Level Calc - Levelling Survey
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About this app
"Level Calc" is a simple yet powerful surveying tool designed for field work. It handles daily leveling calculations with ease, acting as a digital field book. Whether you are performing spot height checks or continuous route surveying, this app streamlines your workflow and ensures accuracy.
Key Features:
1. Three Specialized Calculation Modes
GH Calc (Ground Height): Quickly calculate the Instrument Height (IH) and Ground Height (GH) by entering the Benchmark (BM), Backsight (BS), and Foresight (FS).
FH Calc (Formation/Planned Height): Ideal for stakeout works. Enter the Design Height (FH) to instantly calculate the difference (Gap) between the planned elevation and the actual ground height.
Route Calc (Route Surveying): Supports continuous leveling with Turning Points (TP) and Intermediate Sights (IS). It automatically calculates the error of closure based on the route length and the known endpoint elevation.
2. Accuracy & Error Checking
In Route Mode, the app verifies if your survey falls within the allowable error margin.
Select accuracy coefficients (K values: 2.5, 5.0, 10.0, 15.0, 20.0) corresponding to different survey grades (e.g., First to Fourth Order).
Visual indicators (OK/NG) show instantly if the closure error is within tolerance.
3. Data Management & CSV Export
Save & Load: All calculation data can be saved to the local database and reloaded anytime.
CSV Export: Export your survey data to CSV files compatible with Excel or other spreadsheet software.
Field Note Format: The Route calculation export generates a file formatted like a traditional field book (No., BS, IH, FS, GH, Remarks).
Share: Easily share data files via email or cloud storage apps directly from the site.
4. User-Friendly Interface
Edit or delete individual survey points easily.
Add notes/remarks to each point (e.g., station names).
Clear history support.
Who is this for?
Civil Engineers
Construction Site Managers
Land Surveyors
Architecture/Civil Engineering Students
Replace your calculator and paper field book with Level Calc for faster, error-free surveying.
Key Features:
1. Three Specialized Calculation Modes
GH Calc (Ground Height): Quickly calculate the Instrument Height (IH) and Ground Height (GH) by entering the Benchmark (BM), Backsight (BS), and Foresight (FS).
FH Calc (Formation/Planned Height): Ideal for stakeout works. Enter the Design Height (FH) to instantly calculate the difference (Gap) between the planned elevation and the actual ground height.
Route Calc (Route Surveying): Supports continuous leveling with Turning Points (TP) and Intermediate Sights (IS). It automatically calculates the error of closure based on the route length and the known endpoint elevation.
2. Accuracy & Error Checking
In Route Mode, the app verifies if your survey falls within the allowable error margin.
Select accuracy coefficients (K values: 2.5, 5.0, 10.0, 15.0, 20.0) corresponding to different survey grades (e.g., First to Fourth Order).
Visual indicators (OK/NG) show instantly if the closure error is within tolerance.
3. Data Management & CSV Export
Save & Load: All calculation data can be saved to the local database and reloaded anytime.
CSV Export: Export your survey data to CSV files compatible with Excel or other spreadsheet software.
Field Note Format: The Route calculation export generates a file formatted like a traditional field book (No., BS, IH, FS, GH, Remarks).
Share: Easily share data files via email or cloud storage apps directly from the site.
4. User-Friendly Interface
Edit or delete individual survey points easily.
Add notes/remarks to each point (e.g., station names).
Clear history support.
Who is this for?
Civil Engineers
Construction Site Managers
Land Surveyors
Architecture/Civil Engineering Students
Replace your calculator and paper field book with Level Calc for faster, error-free surveying.
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What’s new
The first version has been released.
App support
About the developer
伊藤 良和
jps@qzss4survey.com
富士見町１丁目２−５４
東村山市, 東京都 189-0024
Japan
