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| [wiki:Self:FsTutorial top] | [wiki:Self:FsTutorial previous] | [wiki:Self:FsTutorial/Overview next] | [[FsTutorial|top]] |
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| A public distribution data set is available to run the tutorials. It contains 40 subjects, and occupies about 20G of disk-space after downloaded and uncompressed. The data set is divided into two files: the data for the troubleshooting examples (6GB), and the data for the group study analysis (14GB). | The data for the [[FsTutorial| tutorials]] consists of several data sets: * buckner_data-tutorial_subjs.tar.gz: the main 'recon-all' stream subject data processing (size: ~16GB uncompressed)([[ftp://surfer.nmr.mgh.harvard.edu/pub/data/buckner_data-tutorial_subjs.md5sum.txt|here is the md5sum]]) * long-tutorial.tar.gz: the longitudinal tutorial (size: ~16GB uncompressed) * fsfast-tutorial.subjects.tar.gz & fsfast-functional.tar.gz: the FS-FAST tutorial data set (size: ~5.6GB uncompressed & ~9.1GB uncompressed, respectively) * diffusion_recons.tar.gz & diffusion_tutorial.tar.gz - the diffusion and Tracula tutorial data sets * fbert-feat.tgz & bert.recon.tgz - tutorial on the integration of FreeSurfer and FSL/FEAT |
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| The files can be obtained via anonymous ftp. Use '''ftp surfer.nmr.mgh.harvard.edu'''. Login as '''anonymous''' and use your email addresses as the password. | If you only want to get started with the basics of !FreeSurfer, you need only download the bucker_data set. This will allow you to do the following tutorials: *[[FsTutorial/OutputData_freeview|Intro to FreeSurfer Output]] *[[FsTutorial/TroubleshootingData|Troubleshooting FreeSurfer Output]] *[[FsTutorial/GroupAnalysis|Group Analysis via command-line]] *[[FsTutorial/QdecGroupAnalysis_freeview|Group Analysis via GUI]] *[[FsTutorial/AnatomicalROI|ROI Analysis]] *[[FsTutorial/MultiModal_freeview|Multimodal Analysis]] |
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| Example login: | === Download using wget === The wget application is recommended, as some web browsers have difficulty downloading files greater than 4GB in size. '''Mac OS NOTE:''' use '''curl -O''' in place of '''wget'''. Open a terminal, change to a directory where you know you have at least 100GB of space. To download, type: {{{ wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/buckner_data-tutorial_subjs.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/long-tutorial.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-functional.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-tutorial.subjects.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fbert-feat.tgz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/bert.recon.tgz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_recons.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_tutorial.tar.gz & }}} The wget application will handle poor connections, and retry if it is having problems. A failed download can be restarted by adding the -c flag to wget, which will cause it to continue from the point where a partial download stopped. Notice the commands have the ampersand, so you can run all these commands at once (although the wget output will be hard to decipher, so an alternative is to run each without the ampersand in a separate terminal). Goto the Installation section below once the files are downloaded (this will likely take several hours). If you want to verify the md5sum, the md5sum for each of these files is found in files named *.md5sum.txt [[http://surfer.nmr.mgh.harvard.edu/pub/data/|in this directory]] or get them this way: |
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| $ ftp surfer.nmr.mgh.harvard.edu Connected to surfer.nmr.mgh.harvard.edu (132.183.202.158). 220 surfer.nmr.mgh.harvard.edu FTP server (Version wu-2.6.2-15.7x.legacy) ready. Name (surfer.nmr.mgh.harvard.edu:fsurfer): anonymous 331 Guest login ok, send your complete e-mail address as password. Password: 230 Guest login ok, access restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. ftp> |
wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/buckner_data-tutorial_subjs.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/long-tutorial.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-functional.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-tutorial.subjects.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fbert-feat.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/bert.recon.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_recons.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_tutorial.md5sum.txt & |
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| The tutorial datasets are found in the pub/dist directory: | You will want to ensure that these md5sum's match what you find when you run md5sum on your own local downloads. '''Mac OS NOTE:''' use '''md5 -r''' to get the same results as '''md5sum'''. === Installation === Once the files are downloaded, move the file(s) to the $FREESURFER_HOME/subjects directory, and uncompress and install with the following commands: |
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| ftp> cd pub/dist | tar xzvf <filename>.tar.gz |
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| The troubleshooting tutorials, in the section [wiki:Self:FsTutorial/MorphAndRecon Morphometry and Reconstruction], require the '''buckner_data-tutorial_subjs.tar.gz''' download, which is 4.5GB compressed: | Replacing of course <filename> with the name of each file downloaded. The downloaded .tar.gz files can then be deleted. To setup the environment variable SUBJECTS_DIR to point to the tutorial data, type the following command or include in your .cshrc or .tcshrc file: |
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| ftp> get buckner_data-tutorial_subjs.tar.gz | setenv TUTORIAL_DATA $FREESURFER_HOME/subjects setenv SUBJECTS_DIR $TUTORIAL_DATA/buckner_data/tutorial_subjs/ |
