Page 755 - Chief Architect Reference Manual

Staircase Specification Dialog

The Top Height Reference values control
what point on the staircase the Top Height If you select a staircase by clicking near
value, below, describes. its bottom end, Lock Top will be
selected; if you select it near its top end, Lock
• Select Floor/Landing for the Top Height Bottom will be selected.
value to describe the height of the top
tread plus the stated Riser Height. The specifications for each stair section
3
• Select Top Riser for the Top Height and subsection are listed and can be
value to describe the height of the top edited here. Up to ten items total can display.
riser. A change in one value usually affects other
• Check Ignore Subsection Boundaries to values. You may need to reposition the
maintain tread depth throughout a stair staircase after making changes.
section composed of merged subsections, • The Section Number column identifies
regardless of whether the subsections the Selected Section and the number of
have different tread depths assigned to each section of the selected staircase. If
them. See “Ignore Subsection Boundar- Ignore Subsection Boundaries is
ies” on page 740. unchecked, subsection numbers are also
• Select Lock Bottom to lock the position identified. The radio button to the left
of the selected stair section’s bottom end indicates which section or subsection is
to prevent it from moving. Sections and selected. See “Displaying Stairs, Ramps,
landings below the selected section do and Landings” on page 732.
not move when you click OK, while • Define the Length, or run, of each sec-
those above do move. tion or subsection measured along the
• Select Lock Top to lock the position of Walk Line. The length is equal to the
the selected stair section’s top end to pre- number of treads multiplied by the tread
vent it from moving. Sections and land- depth. See “Walk Line” on page 740.
ings above the selected section do not
move when you click OK, while those When the length of a section changes,
below do move. other sections and landings in the stair-
case unit move in response. You can
Lock Bottom and Lock Top are actions specify whether the bottom or top edge of
rather than settings and are not available in the Selected Section moves when you
the Stair Defaults dialogs. If you make resize it by selecting either the Lock Bot-
changes to a staircase that will affect its tom or Lock Top radio button, above.
length, first lock either the bottom or top end
of the Selected Section to prevent it from • Define the Width of each section. Only
moving. The height of the Selected Section’s one width can be defined for a section, so
locked end is not affected by these settings - all subsections in the same section have
only its position on the X/Y axis. the same width. If a section is connected
to a landing, its width should equal the
length of the landing edge that it connects
to. See “Landings” on page 737.

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