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Last modified by flenners on 2026-02-04 17:25
From version 19.1
edited by flenners
on 2026-02-04 17:23
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To version 16.1
edited by greving
on 2024-12-12 18:06
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1 +XWiki.greving
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1 1  == {{id name="03aReconstructionwithRecoGUI-Preperation:"/}}Preperation: ==
2 2  
3 -
4 -Open the following link in a browser and log in with your DESY account (not door account!).
5 -
6 -[[https:~~/~~/max-display.desy.de:3389/auth/ssh>>url:https://max-display.desy.de:3443/auth/ssh]]
7 -
8 -Start a new XFCE session by clicking on the running mouse:, select browser session
9 -
10 -[[image:image2021-4-27_13-55-52.png||height="405" width="911"]]
11 -
12 -
13 -
14 14  Terminal:
15 15  
16 16  
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79 79  
80 80  Hint: you have to perform the phase reconstruction of your projections first! This is usually done by beamline staff. Then you can continue:
81 81  
82 -Go to "Load" tab, load processed data.
71 +Go to "Load" tab. Click on "Load normalized data" at the bottom of the page and select your phase reconstruced projections.
83 83  
84 -Check the subfolder path of the phase retievals. Standard path is holopipe/phase_retrieval
73 +The common path is: ///asap3/petra3/gpfs/p05/YEAR/data/BEAMTIMEID/processed/SCANNAME/reco_~#~#//
85 85  
86 -Click on "Load processed"
75 +Click on one file and click open
87 87  
88 88  You do not need to load any additional dark images.
89 89  
90 -Skip "Normalize, Minus Log, Rotate" in the Preperation Tab. The optional steps, eg. padding are still optional. (see below)
79 +Skip "Normalize, Minus Log, Rotate" in the Preperation Tab. The optional steps are still optional. (see below)
91 91  
92 92  In principle, you can directly proceed to the third tab "Reconstruction". 
93 93  
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113 113  
114 114  **Binning:** You can bin your data before reconstruction. Since the detector has a point spread function of 2-3 pixels, it is save to bin by a factor of 2 without loosing spatial resolution. This reduces computation time and storage space needed.
115 115  
116 -**Padding:** **//RECOMENDED FOR ROI scans//**! If your samples are significantly __larger__ than the field of view, you can pad your data to prevent artifacts at the outer field of view. Example: 100
105 +**Padding:** If your samples are significantly __larger__ than the field of view, you can pad your data to prevent artifacts at the outer field of view. Example: 100
117 117  
118 118  **Filter Projections before reconstruction:** You can filter the data before reconstruction. This reduces the noise, but also can induce blurring in the data. Only recommended for very noisy data. Filtering after reconstruction is usually better.
119 119  
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