ImageGear for C and C++ on Windows v19.1 - Updated
enumIGISISOrientations
API Reference Guide > ISIS Component API Reference > ISIS Component Enumerations Reference > enumIGISISOrientations

These are all the possible values for the IG_ISIS_TAG_ORIENTATION, IG_ISIS_TAG_SCANORIENTATION and IG_ISIS_TAG_DATAORIENTATION tags.

Values:

IG_ISIS_ORIENTATION_PORT Portrait (0°).
IG_ISIS_ORIENTATION_LAND Landscape (90° ccw).
IG_ISIS_ORIENTATION_180 Upside down portrait (180° ccw).
IG_ISIS_ORIENTATION_270 Upside down landscape (270° ccw).
IG_ISIS_ORIENTATION_PORTM Portrait mirrored.
IG_ISIS_ORIENTATION_LANDM Landscape mirrored.
IG_ISIS_ORIENTATION_180M Upside down portrait mirrored.
IG_ISIS_ORIENTATION_270M Upside down landscape mirrored.