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| The group study [wiki:Self:FsTutorial/GroupAnalysis analysis] and [wiki:Self:FsTutorial/Visualization visualization] tutorials require the '''buckner_data-group_study.tar.gz''' download, which is about 6.5GB compressed: | '''Note:''' If you are within the NMR Center, because the default $FREESURFER_HOME is shared, you will not be able to copy your data to $FREESURFER_HOME/subjects. Instead, copy the subject data to a location where you have space, and set the TUTORIAL_DATA and SUBJECTS_DIR environment variables to point to that. You may have to make adjustments throughout the tutorial wherever it refers to $FREESURFER_HOME/subjects (which is equivalent to your $SUBJECTS_DIR). The tutorial will also instruct you to set the SUBJECTS_DIR when appropriate. The tutorial references the TUTORIAL_DATA var, which is the root directory containing the tutorial data (ie. the directories 'buckner_data', 'long-tutorial', 'fsfast-functional', etc.). === FSL-FEAT Tutorial Data === |
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| ftp> get buckner_data-group_study.tar.gz | cd $SUBJECTS_DIR tar xvfz bert.recon.tgz cd /place/for/functional/data tar xvfz fbert-feat.tgz |
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Now exit the ftp application: {{{ ftp> quit }}} Once a file is downloaded, move the file(s) to the $FREESURFER_HOME/subjects directory, and uncompress and install with the following command: {{{ tar xzvf buckner_data-<dataset>.tar.gz }}} where <dataset> is either '''tutorial_subjs''' or '''group_study'''. The downloaded file can then be deleted. To setup the environment variable SUBJECTS_DIR to point to the troubleshooting tutorial data (for use in the tutorial section [wiki:Self:FsTutorial/MorphAndRecon Morphometry and Reconstruction]), type the following command or include in your .cshrc or .tcshrc file: {{{ source $FREESURFER_HOME/subjects/buckner_data/tutorial_subjs/scripts/setup_subjects.csh }}} To setup the environment variables SUBJECTS_DIR and SUBJECTS to point to the group study tutorial data (for use in the tutorial sections group study [wiki:Self:FsTutorial/GroupAnalysis analysis] and [wiki:Self:FsTutorial/Visualization visualization]), type the following command or include in your .cshrc or .tcshrc file: {{{ source $FREESURFER_HOME/subjects/buckner_data/group_study/scripts/setup_subjects.csh }}} You can only source one '''setup_subjects.csh''' file at a time. The tutorial will also instruct you to set the SUBJECTS_DIR when appropriate. |
FreeSurfer Tutorial: Sample Data
The data for the tutorials consists of several data sets:
buckner_data-tutorial_subjs.tar.gz: the main 'recon-all' stream subject data processing (size: ~16GB uncompressed)(here is the md5sum)
- long-tutorial.tar.gz: the longitudinal tutorial (size: ~16GB uncompressed)
fsfast-tutorial.subjects.tar.gz & fsfast-functional.tar.gz: the FS-FAST tutorial data set (size: ~5.6GB uncompressed & ~9.1GB uncompressed, respectively)
diffusion_recons.tar.gz & diffusion_tutorial.tar.gz - the diffusion and Tracula tutorial data sets
fbert-feat.tgz & bert.recon.tgz - tutorial on the integration of FreeSurfer and FSL/FEAT
If you only want to get started with the basics of FreeSurfer, you need only download the bucker_data set. This will allow you to do the following tutorials:
Download using wget
The wget application is recommended, as some web browsers have difficulty downloading files greater than 4GB in size. Mac OS NOTE: use curl -O in place of wget.
Open a terminal, change to a directory where you know you have at least 100GB of space. To download, type:
wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/buckner_data-tutorial_subjs.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/long-tutorial.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-functional.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-tutorial.subjects.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fbert-feat.tgz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/bert.recon.tgz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_recons.tar.gz & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_tutorial.tar.gz &
The wget application will handle poor connections, and retry if it is having problems. A failed download can be restarted by adding the -c flag to wget, which will cause it to continue from the point where a partial download stopped. Notice the commands have the ampersand, so you can run all these commands at once (although the wget output will be hard to decipher, so an alternative is to run each without the ampersand in a separate terminal). Goto the Installation section below once the files are downloaded (this will likely take several hours). If you want to verify the md5sum, the md5sum for each of these files is found in files named *.md5sum.txt in this directory or get them this way:
wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/buckner_data-tutorial_subjs.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/long-tutorial.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-functional.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fsfast-tutorial.subjects.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/fbert-feat.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/bert.recon.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_recons.md5sum.txt & wget ftp://surfer.nmr.mgh.harvard.edu/pub/data/diffusion_tutorial.md5sum.txt &
You will want to ensure that these md5sum's match what you find when you run md5sum on your own local downloads. Mac OS NOTE: use md5 -r to get the same results as md5sum.
Installation
Once the files are downloaded, move the file(s) to the $FREESURFER_HOME/subjects directory, and uncompress and install with the following commands:
tar xzvf <filename>.tar.gz
Replacing of course <filename> with the name of each file downloaded. The downloaded .tar.gz files can then be deleted.
To setup the environment variable SUBJECTS_DIR to point to the tutorial data, type the following command or include in your .cshrc or .tcshrc file:
setenv TUTORIAL_DATA $FREESURFER_HOME/subjects setenv SUBJECTS_DIR $TUTORIAL_DATA/buckner_data/tutorial_subjs/
Note: If you are within the NMR Center, because the default $FREESURFER_HOME is shared, you will not be able to copy your data to $FREESURFER_HOME/subjects. Instead, copy the subject data to a location where you have space, and set the TUTORIAL_DATA and SUBJECTS_DIR environment variables to point to that. You may have to make adjustments throughout the tutorial wherever it refers to $FREESURFER_HOME/subjects (which is equivalent to your $SUBJECTS_DIR).
The tutorial will also instruct you to set the SUBJECTS_DIR when appropriate. The tutorial references the TUTORIAL_DATA var, which is the root directory containing the tutorial data (ie. the directories 'buckner_data', 'long-tutorial', 'fsfast-functional', etc.).
FSL-FEAT Tutorial Data
cd $SUBJECTS_DIR tar xvfz bert.recon.tgz cd /place/for/functional/data tar xvfz fbert-feat.tgz