xowf::test_item::grading::Grading method calc_grade (protected)

 <instance of xowf::test_item::grading::Grading> calc_grade \
    [ -percentage percentage ] [ -points points ] \
    [ -achievable_points achievable_points ]

Defined in packages/xowf/tcl/grading-procs.tcl

Return a numeric grade for an exam submission based on percentage and the property "percentage_mapping". On invalid data, return 0. When "-percentage" is provided, use this for calculation Otherwise calculate percentage based on "-points" (which might be custom rounded) and "-achievable_points".

Switches:

-percentage (optional)

-points (optional)

-achievable_points (optional)

Testcases:

No testcase defined.