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Release Candidate

Profile: Material artwork

The Material artwork profile supports digital reproductions of artworks that are moveable material objects, often, but not always, displayed in or maintained by museums. This includes photographic registration of 2D artworks, such as paintings or drawings, in high and very high (gigapixel) resolution and high-polygon scans of 3D artworks, such as statues or sculptures.

This content profile specifies how to package different media files (e.g., TIFF, JPEG, OBJ or MTL), their metadata and the relationships between them in a meemoo SIP package. It also allows extensions to the descriptive metadata using Schema.org.

Permalink: https://data.hetarchief.be/id/sip/1.1/material-artwork

Example Directory structure

2D photoregistration

root_directory
│── manifest-md5.txt
│── bagit.txt
│
└── data
    │── mets.xml
    │── metadata
    |   |── descriptive
    |   |   └── dc+schema.xml
    |   └── preservation
    |       └── premis.xml
    │
    └── representations
        └──representation_1       # overview with frame
           │── mets.xml
           └──data
           │  └── PID_overzichtsopname_metlijst_tiff.tiff
           │
           └──metadata
              |── descriptive     (optional)
              |   └── dc+schema.xml
              └──preservation
                 └── premis.xml
        └──representation_2       # overview without frame
           │── mets.xml
           └──data
           │  └── PID_overzichtsopname_zonderlijst_tiff.tif
           │
           └──metadata
              |── descriptive     (optional)
              |   └── dc+schema.xml    
              └──preservation
                 └── premis.xml
        └──representation_3       # composed stitch 
           │── mets.xml
           └──data
           │  └── PID_stitch_tiff.tif
           │
           └──metadata
              |── descriptive     (optional)    
              |   └── dc+schema.xml    
              └──preservation
                 └── premis.xml
        └──representation_4       # stitch 
           │── mets.xml
           └──data
           |  |── PID_deelopname1_tiff.tif
           |  |── PID_deelopname2_tiff.tif
           │  └── ...
           │
           └──metadata
              |── descriptive     (optional)  
              |   └── dc+schema.xml    
              └──preservation
                 └── premis.xml

3D scan

root_directory
│── manifest-md5.txt
│── bagit.txt
│
└── data
    │── mets.xml
    │── metadata
    |   |── descriptive
    |   |   └── dc+schema.xml
    |   └── preservation
    |       └── premis.xml
    │
    └── representations
        └──representation_1       # high-poly capture for print
           │── mets.xml
           └──data  
           │  └── PID_ARCH_STL.STL              
           │
           └──metadata
              |── descriptive     (optional)
              |   └── dc+schema.xml
              └──preservation
                 └── premis.xml
        └──representation_2       # high-poly capture
           │── mets.xml
           └──data
           |  |── PID_ARCH_OBJ.OBJ       # polygon file    
           |  |── PID_ARCH_TIFF_COLOR.TIFF      # texture image       
           │  └── PID_ARCH_MTL.MTL              # texture mapping file
           │
           └──metadata
              |── descriptive     (optional)
              |   └── dc+schema.xml
              └──preservation
                 └── premis.xml
        └──representation_3       # low-poly capture
           │── mets.xml
           └──data
           |  |── PID_VER_OBJ.OBJ       # polygon file    
           |  |── PID_VER_COLOR_BMP.BMP             # texture image       
           │  └── PID_VER_MTL.MTL                   # texture mapping file
           │
           └──metadata
              |── descriptive     (optional)
              |   └── dc+schema.xml   
              └──preservation
                 └── premis.xml
        └──representation_4       # quality assessment reference
           │── mets.xml
           └──data
           |  |── PID_REF_OBJ.OBJ               # polygon file    
           |  |── PID_REF_BMP.BMP               # texture image      
           |  |── PID_REF_IJK_BMP.BMP           # reference texture image     
           │  └── PID_REF_MTL.MTL               # texture mapping file
           │
           └──metadata
              |── descriptive     (optional)
              |   └── dc+schema.xml    
              └──preservation
                 └── premis.xml

Requirements

General

  • There MUST be exactly one IE at the root. There MAY be other sub-IE’s that are part of the root IE or other sub-IE’s (e.g. to describe panels of a triptych individually).
  • There MUST be at least one representation, but there MAY be multiple: either containing different captures or resolutions of the same IE or representing a different IE.
  • Each representation MUST contain at least one file.
  • Preservation metadata MUST be limited to the PREMIS metadata schema.
  • There MUST be preservation metadata at the package level in the preservation/premis.xml file.
  • There MUST be preservation metadata at the representation level in the preservation/premis.xml file.

