horizontal control

horizontal control

[‚här·ə′zänt·əl kən′trōl]
(mapping)
A system of points whose horizontal positions and interrelationships have been accurately determined for use as fixed references in positioning and correlating map features.

horizontal control

In surveying, a basic framework of points whose horizontal position and interrelationship have been determined accurately.
References in periodicals archive ?
Laurie MacLean and John Manning then bring us closer to home in time and space with recollections of the 1970s Aerodist surveys to obtain horizontal control for National Mapping's topographic mapping programme in the remoter parts of Australia.
If GPS is used to establish vertical and horizontal control, the Surveyor shall provide a check on accuracy by checking established control locations.
Regarding continuous-transmission network and demarcation of sites by satellite positioning, al-Sada explained that CGIS supervises "Qatar's geodetic network which consists of approximately 6,000 horizontal control survey monuments and 4,500 vertical control survey stations distributed throughout the country".
N/mm) 2173 [+ or -] 360 N (Total) 5 Table 2 Mode of Failure Group Failure Mode Vertical Horizontal Control Femoral Neck 9 5 5 Subtrochanteric 0 6 0
Tilt Wheel delivers revolutionary four-way scrolling capabilities from the mouse for smooth vertical and horizontal control and ease when navigating long Web pages or spreadsheets.
It is more likely these campaigners will find their smart new gadgets shoved somewhere well beyond their horizontal control
A 25th specimen turned up some while ago, TAILERONS, the plural of TAILERON, a horizontal control surface on an aircraft which can function as both elevator and aileron.
The company installed two of its pick cars--high-reach manrider order-pick trucks running on tracks in the aisles--with vertical and horizontal control provided from the cab by the operator.
Two of these have distinct horizontal control (stratabound) and have been traced over 500 and 200 metres, respectively.
The astro-fix method for primary horizontal control and barometric heighting for vertical control used for the R502 map series would be insufficient for the forthcoming 1:100,000 scale national topographic map series that was to have relief depicted by contours at 20m vertical intervals.
At a minimum, the construction plans shall include the following: Survey base line Location and identification of the eastern road right-of-way Topographic information every 100 feet from the road centerline to ten feet beyond the eastern right-of-way Horizontal control (stationing and offsets) for areas that do not comply with the typical section Location and identification of utilities within the eastern right of way area Typical cross section(s) showing offsets Resolution of utility conflicts Drainage basin maps are not required.
While changes in horizontal control of the drill holes were minor, elevation control of the drill holes and the surrounding landscape changed significantly by as much as 40 metres, which in many areas of the fields significantly increased the base-limit depth employed for the in-place resource estimates.