Ventana format

Format

single-file pyramidal tiled BigTIFF with non-standard metadata and overlaps

File extensions

.bif, .tif

OpenSlide vendor backend

ventana

Detection

Ventana slides are stored in single-file BigTIFF format. OpenSlide will detect a file as Ventana if:

1. The file is TIFF.
2. The XMP tag contains valid XML.
3. The XML contains an iScan element, either as the root element or as a child of a Metadata root element.

ICC Profiles

The slide ICC profile is taken from the ICC Profile tag of the highest-resolution level.

Associated Images

macro

the TIFF directory whose ImageDescription is Label Image or Label_Image

thumbnail

the TIFF directory whose ImageDescription is Thumbnail

Known Properties

All XML attributes in the iScan element are represented as properties prefixed with “ventana.”.

openslide.mpp-x

normalized ventana.ScanRes

openslide.mpp-y

normalized ventana.ScanRes

openslide.objective-power

normalized ventana.Magnification

Test Data

https://openslide.cs.cmu.edu/download/openslide-testdata/Ventana/