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| | [[Inspect3D_Tutorial:_Metadata|Return to tutorial.]] |
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| | __TOC__
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| ==Collecting and Using Metadata==
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| Metadata in biomechanics typically refers to supplementary data about our subjects or experiments (i.e. subject age, pitching speed, skill level, etc.). Properly formatted metadata can be used to refine Inspect3D queries using the [https://c-motion.com/v3dwiki/index.php?title=Inspect3D_Documentation:_Build_CMZs CMZ Builder]. Metadata can come from a variety of sources, including collection systems or subject demographic info. Inspect3D expects metadata to come in .csv format and has a framework that can accept different types of data.
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| ==Metadata Viewer==
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| If you were to load a .csv file with only one header labelled "hello_world" and populated with a random string, the metadata viewer would show this output:
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| [[File:metadatabuilder1.png|400 px|right]] | |
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| This example is intended to show the bare bones of the metadata viewer. It has three columns, "Header", "Description" and "Subject Specific" and two dropdown menus with options for height and weight units. These will always appear no matter what your metadata file contains.
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| '''Header:''' is the first item in each column of the csv file. All headers appear in the first row of the csv file and are separated by commas. The column header at position N corresponds to all data in column N.
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| '''Description:''' This is a dropdown menu of pre-programmed options. The options are:
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| *Height
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| *Weight
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| *Text
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| *Metric
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| *Identifier_Static
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| *Identifier_Dynamic
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| *Ignore
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| '''Subject_Specific:''' this is a checkbox that is intended to store whether or not the value of the header changes on a subject by subject basis.
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| ==Expected and Optional Inputs==
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| ==Dialog==
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| You can load Metadata and group signals based on this information.
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| A sample of the dialog that will appear is below:
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| [[File:I3D_SampleMetadata.png|350px]]
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| The current implementation expects several columns (ex. Height, Weight, StaticTrialName). Each row contains data for that subject/trial.
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| Combo box options:
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| * Identifier_Static
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| ** This column should describe name of the static C3D file in some way (ex. Sub01_Static_01.c3d) and identifies this row as containing information for this subject
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| * Indentifier_Dynamic
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| ** This column should describe name of the dynamic C3D file in some way (ex. Sub01_Walk_01.c3d) and identifies this row as containing information for this trial
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| * Metric
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| ** Any metric value (ex. pitch speed)
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| * Text
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| ** Any text value (ex. playing level)
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| * Height
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| * Weight
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| * Specify units for height/weight!
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| Subject Specific checkbox:
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| * Subject specific values are the same for all trials (ex. height, weight, playing level)
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| * Trial specific values differ for each trial (ex. pitch speed)
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| [[Category:Inspect3D]]
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| [[Category:Documentation]]
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