMAN2 programs
- (it is still possible to read BDB files, of course and is still used in SPARX)
- Improved infrastructure for single particle tomography
- Convert EMAN2.1 projects to Relion or Frealign, for comparative refinement
- Import Relion refinements to EMAN2.1, also for comparative refinement
- Ability to use CTFFIND3 if desired
- New 3-D viewer with support for multiple models, slices, isosurfaces, annotation, etc.
- Support for DM4, FEI Falcon, MRCS and other file format improvements
- MPI support for clusters now shared with SPARX with an easy to use installer
- (Experimental) Direct Detector movie-mode support
- Integrated tilt-validation and RCT