Package METS

  • The csip:CONTENTINFORMATIONTYPE attribute MUST be set to https://data.hetarchief.be/id/sip/1.1/material-artwork.
  • The TYPE attribute in the mets.xml file MUST be set to Physical object.
  • The mets/dmdSec/mdRef/@MDTYPE attribute MUST be set to OTHER.

Descriptive Metadata

  • A descriptive metadata file descriptive/dc+schema.xml describing the IE MUST be present at the package level.
  • A descriptive metadata file descriptive/dc+schema.xml describing the representation MAY be present at the representation level (eg. to indicate diverting licenses).
  • Descriptive metadata in descriptive/dc+schema.xml MUST apply the DCTERMS metadata schema and MAY also apply the SCHEMA metadata schema (see below).
  • The DCTERMS metadata MUST follow the basic profile requirements regarding the use of elements and attributes.
  • The SCHEMA metadata in descriptive/dc+schema.xml MUST be limited to the elements and attributes outlined below.
Element schema:creator
Name Creator artwork
Description The creator/author of the digitally reproduced artwork.
Cardinality 0..*
Obligation MAY
Attribute schema:creator/@roleName
Name Role creator
Description The role with which the creator/author was involved in creating the digitally reproduced artwork.
Cardinality 0..1
Obligation SHOULD
Element schema:creator/schema:name
Name Name creator
Description The name of the creator.
Cardinality 1..1
Obligation MUST
Element schema:creator/schema:birthDate
Name Birth date creator
Description The creator’s date of birth.
Datatype EDTF
Cardinality 0..1
Obligation MAY
Element schema:creator/schema:deathDate
Name Death date creator
Description The creator’s date of death.
Datatype EDTF
Cardinality 0..1
Obligation MAY
Element schema:height
Name Height artwork
Description The measured height of the physical artwork.
Cardinality 0..1
Obligation MAY
Element schema:width
Name Width artwork
Description The measure width of the physical artwork.
Cardinality 0..1
Obligation SHOULD
Element schema:depth
Name Depth artwork
Description The measured depth of the physical artwork.
Cardinality 0..1
Obligation SHOULD
Element (schema:height|schema:width|schema:depth)/schema:value
Name Value
Description The height, width or depth measurement value.
Cardinality 1..1
Datatype Integer
Obligation MUST
Element (schema:height|schema:width|schema:depth)/schema:unitCode
Name height
Description The unit of length measurement given using the UN/CEFACT Common Code (3 characters).
Vocabulary MMT, CMT, MTR
Datatype String
Cardinality 0..1
Obligation SHOULD
Element (schema:height|schema:width|schema:depth)/schema:unitText
Name height
Description A string or text indicating the unit of the height or width measurement value. Useful if you cannot provide a standard unit code for schema:unitCode.
Vocabulary mm, cm, m
Datatype String
Cardinality 0..1
Obligation MUST
Element schema:artMedium
Name Art medium
Description The material used to create the physical artwork, e.g. Oil, Watercolour, Acrylic, Linoprint, Marble, Cyanotype, Digital, Lithograph, DryPoint, Intaglio, Pastel, Woodcut, Pencil, Mixed Media, etc.
Datatype String
Cardinality 0..1
Obligation MAY
Element schema:artform
Name Artform
Description The type of artform, e.g. Painting, Drawing, Sculpture, Print, Photograph, Assemblage, Collage, etc.
Datatype String
Cardinality 0..1
Obligation MAY

Validation

The XML files that are required by this profile can be validated using the following XML schema definitions:

File Format XML Schema
mets.xml METS v1.12.1 mets.xsd
premis.xml PREMIS v3.0 premis-v3-0.xsd
dc+schema.xml Dublin Core with Schema.org dc+schema.xsd (not yet available)

Use Cases

Some use cases that implement this profile are: