System Variables - Openings

In HRB, system variables have been accessible in openings since version 18.01. The following offer particular capabilities:

ORK Recess construction. Distance of the window frame from the front face of the wall.

ONT Depth of the niche measured from the opening side

OB Width of the shell opening as specified in the opening input.

OH Height of the shell opening as specified in the opening input.

OIdnr Identification number of the window / the door

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The other system variables are listed in the HRB editor under the Insert → Formula Editor in the group Opening dimensions listed.