Reduce a leveling run and distribute the closing error across stations by distance or number of setups.
水准路线高差与高程计算,支持闭合差与容许闭合差检核
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Height difference | h = backsight a − foresight b; h>0 means the forward point is higher | Basic leveling formula |
| Closure tolerance | Fourth-order closure: ±20√L mm by distance or ±6√n mm by setups | GB 50026-2020 Table 5.2.4 |
| Closure adjustment | Distribute closure with opposite sign in proportion to setups or distance | Standard leveling adjustment |
| Collimation check | Correct when collimation error exceeds 15″; keep foresight/backsight equal | GB 50026-2020 instrument checks |
水准测量计算是一款科学研究领域的在线工具。科学研究工具,采用标准科学公式,计算精准。