ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / ISIS Component API Reference / ISIS Component Enumerations Reference / enumIGISISOrientations
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    enumIGISISOrientations
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    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.